static cl::opt<cl::boolOrDefault>
EnableShrinkWrapOpt("enable-shrink-wrap", cl::Hidden,
cl::desc("enable the shrink-wrapping pass"));
-static cl::opt<bool> EnablePostShrinkWrapOpt(
- "enable-shrink-wrap-region-split", cl::init(true), cl::Hidden,
- cl::desc("enable splitting of the restore block if possible"));
namespace {
/// this call.
void updateSaveRestorePoints(MachineBasicBlock &MBB, RegScavenger *RS);
- // Try to find safe point based on dominance and block frequency without
- // any change in IR.
- bool performShrinkWrapping(MachineFunction &MF, RegScavenger *RS);
-
- /// This function tries to split the restore point if doing so can shrink the
- /// save point further. \return True if restore point is split.
- bool postShrinkWrapping(bool HasCandidate, MachineFunction &MF,
- RegScavenger *RS);
-
- /// This function analyzes if the restore point can split to create a new
- /// restore point. This function collects
- /// 1. Any preds of current restore that are reachable by callee save/FI
- /// blocks
- /// - indicated by DirtyPreds
- /// 2. Any preds of current restore that are not DirtyPreds - indicated by
- /// CleanPreds
- /// Both sets should be non-empty for considering restore point split.
- bool checkIfRestoreSplittable(
- const MachineBasicBlock *CurRestore,
- const DenseSet<const MachineBasicBlock *> &ReachableByDirty,
- SmallVectorImpl<MachineBasicBlock *> &DirtyPreds,
- SmallVectorImpl<MachineBasicBlock *> &CleanPreds,
- const TargetInstrInfo *TII, RegScavenger *RS);
-
/// Initialize the pass for \p MF.
void init(MachineFunction &MF) {
RCI.runOnMachineFunction(MF);
/// Helper function to find the immediate (post) dominator.
template <typename ListOfBBs, typename DominanceAnalysis>
static MachineBasicBlock *FindIDom(MachineBasicBlock &Block, ListOfBBs BBs,
- DominanceAnalysis &Dom, bool Strict = true) {
+ DominanceAnalysis &Dom) {
MachineBasicBlock *IDom = &Block;
for (MachineBasicBlock *BB : BBs) {
IDom = Dom.findNearestCommonDominator(IDom, BB);
if (!IDom)
break;
}
- if (Strict && IDom == &Block)
+ if (IDom == &Block)
return nullptr;
return IDom;
}
-static bool isAnalyzableBB(const TargetInstrInfo &TII,
- MachineBasicBlock &Entry) {
- // Check if the block is analyzable.
- MachineBasicBlock *TBB = nullptr, *FBB = nullptr;
- SmallVector<MachineOperand, 4> Cond;
- return !TII.analyzeBranch(Entry, TBB, FBB, Cond);
-}
-
-/// Determines if any predecessor of MBB is on the path from block that has use
-/// or def of CSRs/FI to MBB.
-/// ReachableByDirty: All blocks reachable from block that has use or def of
-/// CSR/FI.
-static bool
-hasDirtyPred(const DenseSet<const MachineBasicBlock *> &ReachableByDirty,
- const MachineBasicBlock &MBB) {
- for (const MachineBasicBlock *PredBB : MBB.predecessors())
- if (ReachableByDirty.count(PredBB))
- return true;
- return false;
-}
-
-/// Derives the list of all the basic blocks reachable from MBB.
-static void markAllReachable(DenseSet<const MachineBasicBlock *> &Visited,
- const MachineBasicBlock &MBB) {
- SmallVector<MachineBasicBlock *, 4> Worklist(MBB.succ_begin(),
- MBB.succ_end());
- Visited.insert(&MBB);
- while (!Worklist.empty()) {
- MachineBasicBlock *SuccMBB = Worklist.pop_back_val();
- if (!Visited.insert(SuccMBB).second)
- continue;
- Worklist.append(SuccMBB->succ_begin(), SuccMBB->succ_end());
- }
-}
-
-/// Collect blocks reachable by use or def of CSRs/FI.
-static void collectBlocksReachableByDirty(
- const DenseSet<const MachineBasicBlock *> &DirtyBBs,
- DenseSet<const MachineBasicBlock *> &ReachableByDirty) {
- for (const MachineBasicBlock *MBB : DirtyBBs) {
- if (ReachableByDirty.count(MBB))
- continue;
- // Mark all offsprings as reachable.
- markAllReachable(ReachableByDirty, *MBB);
- }
-}
-
-/// \return true if there is a clean path from SavePoint to the original
-/// Restore.
-static bool
-isSaveReachableThroughClean(const MachineBasicBlock *SavePoint,
- ArrayRef<MachineBasicBlock *> CleanPreds) {
- DenseSet<const MachineBasicBlock *> Visited;
- SmallVector<MachineBasicBlock *, 4> Worklist(CleanPreds.begin(),
- CleanPreds.end());
- while (!Worklist.empty()) {
- MachineBasicBlock *CleanBB = Worklist.pop_back_val();
- if (CleanBB == SavePoint)
- return true;
- if (!Visited.insert(CleanBB).second || !CleanBB->pred_size())
- continue;
- Worklist.append(CleanBB->pred_begin(), CleanBB->pred_end());
- }
- return false;
-}
-
-/// This function updates the branches post restore point split.
-///
-/// Restore point has been split.
-/// Old restore point: MBB
-/// New restore point: NMBB
-/// Any basic block(say BBToUpdate) which had a fallthrough to MBB
-/// previously should
-/// 1. Fallthrough to NMBB iff NMBB is inserted immediately above MBB in the
-/// block layout OR
-/// 2. Branch unconditionally to NMBB iff NMBB is inserted at any other place.
-static void updateTerminator(MachineBasicBlock *BBToUpdate,
- MachineBasicBlock *NMBB,
- const TargetInstrInfo *TII) {
- DebugLoc DL = BBToUpdate->findBranchDebugLoc();
- // if NMBB isn't the new layout successor for BBToUpdate, insert unconditional
- // branch to it
- if (!BBToUpdate->isLayoutSuccessor(NMBB))
- TII->insertUnconditionalBranch(*BBToUpdate, NMBB, DL);
-}
-
-/// This function splits the restore point and returns new restore point/BB.
-///
-/// DirtyPreds: Predessors of \p MBB that are ReachableByDirty
-///
-/// Decision has been made to split the restore point.
-/// old restore point: \p MBB
-/// new restore point: \p NMBB
-/// This function makes the necessary block layout changes so that
-/// 1. \p NMBB points to \p MBB unconditionally
-/// 2. All dirtyPreds that previously pointed to \p MBB point to \p NMBB
-static MachineBasicBlock *
-tryToSplitRestore(MachineBasicBlock *MBB,
- ArrayRef<MachineBasicBlock *> DirtyPreds,
- const TargetInstrInfo *TII) {
- MachineFunction *MF = MBB->getParent();
-
- // get the list of DirtyPreds who have a fallthrough to MBB
- // before the block layout change. This is just to ensure that if the NMBB is
- // inserted after MBB, then we create unconditional branch from
- // DirtyPred/CleanPred to NMBB
- SmallPtrSet<MachineBasicBlock *, 8> MBBFallthrough;
- for (MachineBasicBlock *BB : DirtyPreds)
- if (BB->getFallThrough(false) == MBB)
- MBBFallthrough.insert(BB);
-
- MachineBasicBlock *NMBB = MF->CreateMachineBasicBlock();
- // Insert this block at the end of the function. Inserting in between may
- // interfere with control flow optimizer decisions.
- MF->insert(MF->end(), NMBB);
-
- for (const MachineBasicBlock::RegisterMaskPair &LI : MBB->liveins())
- NMBB->addLiveIn(LI.PhysReg);
-
- TII->insertUnconditionalBranch(*NMBB, MBB, DebugLoc());
-
- // After splitting, all predecessors of the restore point should be dirty
- // blocks.
- for (MachineBasicBlock *SuccBB : DirtyPreds)
- SuccBB->ReplaceUsesOfBlockWith(MBB, NMBB);
-
- NMBB->addSuccessor(MBB);
-
- for (MachineBasicBlock *BBToUpdate : MBBFallthrough)
- updateTerminator(BBToUpdate, NMBB, TII);
-
- return NMBB;
-}
-
-/// This function undoes the restore point split done earlier.
-///
-/// DirtyPreds: All predecessors of \p NMBB that are ReachableByDirty.
-///
-/// Restore point was split and the change needs to be unrolled. Make necessary
-/// changes to reset restore point from \p NMBB to \p MBB.
-static void rollbackRestoreSplit(MachineFunction &MF, MachineBasicBlock *NMBB,
- MachineBasicBlock *MBB,
- ArrayRef<MachineBasicBlock *> DirtyPreds,
- const TargetInstrInfo *TII) {
- // For a BB, if NMBB is fallthrough in the current layout, then in the new
- // layout a. BB should fallthrough to MBB OR b. BB should undconditionally
- // branch to MBB
- SmallPtrSet<MachineBasicBlock *, 8> NMBBFallthrough;
- for (MachineBasicBlock *BB : DirtyPreds)
- if (BB->getFallThrough(false) == NMBB)
- NMBBFallthrough.insert(BB);
-
- NMBB->removeSuccessor(MBB);
- for (MachineBasicBlock *SuccBB : DirtyPreds)
- SuccBB->ReplaceUsesOfBlockWith(NMBB, MBB);
-
- NMBB->erase(NMBB->begin(), NMBB->end());
- NMBB->eraseFromParent();
-
- for (MachineBasicBlock *BBToUpdate : NMBBFallthrough)
- updateTerminator(BBToUpdate, MBB, TII);
-}
-
-// A block is deemed fit for restore point split iff there exist
-// 1. DirtyPreds - preds of CurRestore reachable from use or def of CSR/FI
-// 2. CleanPreds - preds of CurRestore that arent DirtyPreds
-bool ShrinkWrap::checkIfRestoreSplittable(
- const MachineBasicBlock *CurRestore,
- const DenseSet<const MachineBasicBlock *> &ReachableByDirty,
- SmallVectorImpl<MachineBasicBlock *> &DirtyPreds,
- SmallVectorImpl<MachineBasicBlock *> &CleanPreds,
- const TargetInstrInfo *TII, RegScavenger *RS) {
- for (const MachineInstr &MI : *CurRestore)
- if (useOrDefCSROrFI(MI, RS))
- return false;
-
- for (MachineBasicBlock *PredBB : CurRestore->predecessors()) {
- if (!isAnalyzableBB(*TII, *PredBB))
- return false;
-
- if (ReachableByDirty.count(PredBB))
- DirtyPreds.push_back(PredBB);
- else
- CleanPreds.push_back(PredBB);
- }
-
- return !(CleanPreds.empty() || DirtyPreds.empty());
-}
-
-bool ShrinkWrap::postShrinkWrapping(bool HasCandidate, MachineFunction &MF,
- RegScavenger *RS) {
- if (!EnablePostShrinkWrapOpt)
- return false;
-
- MachineBasicBlock *InitSave = nullptr;
- MachineBasicBlock *InitRestore = nullptr;
-
- if (HasCandidate) {
- InitSave = Save;
- InitRestore = Restore;
- } else {
- InitRestore = nullptr;
- InitSave = &MF.front();
- for (MachineBasicBlock &MBB : MF) {
- if (MBB.isEHFuncletEntry())
- return false;
- if (MBB.isReturnBlock()) {
- // Do not support multiple restore points.
- if (InitRestore)
- return false;
- InitRestore = &MBB;
- }
- }
- }
-
- if (!InitSave || !InitRestore || InitRestore == InitSave ||
- !MDT->dominates(InitSave, InitRestore) ||
- !MPDT->dominates(InitRestore, InitSave))
- return false;
-
- // Bail out of the optimization if any of the basic block is target of
- // INLINEASM_BR instruction
- for (MachineBasicBlock &MBB : MF)
- if (MBB.isInlineAsmBrIndirectTarget())
- return false;
-
- DenseSet<const MachineBasicBlock *> DirtyBBs;
- for (MachineBasicBlock &MBB : MF) {
- if (MBB.isEHPad()) {
- DirtyBBs.insert(&MBB);
- continue;
- }
- for (const MachineInstr &MI : MBB)
- if (useOrDefCSROrFI(MI, RS)) {
- DirtyBBs.insert(&MBB);
- break;
- }
- }
-
- // Find blocks reachable from the use or def of CSRs/FI.
- DenseSet<const MachineBasicBlock *> ReachableByDirty;
- collectBlocksReachableByDirty(DirtyBBs, ReachableByDirty);
-
- const TargetInstrInfo *TII = MF.getSubtarget().getInstrInfo();
- SmallVector<MachineBasicBlock *, 2> DirtyPreds;
- SmallVector<MachineBasicBlock *, 2> CleanPreds;
- if (!checkIfRestoreSplittable(InitRestore, ReachableByDirty, DirtyPreds,
- CleanPreds, TII, RS))
- return false;
-
- // Trying to reach out to the new save point which dominates all dirty blocks.
- MachineBasicBlock *NewSave =
- FindIDom<>(**DirtyPreds.begin(), DirtyPreds, *MDT, false);
-
- while (NewSave && (hasDirtyPred(ReachableByDirty, *NewSave) ||
- EntryFreq < MBFI->getBlockFreq(NewSave).getFrequency()))
- NewSave = FindIDom<>(**NewSave->pred_begin(), NewSave->predecessors(), *MDT,
- false);
-
- const TargetFrameLowering *TFI = MF.getSubtarget().getFrameLowering();
- if (!NewSave || NewSave == InitSave ||
- isSaveReachableThroughClean(NewSave, CleanPreds) ||
- !TFI->canUseAsPrologue(*NewSave))
- return false;
-
- // Now we know that splitting a restore point can isolate the restore point
- // from clean blocks and doing so can shrink the save point.
- MachineBasicBlock *NewRestore =
- tryToSplitRestore(InitRestore, DirtyPreds, TII);
-
- // Make sure if the new restore point is valid as an epilogue, depending on
- // targets.
- if (!TFI->canUseAsEpilogue(*NewRestore)) {
- rollbackRestoreSplit(MF, NewRestore, InitRestore, DirtyPreds, TII);
- return false;
- }
-
- Save = NewSave;
- Restore = NewRestore;
-
- MDT->runOnMachineFunction(MF);
- MPDT->runOnMachineFunction(MF);
-
- assert((MDT->dominates(Save, Restore) && MPDT->dominates(Restore, Save)) &&
- "Incorrect save or restore point due to dominance relations");
- assert((!MLI->getLoopFor(Save) && !MLI->getLoopFor(Restore)) &&
- "Unexpected save or restore point in a loop");
- assert((EntryFreq >= MBFI->getBlockFreq(Save).getFrequency() &&
- EntryFreq >= MBFI->getBlockFreq(Restore).getFrequency()) &&
- "Incorrect save or restore point based on block frequency");
- return true;
-}
-
void ShrinkWrap::updateSaveRestorePoints(MachineBasicBlock &MBB,
RegScavenger *RS) {
// Get rid of the easy cases first.
return false;
}
-bool ShrinkWrap::performShrinkWrapping(MachineFunction &MF, RegScavenger *RS) {
+bool ShrinkWrap::runOnMachineFunction(MachineFunction &MF) {
+ if (skipFunction(MF.getFunction()) || MF.empty() || !isShrinkWrapEnabled(MF))
+ return false;
+
+ LLVM_DEBUG(dbgs() << "**** Analysing " << MF.getName() << '\n');
+
+ init(MF);
+
+ ReversePostOrderTraversal<MachineBasicBlock *> RPOT(&*MF.begin());
+ if (containsIrreducibleCFG<MachineBasicBlock *>(RPOT, *MLI)) {
+ // If MF is irreducible, a block may be in a loop without
+ // MachineLoopInfo reporting it. I.e., we may use the
+ // post-dominance property in loops, which lead to incorrect
+ // results. Moreover, we may miss that the prologue and
+ // epilogue are not in the same loop, leading to unbalanced
+ // construction/deconstruction of the stack frame.
+ return giveUpWithRemarks(ORE, "UnsupportedIrreducibleCFG",
+ "Irreducible CFGs are not supported yet.",
+ MF.getFunction().getSubprogram(), &MF.front());
+ }
+
+ const TargetRegisterInfo *TRI = MF.getSubtarget().getRegisterInfo();
+ std::unique_ptr<RegScavenger> RS(
+ TRI->requiresRegisterScavenging(MF) ? new RegScavenger() : nullptr);
+
for (MachineBasicBlock &MBB : MF) {
LLVM_DEBUG(dbgs() << "Look into: " << MBB.getNumber() << ' '
<< MBB.getName() << '\n');
// are at least at the boundary of the save and restore points. The
// problem is that a basic block can jump out from the middle in these
// cases, which we do not handle.
- updateSaveRestorePoints(MBB, RS);
+ updateSaveRestorePoints(MBB, RS.get());
if (!ArePointsInteresting()) {
LLVM_DEBUG(dbgs() << "EHPad/inlineasm_br prevents shrink-wrapping\n");
return false;
}
for (const MachineInstr &MI : MBB) {
- if (!useOrDefCSROrFI(MI, RS))
+ if (!useOrDefCSROrFI(MI, RS.get()))
continue;
// Save (resp. restore) point must dominate (resp. post dominate)
// MI. Look for the proper basic block for those.
- updateSaveRestorePoints(MBB, RS);
+ updateSaveRestorePoints(MBB, RS.get());
// If we are at a point where we cannot improve the placement of
// save/restore instructions, just give up.
if (!ArePointsInteresting()) {
break;
NewBB = Restore;
}
- updateSaveRestorePoints(*NewBB, RS);
+ updateSaveRestorePoints(*NewBB, RS.get());
} while (Save && Restore);
if (!ArePointsInteresting()) {
++NumCandidatesDropped;
return false;
}
- return true;
-}
-
-bool ShrinkWrap::runOnMachineFunction(MachineFunction &MF) {
- if (skipFunction(MF.getFunction()) || MF.empty() || !isShrinkWrapEnabled(MF))
- return false;
-
- LLVM_DEBUG(dbgs() << "**** Analysing " << MF.getName() << '\n');
-
- init(MF);
-
- ReversePostOrderTraversal<MachineBasicBlock *> RPOT(&*MF.begin());
- if (containsIrreducibleCFG<MachineBasicBlock *>(RPOT, *MLI)) {
- // If MF is irreducible, a block may be in a loop without
- // MachineLoopInfo reporting it. I.e., we may use the
- // post-dominance property in loops, which lead to incorrect
- // results. Moreover, we may miss that the prologue and
- // epilogue are not in the same loop, leading to unbalanced
- // construction/deconstruction of the stack frame.
- return giveUpWithRemarks(ORE, "UnsupportedIrreducibleCFG",
- "Irreducible CFGs are not supported yet.",
- MF.getFunction().getSubprogram(), &MF.front());
- }
-
- const TargetRegisterInfo *TRI = MF.getSubtarget().getRegisterInfo();
- std::unique_ptr<RegScavenger> RS(
- TRI->requiresRegisterScavenging(MF) ? new RegScavenger() : nullptr);
-
- bool Changed = false;
-
- bool HasCandidate = performShrinkWrapping(MF, RS.get());
- Changed = postShrinkWrapping(HasCandidate, MF, RS.get());
- if (!HasCandidate && !Changed)
- return false;
- if (!ArePointsInteresting())
- return Changed;
LLVM_DEBUG(dbgs() << "Final shrink wrap candidates:\nSave: "
<< Save->getNumber() << ' ' << Save->getName()
MFI.setSavePoint(Save);
MFI.setRestorePoint(Restore);
++NumCandidates;
- return Changed;
+ return false;
}
bool ShrinkWrap::isShrinkWrapEnabled(const MachineFunction &MF) {
; CHECK-NEXT: mov w8, wzr
; CHECK-NEXT: b .LBB5_7
; CHECK-NEXT: .LBB5_3:
-; CHECK-NEXT: mov w8, wzr
-; CHECK-NEXT: b .LBB5_9
+; CHECK-NEXT: mov w0, wzr
+; CHECK-NEXT: ret
; CHECK-NEXT: .LBB5_4: // %vector.ph
; CHECK-NEXT: and x11, x10, #0xfffffff0
; CHECK-NEXT: add x8, x0, #8
; RUN: llc -x=mir -simplify-mir -run-pass=shrink-wrap -o - %s | FileCheck %s
; CHECK: name: compiler_pop_stack
; CHECK: frameInfo:
- ; CHECK: savePoint: '%bb.1'
- ; CHECK-NEXT: restorePoint: '%bb.7'
+ ; CHECK-NOT: savePoint:
+ ; CHECK-NOT: restorePoint:
; CHECK: stack:
; CHECK: name: f
; CHECK: frameInfo:
define fastcc i32 @prune_match(ptr nocapture readonly %a, ptr nocapture readonly %b) #9 {
; CHECK-LABEL: prune_match:
; CHECK: ; %bb.0: ; %entry
-; CHECK-NEXT: ldrh w8, [x0]
-; CHECK-NEXT: ldrh w9, [x1]
-; CHECK-NEXT: cmp w8, w9
-; CHECK-NEXT: b.ne LBB0_47
-; CHECK-NEXT: ; %bb.1: ; %if.end
; CHECK-NEXT: sub sp, sp, #64
; CHECK-NEXT: .cfi_def_cfa_offset 64
; CHECK-NEXT: stp x29, x30, [sp, #48] ; 16-byte Folded Spill
; CHECK-NEXT: .cfi_offset w30, -8
; CHECK-NEXT: .cfi_offset w29, -16
+; CHECK-NEXT: ldrh w8, [x0]
+; CHECK-NEXT: ldrh w9, [x1]
+; CHECK-NEXT: cmp w8, w9
+; CHECK-NEXT: b.ne LBB0_42
+; CHECK-NEXT: ; %bb.1: ; %if.end
; CHECK-NEXT: Lloh0:
; CHECK-NEXT: adrp x14, __DefaultRuneLocale@GOTPAGE
; CHECK-NEXT: mov x9, xzr
; CHECK-NEXT: b.eq LBB0_37
; CHECK-NEXT: LBB0_42:
; CHECK-NEXT: mov w0, wzr
-; CHECK-NEXT: LBB0_43:
+; CHECK-NEXT: LBB0_43: ; %return
; CHECK-NEXT: ldp x29, x30, [sp, #48] ; 16-byte Folded Reload
; CHECK-NEXT: add sp, sp, #64
; CHECK-NEXT: ret
; CHECK-NEXT: ; %bb.46: ; %land.lhs.true52
; CHECK-NEXT: cbz w8, LBB0_43
; CHECK-NEXT: b LBB0_12
-; CHECK-NEXT: LBB0_47:
-; CHECK-NEXT: .cfi_def_cfa wsp, 0
-; CHECK-NEXT: .cfi_same_value w30
-; CHECK-NEXT: .cfi_same_value w29
-; CHECK-NEXT: mov w0, wzr
-; CHECK-NEXT: ret
; CHECK-NEXT: .loh AdrpLdrGot Lloh0, Lloh1
; CHECK-NEXT: .loh AdrpLdrGot Lloh2, Lloh3
; CHECK-NEXT: .loh AdrpLdrGot Lloh4, Lloh5
+++ /dev/null
-# NOTE: Assertions have been autogenerated by utils/update_mir_test_checks.py UTC_ARGS: --version 2
-# RUN: llc -mtriple=aarch64 -run-pass=shrink-wrap -o - %s | FileCheck %s
-
---- |
- define void @shrink_test1(i32 %a) {
- entry:
- %cmp5 = icmp sgt i32 %a, 0
- br i1 %cmp5, label %BB0, label %exit
-
- BB0: ; preds = %entry
- %call = call i32 @fun()
- %c = icmp eq i32 %call, 0
- br i1 %c, label %BB1, label %exit
-
- BB1: ; preds = %BB0
- %call2 = call i32 @fun()
- br label %exit
-
- exit: ; preds = %BB1, %BB0, %entry
- ret void
- }
-
- define void @shrink_test2(i32 %a, ptr %P1, ptr %P2) {
- BB00:
- %cmp5 = icmp sgt i32 %a, 0
- br i1 %cmp5, label %BB01, label %exit
-
- BB01: ; preds = %BB00
- store i32 %a, ptr %P1, align 4
- %c1 = icmp sgt i32 %a, 1
- br i1 %c1, label %BB02, label %BB03
-
- BB02: ; preds = %BB01
- store i32 %a, ptr %P2, align 4
- br label %BB03
-
- BB03: ; preds = %BB02, %BB01
- %call03 = call i32 @fun()
- %c03 = icmp eq i32 %call03, 0
- br i1 %c03, label %BB04, label %BB05
-
- BB04: ; preds = %BB03
- %call04 = call i32 @fun()
- br label %BB05
-
- BB05: ; preds = %BB04, %BB03
- %call05 = call i32 @fun()
- %c05 = icmp eq i32 %call05, 0
- br i1 %c05, label %BB06, label %BB07
-
- BB06: ; preds = %BB05
- %call06 = call i32 @fun()
- br label %exit
-
- BB07: ; preds = %BB05
- %call07 = call i32 @fun2()
- br label %exit
-
- exit: ; preds = %BB07, %BB06, %BB00
- ret void
- }
-
- define void @noshrink_test1(i32 %a, i32 %v, i32 %v2) {
- entry:
- %cmp5 = icmp sgt i32 %a, 0
- br i1 %cmp5, label %BB0, label %exit
-
- BB0: ; preds = %entry
- %c = icmp eq i32 %a, 10
- %c1 = icmp eq i32 %v, 10
- %or.cond = select i1 %c, i1 %c1, i1 false
- br i1 %or.cond, label %BB3, label %BB2
-
- BB2: ; preds = %BB0
- %c2 = icmp eq i32 %v2, 10
- br i1 %c2, label %BB4, label %exit
-
- BB3: ; preds = %BB0
- %call3 = call i32 @fun()
- br label %exit
-
- BB4: ; preds = %BB2
- %call4 = call i32 @fun2()
- br label %exit
-
- exit: ; preds = %BB4, %BB3, %BB2, %entry
- ret void
- }
-
- define void @noshrink_test2(i32 %a) {
- BB00:
- %cmp5 = icmp sgt i32 %a, 0
- br i1 %cmp5, label %BB01, label %InfLoop.preheader
-
- InfLoop.preheader: ; preds = %BB00
- br label %InfLoop
-
- BB01: ; preds = %BB00
- %call = call i32 @fun()
- %c = icmp eq i32 %call, 0
- br i1 %c, label %BB02, label %exit
-
- BB02: ; preds = %BB01
- %call2 = call i32 @fun()
- br label %exit
-
- InfLoop: ; preds = %InfLoop.preheader, %InfLoop
- %call3 = call i32 @fun()
- br label %InfLoop
-
- exit: ; preds = %BB02, %BB01
- ret void
- }
-
- define void @noshrink_test3(i32 %a) {
- BB00:
- %cmp5 = icmp sgt i32 %a, 0
- %call02 = call i32 @fun()
- br i1 %cmp5, label %BB02, label %BB01
-
- BB01: ; preds = %BB00
- %0 = icmp eq i32 %call02, 0
- br i1 %0, label %BB01.1, label %exit
-
- BB01.1: ; preds = %BB01
- call void @abort() #0
- unreachable
-
- BB02: ; preds = %BB00
- %1 = icmp eq i32 %call02, 0
- br i1 %1, label %BB03, label %BB04
-
- BB03: ; preds = %BB02
- %call03 = call i32 @fun()
- %c03 = icmp eq i32 %call03, 0
- br i1 %c03, label %BB04, label %exit
-
- BB04: ; preds = %BB03, %BB02
- %call04 = call i32 @fun()
- br label %exit
-
- exit: ; preds = %BB04, %BB03, %BB01
- ret void
- }
-
- define void @noshrink_bb_as_inlineasmbr_target(i1 %cond) {
- entry:
- br i1 %cond, label %0, label %exit
-
- 0: ; preds = %entry
- callbr void asm sideeffect "", "!i,~{flags}"()
- to label %1 [label %exit]
-
- 1: ; preds = %0
- call void @dosomething()
- br label %exit
-
- exit: ; preds = %1, %0, %entry
- ret void
- }
-
- declare i32 @fun()
- declare i32 @fun2()
- declare void @abort()
- declare void @dosomething()
-...
----
-name: shrink_test1
-alignment: 4
-tracksRegLiveness: true
-tracksDebugUserValues: true
-liveins:
- - { reg: '$w0' }
-frameInfo:
- maxAlignment: 1
- adjustsStack: true
- hasCalls: true
- maxCallFrameSize: 0
-machineFunctionInfo: {}
-body: |
- ; CHECK-LABEL: name: shrink_test1
- ; CHECK: bb.0.entry:
- ; CHECK-NEXT: successors: %bb.1(0x50000000), %bb.3(0x30000000)
- ; CHECK-NEXT: liveins: $w0
- ; CHECK-NEXT: {{ $}}
- ; CHECK-NEXT: dead $wzr = SUBSWri killed renamable $w0, 1, 0, implicit-def $nzcv
- ; CHECK-NEXT: Bcc 11, %bb.3, implicit killed $nzcv
- ; CHECK-NEXT: B %bb.1
- ; CHECK-NEXT: {{ $}}
- ; CHECK-NEXT: bb.1.BB0:
- ; CHECK-NEXT: successors: %bb.2(0x30000000), %bb.4(0x50000000)
- ; CHECK-NEXT: {{ $}}
- ; CHECK-NEXT: ADJCALLSTACKDOWN 0, 0, implicit-def dead $sp, implicit $sp
- ; CHECK-NEXT: BL @fun, csr_aarch64_aapcs, implicit-def dead $lr, implicit $sp, implicit-def $sp, implicit-def $w0
- ; CHECK-NEXT: ADJCALLSTACKUP 0, 0, implicit-def dead $sp, implicit $sp
- ; CHECK-NEXT: CBNZW killed renamable $w0, %bb.4
- ; CHECK-NEXT: B %bb.2
- ; CHECK-NEXT: {{ $}}
- ; CHECK-NEXT: bb.2.BB1:
- ; CHECK-NEXT: successors: %bb.4(0x80000000)
- ; CHECK-NEXT: {{ $}}
- ; CHECK-NEXT: ADJCALLSTACKDOWN 0, 0, implicit-def dead $sp, implicit $sp
- ; CHECK-NEXT: BL @fun, csr_aarch64_aapcs, implicit-def dead $lr, implicit $sp, implicit-def $sp, implicit-def dead $w0
- ; CHECK-NEXT: ADJCALLSTACKUP 0, 0, implicit-def dead $sp, implicit $sp
- ; CHECK-NEXT: B %bb.4
- ; CHECK-NEXT: {{ $}}
- ; CHECK-NEXT: bb.3.exit:
- ; CHECK-NEXT: RET_ReallyLR
- ; CHECK-NEXT: {{ $}}
- ; CHECK-NEXT: bb.4:
- ; CHECK-NEXT: successors: %bb.3(0x80000000)
- ; CHECK-NEXT: {{ $}}
- ; CHECK-NEXT: B %bb.3
- bb.0.entry:
- successors: %bb.1(0x50000000), %bb.3(0x30000000)
- liveins: $w0
-
- dead $wzr = SUBSWri killed renamable $w0, 1, 0, implicit-def $nzcv
- Bcc 11, %bb.3, implicit killed $nzcv
- B %bb.1
-
- bb.1.BB0:
- successors: %bb.2(0x30000000), %bb.3(0x50000000)
-
- ADJCALLSTACKDOWN 0, 0, implicit-def dead $sp, implicit $sp
- BL @fun, csr_aarch64_aapcs, implicit-def dead $lr, implicit $sp, implicit-def $sp, implicit-def $w0
- ADJCALLSTACKUP 0, 0, implicit-def dead $sp, implicit $sp
- CBNZW killed renamable $w0, %bb.3
- B %bb.2
-
- bb.2.BB1:
- ADJCALLSTACKDOWN 0, 0, implicit-def dead $sp, implicit $sp
- BL @fun, csr_aarch64_aapcs, implicit-def dead $lr, implicit $sp, implicit-def $sp, implicit-def dead $w0
- ADJCALLSTACKUP 0, 0, implicit-def dead $sp, implicit $sp
-
- bb.3.exit:
- RET_ReallyLR
-
-...
----
-name: shrink_test2
-alignment: 4
-tracksRegLiveness: true
-tracksDebugUserValues: true
-liveins:
- - { reg: '$w0' }
- - { reg: '$x1' }
- - { reg: '$x2' }
-frameInfo:
- maxAlignment: 1
- adjustsStack: true
- hasCalls: true
- maxCallFrameSize: 0
-machineFunctionInfo: {}
-body: |
- ; CHECK-LABEL: name: shrink_test2
- ; CHECK: bb.0.BB00:
- ; CHECK-NEXT: successors: %bb.1(0x50000000), %bb.8(0x30000000)
- ; CHECK-NEXT: liveins: $w0, $x1, $x2
- ; CHECK-NEXT: {{ $}}
- ; CHECK-NEXT: dead $wzr = SUBSWri renamable $w0, 1, 0, implicit-def $nzcv
- ; CHECK-NEXT: Bcc 11, %bb.8, implicit killed $nzcv
- ; CHECK-NEXT: B %bb.1
- ; CHECK-NEXT: {{ $}}
- ; CHECK-NEXT: bb.1.BB01:
- ; CHECK-NEXT: successors: %bb.2(0x40000000), %bb.3(0x40000000)
- ; CHECK-NEXT: liveins: $w0, $x1, $x2
- ; CHECK-NEXT: {{ $}}
- ; CHECK-NEXT: dead $wzr = SUBSWri renamable $w0, 2, 0, implicit-def $nzcv
- ; CHECK-NEXT: STRWui renamable $w0, killed renamable $x1, 0 :: (store (s32) into %ir.P1)
- ; CHECK-NEXT: Bcc 11, %bb.3, implicit killed $nzcv
- ; CHECK-NEXT: B %bb.2
- ; CHECK-NEXT: {{ $}}
- ; CHECK-NEXT: bb.2.BB02:
- ; CHECK-NEXT: successors: %bb.3(0x80000000)
- ; CHECK-NEXT: liveins: $w0, $x2
- ; CHECK-NEXT: {{ $}}
- ; CHECK-NEXT: STRWui killed renamable $w0, killed renamable $x2, 0 :: (store (s32) into %ir.P2)
- ; CHECK-NEXT: {{ $}}
- ; CHECK-NEXT: bb.3.BB03:
- ; CHECK-NEXT: successors: %bb.4(0x30000000), %bb.5(0x50000000)
- ; CHECK-NEXT: {{ $}}
- ; CHECK-NEXT: ADJCALLSTACKDOWN 0, 0, implicit-def dead $sp, implicit $sp
- ; CHECK-NEXT: BL @fun, csr_aarch64_aapcs, implicit-def dead $lr, implicit $sp, implicit-def $sp, implicit-def $w0
- ; CHECK-NEXT: ADJCALLSTACKUP 0, 0, implicit-def dead $sp, implicit $sp
- ; CHECK-NEXT: CBNZW killed renamable $w0, %bb.5
- ; CHECK-NEXT: B %bb.4
- ; CHECK-NEXT: {{ $}}
- ; CHECK-NEXT: bb.4.BB04:
- ; CHECK-NEXT: successors: %bb.5(0x80000000)
- ; CHECK-NEXT: {{ $}}
- ; CHECK-NEXT: ADJCALLSTACKDOWN 0, 0, implicit-def dead $sp, implicit $sp
- ; CHECK-NEXT: BL @fun, csr_aarch64_aapcs, implicit-def dead $lr, implicit $sp, implicit-def $sp, implicit-def dead $w0
- ; CHECK-NEXT: ADJCALLSTACKUP 0, 0, implicit-def dead $sp, implicit $sp
- ; CHECK-NEXT: {{ $}}
- ; CHECK-NEXT: bb.5.BB05:
- ; CHECK-NEXT: successors: %bb.6(0x30000000), %bb.7(0x50000000)
- ; CHECK-NEXT: {{ $}}
- ; CHECK-NEXT: ADJCALLSTACKDOWN 0, 0, implicit-def dead $sp, implicit $sp
- ; CHECK-NEXT: BL @fun, csr_aarch64_aapcs, implicit-def dead $lr, implicit $sp, implicit-def $sp, implicit-def $w0
- ; CHECK-NEXT: ADJCALLSTACKUP 0, 0, implicit-def dead $sp, implicit $sp
- ; CHECK-NEXT: CBNZW killed renamable $w0, %bb.7
- ; CHECK-NEXT: B %bb.6
- ; CHECK-NEXT: {{ $}}
- ; CHECK-NEXT: bb.6.BB06:
- ; CHECK-NEXT: successors: %bb.9(0x80000000)
- ; CHECK-NEXT: {{ $}}
- ; CHECK-NEXT: ADJCALLSTACKDOWN 0, 0, implicit-def dead $sp, implicit $sp
- ; CHECK-NEXT: BL @fun, csr_aarch64_aapcs, implicit-def dead $lr, implicit $sp, implicit-def $sp, implicit-def dead $w0
- ; CHECK-NEXT: ADJCALLSTACKUP 0, 0, implicit-def dead $sp, implicit $sp
- ; CHECK-NEXT: B %bb.9
- ; CHECK-NEXT: {{ $}}
- ; CHECK-NEXT: bb.7.BB07:
- ; CHECK-NEXT: successors: %bb.9(0x80000000)
- ; CHECK-NEXT: {{ $}}
- ; CHECK-NEXT: ADJCALLSTACKDOWN 0, 0, implicit-def dead $sp, implicit $sp
- ; CHECK-NEXT: BL @fun2, csr_aarch64_aapcs, implicit-def dead $lr, implicit $sp, implicit-def $sp, implicit-def dead $w0
- ; CHECK-NEXT: ADJCALLSTACKUP 0, 0, implicit-def dead $sp, implicit $sp
- ; CHECK-NEXT: B %bb.9
- ; CHECK-NEXT: {{ $}}
- ; CHECK-NEXT: bb.8.exit:
- ; CHECK-NEXT: RET_ReallyLR
- ; CHECK-NEXT: {{ $}}
- ; CHECK-NEXT: bb.9:
- ; CHECK-NEXT: successors: %bb.8(0x80000000)
- ; CHECK-NEXT: {{ $}}
- ; CHECK-NEXT: B %bb.8
- bb.0.BB00:
- successors: %bb.1(0x50000000), %bb.8(0x30000000)
- liveins: $w0, $x1, $x2
-
- dead $wzr = SUBSWri renamable $w0, 1, 0, implicit-def $nzcv
- Bcc 11, %bb.8, implicit killed $nzcv
- B %bb.1
-
- bb.1.BB01:
- successors: %bb.2, %bb.3
- liveins: $w0, $x1, $x2
-
- dead $wzr = SUBSWri renamable $w0, 2, 0, implicit-def $nzcv
- STRWui renamable $w0, killed renamable $x1, 0 :: (store (s32) into %ir.P1)
- Bcc 11, %bb.3, implicit killed $nzcv
- B %bb.2
-
- bb.2.BB02:
- liveins: $w0, $x2
-
- STRWui killed renamable $w0, killed renamable $x2, 0 :: (store (s32) into %ir.P2)
-
- bb.3.BB03:
- successors: %bb.4(0x30000000), %bb.5(0x50000000)
-
- ADJCALLSTACKDOWN 0, 0, implicit-def dead $sp, implicit $sp
- BL @fun, csr_aarch64_aapcs, implicit-def dead $lr, implicit $sp, implicit-def $sp, implicit-def $w0
- ADJCALLSTACKUP 0, 0, implicit-def dead $sp, implicit $sp
- CBNZW killed renamable $w0, %bb.5
- B %bb.4
-
- bb.4.BB04:
- ADJCALLSTACKDOWN 0, 0, implicit-def dead $sp, implicit $sp
- BL @fun, csr_aarch64_aapcs, implicit-def dead $lr, implicit $sp, implicit-def $sp, implicit-def dead $w0
- ADJCALLSTACKUP 0, 0, implicit-def dead $sp, implicit $sp
-
- bb.5.BB05:
- successors: %bb.6(0x30000000), %bb.7(0x50000000)
-
- ADJCALLSTACKDOWN 0, 0, implicit-def dead $sp, implicit $sp
- BL @fun, csr_aarch64_aapcs, implicit-def dead $lr, implicit $sp, implicit-def $sp, implicit-def $w0
- ADJCALLSTACKUP 0, 0, implicit-def dead $sp, implicit $sp
- CBNZW killed renamable $w0, %bb.7
- B %bb.6
-
- bb.6.BB06:
- ADJCALLSTACKDOWN 0, 0, implicit-def dead $sp, implicit $sp
- BL @fun, csr_aarch64_aapcs, implicit-def dead $lr, implicit $sp, implicit-def $sp, implicit-def dead $w0
- ADJCALLSTACKUP 0, 0, implicit-def dead $sp, implicit $sp
- B %bb.8
-
- bb.7.BB07:
- ADJCALLSTACKDOWN 0, 0, implicit-def dead $sp, implicit $sp
- BL @fun2, csr_aarch64_aapcs, implicit-def dead $lr, implicit $sp, implicit-def $sp, implicit-def dead $w0
- ADJCALLSTACKUP 0, 0, implicit-def dead $sp, implicit $sp
-
- bb.8.exit:
- RET_ReallyLR
-
-...
----
-name: noshrink_test1
-alignment: 4
-tracksRegLiveness: true
-tracksDebugUserValues: true
-liveins:
- - { reg: '$w0' }
- - { reg: '$w1' }
- - { reg: '$w2' }
-frameInfo:
- maxAlignment: 1
- adjustsStack: true
- hasCalls: true
- maxCallFrameSize: 0
-machineFunctionInfo: {}
-body: |
- ; CHECK-LABEL: name: noshrink_test1
- ; CHECK: bb.0.entry:
- ; CHECK-NEXT: successors: %bb.1(0x50000000), %bb.6(0x30000000)
- ; CHECK-NEXT: liveins: $w0, $w1, $w2
- ; CHECK-NEXT: {{ $}}
- ; CHECK-NEXT: dead $wzr = SUBSWri renamable $w0, 1, 0, implicit-def $nzcv
- ; CHECK-NEXT: Bcc 11, %bb.6, implicit killed $nzcv
- ; CHECK-NEXT: B %bb.1
- ; CHECK-NEXT: {{ $}}
- ; CHECK-NEXT: bb.1.BB0:
- ; CHECK-NEXT: successors: %bb.2(0x60000000), %bb.3(0x20000000)
- ; CHECK-NEXT: liveins: $w0, $w1, $w2
- ; CHECK-NEXT: {{ $}}
- ; CHECK-NEXT: dead $wzr = SUBSWri killed renamable $w0, 10, 0, implicit-def $nzcv
- ; CHECK-NEXT: Bcc 1, %bb.3, implicit killed $nzcv
- ; CHECK-NEXT: B %bb.2
- ; CHECK-NEXT: {{ $}}
- ; CHECK-NEXT: bb.2.BB0:
- ; CHECK-NEXT: successors: %bb.4(0x55555555), %bb.3(0x2aaaaaab)
- ; CHECK-NEXT: liveins: $w1, $w2
- ; CHECK-NEXT: {{ $}}
- ; CHECK-NEXT: dead $wzr = SUBSWri killed renamable $w1, 10, 0, implicit-def $nzcv
- ; CHECK-NEXT: Bcc 0, %bb.4, implicit killed $nzcv
- ; CHECK-NEXT: B %bb.3
- ; CHECK-NEXT: {{ $}}
- ; CHECK-NEXT: bb.3.BB2:
- ; CHECK-NEXT: successors: %bb.5(0x40000000), %bb.6(0x40000000)
- ; CHECK-NEXT: liveins: $w2
- ; CHECK-NEXT: {{ $}}
- ; CHECK-NEXT: dead $wzr = SUBSWri killed renamable $w2, 10, 0, implicit-def $nzcv
- ; CHECK-NEXT: Bcc 0, %bb.5, implicit killed $nzcv
- ; CHECK-NEXT: B %bb.6
- ; CHECK-NEXT: {{ $}}
- ; CHECK-NEXT: bb.4.BB3:
- ; CHECK-NEXT: successors: %bb.6(0x80000000)
- ; CHECK-NEXT: {{ $}}
- ; CHECK-NEXT: ADJCALLSTACKDOWN 0, 0, implicit-def dead $sp, implicit $sp
- ; CHECK-NEXT: BL @fun, csr_aarch64_aapcs, implicit-def dead $lr, implicit $sp, implicit-def $sp, implicit-def dead $w0
- ; CHECK-NEXT: ADJCALLSTACKUP 0, 0, implicit-def dead $sp, implicit $sp
- ; CHECK-NEXT: B %bb.6
- ; CHECK-NEXT: {{ $}}
- ; CHECK-NEXT: bb.5.BB4:
- ; CHECK-NEXT: successors: %bb.6(0x80000000)
- ; CHECK-NEXT: {{ $}}
- ; CHECK-NEXT: ADJCALLSTACKDOWN 0, 0, implicit-def dead $sp, implicit $sp
- ; CHECK-NEXT: BL @fun2, csr_aarch64_aapcs, implicit-def dead $lr, implicit $sp, implicit-def $sp, implicit-def dead $w0
- ; CHECK-NEXT: ADJCALLSTACKUP 0, 0, implicit-def dead $sp, implicit $sp
- ; CHECK-NEXT: {{ $}}
- ; CHECK-NEXT: bb.6.exit:
- ; CHECK-NEXT: RET_ReallyLR
- bb.0.entry:
- successors: %bb.1(0x50000000), %bb.6(0x30000000)
- liveins: $w0, $w1, $w2
-
- dead $wzr = SUBSWri renamable $w0, 1, 0, implicit-def $nzcv
- Bcc 11, %bb.6, implicit killed $nzcv
- B %bb.1
-
- bb.1.BB0:
- successors: %bb.2(0x60000000), %bb.3(0x20000000)
- liveins: $w0, $w1, $w2
-
- dead $wzr = SUBSWri killed renamable $w0, 10, 0, implicit-def $nzcv
- Bcc 1, %bb.3, implicit killed $nzcv
- B %bb.2
-
- bb.2.BB0:
- successors: %bb.4(0x55555555), %bb.3(0x2aaaaaab)
- liveins: $w1, $w2
-
- dead $wzr = SUBSWri killed renamable $w1, 10, 0, implicit-def $nzcv
- Bcc 0, %bb.4, implicit killed $nzcv
- B %bb.3
-
- bb.3.BB2:
- liveins: $w2
-
- dead $wzr = SUBSWri killed renamable $w2, 10, 0, implicit-def $nzcv
- Bcc 0, %bb.5, implicit killed $nzcv
- B %bb.6
-
- bb.4.BB3:
- ADJCALLSTACKDOWN 0, 0, implicit-def dead $sp, implicit $sp
- BL @fun, csr_aarch64_aapcs, implicit-def dead $lr, implicit $sp, implicit-def $sp, implicit-def dead $w0
- ADJCALLSTACKUP 0, 0, implicit-def dead $sp, implicit $sp
- B %bb.6
-
- bb.5.BB4:
- ADJCALLSTACKDOWN 0, 0, implicit-def dead $sp, implicit $sp
- BL @fun2, csr_aarch64_aapcs, implicit-def dead $lr, implicit $sp, implicit-def $sp, implicit-def dead $w0
- ADJCALLSTACKUP 0, 0, implicit-def dead $sp, implicit $sp
-
- bb.6.exit:
- RET_ReallyLR
-
-...
----
-name: noshrink_test2
-alignment: 4
-tracksRegLiveness: true
-tracksDebugUserValues: true
-liveins:
- - { reg: '$w0' }
-frameInfo:
- maxAlignment: 1
- adjustsStack: true
- hasCalls: true
- maxCallFrameSize: 0
-machineFunctionInfo: {}
-body: |
- ; CHECK-LABEL: name: noshrink_test2
- ; CHECK: bb.0.BB00:
- ; CHECK-NEXT: successors: %bb.2(0x50000000), %bb.1(0x30000000)
- ; CHECK-NEXT: liveins: $w0
- ; CHECK-NEXT: {{ $}}
- ; CHECK-NEXT: dead $wzr = SUBSWri killed renamable $w0, 0, 0, implicit-def $nzcv
- ; CHECK-NEXT: Bcc 12, %bb.2, implicit killed $nzcv
- ; CHECK-NEXT: {{ $}}
- ; CHECK-NEXT: bb.1:
- ; CHECK-NEXT: successors: %bb.4(0x80000000)
- ; CHECK-NEXT: {{ $}}
- ; CHECK-NEXT: B %bb.4
- ; CHECK-NEXT: {{ $}}
- ; CHECK-NEXT: bb.2.BB01:
- ; CHECK-NEXT: successors: %bb.3(0x30000000), %bb.5(0x50000000)
- ; CHECK-NEXT: {{ $}}
- ; CHECK-NEXT: ADJCALLSTACKDOWN 0, 0, implicit-def dead $sp, implicit $sp
- ; CHECK-NEXT: BL @fun, csr_aarch64_aapcs, implicit-def dead $lr, implicit $sp, implicit-def $sp, implicit-def $w0
- ; CHECK-NEXT: ADJCALLSTACKUP 0, 0, implicit-def dead $sp, implicit $sp
- ; CHECK-NEXT: CBNZW killed renamable $w0, %bb.5
- ; CHECK-NEXT: B %bb.3
- ; CHECK-NEXT: {{ $}}
- ; CHECK-NEXT: bb.3.BB02:
- ; CHECK-NEXT: successors: %bb.5(0x80000000)
- ; CHECK-NEXT: {{ $}}
- ; CHECK-NEXT: ADJCALLSTACKDOWN 0, 0, implicit-def dead $sp, implicit $sp
- ; CHECK-NEXT: BL @fun, csr_aarch64_aapcs, implicit-def dead $lr, implicit $sp, implicit-def $sp, implicit-def dead $w0
- ; CHECK-NEXT: ADJCALLSTACKUP 0, 0, implicit-def dead $sp, implicit $sp
- ; CHECK-NEXT: B %bb.5
- ; CHECK-NEXT: {{ $}}
- ; CHECK-NEXT: bb.4.InfLoop:
- ; CHECK-NEXT: successors: %bb.4(0x80000000)
- ; CHECK-NEXT: {{ $}}
- ; CHECK-NEXT: ADJCALLSTACKDOWN 0, 0, implicit-def dead $sp, implicit $sp
- ; CHECK-NEXT: BL @fun, csr_aarch64_aapcs, implicit-def dead $lr, implicit $sp, implicit-def $sp, implicit-def dead $w0
- ; CHECK-NEXT: ADJCALLSTACKUP 0, 0, implicit-def dead $sp, implicit $sp
- ; CHECK-NEXT: B %bb.4
- ; CHECK-NEXT: {{ $}}
- ; CHECK-NEXT: bb.5.exit:
- ; CHECK-NEXT: RET_ReallyLR
- bb.0.BB00:
- successors: %bb.2(0x50000000), %bb.1(0x30000000)
- liveins: $w0
-
- dead $wzr = SUBSWri killed renamable $w0, 0, 0, implicit-def $nzcv
- Bcc 12, %bb.2, implicit killed $nzcv
-
- bb.1:
- B %bb.4
-
- bb.2.BB01:
- successors: %bb.3(0x30000000), %bb.5(0x50000000)
-
- ADJCALLSTACKDOWN 0, 0, implicit-def dead $sp, implicit $sp
- BL @fun, csr_aarch64_aapcs, implicit-def dead $lr, implicit $sp, implicit-def $sp, implicit-def $w0
- ADJCALLSTACKUP 0, 0, implicit-def dead $sp, implicit $sp
- CBNZW killed renamable $w0, %bb.5
- B %bb.3
-
- bb.3.BB02:
- ADJCALLSTACKDOWN 0, 0, implicit-def dead $sp, implicit $sp
- BL @fun, csr_aarch64_aapcs, implicit-def dead $lr, implicit $sp, implicit-def $sp, implicit-def dead $w0
- ADJCALLSTACKUP 0, 0, implicit-def dead $sp, implicit $sp
- B %bb.5
-
- bb.4.InfLoop:
- ADJCALLSTACKDOWN 0, 0, implicit-def dead $sp, implicit $sp
- BL @fun, csr_aarch64_aapcs, implicit-def dead $lr, implicit $sp, implicit-def $sp, implicit-def dead $w0
- ADJCALLSTACKUP 0, 0, implicit-def dead $sp, implicit $sp
- B %bb.4
-
- bb.5.exit:
- RET_ReallyLR
-
-...
----
-name: noshrink_test3
-alignment: 4
-tracksRegLiveness: true
-tracksDebugUserValues: true
-liveins:
- - { reg: '$w0' }
-frameInfo:
- maxAlignment: 1
- adjustsStack: true
- hasCalls: true
- maxCallFrameSize: 0
-machineFunctionInfo: {}
-body: |
- ; CHECK-LABEL: name: noshrink_test3
- ; CHECK: bb.0.BB00:
- ; CHECK-NEXT: successors: %bb.3(0x50000000), %bb.1(0x30000000)
- ; CHECK-NEXT: liveins: $w0
- ; CHECK-NEXT: {{ $}}
- ; CHECK-NEXT: renamable $w19 = COPY $w0
- ; CHECK-NEXT: ADJCALLSTACKDOWN 0, 0, implicit-def dead $sp, implicit $sp
- ; CHECK-NEXT: BL @fun, csr_aarch64_aapcs, implicit-def dead $lr, implicit $sp, implicit-def $sp, implicit-def $w0
- ; CHECK-NEXT: ADJCALLSTACKUP 0, 0, implicit-def dead $sp, implicit $sp
- ; CHECK-NEXT: dead $wzr = SUBSWri killed renamable $w19, 0, 0, implicit-def $nzcv
- ; CHECK-NEXT: Bcc 12, %bb.3, implicit killed $nzcv
- ; CHECK-NEXT: B %bb.1
- ; CHECK-NEXT: {{ $}}
- ; CHECK-NEXT: bb.1.BB01:
- ; CHECK-NEXT: successors: %bb.2(0x00000800), %bb.6(0x7ffff800)
- ; CHECK-NEXT: liveins: $w0
- ; CHECK-NEXT: {{ $}}
- ; CHECK-NEXT: CBNZW killed renamable $w0, %bb.6
- ; CHECK-NEXT: B %bb.2
- ; CHECK-NEXT: {{ $}}
- ; CHECK-NEXT: bb.2.BB01.1:
- ; CHECK-NEXT: successors: %bb.3(0x80000000)
- ; CHECK-NEXT: {{ $}}
- ; CHECK-NEXT: ADJCALLSTACKDOWN 0, 0, implicit-def dead $sp, implicit $sp
- ; CHECK-NEXT: BL @abort, csr_aarch64_aapcs, implicit-def dead $lr, implicit $sp, implicit-def $sp
- ; CHECK-NEXT: ADJCALLSTACKUP 0, 0, implicit-def dead $sp, implicit $sp
- ; CHECK-NEXT: {{ $}}
- ; CHECK-NEXT: bb.3.BB02:
- ; CHECK-NEXT: successors: %bb.4(0x30000000), %bb.5(0x50000000)
- ; CHECK-NEXT: liveins: $w0
- ; CHECK-NEXT: {{ $}}
- ; CHECK-NEXT: CBNZW killed renamable $w0, %bb.5
- ; CHECK-NEXT: B %bb.4
- ; CHECK-NEXT: {{ $}}
- ; CHECK-NEXT: bb.4.BB03:
- ; CHECK-NEXT: successors: %bb.5(0x30000000), %bb.6(0x50000000)
- ; CHECK-NEXT: {{ $}}
- ; CHECK-NEXT: ADJCALLSTACKDOWN 0, 0, implicit-def dead $sp, implicit $sp
- ; CHECK-NEXT: BL @fun, csr_aarch64_aapcs, implicit-def dead $lr, implicit $sp, implicit-def $sp, implicit-def $w0
- ; CHECK-NEXT: ADJCALLSTACKUP 0, 0, implicit-def dead $sp, implicit $sp
- ; CHECK-NEXT: CBNZW killed renamable $w0, %bb.6
- ; CHECK-NEXT: B %bb.5
- ; CHECK-NEXT: {{ $}}
- ; CHECK-NEXT: bb.5.BB04:
- ; CHECK-NEXT: successors: %bb.6(0x80000000)
- ; CHECK-NEXT: {{ $}}
- ; CHECK-NEXT: ADJCALLSTACKDOWN 0, 0, implicit-def dead $sp, implicit $sp
- ; CHECK-NEXT: BL @fun, csr_aarch64_aapcs, implicit-def dead $lr, implicit $sp, implicit-def $sp, implicit-def dead $w0
- ; CHECK-NEXT: ADJCALLSTACKUP 0, 0, implicit-def dead $sp, implicit $sp
- ; CHECK-NEXT: {{ $}}
- ; CHECK-NEXT: bb.6.exit:
- ; CHECK-NEXT: RET_ReallyLR
- bb.0.BB00:
- successors: %bb.3(0x50000000), %bb.1(0x30000000)
- liveins: $w0
-
- renamable $w19 = COPY $w0
- ADJCALLSTACKDOWN 0, 0, implicit-def dead $sp, implicit $sp
- BL @fun, csr_aarch64_aapcs, implicit-def dead $lr, implicit $sp, implicit-def $sp, implicit-def $w0
- ADJCALLSTACKUP 0, 0, implicit-def dead $sp, implicit $sp
- dead $wzr = SUBSWri killed renamable $w19, 0, 0, implicit-def $nzcv
- Bcc 12, %bb.3, implicit killed $nzcv
- B %bb.1
-
- bb.1.BB01:
- successors: %bb.2(0x00000800), %bb.6(0x7ffff800)
- liveins: $w0
-
- CBNZW killed renamable $w0, %bb.6
- B %bb.2
-
- bb.2.BB01.1:
-
- ADJCALLSTACKDOWN 0, 0, implicit-def dead $sp, implicit $sp
- BL @abort, csr_aarch64_aapcs, implicit-def dead $lr, implicit $sp, implicit-def $sp
- ADJCALLSTACKUP 0, 0, implicit-def dead $sp, implicit $sp
-
- bb.3.BB02:
- successors: %bb.4(0x30000000), %bb.5(0x50000000)
- liveins: $w0
-
- CBNZW killed renamable $w0, %bb.5
- B %bb.4
-
- bb.4.BB03:
- successors: %bb.5(0x30000000), %bb.6(0x50000000)
-
- ADJCALLSTACKDOWN 0, 0, implicit-def dead $sp, implicit $sp
- BL @fun, csr_aarch64_aapcs, implicit-def dead $lr, implicit $sp, implicit-def $sp, implicit-def $w0
- ADJCALLSTACKUP 0, 0, implicit-def dead $sp, implicit $sp
- CBNZW killed renamable $w0, %bb.6
- B %bb.5
-
- bb.5.BB04:
- ADJCALLSTACKDOWN 0, 0, implicit-def dead $sp, implicit $sp
- BL @fun, csr_aarch64_aapcs, implicit-def dead $lr, implicit $sp, implicit-def $sp, implicit-def dead $w0
- ADJCALLSTACKUP 0, 0, implicit-def dead $sp, implicit $sp
-
- bb.6.exit:
- RET_ReallyLR
-
-...
----
-name: noshrink_bb_as_inlineasmbr_target
-registers: []
-liveins:
- - { reg: '$w0', virtual-reg: '' }
-frameInfo:
- savePoint: ''
- restorePoint: ''
-body: |
- ; CHECK-LABEL: name: noshrink_bb_as_inlineasmbr_target
- ; CHECK: bb.0.entry:
- ; CHECK-NEXT: successors: %bb.1(0x40000000), %bb.3(0x40000000)
- ; CHECK-NEXT: liveins: $w0
- ; CHECK-NEXT: {{ $}}
- ; CHECK-NEXT: TBZW killed renamable $w0, 0, %bb.3
- ; CHECK-NEXT: B %bb.1
- ; CHECK-NEXT: {{ $}}
- ; CHECK-NEXT: bb.1 (%ir-block.0):
- ; CHECK-NEXT: successors: %bb.2(0x80000000), %bb.3(0x00000000)
- ; CHECK-NEXT: {{ $}}
- ; CHECK-NEXT: INLINEASM_BR &"", 1 /* sideeffect attdialect */, 13 /* imm */, %bb.3
- ; CHECK-NEXT: B %bb.2
- ; CHECK-NEXT: {{ $}}
- ; CHECK-NEXT: bb.2 (%ir-block.1):
- ; CHECK-NEXT: successors: %bb.3(0x80000000)
- ; CHECK-NEXT: {{ $}}
- ; CHECK-NEXT: ADJCALLSTACKDOWN 0, 0, implicit-def dead $sp, implicit $sp
- ; CHECK-NEXT: BL @dosomething, csr_aarch64_aapcs, implicit-def dead $lr, implicit $sp, implicit-def $sp
- ; CHECK-NEXT: ADJCALLSTACKUP 0, 0, implicit-def dead $sp, implicit $sp
- ; CHECK-NEXT: {{ $}}
- ; CHECK-NEXT: bb.3.exit (machine-block-address-taken, inlineasm-br-indirect-target):
- ; CHECK-NEXT: RET_ReallyLR
- bb.0.entry:
- successors: %bb.1(0x40000000), %bb.3(0x40000000)
- liveins: $w0
-
- TBZW killed renamable $w0, 0, %bb.3
- B %bb.1
-
- bb.1 (%ir-block.0):
- successors: %bb.2(0x80000000), %bb.3(0x00000000)
-
- INLINEASM_BR &"", 1 /* sideeffect attdialect */, 13 /* imm */, %bb.3
- B %bb.2
-
- bb.2 (%ir-block.1):
- successors: %bb.3(0x80000000)
-
- ADJCALLSTACKDOWN 0, 0, implicit-def dead $sp, implicit $sp
- BL @dosomething, csr_aarch64_aapcs, implicit-def dead $lr, implicit $sp, implicit-def $sp
- ADJCALLSTACKUP 0, 0, implicit-def dead $sp, implicit $sp
-
- bb.3.exit (machine-block-address-taken, inlineasm-br-indirect-target):
- RET_ReallyLR
-
-...
store i32 0, ptr @f, align 4, !tbaa !2
br label %if.end
-; DARWIN: Merging into block
+; DARWIN-NOT: Merging into block
; LINUX: Merging into block
if.end: ; preds = %entry.if.end_crit_edge, %if.then
define i32 @add_user(i32 %arg, ptr nocapture readnone %arg1, ptr nocapture readonly %arg2, ptr nocapture readonly %arg3) {
; CHECK-LE-LABEL: add_user:
; CHECK-LE: @ %bb.0: @ %entry
+; CHECK-LE-NEXT: .save {r4, lr}
+; CHECK-LE-NEXT: push {r4, lr}
; CHECK-LE-NEXT: cmp r0, #1
; CHECK-LE-NEXT: blt .LBB0_4
; CHECK-LE-NEXT: @ %bb.1: @ %for.body.preheader
-; CHECK-LE-NEXT: .save {r4, lr}
-; CHECK-LE-NEXT: push {r4, lr}
; CHECK-LE-NEXT: sub.w lr, r3, #2
; CHECK-LE-NEXT: subs r2, #2
; CHECK-LE-NEXT: mov.w r12, #0
; CHECK-LE-NEXT: sxtah r1, r1, r3
; CHECK-LE-NEXT: smlad r12, r4, r3, r12
; CHECK-LE-NEXT: bne .LBB0_2
-; CHECK-LE-NEXT: @ %bb.3:
-; CHECK-LE-NEXT: pop.w {r4, lr}
+; CHECK-LE-NEXT: @ %bb.3: @ %for.cond.cleanup
; CHECK-LE-NEXT: add.w r0, r12, r1
-; CHECK-LE-NEXT: bx lr
+; CHECK-LE-NEXT: pop {r4, pc}
; CHECK-LE-NEXT: .LBB0_4:
; CHECK-LE-NEXT: mov.w r12, #0
; CHECK-LE-NEXT: movs r1, #0
; CHECK-LE-NEXT: add.w r0, r12, r1
-; CHECK-LE-NEXT: bx lr
+; CHECK-LE-NEXT: pop {r4, pc}
;
; CHECK-BE-LABEL: add_user:
; CHECK-BE: @ %bb.0: @ %entry
+; CHECK-BE-NEXT: .save {r4, r5, r7, lr}
+; CHECK-BE-NEXT: push {r4, r5, r7, lr}
; CHECK-BE-NEXT: cmp r0, #1
; CHECK-BE-NEXT: blt .LBB0_4
; CHECK-BE-NEXT: @ %bb.1: @ %for.body.preheader
-; CHECK-BE-NEXT: .save {r4, r5, r7, lr}
-; CHECK-BE-NEXT: push {r4, r5, r7, lr}
; CHECK-BE-NEXT: subs r3, #2
; CHECK-BE-NEXT: subs r2, #2
; CHECK-BE-NEXT: mov.w r12, #0
; CHECK-BE-NEXT: ldrsh.w r4, [r3, #2]
; CHECK-BE-NEXT: smlabb r12, r5, r4, r12
; CHECK-BE-NEXT: bne .LBB0_2
-; CHECK-BE-NEXT: @ %bb.3:
-; CHECK-BE-NEXT: pop.w {r4, r5, r7, lr}
+; CHECK-BE-NEXT: @ %bb.3: @ %for.cond.cleanup
; CHECK-BE-NEXT: add.w r0, r12, r1
-; CHECK-BE-NEXT: bx lr
+; CHECK-BE-NEXT: pop {r4, r5, r7, pc}
; CHECK-BE-NEXT: .LBB0_4:
; CHECK-BE-NEXT: mov.w r12, #0
; CHECK-BE-NEXT: movs r1, #0
; CHECK-BE-NEXT: add.w r0, r12, r1
-; CHECK-BE-NEXT: bx lr
+; CHECK-BE-NEXT: pop {r4, r5, r7, pc}
entry:
%cmp24 = icmp sgt i32 %arg, 0
br i1 %cmp24, label %for.body.preheader, label %for.cond.cleanup
define i32 @mul_bottom_user(i32 %arg, ptr nocapture readnone %arg1, ptr nocapture readonly %arg2, ptr nocapture readonly %arg3) {
; CHECK-LE-LABEL: mul_bottom_user:
; CHECK-LE: @ %bb.0: @ %entry
+; CHECK-LE-NEXT: .save {r4, lr}
+; CHECK-LE-NEXT: push {r4, lr}
; CHECK-LE-NEXT: cmp r0, #1
; CHECK-LE-NEXT: blt .LBB1_4
; CHECK-LE-NEXT: @ %bb.1: @ %for.body.preheader
-; CHECK-LE-NEXT: .save {r4, lr}
-; CHECK-LE-NEXT: push {r4, lr}
; CHECK-LE-NEXT: sub.w lr, r3, #2
; CHECK-LE-NEXT: subs r2, #2
; CHECK-LE-NEXT: mov.w r12, #0
; CHECK-LE-NEXT: sxth r3, r3
; CHECK-LE-NEXT: mul r1, r3, r1
; CHECK-LE-NEXT: bne .LBB1_2
-; CHECK-LE-NEXT: @ %bb.3:
-; CHECK-LE-NEXT: pop.w {r4, lr}
+; CHECK-LE-NEXT: @ %bb.3: @ %for.cond.cleanup
; CHECK-LE-NEXT: add.w r0, r12, r1
-; CHECK-LE-NEXT: bx lr
+; CHECK-LE-NEXT: pop {r4, pc}
; CHECK-LE-NEXT: .LBB1_4:
; CHECK-LE-NEXT: mov.w r12, #0
; CHECK-LE-NEXT: movs r1, #0
; CHECK-LE-NEXT: add.w r0, r12, r1
-; CHECK-LE-NEXT: bx lr
+; CHECK-LE-NEXT: pop {r4, pc}
;
; CHECK-BE-LABEL: mul_bottom_user:
; CHECK-BE: @ %bb.0: @ %entry
+; CHECK-BE-NEXT: .save {r4, r5, r7, lr}
+; CHECK-BE-NEXT: push {r4, r5, r7, lr}
; CHECK-BE-NEXT: cmp r0, #1
; CHECK-BE-NEXT: blt .LBB1_4
; CHECK-BE-NEXT: @ %bb.1: @ %for.body.preheader
-; CHECK-BE-NEXT: .save {r4, r5, r7, lr}
-; CHECK-BE-NEXT: push {r4, r5, r7, lr}
; CHECK-BE-NEXT: subs r3, #2
; CHECK-BE-NEXT: subs r2, #2
; CHECK-BE-NEXT: mov.w r12, #0
; CHECK-BE-NEXT: ldrsh.w r4, [r3, #2]
; CHECK-BE-NEXT: smlabb r12, r5, r4, r12
; CHECK-BE-NEXT: bne .LBB1_2
-; CHECK-BE-NEXT: @ %bb.3:
-; CHECK-BE-NEXT: pop.w {r4, r5, r7, lr}
+; CHECK-BE-NEXT: @ %bb.3: @ %for.cond.cleanup
; CHECK-BE-NEXT: add.w r0, r12, r1
-; CHECK-BE-NEXT: bx lr
+; CHECK-BE-NEXT: pop {r4, r5, r7, pc}
; CHECK-BE-NEXT: .LBB1_4:
; CHECK-BE-NEXT: mov.w r12, #0
; CHECK-BE-NEXT: movs r1, #0
; CHECK-BE-NEXT: add.w r0, r12, r1
-; CHECK-BE-NEXT: bx lr
+; CHECK-BE-NEXT: pop {r4, r5, r7, pc}
entry:
%cmp24 = icmp sgt i32 %arg, 0
br i1 %cmp24, label %for.body.preheader, label %for.cond.cleanup
define i32 @mul_top_user(i32 %arg, ptr nocapture readnone %arg1, ptr nocapture readonly %arg2, ptr nocapture readonly %arg3) {
; CHECK-LE-LABEL: mul_top_user:
; CHECK-LE: @ %bb.0: @ %entry
+; CHECK-LE-NEXT: .save {r4, lr}
+; CHECK-LE-NEXT: push {r4, lr}
; CHECK-LE-NEXT: cmp r0, #1
; CHECK-LE-NEXT: blt .LBB2_4
; CHECK-LE-NEXT: @ %bb.1: @ %for.body.preheader
-; CHECK-LE-NEXT: .save {r4, lr}
-; CHECK-LE-NEXT: push {r4, lr}
; CHECK-LE-NEXT: subs r3, #2
; CHECK-LE-NEXT: subs r2, #2
; CHECK-LE-NEXT: mov.w r12, #0
; CHECK-LE-NEXT: asr.w r4, r4, #16
; CHECK-LE-NEXT: mul r1, r4, r1
; CHECK-LE-NEXT: bne .LBB2_2
-; CHECK-LE-NEXT: @ %bb.3:
-; CHECK-LE-NEXT: pop.w {r4, lr}
+; CHECK-LE-NEXT: @ %bb.3: @ %for.cond.cleanup
; CHECK-LE-NEXT: add.w r0, r12, r1
-; CHECK-LE-NEXT: bx lr
+; CHECK-LE-NEXT: pop {r4, pc}
; CHECK-LE-NEXT: .LBB2_4:
; CHECK-LE-NEXT: mov.w r12, #0
; CHECK-LE-NEXT: movs r1, #0
; CHECK-LE-NEXT: add.w r0, r12, r1
-; CHECK-LE-NEXT: bx lr
+; CHECK-LE-NEXT: pop {r4, pc}
;
; CHECK-BE-LABEL: mul_top_user:
; CHECK-BE: @ %bb.0: @ %entry
+; CHECK-BE-NEXT: .save {r4, lr}
+; CHECK-BE-NEXT: push {r4, lr}
; CHECK-BE-NEXT: cmp r0, #1
; CHECK-BE-NEXT: blt .LBB2_4
; CHECK-BE-NEXT: @ %bb.1: @ %for.body.preheader
-; CHECK-BE-NEXT: .save {r4, lr}
-; CHECK-BE-NEXT: push {r4, lr}
; CHECK-BE-NEXT: subs r3, #2
; CHECK-BE-NEXT: subs r2, #2
; CHECK-BE-NEXT: mov.w r12, #0
; CHECK-BE-NEXT: mul r1, r4, r1
; CHECK-BE-NEXT: smlabb r12, r4, lr, r12
; CHECK-BE-NEXT: bne .LBB2_2
-; CHECK-BE-NEXT: @ %bb.3:
-; CHECK-BE-NEXT: pop.w {r4, lr}
+; CHECK-BE-NEXT: @ %bb.3: @ %for.cond.cleanup
; CHECK-BE-NEXT: add.w r0, r12, r1
-; CHECK-BE-NEXT: bx lr
+; CHECK-BE-NEXT: pop {r4, pc}
; CHECK-BE-NEXT: .LBB2_4:
; CHECK-BE-NEXT: mov.w r12, #0
; CHECK-BE-NEXT: movs r1, #0
; CHECK-BE-NEXT: add.w r0, r12, r1
-; CHECK-BE-NEXT: bx lr
+; CHECK-BE-NEXT: pop {r4, pc}
entry:
%cmp24 = icmp sgt i32 %arg, 0
br i1 %cmp24, label %for.body.preheader, label %for.cond.cleanup
define i32 @and_user(i32 %arg, ptr nocapture readnone %arg1, ptr nocapture readonly %arg2, ptr nocapture readonly %arg3) {
; CHECK-LE-LABEL: and_user:
; CHECK-LE: @ %bb.0: @ %entry
+; CHECK-LE-NEXT: .save {r4, lr}
+; CHECK-LE-NEXT: push {r4, lr}
; CHECK-LE-NEXT: cmp r0, #1
; CHECK-LE-NEXT: blt .LBB3_4
; CHECK-LE-NEXT: @ %bb.1: @ %for.body.preheader
-; CHECK-LE-NEXT: .save {r4, lr}
-; CHECK-LE-NEXT: push {r4, lr}
; CHECK-LE-NEXT: sub.w lr, r3, #2
; CHECK-LE-NEXT: subs r2, #2
; CHECK-LE-NEXT: mov.w r12, #0
; CHECK-LE-NEXT: uxth r3, r3
; CHECK-LE-NEXT: mul r1, r3, r1
; CHECK-LE-NEXT: bne .LBB3_2
-; CHECK-LE-NEXT: @ %bb.3:
-; CHECK-LE-NEXT: pop.w {r4, lr}
+; CHECK-LE-NEXT: @ %bb.3: @ %for.cond.cleanup
; CHECK-LE-NEXT: add.w r0, r12, r1
-; CHECK-LE-NEXT: bx lr
+; CHECK-LE-NEXT: pop {r4, pc}
; CHECK-LE-NEXT: .LBB3_4:
; CHECK-LE-NEXT: mov.w r12, #0
; CHECK-LE-NEXT: movs r1, #0
; CHECK-LE-NEXT: add.w r0, r12, r1
-; CHECK-LE-NEXT: bx lr
+; CHECK-LE-NEXT: pop {r4, pc}
;
; CHECK-BE-LABEL: and_user:
; CHECK-BE: @ %bb.0: @ %entry
+; CHECK-BE-NEXT: .save {r4, r5, r7, lr}
+; CHECK-BE-NEXT: push {r4, r5, r7, lr}
; CHECK-BE-NEXT: cmp r0, #1
; CHECK-BE-NEXT: blt .LBB3_4
; CHECK-BE-NEXT: @ %bb.1: @ %for.body.preheader
-; CHECK-BE-NEXT: .save {r4, r5, r7, lr}
-; CHECK-BE-NEXT: push {r4, r5, r7, lr}
; CHECK-BE-NEXT: subs r3, #2
; CHECK-BE-NEXT: subs r2, #2
; CHECK-BE-NEXT: mov.w r12, #0
; CHECK-BE-NEXT: ldrsh.w r4, [r3, #2]
; CHECK-BE-NEXT: smlabb r12, r5, r4, r12
; CHECK-BE-NEXT: bne .LBB3_2
-; CHECK-BE-NEXT: @ %bb.3:
-; CHECK-BE-NEXT: pop.w {r4, r5, r7, lr}
+; CHECK-BE-NEXT: @ %bb.3: @ %for.cond.cleanup
; CHECK-BE-NEXT: add.w r0, r12, r1
-; CHECK-BE-NEXT: bx lr
+; CHECK-BE-NEXT: pop {r4, r5, r7, pc}
; CHECK-BE-NEXT: .LBB3_4:
; CHECK-BE-NEXT: mov.w r12, #0
; CHECK-BE-NEXT: movs r1, #0
; CHECK-BE-NEXT: add.w r0, r12, r1
-; CHECK-BE-NEXT: bx lr
+; CHECK-BE-NEXT: pop {r4, r5, r7, pc}
entry:
%cmp24 = icmp sgt i32 %arg, 0
br i1 %cmp24, label %for.body.preheader, label %for.cond.cleanup
br i1 %0, label %bb2, label %bb
bb:
+; CHECK: LBB0_1:
; CHECK: LBB0_[[LABEL:[0-9]]]:
; CHECK: bne LBB0_[[LABEL]]
; CHECK-NOT: b LBB0_[[LABEL]]
-; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py UTC_ARGS: --version 2
; RUN: llc < %s | FileCheck %s
target datalayout = "e-m:e-p:32:32-Fi8-i64:64-v128:64:128-a:0:32-n32-S64"
target triple = "thumbv7-unknown-linux-gnueabihf"
%List = type { i32, ptr }
; The entry block should be the first block of the function.
+; CHECK-LABEL: foo
+; CHECK: %entry
+; CHECK: %for.body
+; CHECK: %for.inc
+; CHECK: %if.then
+; CHECK: %for.cond.i
+; CHECK: %for.body.i
+; CHECK: %return
define i1 @foo(ptr %ha, i32 %he) !prof !39 {
-; CHECK-LABEL: foo:
-; CHECK: @ %bb.0: @ %entry
-; CHECK-NEXT: ldr r2, [r0]
-; CHECK-NEXT: cmp r2, #0
-; CHECK-NEXT: itt eq
-; CHECK-NEXT: moveq r0, #0
-; CHECK-NEXT: bxeq lr
-; CHECK-NEXT: .LBB0_1: @ %for.body.preheader
-; CHECK-NEXT: .save {r7, lr}
-; CHECK-NEXT: push {r7, lr}
-; CHECK-NEXT: b .LBB0_3
-; CHECK-NEXT: .LBB0_2: @ %for.inc
-; CHECK-NEXT: @ in Loop: Header=BB0_3 Depth=1
-; CHECK-NEXT: ldr r2, [r2]
-; CHECK-NEXT: movs r0, #0
-; CHECK-NEXT: cmp r2, #0
-; CHECK-NEXT: it eq
-; CHECK-NEXT: popeq {r7, pc}
-; CHECK-NEXT: .LBB0_3: @ %for.body
-; CHECK-NEXT: @ =>This Loop Header: Depth=1
-; CHECK-NEXT: @ Child Loop BB0_5 Depth 2
-; CHECK-NEXT: ldr r0, [r2, #4]
-; CHECK-NEXT: cmp r0, #0
-; CHECK-NEXT: beq .LBB0_2
-; CHECK-NEXT: @ %bb.4: @ %if.then
-; CHECK-NEXT: @ in Loop: Header=BB0_3 Depth=1
-; CHECK-NEXT: ldrd r3, r0, [r0]
-; CHECK-NEXT: sub.w r12, r0, #4
-; CHECK-NEXT: .LBB0_5: @ %for.cond.i
-; CHECK-NEXT: @ Parent Loop BB0_3 Depth=1
-; CHECK-NEXT: @ => This Inner Loop Header: Depth=2
-; CHECK-NEXT: cmp r3, #1
-; CHECK-NEXT: blt .LBB0_2
-; CHECK-NEXT: @ %bb.6: @ %for.body.i
-; CHECK-NEXT: @ in Loop: Header=BB0_5 Depth=2
-; CHECK-NEXT: ldr.w lr, [r12, r3, lsl #2]
-; CHECK-NEXT: subs r3, #1
-; CHECK-NEXT: movs r0, #1
-; CHECK-NEXT: cmp lr, r1
-; CHECK-NEXT: bne .LBB0_5
-; CHECK-NEXT: @ %bb.7:
-; CHECK-NEXT: pop {r7, pc}
entry:
%TargetPtr = load ptr, ptr %ha, align 4
%cmp1 = icmp eq ptr %TargetPtr, null
define void @ssat_unroll(ptr %pSrcA, ptr %pSrcB, ptr %pDst, i32 %blockSize) {
; CHECK-LABEL: ssat_unroll:
; CHECK: @ %bb.0: @ %entry
-; CHECK-NEXT: cmp r3, #0
-; CHECK-NEXT: bxeq lr
-; CHECK-NEXT: .LBB0_1: @ %while.body.preheader
; CHECK-NEXT: .save {r11, lr}
; CHECK-NEXT: push {r11, lr}
+; CHECK-NEXT: cmp r3, #0
+; CHECK-NEXT: beq .LBB0_5
+; CHECK-NEXT: @ %bb.1: @ %while.body.preheader
; CHECK-NEXT: sub r12, r3, #1
; CHECK-NEXT: tst r3, #1
; CHECK-NEXT: beq .LBB0_3
; CHECK-NEXT: mov r3, r12
; CHECK-NEXT: .LBB0_3: @ %while.body.prol.loopexit
; CHECK-NEXT: cmp r12, #0
-; CHECK-NEXT: beq .LBB0_5
+; CHECK-NEXT: popeq {r11, pc}
; CHECK-NEXT: .LBB0_4: @ %while.body
; CHECK-NEXT: @ =>This Inner Loop Header: Depth=1
; CHECK-NEXT: ldrsh r12, [r0]
; CHECK-NEXT: strh r12, [r2, #2]
; CHECK-NEXT: add r2, r2, #4
; CHECK-NEXT: bne .LBB0_4
-; CHECK-NEXT: .LBB0_5:
-; CHECK-NEXT: pop {r11, lr}
-; CHECK-NEXT: bx lr
+; CHECK-NEXT: .LBB0_5: @ %while.end
+; CHECK-NEXT: pop {r11, pc}
entry:
%cmp.not7 = icmp eq i32 %blockSize, 0
br i1 %cmp.not7, label %while.end, label %while.body.preheader
define void @ssat_unroll_minmax(ptr nocapture readonly %pSrcA, ptr nocapture readonly %pSrcB, ptr nocapture writeonly %pDst, i32 %blockSize) {
; CHECK-LABEL: ssat_unroll_minmax:
; CHECK: @ %bb.0: @ %entry
-; CHECK-NEXT: cmp r3, #0
-; CHECK-NEXT: bxeq lr
-; CHECK-NEXT: .LBB1_1: @ %while.body.preheader
; CHECK-NEXT: .save {r11, lr}
; CHECK-NEXT: push {r11, lr}
+; CHECK-NEXT: cmp r3, #0
+; CHECK-NEXT: beq .LBB1_5
+; CHECK-NEXT: @ %bb.1: @ %while.body.preheader
; CHECK-NEXT: sub r12, r3, #1
; CHECK-NEXT: tst r3, #1
; CHECK-NEXT: beq .LBB1_3
; CHECK-NEXT: mov r3, r12
; CHECK-NEXT: .LBB1_3: @ %while.body.prol.loopexit
; CHECK-NEXT: cmp r12, #0
-; CHECK-NEXT: beq .LBB1_5
+; CHECK-NEXT: popeq {r11, pc}
; CHECK-NEXT: .LBB1_4: @ %while.body
; CHECK-NEXT: @ =>This Inner Loop Header: Depth=1
; CHECK-NEXT: ldrsh r12, [r0]
; CHECK-NEXT: strh r12, [r2, #2]
; CHECK-NEXT: add r2, r2, #4
; CHECK-NEXT: bne .LBB1_4
-; CHECK-NEXT: .LBB1_5:
-; CHECK-NEXT: pop {r11, lr}
-; CHECK-NEXT: bx lr
+; CHECK-NEXT: .LBB1_5: @ %while.end
+; CHECK-NEXT: pop {r11, pc}
entry:
%cmp.not7 = icmp eq i32 %blockSize, 0
br i1 %cmp.not7, label %while.end, label %while.body.preheader
; CHECK: # %bb.0: # %entry
; CHECK-NEXT: cmplwi r6, 0
; CHECK-NEXT: cmpwi cr1, r6, 0
+; CHECK-NEXT: stw r30, -8(r1) # 4-byte Folded Spill
+; CHECK-NEXT: stw r31, -4(r1) # 4-byte Folded Spill
; CHECK-NEXT: crandc 4*cr5+lt, 4*cr1+lt, eq
; CHECK-NEXT: cmpwi cr1, r7, 0
-; CHECK-NEXT: bc 12, 4*cr5+lt, L..BB0_6
+; CHECK-NEXT: bc 12, 4*cr5+lt, L..BB0_5
; CHECK-NEXT: # %bb.1: # %entry
; CHECK-NEXT: crand 4*cr5+lt, eq, 4*cr1+eq
-; CHECK-NEXT: bc 12, 4*cr5+lt, L..BB0_6
+; CHECK-NEXT: bc 12, 4*cr5+lt, L..BB0_5
; CHECK-NEXT: # %bb.2: # %for.body.preheader
; CHECK-NEXT: slwi r8, r4, 1
; CHECK-NEXT: li r10, 0
; CHECK-NEXT: li r11, 0
-; CHECK-NEXT: stw r30, -8(r1) # 4-byte Folded Spill
; CHECK-NEXT: add r8, r4, r8
-; CHECK-NEXT: stw r31, -4(r1) # 4-byte Folded Spill
; CHECK-NEXT: add r9, r5, r8
; CHECK-NEXT: add r5, r5, r4
; CHECK-NEXT: add r8, r3, r5
; CHECK-NEXT: #
; CHECK-NEXT: crand 4*cr5+lt, eq, 4*cr1+lt
; CHECK-NEXT: bc 12, 4*cr5+lt, L..BB0_3
-; CHECK-NEXT: # %bb.5:
+; CHECK-NEXT: b L..BB0_6
+; CHECK-NEXT: L..BB0_5:
+; CHECK-NEXT: li r3, 0
+; CHECK-NEXT: li r5, 0
+; CHECK-NEXT: L..BB0_6: # %for.cond.cleanup
; CHECK-NEXT: lwz r31, -4(r1) # 4-byte Folded Reload
; CHECK-NEXT: lwz r30, -8(r1) # 4-byte Folded Reload
; CHECK-NEXT: mr r4, r5
; CHECK-NEXT: blr
-; CHECK-NEXT: L..BB0_6:
-; CHECK-NEXT: li r3, 0
-; CHECK-NEXT: li r4, 0
-; CHECK-NEXT: blr
entry:
%add = add nsw i32 %base1, %offset
%mul = shl nsw i32 %offset, 1
; CHECK-LABEL: not_perfect_chain_all_same_offset_fail:
; CHECK: # %bb.0: # %entry
; CHECK-NEXT: cmpdi r6, 0
+; CHECK-NEXT: std r30, -16(r1) # 8-byte Folded Spill
; CHECK-NEXT: ble cr0, .LBB1_4
; CHECK-NEXT: # %bb.1: # %for.body.preheader
-; CHECK-NEXT: std r30, -16(r1) # 8-byte Folded Spill
; CHECK-NEXT: sldi r7, r4, 1
+; CHECK-NEXT: sldi r9, r4, 2
; CHECK-NEXT: add r5, r3, r5
; CHECK-NEXT: li r3, 0
; CHECK-NEXT: add r8, r4, r7
-; CHECK-NEXT: sldi r9, r4, 2
; CHECK-NEXT: mtctr r6
; CHECK-NEXT: add r10, r4, r9
; CHECK-NEXT: .p2align 4
; CHECK-NEXT: mulld r6, r6, r0
; CHECK-NEXT: maddld r3, r6, r30, r3
; CHECK-NEXT: bdnz .LBB1_2
-; CHECK-NEXT: # %bb.3:
+; CHECK-NEXT: # %bb.3: # %for.cond.cleanup
; CHECK-NEXT: ld r30, -16(r1) # 8-byte Folded Reload
; CHECK-NEXT: blr
; CHECK-NEXT: .LBB1_4:
; CHECK-NEXT: li r3, 0
+; CHECK-NEXT: ld r30, -16(r1) # 8-byte Folded Reload
; CHECK-NEXT: blr
entry:
%mul = shl nsw i64 %offset, 1
; CHECK-LABEL: not_same_offset_fail:
; CHECK: # %bb.0: # %entry
; CHECK-NEXT: cmpdi r6, 0
-; CHECK-NEXT: ble cr0, .LBB4_4
-; CHECK-NEXT: # %bb.1: # %for.body.preheader
; CHECK-NEXT: std r28, -32(r1) # 8-byte Folded Spill
; CHECK-NEXT: std r29, -24(r1) # 8-byte Folded Spill
-; CHECK-NEXT: add r5, r3, r5
-; CHECK-NEXT: li r3, 0
; CHECK-NEXT: std r30, -16(r1) # 8-byte Folded Spill
-; CHECK-NEXT: mtctr r6
+; CHECK-NEXT: ble cr0, .LBB4_3
+; CHECK-NEXT: # %bb.1: # %for.body.preheader
; CHECK-NEXT: mulli r11, r4, 10
; CHECK-NEXT: sldi r8, r4, 2
+; CHECK-NEXT: add r5, r3, r5
+; CHECK-NEXT: li r3, 0
; CHECK-NEXT: add r8, r4, r8
; CHECK-NEXT: sldi r9, r4, 3
-; CHECK-NEXT: sub r10, r9, r4
+; CHECK-NEXT: mtctr r6
; CHECK-NEXT: sldi r7, r4, 1
+; CHECK-NEXT: sub r10, r9, r4
; CHECK-NEXT: .p2align 4
; CHECK-NEXT: .LBB4_2: # %for.body
; CHECK-NEXT: #
; CHECK-NEXT: mulld r6, r6, r29
; CHECK-NEXT: maddld r3, r6, r28, r3
; CHECK-NEXT: bdnz .LBB4_2
-; CHECK-NEXT: # %bb.3:
+; CHECK-NEXT: b .LBB4_4
+; CHECK-NEXT: .LBB4_3:
+; CHECK-NEXT: li r3, 0
+; CHECK-NEXT: .LBB4_4: # %for.cond.cleanup
; CHECK-NEXT: ld r30, -16(r1) # 8-byte Folded Reload
; CHECK-NEXT: ld r29, -24(r1) # 8-byte Folded Reload
; CHECK-NEXT: ld r28, -32(r1) # 8-byte Folded Reload
; CHECK-NEXT: blr
-; CHECK-NEXT: .LBB4_4:
-; CHECK-NEXT: li r3, 0
-; CHECK-NEXT: blr
entry:
%mul = shl nsw i64 %offset, 1
%mul2 = mul nsw i64 %offset, 5
; CHECK-LABEL: test_max_number_reminder:
; CHECK: # %bb.0: # %bb
; CHECK-NEXT: cmplwi r4, 0
-; CHECK-NEXT: beq cr0, .LBB2_4
+; CHECK-NEXT: std r25, -56(r1) # 8-byte Folded Spill
+; CHECK-NEXT: std r26, -48(r1) # 8-byte Folded Spill
+; CHECK-NEXT: std r27, -40(r1) # 8-byte Folded Spill
+; CHECK-NEXT: std r28, -32(r1) # 8-byte Folded Spill
+; CHECK-NEXT: std r29, -24(r1) # 8-byte Folded Spill
+; CHECK-NEXT: std r30, -16(r1) # 8-byte Folded Spill
+; CHECK-NEXT: beq cr0, .LBB2_3
; CHECK-NEXT: # %bb.1: # %bb3.preheader
; CHECK-NEXT: cmpldi r4, 1
; CHECK-NEXT: li r5, 1
; CHECK-NEXT: addi r9, r3, 4002
-; CHECK-NEXT: std r25, -56(r1) # 8-byte Folded Spill
; CHECK-NEXT: li r6, -1
-; CHECK-NEXT: std r26, -48(r1) # 8-byte Folded Spill
; CHECK-NEXT: li r7, 3
; CHECK-NEXT: li r8, 5
; CHECK-NEXT: li r10, 9
-; CHECK-NEXT: std r27, -40(r1) # 8-byte Folded Spill
-; CHECK-NEXT: std r28, -32(r1) # 8-byte Folded Spill
-; CHECK-NEXT: std r29, -24(r1) # 8-byte Folded Spill
-; CHECK-NEXT: std r30, -16(r1) # 8-byte Folded Spill
; CHECK-NEXT: iselgt r3, r4, r5
; CHECK-NEXT: mtctr r3
; CHECK-NEXT: li r3, 0
; CHECK-NEXT: mulld r11, r11, r26
; CHECK-NEXT: maddld r3, r11, r25, r3
; CHECK-NEXT: bdnz .LBB2_2
-; CHECK-NEXT: # %bb.3:
+; CHECK-NEXT: b .LBB2_4
+; CHECK-NEXT: .LBB2_3:
+; CHECK-NEXT: li r3, 0
+; CHECK-NEXT: .LBB2_4: # %bb45
; CHECK-NEXT: ld r30, -16(r1) # 8-byte Folded Reload
; CHECK-NEXT: ld r29, -24(r1) # 8-byte Folded Reload
; CHECK-NEXT: ld r28, -32(r1) # 8-byte Folded Reload
; CHECK-NEXT: ld r26, -48(r1) # 8-byte Folded Reload
; CHECK-NEXT: ld r25, -56(r1) # 8-byte Folded Reload
; CHECK-NEXT: blr
-; CHECK-NEXT: .LBB2_4:
-; CHECK-NEXT: addi r3, r4, 0
-; CHECK-NEXT: blr
bb:
%i = sext i32 %arg1 to i64
%i2 = icmp eq i32 %arg1, 0
; CHECK-LABEL: test_ds_multiple_chains:
; CHECK: # %bb.0: # %bb
; CHECK-NEXT: cmplwi r5, 0
-; CHECK-NEXT: beq cr0, .LBB5_4
+; CHECK-NEXT: std r30, -16(r1) # 8-byte Folded Spill
+; CHECK-NEXT: beq cr0, .LBB5_3
; CHECK-NEXT: # %bb.1: # %bb4.preheader
; CHECK-NEXT: cmpldi r5, 1
; CHECK-NEXT: li r6, 1
-; CHECK-NEXT: std r30, -16(r1) # 8-byte Folded Spill
; CHECK-NEXT: addi r3, r3, 4001
; CHECK-NEXT: addi r4, r4, 4001
; CHECK-NEXT: li r7, 9
; CHECK-NEXT: mulld r8, r8, r30
; CHECK-NEXT: maddld r6, r8, r9, r6
; CHECK-NEXT: bdnz .LBB5_2
-; CHECK-NEXT: # %bb.3:
+; CHECK-NEXT: b .LBB5_4
+; CHECK-NEXT: .LBB5_3:
+; CHECK-NEXT: li r6, 0
+; CHECK-NEXT: .LBB5_4: # %bb43
; CHECK-NEXT: ld r30, -16(r1) # 8-byte Folded Reload
; CHECK-NEXT: add r3, r6, r5
; CHECK-NEXT: blr
-; CHECK-NEXT: .LBB5_4:
-; CHECK-NEXT: addi r3, r5, 0
-; CHECK-NEXT: blr
bb:
%i = sext i32 %arg2 to i64
%i3 = icmp eq i32 %arg2, 0
; CHECK-LABEL: test_ds_cross_basic_blocks:
; CHECK: # %bb.0: # %bb
; CHECK-NEXT: cmplwi r4, 0
-; CHECK-NEXT: beq cr0, .LBB6_9
+; CHECK-NEXT: std r28, -32(r1) # 8-byte Folded Spill
+; CHECK-NEXT: std r29, -24(r1) # 8-byte Folded Spill
+; CHECK-NEXT: std r30, -16(r1) # 8-byte Folded Spill
+; CHECK-NEXT: beq cr0, .LBB6_8
; CHECK-NEXT: # %bb.1: # %bb3
; CHECK-NEXT: addis r5, r2, .LC0@toc@ha
; CHECK-NEXT: cmpldi r4, 1
; CHECK-NEXT: li r7, 1
; CHECK-NEXT: addi r6, r3, 4009
-; CHECK-NEXT: std r28, -32(r1) # 8-byte Folded Spill
; CHECK-NEXT: ld r5, .LC0@toc@l(r5)
; CHECK-NEXT: iselgt r3, r4, r7
-; CHECK-NEXT: std r29, -24(r1) # 8-byte Folded Spill
-; CHECK-NEXT: std r30, -16(r1) # 8-byte Folded Spill
; CHECK-NEXT: li r4, -7
; CHECK-NEXT: li r8, -6
; CHECK-NEXT: li r9, 1
; CHECK-NEXT: mulld r0, r0, r10
; CHECK-NEXT: mulld r0, r0, r9
; CHECK-NEXT: maddld r3, r0, r7, r3
-; CHECK-NEXT: bdz .LBB6_8
+; CHECK-NEXT: bdz .LBB6_9
; CHECK-NEXT: .LBB6_4: # %bb5
; CHECK-NEXT: #
; CHECK-NEXT: lbzu r0, 1(r5)
; CHECK-NEXT: add r7, r0, r7
; CHECK-NEXT: b .LBB6_3
; CHECK-NEXT: .LBB6_8:
+; CHECK-NEXT: li r3, 0
+; CHECK-NEXT: .LBB6_9: # %bb64
; CHECK-NEXT: ld r30, -16(r1) # 8-byte Folded Reload
; CHECK-NEXT: ld r29, -24(r1) # 8-byte Folded Reload
; CHECK-NEXT: ld r28, -32(r1) # 8-byte Folded Reload
; CHECK-NEXT: blr
-; CHECK-NEXT: .LBB6_9:
-; CHECK-NEXT: li r3, 0
-; CHECK-NEXT: blr
bb:
%i = sext i32 %arg1 to i64
%i2 = icmp eq i32 %arg1, 0
; CHECK-LABEL: foo:
; CHECK: # %bb.0:
; CHECK-NEXT: cmpd 5, 7
-; CHECK-NEXT: bgelr 0
-; CHECK-NEXT: # %bb.1: # %.preheader
+; CHECK-NEXT: std 22, -80(1) # 8-byte Folded Spill
+; CHECK-NEXT: std 23, -72(1) # 8-byte Folded Spill
+; CHECK-NEXT: std 24, -64(1) # 8-byte Folded Spill
+; CHECK-NEXT: std 25, -56(1) # 8-byte Folded Spill
+; CHECK-NEXT: std 26, -48(1) # 8-byte Folded Spill
; CHECK-NEXT: std 27, -40(1) # 8-byte Folded Spill
-; CHECK-NEXT: addi 27, 5, 2
; CHECK-NEXT: std 28, -32(1) # 8-byte Folded Spill
-; CHECK-NEXT: addi 28, 5, 3
+; CHECK-NEXT: std 29, -24(1) # 8-byte Folded Spill
; CHECK-NEXT: std 30, -16(1) # 8-byte Folded Spill
+; CHECK-NEXT: bge 0, .LBB0_6
+; CHECK-NEXT: # %bb.1: # %.preheader
; CHECK-NEXT: addi 30, 5, 1
+; CHECK-NEXT: addi 28, 5, 3
+; CHECK-NEXT: addi 27, 5, 2
; CHECK-NEXT: mulld 12, 8, 5
-; CHECK-NEXT: mulld 0, 9, 8
-; CHECK-NEXT: std 29, -24(1) # 8-byte Folded Spill
; CHECK-NEXT: addi 29, 3, 16
+; CHECK-NEXT: mulld 0, 9, 8
; CHECK-NEXT: sldi 11, 10, 3
-; CHECK-NEXT: std 22, -80(1) # 8-byte Folded Spill
-; CHECK-NEXT: std 23, -72(1) # 8-byte Folded Spill
-; CHECK-NEXT: std 24, -64(1) # 8-byte Folded Spill
-; CHECK-NEXT: std 25, -56(1) # 8-byte Folded Spill
-; CHECK-NEXT: std 26, -48(1) # 8-byte Folded Spill
; CHECK-NEXT: mulld 30, 8, 30
; CHECK-NEXT: mulld 28, 8, 28
; CHECK-NEXT: mulld 8, 8, 27
; POWERPC64-LABEL: shrinkwrapme:
; POWERPC64: # %bb.0: # %entry
; POWERPC64-NEXT: cmpwi 4, 0
-; POWERPC64-NEXT: ble 0, .LBB0_4
-; POWERPC64-NEXT: # %bb.1: # %for.body.preheader
-; POWERPC64-NEXT: addi 4, 4, -1
; POWERPC64-NEXT: std 14, -144(1) # 8-byte Folded Spill
; POWERPC64-NEXT: std 15, -136(1) # 8-byte Folded Spill
; POWERPC64-NEXT: std 16, -128(1) # 8-byte Folded Spill
; POWERPC64-NEXT: std 26, -48(1) # 8-byte Folded Spill
; POWERPC64-NEXT: std 27, -40(1) # 8-byte Folded Spill
; POWERPC64-NEXT: std 28, -32(1) # 8-byte Folded Spill
-; POWERPC64-NEXT: clrldi 4, 4, 32
-; POWERPC64-NEXT: addi 4, 4, 1
; POWERPC64-NEXT: std 29, -24(1) # 8-byte Folded Spill
; POWERPC64-NEXT: std 30, -16(1) # 8-byte Folded Spill
; POWERPC64-NEXT: std 31, -8(1) # 8-byte Folded Spill
+; POWERPC64-NEXT: ble 0, .LBB0_3
+; POWERPC64-NEXT: # %bb.1: # %for.body.preheader
+; POWERPC64-NEXT: addi 4, 4, -1
+; POWERPC64-NEXT: clrldi 4, 4, 32
+; POWERPC64-NEXT: addi 4, 4, 1
; POWERPC64-NEXT: mtctr 4
; POWERPC64-NEXT: li 4, 0
; POWERPC64-NEXT: .p2align 4
; POWERPC64-NEXT: add 4, 3, 4
; POWERPC64-NEXT: #NO_APP
; POWERPC64-NEXT: bdnz .LBB0_2
-; POWERPC64-NEXT: # %bb.3:
+; POWERPC64-NEXT: b .LBB0_4
+; POWERPC64-NEXT: .LBB0_3:
+; POWERPC64-NEXT: li 4, 0
+; POWERPC64-NEXT: .LBB0_4: # %for.cond.cleanup
; POWERPC64-NEXT: ld 31, -8(1) # 8-byte Folded Reload
; POWERPC64-NEXT: ld 30, -16(1) # 8-byte Folded Reload
; POWERPC64-NEXT: ld 29, -24(1) # 8-byte Folded Reload
; POWERPC64-NEXT: ld 15, -136(1) # 8-byte Folded Reload
; POWERPC64-NEXT: ld 14, -144(1) # 8-byte Folded Reload
; POWERPC64-NEXT: blr
-; POWERPC64-NEXT: .LBB0_4:
-; POWERPC64-NEXT: li 4, 0
-; POWERPC64-NEXT: extsw 3, 4
-; POWERPC64-NEXT: blr
;
; POWERPC32-AIX-LABEL: shrinkwrapme:
; POWERPC32-AIX: # %bb.0: # %entry
; POWERPC32-AIX-NEXT: cmpwi 4, 0
-; POWERPC32-AIX-NEXT: ble 0, L..BB0_4
-; POWERPC32-AIX-NEXT: # %bb.1: # %for.body.preheader
; POWERPC32-AIX-NEXT: stw 14, -72(1) # 4-byte Folded Spill
; POWERPC32-AIX-NEXT: stw 15, -68(1) # 4-byte Folded Spill
; POWERPC32-AIX-NEXT: stw 16, -64(1) # 4-byte Folded Spill
; POWERPC32-AIX-NEXT: stw 29, -12(1) # 4-byte Folded Spill
; POWERPC32-AIX-NEXT: stw 30, -8(1) # 4-byte Folded Spill
; POWERPC32-AIX-NEXT: stw 31, -4(1) # 4-byte Folded Spill
+; POWERPC32-AIX-NEXT: ble 0, L..BB0_3
+; POWERPC32-AIX-NEXT: # %bb.1: # %for.body.preheader
; POWERPC32-AIX-NEXT: mtctr 4
; POWERPC32-AIX-NEXT: li 4, 0
; POWERPC32-AIX-NEXT: .align 4
; POWERPC32-AIX-NEXT: add 4, 3, 4
; POWERPC32-AIX-NEXT: #NO_APP
; POWERPC32-AIX-NEXT: bdnz L..BB0_2
-; POWERPC32-AIX-NEXT: # %bb.3:
+; POWERPC32-AIX-NEXT: b L..BB0_4
+; POWERPC32-AIX-NEXT: L..BB0_3:
+; POWERPC32-AIX-NEXT: li 4, 0
+; POWERPC32-AIX-NEXT: L..BB0_4: # %for.cond.cleanup
; POWERPC32-AIX-NEXT: lwz 31, -4(1) # 4-byte Folded Reload
; POWERPC32-AIX-NEXT: lwz 30, -8(1) # 4-byte Folded Reload
; POWERPC32-AIX-NEXT: lwz 29, -12(1) # 4-byte Folded Reload
; POWERPC32-AIX-NEXT: lwz 15, -68(1) # 4-byte Folded Reload
; POWERPC32-AIX-NEXT: lwz 14, -72(1) # 4-byte Folded Reload
; POWERPC32-AIX-NEXT: blr
-; POWERPC32-AIX-NEXT: L..BB0_4:
-; POWERPC32-AIX-NEXT: li 3, 0
-; POWERPC32-AIX-NEXT: blr
;
; POWERPC64-AIX-LABEL: shrinkwrapme:
; POWERPC64-AIX: # %bb.0: # %entry
; POWERPC64-AIX-NEXT: cmpwi 4, 1
-; POWERPC64-AIX-NEXT: blt 0, L..BB0_4
-; POWERPC64-AIX-NEXT: # %bb.1: # %for.body.preheader
-; POWERPC64-AIX-NEXT: addi 4, 4, -1
; POWERPC64-AIX-NEXT: std 14, -144(1) # 8-byte Folded Spill
; POWERPC64-AIX-NEXT: std 15, -136(1) # 8-byte Folded Spill
; POWERPC64-AIX-NEXT: std 16, -128(1) # 8-byte Folded Spill
; POWERPC64-AIX-NEXT: std 26, -48(1) # 8-byte Folded Spill
; POWERPC64-AIX-NEXT: std 27, -40(1) # 8-byte Folded Spill
; POWERPC64-AIX-NEXT: std 28, -32(1) # 8-byte Folded Spill
-; POWERPC64-AIX-NEXT: clrldi 4, 4, 32
-; POWERPC64-AIX-NEXT: addi 4, 4, 1
; POWERPC64-AIX-NEXT: std 29, -24(1) # 8-byte Folded Spill
; POWERPC64-AIX-NEXT: std 30, -16(1) # 8-byte Folded Spill
; POWERPC64-AIX-NEXT: std 31, -8(1) # 8-byte Folded Spill
+; POWERPC64-AIX-NEXT: blt 0, L..BB0_3
+; POWERPC64-AIX-NEXT: # %bb.1: # %for.body.preheader
+; POWERPC64-AIX-NEXT: addi 4, 4, -1
+; POWERPC64-AIX-NEXT: clrldi 4, 4, 32
+; POWERPC64-AIX-NEXT: addi 4, 4, 1
; POWERPC64-AIX-NEXT: mtctr 4
; POWERPC64-AIX-NEXT: li 4, 0
; POWERPC64-AIX-NEXT: .align 4
; POWERPC64-AIX-NEXT: add 4, 3, 4
; POWERPC64-AIX-NEXT: #NO_APP
; POWERPC64-AIX-NEXT: bdnz L..BB0_2
-; POWERPC64-AIX-NEXT: # %bb.3:
+; POWERPC64-AIX-NEXT: b L..BB0_4
+; POWERPC64-AIX-NEXT: L..BB0_3:
+; POWERPC64-AIX-NEXT: li 4, 0
+; POWERPC64-AIX-NEXT: L..BB0_4: # %for.cond.cleanup
; POWERPC64-AIX-NEXT: ld 31, -8(1) # 8-byte Folded Reload
; POWERPC64-AIX-NEXT: ld 30, -16(1) # 8-byte Folded Reload
; POWERPC64-AIX-NEXT: ld 29, -24(1) # 8-byte Folded Reload
; POWERPC64-AIX-NEXT: ld 15, -136(1) # 8-byte Folded Reload
; POWERPC64-AIX-NEXT: ld 14, -144(1) # 8-byte Folded Reload
; POWERPC64-AIX-NEXT: blr
-; POWERPC64-AIX-NEXT: L..BB0_4:
-; POWERPC64-AIX-NEXT: li 4, 0
-; POWERPC64-AIX-NEXT: extsw 3, 4
-; POWERPC64-AIX-NEXT: blr
entry:
%cmp5 = icmp sgt i32 %lim, 0
br i1 %cmp5, label %for.body.preheader, label %for.cond.cleanup
...
---
name: shrinkwrapme
+alignment: 16
+exposesReturnsTwice: false
+legalized: false
+regBankSelected: false
+selected: false
+failedISel: false
tracksRegLiveness: true
+hasWinCFI: false
+registers: []
+liveins:
+ - { reg: '$x3', virtual-reg: '' }
+ - { reg: '$x4', virtual-reg: '' }
+frameInfo:
+ isFrameAddressTaken: false
+ isReturnAddressTaken: false
+ hasStackMap: false
+ hasPatchPoint: false
+ stackSize: 0
+ offsetAdjustment: 0
+ maxAlignment: 0
+ adjustsStack: false
+ hasCalls: false
+ stackProtector: ''
+ maxCallFrameSize: 4294967295
+ cvBytesOfCalleeSavedRegisters: 0
+ hasOpaqueSPAdjustment: false
+ hasVAStart: false
+ hasMustTailInVarArgFunc: false
+ localFrameSize: 0
+ savePoint: ''
+ restorePoint: ''
+fixedStack: []
+stack: []
+callSites: []
+constants: []
+machineFunctionInfo: {}
body: |
; CHECK-LABEL: name: shrinkwrapme
; CHECK: bb.0.entry:
; CHECK-NEXT: BLR8 implicit $lr8, implicit $rm, implicit $x3
; CHECK-NEXT: {{ $}}
; CHECK-NEXT: bb.4.for.body:
- ; CHECK-NEXT: successors: %bb.4(0x7c000000), %bb.5(0x04000000)
+ ; CHECK-NEXT: successors: %bb.4(0x7c000000), %bb.3(0x04000000)
; CHECK-NEXT: liveins: $r4, $x3
; CHECK-NEXT: {{ $}}
; CHECK-NEXT: INLINEASM &"add $0, $1, $2", 0 /* attdialect */, 131082 /* regdef:GPRC */, def renamable $r4, 131081 /* reguse:GPRC */, renamable $r3, 131081 /* reguse:GPRC */, killed renamable $r4, 12 /* clobber */, implicit-def dead early-clobber $r14, 12 /* clobber */, implicit-def dead early-clobber $r15, 12 /* clobber */, implicit-def dead early-clobber $r16, 12 /* clobber */, implicit-def dead early-clobber $r17, 12 /* clobber */, implicit-def dead early-clobber $r18, 12 /* clobber */, implicit-def dead early-clobber $r19, 12 /* clobber */, implicit-def dead early-clobber $r20, 12 /* clobber */, implicit-def dead early-clobber $r21, 12 /* clobber */, implicit-def dead early-clobber $r22, 12 /* clobber */, implicit-def dead early-clobber $r23, 12 /* clobber */, implicit-def dead early-clobber $r24, 12 /* clobber */, implicit-def dead early-clobber $r25, 12 /* clobber */, implicit-def dead early-clobber $r26, 12 /* clobber */, implicit-def dead early-clobber $r27, 12 /* clobber */, implicit-def dead early-clobber $r28, 12 /* clobber */, implicit-def dead early-clobber $r29, 12 /* clobber */, implicit-def dead early-clobber $r30, 12 /* clobber */, implicit-def dead early-clobber $r31
; CHECK-NEXT: BDNZ8 %bb.4, implicit-def dead $ctr8, implicit $ctr8
- ; CHECK-NEXT: B %bb.5
- ; CHECK-NEXT: {{ $}}
- ; CHECK-NEXT: bb.5:
- ; CHECK-NEXT: successors: %bb.3(0x80000000)
- ; CHECK-NEXT: liveins: $r4
- ; CHECK-NEXT: {{ $}}
; CHECK-NEXT: B %bb.3
bb.0.entry:
successors: %bb.2(0x50000000), %bb.1(0x30000000)
define void @quux(i32 signext %arg, i32 signext %arg1) nounwind {
; RV64I-LABEL: quux:
; RV64I: # %bb.0: # %bb
-; RV64I-NEXT: beq a0, a1, .LBB0_4
-; RV64I-NEXT: # %bb.1: # %bb2.preheader
; RV64I-NEXT: addi sp, sp, -16
; RV64I-NEXT: sd ra, 8(sp) # 8-byte Folded Spill
; RV64I-NEXT: sd s0, 0(sp) # 8-byte Folded Spill
+; RV64I-NEXT: beq a0, a1, .LBB0_3
+; RV64I-NEXT: # %bb.1: # %bb2.preheader
; RV64I-NEXT: subw s0, a1, a0
; RV64I-NEXT: .LBB0_2: # %bb2
; RV64I-NEXT: # =>This Inner Loop Header: Depth=1
; RV64I-NEXT: call hoge@plt
; RV64I-NEXT: addiw s0, s0, -1
; RV64I-NEXT: bnez s0, .LBB0_2
-; RV64I-NEXT: # %bb.3:
+; RV64I-NEXT: .LBB0_3: # %bb6
; RV64I-NEXT: ld ra, 8(sp) # 8-byte Folded Reload
; RV64I-NEXT: ld s0, 0(sp) # 8-byte Folded Reload
; RV64I-NEXT: addi sp, sp, 16
-; RV64I-NEXT: .LBB0_4: # %bb6
; RV64I-NEXT: ret
bb:
%tmp = icmp eq i32 %arg, %arg1
define void @process_nodes(ptr %0) nounwind {
; RV32-LABEL: process_nodes:
; RV32: # %bb.0: # %entry
-; RV32-NEXT: beqz a0, .LBB0_4
-; RV32-NEXT: # %bb.1: # %loop.preheader
; RV32-NEXT: addi sp, sp, -16
; RV32-NEXT: sw ra, 12(sp) # 4-byte Folded Spill
; RV32-NEXT: sw s0, 8(sp) # 4-byte Folded Spill
+; RV32-NEXT: beqz a0, .LBB0_3
+; RV32-NEXT: # %bb.1: # %loop.preheader
; RV32-NEXT: mv s0, a0
; RV32-NEXT: .LBB0_2: # %loop
; RV32-NEXT: # =>This Inner Loop Header: Depth=1
; RV32-NEXT: call do_it@plt
; RV32-NEXT: lw s0, 0(s0)
; RV32-NEXT: bnez s0, .LBB0_2
-; RV32-NEXT: # %bb.3:
+; RV32-NEXT: .LBB0_3: # %exit
; RV32-NEXT: lw ra, 12(sp) # 4-byte Folded Reload
; RV32-NEXT: lw s0, 8(sp) # 4-byte Folded Reload
; RV32-NEXT: addi sp, sp, 16
-; RV32-NEXT: .LBB0_4: # %exit
; RV32-NEXT: ret
;
; RV64-LABEL: process_nodes:
; RV64: # %bb.0: # %entry
-; RV64-NEXT: beqz a0, .LBB0_4
-; RV64-NEXT: # %bb.1: # %loop.preheader
; RV64-NEXT: addi sp, sp, -16
; RV64-NEXT: sd ra, 8(sp) # 8-byte Folded Spill
; RV64-NEXT: sd s0, 0(sp) # 8-byte Folded Spill
+; RV64-NEXT: beqz a0, .LBB0_3
+; RV64-NEXT: # %bb.1: # %loop.preheader
; RV64-NEXT: mv s0, a0
; RV64-NEXT: .LBB0_2: # %loop
; RV64-NEXT: # =>This Inner Loop Header: Depth=1
; RV64-NEXT: call do_it@plt
; RV64-NEXT: ld s0, 0(s0)
; RV64-NEXT: bnez s0, .LBB0_2
-; RV64-NEXT: # %bb.3:
+; RV64-NEXT: .LBB0_3: # %exit
; RV64-NEXT: ld ra, 8(sp) # 8-byte Folded Reload
; RV64-NEXT: ld s0, 0(sp) # 8-byte Folded Reload
; RV64-NEXT: addi sp, sp, 16
-; RV64-NEXT: .LBB0_4: # %exit
; RV64-NEXT: ret
entry:
%1 = icmp eq ptr %0, null
define i32 @test(ptr nocapture readonly %x, ptr nocapture readonly %y, i32 %n) {
; CHECK-LABEL: test:
; CHECK: @ %bb.0: @ %entry
-; CHECK-NEXT: cmp r2, #1
-; CHECK-NEXT: itt lt
-; CHECK-NEXT: movlt r0, #0
-; CHECK-NEXT: bxlt lr
-; CHECK-NEXT: .LBB0_1: @ %for.body.preheader
; CHECK-NEXT: .save {r7, lr}
; CHECK-NEXT: push {r7, lr}
+; CHECK-NEXT: cmp r2, #1
+; CHECK-NEXT: blt .LBB0_4
+; CHECK-NEXT: @ %bb.1: @ %for.body.preheader
; CHECK-NEXT: mov lr, r0
; CHECK-NEXT: movs r0, #0
; CHECK-NEXT: .LBB0_2: @ %for.body
; CHECK-NEXT: @NO_APP
; CHECK-NEXT: add r0, r3
; CHECK-NEXT: bne .LBB0_2
-; CHECK-NEXT: @ %bb.3:
+; CHECK-NEXT: @ %bb.3: @ %for.cond.cleanup
+; CHECK-NEXT: pop {r7, pc}
+; CHECK-NEXT: .LBB0_4:
+; CHECK-NEXT: movs r0, #0
; CHECK-NEXT: pop {r7, pc}
entry:
%cmp9 = icmp sgt i32 %n, 0
define i32 @testlr(ptr nocapture readonly %x, ptr nocapture readonly %y, i32 %n) {
; CHECK-LABEL: testlr:
; CHECK: @ %bb.0: @ %entry
-; CHECK-NEXT: cmp r2, #1
-; CHECK-NEXT: itt lt
-; CHECK-NEXT: movlt r0, #0
-; CHECK-NEXT: bxlt lr
-; CHECK-NEXT: .LBB1_1: @ %for.body.preheader
; CHECK-NEXT: .save {r4, lr}
; CHECK-NEXT: push {r4, lr}
+; CHECK-NEXT: cmp r2, #1
+; CHECK-NEXT: blt .LBB1_4
+; CHECK-NEXT: @ %bb.1: @ %for.body.preheader
; CHECK-NEXT: mov r3, r0
; CHECK-NEXT: movs r0, #0
; CHECK-NEXT: .LBB1_2: @ %for.body
; CHECK-NEXT: @NO_APP
; CHECK-NEXT: add r0, r4
; CHECK-NEXT: bne .LBB1_2
-; CHECK-NEXT: @ %bb.3:
+; CHECK-NEXT: @ %bb.3: @ %for.cond.cleanup
+; CHECK-NEXT: pop {r4, pc}
+; CHECK-NEXT: .LBB1_4:
+; CHECK-NEXT: movs r0, #0
; CHECK-NEXT: pop {r4, pc}
entry:
%cmp9 = icmp sgt i32 %n, 0
define void @test_memcpy(ptr nocapture %x, ptr nocapture readonly %y, i32 %n, i32 %m) {
; CHECK-LABEL: test_memcpy:
; CHECK: @ %bb.0: @ %entry
-; CHECK-NEXT: cmp r2, #1
-; CHECK-NEXT: it lt
-; CHECK-NEXT: bxlt lr
-; CHECK-NEXT: .LBB0_1: @ %for.body.preheader
; CHECK-NEXT: .save {r4, r5, r6, r7, lr}
; CHECK-NEXT: push {r4, r5, r6, r7, lr}
+; CHECK-NEXT: cmp r2, #1
+; CHECK-NEXT: blt .LBB0_5
+; CHECK-NEXT: @ %bb.1: @ %for.body.preheader
; CHECK-NEXT: lsl.w r12, r3, #2
; CHECK-NEXT: movs r7, #0
; CHECK-NEXT: b .LBB0_2
; CHECK-NEXT: vstrb.8 q0, [r5], #16
; CHECK-NEXT: letp lr, .LBB0_4
; CHECK-NEXT: b .LBB0_3
-; CHECK-NEXT: .LBB0_5:
-; CHECK-NEXT: pop.w {r4, r5, r6, r7, lr}
-; CHECK-NEXT: bx lr
+; CHECK-NEXT: .LBB0_5: @ %for.cond.cleanup
+; CHECK-NEXT: pop {r4, r5, r6, r7, pc}
entry:
%cmp8 = icmp sgt i32 %n, 0
br i1 %cmp8, label %for.body, label %for.cond.cleanup
define void @test_memset(ptr nocapture %x, i32 %n, i32 %m) {
; CHECK-LABEL: test_memset:
; CHECK: @ %bb.0: @ %entry
+; CHECK-NEXT: .save {r7, lr}
+; CHECK-NEXT: push {r7, lr}
; CHECK-NEXT: cmp r1, #1
; CHECK-NEXT: it lt
-; CHECK-NEXT: bxlt lr
+; CHECK-NEXT: poplt {r7, pc}
; CHECK-NEXT: .LBB1_1:
-; CHECK-NEXT: .save {r7, lr}
-; CHECK-NEXT: push {r7, lr}
; CHECK-NEXT: vmov.i32 q0, #0x0
; CHECK-NEXT: b .LBB1_2
; CHECK-NEXT: .LBB1_2: @ %for.body
; CHECK-NEXT: vstrb.8 q0, [r12], #16
; CHECK-NEXT: letp lr, .LBB1_4
; CHECK-NEXT: b .LBB1_3
-; CHECK-NEXT: .LBB1_5:
-; CHECK-NEXT: pop.w {r7, lr}
-; CHECK-NEXT: bx lr
+; CHECK-NEXT: .LBB1_5: @ %for.cond.cleanup
+; CHECK-NEXT: pop {r7, pc}
entry:
%cmp5 = icmp sgt i32 %n, 0
br i1 %cmp5, label %for.body, label %for.cond.cleanup
define void @test_memmove(ptr nocapture %x, ptr nocapture readonly %y, i32 %n, i32 %m) {
; CHECK-LABEL: test_memmove:
; CHECK: @ %bb.0: @ %entry
-; CHECK-NEXT: cmp r2, #1
-; CHECK-NEXT: it lt
-; CHECK-NEXT: bxlt lr
-; CHECK-NEXT: .LBB2_1: @ %for.body.preheader
; CHECK-NEXT: .save {r4, r5, r6, r7, r8, r9, lr}
; CHECK-NEXT: push.w {r4, r5, r6, r7, r8, r9, lr}
; CHECK-NEXT: .pad #4
; CHECK-NEXT: sub sp, #4
+; CHECK-NEXT: cmp r2, #1
+; CHECK-NEXT: blt .LBB2_3
+; CHECK-NEXT: @ %bb.1: @ %for.body.preheader
; CHECK-NEXT: mov r8, r3
; CHECK-NEXT: mov r5, r2
; CHECK-NEXT: mov r9, r1
; CHECK-NEXT: add r6, r4
; CHECK-NEXT: subs r5, #1
; CHECK-NEXT: bne .LBB2_2
-; CHECK-NEXT: @ %bb.3:
+; CHECK-NEXT: .LBB2_3: @ %for.cond.cleanup
; CHECK-NEXT: add sp, #4
-; CHECK-NEXT: pop.w {r4, r5, r6, r7, r8, r9, lr}
-; CHECK-NEXT: bx lr
+; CHECK-NEXT: pop.w {r4, r5, r6, r7, r8, r9, pc}
entry:
%cmp8 = icmp sgt i32 %n, 0
br i1 %cmp8, label %for.body, label %for.cond.cleanup
define arm_aapcs_vfpcc void @float_float_mul(ptr nocapture readonly %a, ptr nocapture readonly %b, ptr nocapture %c, i32 %N) {
; CHECK-LABEL: float_float_mul:
; CHECK: @ %bb.0: @ %entry
-; CHECK-NEXT: cmp r3, #0
-; CHECK-NEXT: it eq
-; CHECK-NEXT: bxeq lr
-; CHECK-NEXT: .LBB0_1: @ %for.body.preheader
; CHECK-NEXT: push.w {r4, r5, r6, r7, r8, lr}
+; CHECK-NEXT: cmp r3, #0
+; CHECK-NEXT: beq .LBB0_10
+; CHECK-NEXT: @ %bb.1: @ %for.body.preheader
; CHECK-NEXT: cmp r3, #3
; CHECK-NEXT: bhi .LBB0_3
; CHECK-NEXT: @ %bb.2:
; CHECK-NEXT: vmul.f32 s0, s2, s0
; CHECK-NEXT: vstr s0, [r5, #12]
; CHECK-NEXT: bne .LBB0_9
-; CHECK-NEXT: .LBB0_10:
-; CHECK-NEXT: pop.w {r4, r5, r6, r7, r8, lr}
-; CHECK-NEXT: bx lr
+; CHECK-NEXT: .LBB0_10: @ %for.cond.cleanup
+; CHECK-NEXT: pop.w {r4, r5, r6, r7, r8, pc}
; CHECK-NEXT: .LBB0_11: @ %vector.ph
; CHECK-NEXT: bic r12, r3, #3
; CHECK-NEXT: movs r6, #1
define arm_aapcs_vfpcc void @float_float_add(ptr nocapture readonly %a, ptr nocapture readonly %b, ptr nocapture %c, i32 %N) {
; CHECK-LABEL: float_float_add:
; CHECK: @ %bb.0: @ %entry
-; CHECK-NEXT: cmp r3, #0
-; CHECK-NEXT: it eq
-; CHECK-NEXT: bxeq lr
-; CHECK-NEXT: .LBB1_1: @ %for.body.preheader
; CHECK-NEXT: push.w {r4, r5, r6, r7, r8, lr}
+; CHECK-NEXT: cmp r3, #0
+; CHECK-NEXT: beq .LBB1_10
+; CHECK-NEXT: @ %bb.1: @ %for.body.preheader
; CHECK-NEXT: cmp r3, #3
; CHECK-NEXT: bhi .LBB1_3
; CHECK-NEXT: @ %bb.2:
; CHECK-NEXT: vadd.f32 s0, s2, s0
; CHECK-NEXT: vstr s0, [r5, #12]
; CHECK-NEXT: bne .LBB1_9
-; CHECK-NEXT: .LBB1_10:
-; CHECK-NEXT: pop.w {r4, r5, r6, r7, r8, lr}
-; CHECK-NEXT: bx lr
+; CHECK-NEXT: .LBB1_10: @ %for.cond.cleanup
+; CHECK-NEXT: pop.w {r4, r5, r6, r7, r8, pc}
; CHECK-NEXT: .LBB1_11: @ %vector.ph
; CHECK-NEXT: bic r12, r3, #3
; CHECK-NEXT: movs r6, #1
define arm_aapcs_vfpcc void @float_float_sub(ptr nocapture readonly %a, ptr nocapture readonly %b, ptr nocapture %c, i32 %N) {
; CHECK-LABEL: float_float_sub:
; CHECK: @ %bb.0: @ %entry
-; CHECK-NEXT: cmp r3, #0
-; CHECK-NEXT: it eq
-; CHECK-NEXT: bxeq lr
-; CHECK-NEXT: .LBB2_1: @ %for.body.preheader
; CHECK-NEXT: push.w {r4, r5, r6, r7, r8, lr}
+; CHECK-NEXT: cmp r3, #0
+; CHECK-NEXT: beq .LBB2_10
+; CHECK-NEXT: @ %bb.1: @ %for.body.preheader
; CHECK-NEXT: cmp r3, #3
; CHECK-NEXT: bhi .LBB2_3
; CHECK-NEXT: @ %bb.2:
; CHECK-NEXT: vsub.f32 s0, s2, s0
; CHECK-NEXT: vstr s0, [r5, #12]
; CHECK-NEXT: bne .LBB2_9
-; CHECK-NEXT: .LBB2_10:
-; CHECK-NEXT: pop.w {r4, r5, r6, r7, r8, lr}
-; CHECK-NEXT: bx lr
+; CHECK-NEXT: .LBB2_10: @ %for.cond.cleanup
+; CHECK-NEXT: pop.w {r4, r5, r6, r7, r8, pc}
; CHECK-NEXT: .LBB2_11: @ %vector.ph
; CHECK-NEXT: bic r12, r3, #3
; CHECK-NEXT: movs r6, #1
define arm_aapcs_vfpcc void @float_int_mul(ptr nocapture readonly %a, ptr nocapture readonly %b, ptr nocapture %c, i32 %N) {
; CHECK-LABEL: float_int_mul:
; CHECK: @ %bb.0: @ %entry
-; CHECK-NEXT: cmp r3, #0
-; CHECK-NEXT: it eq
-; CHECK-NEXT: bxeq lr
-; CHECK-NEXT: .LBB3_1: @ %for.body.preheader
; CHECK-NEXT: push.w {r4, r5, r6, r7, r8, lr}
+; CHECK-NEXT: cmp r3, #0
+; CHECK-NEXT: beq.w .LBB3_13
+; CHECK-NEXT: @ %bb.1: @ %for.body.preheader
; CHECK-NEXT: cmp r3, #3
; CHECK-NEXT: bls .LBB3_6
; CHECK-NEXT: @ %bb.2: @ %vector.memcheck
; CHECK-NEXT: vmul.f32 s0, s2, s0
; CHECK-NEXT: vstr s0, [r6, #12]
; CHECK-NEXT: bne .LBB3_12
-; CHECK-NEXT: .LBB3_13:
-; CHECK-NEXT: pop.w {r4, r5, r6, r7, r8, lr}
-; CHECK-NEXT: bx lr
+; CHECK-NEXT: .LBB3_13: @ %for.cond.cleanup
+; CHECK-NEXT: pop.w {r4, r5, r6, r7, r8, pc}
entry:
%cmp8 = icmp eq i32 %N, 0
br i1 %cmp8, label %for.cond.cleanup, label %for.body.preheader
define dso_local arm_aapcs_vfpcc i32 @two_loops_mul_add_v4i32(i8* nocapture readonly %a, i8* nocapture readonly %b, i32 %N) local_unnamed_addr {
; CHECK-LABEL: two_loops_mul_add_v4i32:
; CHECK: @ %bb.0: @ %entry
-; CHECK-NEXT: cmp r2, #0
-; CHECK-NEXT: itt eq
-; CHECK-NEXT: moveq r0, #0
-; CHECK-NEXT: bxeq lr
-; CHECK-NEXT: .LBB6_1: @ %vector.ph
; CHECK-NEXT: push {r4, r5, r6, r7, lr}
+; CHECK-NEXT: cmp r2, #0
+; CHECK-NEXT: beq .LBB6_8
+; CHECK-NEXT: @ %bb.1: @ %vector.ph
; CHECK-NEXT: adds r3, r2, #3
; CHECK-NEXT: vmov.i32 q1, #0x0
; CHECK-NEXT: bic r3, r3, #3
; CHECK-NEXT: @ %bb.6: @ %middle.block44
; CHECK-NEXT: vpsel q0, q0, q1
; CHECK-NEXT: vaddv.u32 r12, q0
-; CHECK-NEXT: .LBB6_7:
-; CHECK-NEXT: pop.w {r4, r5, r6, r7, lr}
+; CHECK-NEXT: .LBB6_7: @ %for.cond.cleanup7
; CHECK-NEXT: mov r0, r12
-; CHECK-NEXT: bx lr
+; CHECK-NEXT: pop {r4, r5, r6, r7, pc}
+; CHECK-NEXT: .LBB6_8:
+; CHECK-NEXT: movs r0, #0
+; CHECK-NEXT: pop {r4, r5, r6, r7, pc}
entry:
%cmp35 = icmp eq i32 %N, 0
br i1 %cmp35, label %for.cond.cleanup7, label %vector.ph
define arm_aapcs_vfpcc void @test(ptr noalias nocapture readonly %off, ptr noalias nocapture %data, ptr noalias nocapture %dst, i32 %n) {
; CHECK-LABEL: test:
; CHECK: @ %bb.0: @ %entry
-; CHECK-NEXT: cmp r3, #1
-; CHECK-NEXT: it lt
-; CHECK-NEXT: bxlt lr
-; CHECK-NEXT: .LBB0_1: @ %for.cond1.preheader.us.preheader
; CHECK-NEXT: push.w {r4, r5, r6, r7, r8, lr}
+; CHECK-NEXT: cmp r3, #1
+; CHECK-NEXT: blt .LBB0_7
+; CHECK-NEXT: @ %bb.1: @ %for.cond1.preheader.us.preheader
; CHECK-NEXT: mov r8, r3
; CHECK-NEXT: lsl.w r12, r3, #1
; CHECK-NEXT: movs r3, #0
; CHECK-NEXT: add r4, r12
; CHECK-NEXT: cmp r3, r8
; CHECK-NEXT: bne .LBB0_2
-; CHECK-NEXT: @ %bb.7:
-; CHECK-NEXT: pop.w {r4, r5, r6, r7, r8, lr}
-; CHECK-NEXT: bx lr
+; CHECK-NEXT: .LBB0_7: @ %for.cond.cleanup
+; CHECK-NEXT: pop.w {r4, r5, r6, r7, r8, pc}
entry:
%cmp252 = icmp sgt i32 %n, 0
br i1 %cmp252, label %for.cond1.preheader.us, label %for.cond.cleanup
define void @__arm_2d_impl_rgb16_colour_filling_with_alpha(ptr noalias nocapture %phwTargetBase, i16 signext %iTargetStride, ptr noalias nocapture readonly %ptCopySize, i16 zeroext %hwColour, i32 %chRatio) {
; CHECK-LABEL: __arm_2d_impl_rgb16_colour_filling_with_alpha:
; CHECK: @ %bb.0: @ %entry
-; CHECK-NEXT: ldrsh.w r12, [r2, #2]
-; CHECK-NEXT: cmp.w r12, #1
-; CHECK-NEXT: it lt
-; CHECK-NEXT: bxlt lr
-; CHECK-NEXT: .LBB0_1: @ %for.cond3.preheader.lr.ph
; CHECK-NEXT: push {r4, r5, r6, r7, lr}
; CHECK-NEXT: sub sp, #4
; CHECK-NEXT: vpush {d8, d9, d10, d11, d12, d13, d14, d15}
; CHECK-NEXT: sub sp, #64
-; CHECK-NEXT: ldrsh.w r7, [r2]
-; CHECK-NEXT: cmp r7, #1
-; CHECK-NEXT: blt.w .LBB0_6
-; CHECK-NEXT: @ %bb.2: @ %for.cond3.preheader.us.preheader
+; CHECK-NEXT: ldrsh.w r12, [r2, #2]
+; CHECK-NEXT: cmp.w r12, #1
+; CHECK-NEXT: itt ge
+; CHECK-NEXT: ldrshge.w r7, [r2]
+; CHECK-NEXT: cmpge r7, #1
+; CHECK-NEXT: blt.w .LBB0_5
+; CHECK-NEXT: @ %bb.1: @ %for.cond3.preheader.us.preheader
; CHECK-NEXT: movs r2, #252
; CHECK-NEXT: ldr r4, [sp, #152]
; CHECK-NEXT: and.w r6, r2, r3, lsr #3
; CHECK-NEXT: vstrw.32 q0, [sp] @ 16-byte Spill
; CHECK-NEXT: vstrw.32 q2, [sp, #32] @ 16-byte Spill
; CHECK-NEXT: vstrw.32 q3, [sp, #16] @ 16-byte Spill
-; CHECK-NEXT: .LBB0_3: @ %vector.ph
+; CHECK-NEXT: .LBB0_2: @ %vector.ph
; CHECK-NEXT: @ =>This Loop Header: Depth=1
-; CHECK-NEXT: @ Child Loop BB0_4 Depth 2
+; CHECK-NEXT: @ Child Loop BB0_3 Depth 2
; CHECK-NEXT: mov r5, r0
; CHECK-NEXT: mov r6, r7
; CHECK-NEXT: dls lr, r3
-; CHECK-NEXT: .LBB0_4: @ %vector.body
-; CHECK-NEXT: @ Parent Loop BB0_3 Depth=1
+; CHECK-NEXT: .LBB0_3: @ %vector.body
+; CHECK-NEXT: @ Parent Loop BB0_2 Depth=1
; CHECK-NEXT: @ => This Inner Loop Header: Depth=2
; CHECK-NEXT: vctp.16 r6
; CHECK-NEXT: subs r6, #8
; CHECK-NEXT: vorr q0, q1, q0
; CHECK-NEXT: vpst
; CHECK-NEXT: vstrht.16 q0, [r5], #16
-; CHECK-NEXT: le lr, .LBB0_4
-; CHECK-NEXT: @ %bb.5: @ %for.cond3.for.cond.cleanup7_crit_edge.us
-; CHECK-NEXT: @ in Loop: Header=BB0_3 Depth=1
+; CHECK-NEXT: le lr, .LBB0_3
+; CHECK-NEXT: @ %bb.4: @ %for.cond3.for.cond.cleanup7_crit_edge.us
+; CHECK-NEXT: @ in Loop: Header=BB0_2 Depth=1
; CHECK-NEXT: adds r4, #1
; CHECK-NEXT: add.w r0, r0, r1, lsl #1
; CHECK-NEXT: cmp r4, r12
-; CHECK-NEXT: bne .LBB0_3
-; CHECK-NEXT: .LBB0_6:
+; CHECK-NEXT: bne .LBB0_2
+; CHECK-NEXT: .LBB0_5: @ %for.cond.cleanup
; CHECK-NEXT: add sp, #64
; CHECK-NEXT: vpop {d8, d9, d10, d11, d12, d13, d14, d15}
; CHECK-NEXT: add sp, #4
-; CHECK-NEXT: pop.w {r4, r5, r6, r7, lr}
-; CHECK-NEXT: bx lr
+; CHECK-NEXT: pop {r4, r5, r6, r7, pc}
entry:
%iHeight = getelementptr inbounds %struct.arm_2d_size_t, ptr %ptCopySize, i32 0, i32 1
%0 = load i16, ptr %iHeight, align 2
define void @__arm_2d_impl_rgb16_colour_filling_with_alpha_sched(ptr noalias nocapture %phwTargetBase, i16 signext %iTargetStride, ptr noalias nocapture readonly %ptCopySize, i16 zeroext %hwColour, i32 %chRatio) "target-cpu"="cortex-m55" {
; CHECK-LABEL: __arm_2d_impl_rgb16_colour_filling_with_alpha_sched:
; CHECK: @ %bb.0: @ %entry
+; CHECK-NEXT: push {r4, r5, r6, r7, lr}
+; CHECK-NEXT: sub sp, #4
+; CHECK-NEXT: vpush {d8, d9, d10, d11, d12, d13, d14, d15}
+; CHECK-NEXT: sub sp, #80
; CHECK-NEXT: ldrsh.w r12, [r2, #2]
; CHECK-NEXT: cmp.w r12, #1
-; CHECK-NEXT: blt.w .LBB1_7
+; CHECK-NEXT: blt.w .LBB1_6
; CHECK-NEXT: @ %bb.1: @ %for.cond3.preheader.lr.ph
; CHECK-NEXT: ldrsh.w r2, [r2]
; CHECK-NEXT: cmp r2, #1
-; CHECK-NEXT: it lt
-; CHECK-NEXT: bxlt lr
-; CHECK-NEXT: .LBB1_2: @ %for.cond3.preheader.us.preheader
-; CHECK-NEXT: push {r4, r5, r6, r7, lr}
-; CHECK-NEXT: sub sp, #4
-; CHECK-NEXT: vpush {d8, d9, d10, d11, d12, d13, d14, d15}
-; CHECK-NEXT: sub sp, #80
+; CHECK-NEXT: blt .LBB1_6
+; CHECK-NEXT: @ %bb.2: @ %for.cond3.preheader.us.preheader
; CHECK-NEXT: ldr r7, [sp, #168]
; CHECK-NEXT: movs r5, #120
; CHECK-NEXT: lsls r6, r3, #3
; CHECK-NEXT: adds r4, #1
; CHECK-NEXT: cmp r4, r12
; CHECK-NEXT: bne .LBB1_3
-; CHECK-NEXT: @ %bb.6:
+; CHECK-NEXT: .LBB1_6: @ %for.cond.cleanup
; CHECK-NEXT: add sp, #80
; CHECK-NEXT: vpop {d8, d9, d10, d11, d12, d13, d14, d15}
; CHECK-NEXT: add sp, #4
-; CHECK-NEXT: pop.w {r4, r5, r6, r7, lr}
-; CHECK-NEXT: .LBB1_7: @ %for.cond.cleanup
-; CHECK-NEXT: bx lr
+; CHECK-NEXT: pop {r4, r5, r6, r7, pc}
entry:
%iHeight = getelementptr inbounds %struct.arm_2d_size_t, ptr %ptCopySize, i32 0, i32 1
%0 = load i16, ptr %iHeight, align 2
define void @nested(ptr nocapture readonly %x, ptr nocapture readnone %y, ptr nocapture %z, i32 %m, i32 %n) {
; CHECK-LABEL: nested:
; CHECK: @ %bb.0: @ %entry
-; CHECK-NEXT: cmp r3, #0
-; CHECK-NEXT: it eq
-; CHECK-NEXT: bxeq lr
-; CHECK-NEXT: .LBB1_1: @ %for.body.preheader
; CHECK-NEXT: .save {r4, r5, r6, r7, r8, lr}
; CHECK-NEXT: push.w {r4, r5, r6, r7, r8, lr}
+; CHECK-NEXT: cbz r3, .LBB1_8
+; CHECK-NEXT: @ %bb.1: @ %for.body.preheader
; CHECK-NEXT: ldr.w r12, [sp, #24]
; CHECK-NEXT: movs r1, #0
; CHECK-NEXT: b .LBB1_4
; CHECK-NEXT: sub.w r12, r12, r5
; CHECK-NEXT: mov r0, r8
; CHECK-NEXT: b .LBB1_3
-; CHECK-NEXT: .LBB1_8:
-; CHECK-NEXT: pop.w {r4, r5, r6, r7, r8, lr}
-; CHECK-NEXT: bx lr
+; CHECK-NEXT: .LBB1_8: @ %for.cond.cleanup
+; CHECK-NEXT: pop.w {r4, r5, r6, r7, r8, pc}
entry:
%cmp20.not = icmp eq i32 %m, 0
br i1 %cmp20.not, label %for.cond.cleanup, label %for.body
define void @fir(ptr nocapture readonly %S, ptr nocapture readonly %pSrc, ptr nocapture %pDst, i32 %blockSize) {
; CHECK-LABEL: fir:
; CHECK: @ %bb.0: @ %entry
-; CHECK-NEXT: cmp r3, #8
-; CHECK-NEXT: blo.w .LBB16_13
-; CHECK-NEXT: @ %bb.1: @ %if.then
-; CHECK-NEXT: lsrs.w r12, r3, #2
-; CHECK-NEXT: it eq
-; CHECK-NEXT: bxeq lr
-; CHECK-NEXT: .LBB16_2: @ %while.body.lr.ph
; CHECK-NEXT: .save {r4, r5, r6, r7, r8, r9, r10, r11, lr}
; CHECK-NEXT: push.w {r4, r5, r6, r7, r8, r9, r10, r11, lr}
; CHECK-NEXT: .pad #4
; CHECK-NEXT: vpush {d8, d9, d10, d11, d12, d13}
; CHECK-NEXT: .pad #32
; CHECK-NEXT: sub sp, #32
+; CHECK-NEXT: cmp r3, #8
+; CHECK-NEXT: blo.w .LBB16_12
+; CHECK-NEXT: @ %bb.1: @ %if.then
+; CHECK-NEXT: lsrs.w r12, r3, #2
+; CHECK-NEXT: beq.w .LBB16_12
+; CHECK-NEXT: @ %bb.2: @ %while.body.lr.ph
; CHECK-NEXT: ldrh r6, [r0]
; CHECK-NEXT: movs r5, #1
; CHECK-NEXT: ldrd r4, r10, [r0, #4]
; CHECK-NEXT: ldr r0, [sp, #20] @ 4-byte Reload
; CHECK-NEXT: add.w r4, r4, r0, lsl #2
; CHECK-NEXT: b .LBB16_4
-; CHECK-NEXT: .LBB16_12:
+; CHECK-NEXT: .LBB16_12: @ %if.end
; CHECK-NEXT: add sp, #32
; CHECK-NEXT: vpop {d8, d9, d10, d11, d12, d13}
; CHECK-NEXT: add sp, #4
-; CHECK-NEXT: pop.w {r4, r5, r6, r7, r8, r9, r10, r11, lr}
-; CHECK-NEXT: .LBB16_13: @ %if.end
-; CHECK-NEXT: bx lr
+; CHECK-NEXT: pop.w {r4, r5, r6, r7, r8, r9, r10, r11, pc}
entry:
%pState1 = getelementptr inbounds %struct.arm_fir_instance_f32, ptr %S, i32 0, i32 1
%i = load ptr, ptr %pState1, align 4
define arm_aapcs_vfpcc void @gather_inc_v4i32_simple(ptr noalias nocapture readonly %data, ptr noalias nocapture %dst, i32 %n) {
; CHECK-LABEL: gather_inc_v4i32_simple:
; CHECK: @ %bb.0: @ %entry
+; CHECK-NEXT: .save {r4, lr}
+; CHECK-NEXT: push {r4, lr}
; CHECK-NEXT: cmp r2, #1
; CHECK-NEXT: it lt
-; CHECK-NEXT: bxlt lr
+; CHECK-NEXT: poplt {r4, pc}
; CHECK-NEXT: .LBB8_1: @ %vector.ph.preheader
-; CHECK-NEXT: .save {r4, lr}
-; CHECK-NEXT: push {r4, lr}
; CHECK-NEXT: bic r12, r2, #3
; CHECK-NEXT: movs r3, #1
; CHECK-NEXT: sub.w lr, r12, #4
; CHECK-NEXT: @ in Loop: Header=BB8_2 Depth=1
; CHECK-NEXT: cmp r12, r2
; CHECK-NEXT: bne .LBB8_2
-; CHECK-NEXT: @ %bb.5:
-; CHECK-NEXT: pop.w {r4, lr}
-; CHECK-NEXT: bx lr
+; CHECK-NEXT: @ %bb.5: @ %for.cond.cleanup
+; CHECK-NEXT: pop {r4, pc}
; CHECK-NEXT: .p2align 4
; CHECK-NEXT: @ %bb.6:
; CHECK-NEXT: .LCPI8_0:
define arm_aapcs_vfpcc void @gather_inc_v4i32_complex(ptr noalias nocapture readonly %data, ptr noalias nocapture %dst, i32 %n) {
; CHECK-LABEL: gather_inc_v4i32_complex:
; CHECK: @ %bb.0: @ %entry
-; CHECK-NEXT: cmp r2, #1
-; CHECK-NEXT: it lt
-; CHECK-NEXT: bxlt lr
-; CHECK-NEXT: .LBB9_1: @ %vector.ph.preheader
; CHECK-NEXT: .save {r4, r5, r7, lr}
; CHECK-NEXT: push {r4, r5, r7, lr}
; CHECK-NEXT: .vsave {d8, d9, d10, d11, d12, d13, d14, d15}
; CHECK-NEXT: vpush {d8, d9, d10, d11, d12, d13, d14, d15}
+; CHECK-NEXT: cmp r2, #1
+; CHECK-NEXT: blt .LBB9_5
+; CHECK-NEXT: @ %bb.1: @ %vector.ph.preheader
; CHECK-NEXT: bic r12, r2, #3
; CHECK-NEXT: movs r3, #1
; CHECK-NEXT: sub.w lr, r12, #4
; CHECK-NEXT: @ in Loop: Header=BB9_2 Depth=1
; CHECK-NEXT: cmp r12, r2
; CHECK-NEXT: bne .LBB9_2
-; CHECK-NEXT: @ %bb.5:
+; CHECK-NEXT: .LBB9_5: @ %for.cond.cleanup
; CHECK-NEXT: vpop {d8, d9, d10, d11, d12, d13, d14, d15}
-; CHECK-NEXT: pop.w {r4, r5, r7, lr}
-; CHECK-NEXT: bx lr
+; CHECK-NEXT: pop {r4, r5, r7, pc}
; CHECK-NEXT: .p2align 4
; CHECK-NEXT: @ %bb.6:
; CHECK-NEXT: .LCPI9_0:
define arm_aapcs_vfpcc void @gather_inc_v4i32_large(ptr noalias nocapture readonly %data, ptr noalias nocapture %dst, i32 %n) {
; CHECK-LABEL: gather_inc_v4i32_large:
; CHECK: @ %bb.0: @ %entry
+; CHECK-NEXT: .save {r4, lr}
+; CHECK-NEXT: push {r4, lr}
; CHECK-NEXT: cmp r2, #1
; CHECK-NEXT: it lt
-; CHECK-NEXT: bxlt lr
+; CHECK-NEXT: poplt {r4, pc}
; CHECK-NEXT: .LBB10_1: @ %vector.ph.preheader
-; CHECK-NEXT: .save {r4, lr}
-; CHECK-NEXT: push {r4, lr}
; CHECK-NEXT: bic r12, r2, #3
; CHECK-NEXT: movs r3, #1
; CHECK-NEXT: sub.w lr, r12, #4
; CHECK-NEXT: @ in Loop: Header=BB10_2 Depth=1
; CHECK-NEXT: cmp r12, r2
; CHECK-NEXT: bne .LBB10_2
-; CHECK-NEXT: @ %bb.5:
-; CHECK-NEXT: pop.w {r4, lr}
-; CHECK-NEXT: bx lr
+; CHECK-NEXT: @ %bb.5: @ %for.cond.cleanup
+; CHECK-NEXT: pop {r4, pc}
; CHECK-NEXT: .p2align 4
; CHECK-NEXT: @ %bb.6:
; CHECK-NEXT: .LCPI10_0:
define arm_aapcs_vfpcc void @gather_inc_v4i32_simple(ptr noalias nocapture readonly %data, ptr noalias nocapture %dst, i32 %n) {
; CHECK-LABEL: gather_inc_v4i32_simple:
; CHECK: @ %bb.0: @ %entry
+; CHECK-NEXT: .save {r4, lr}
+; CHECK-NEXT: push {r4, lr}
; CHECK-NEXT: cmp r2, #1
; CHECK-NEXT: it lt
-; CHECK-NEXT: bxlt lr
+; CHECK-NEXT: poplt {r4, pc}
; CHECK-NEXT: .LBB0_1: @ %vector.ph.preheader
-; CHECK-NEXT: .save {r4, lr}
-; CHECK-NEXT: push {r4, lr}
; CHECK-NEXT: bic r12, r2, #3
; CHECK-NEXT: movs r3, #1
; CHECK-NEXT: sub.w lr, r12, #4
; CHECK-NEXT: @ in Loop: Header=BB0_2 Depth=1
; CHECK-NEXT: cmp r12, r2
; CHECK-NEXT: bne .LBB0_2
-; CHECK-NEXT: @ %bb.5:
-; CHECK-NEXT: pop.w {r4, lr}
-; CHECK-NEXT: bx lr
+; CHECK-NEXT: @ %bb.5: @ %for.cond.cleanup
+; CHECK-NEXT: pop {r4, pc}
; CHECK-NEXT: .p2align 4
; CHECK-NEXT: @ %bb.6:
; CHECK-NEXT: .LCPI0_0:
define void @test11(ptr nocapture %x, ptr nocapture %y, i32 %n) {
; CHECK-LABEL: test11:
; CHECK: @ %bb.0: @ %entry
+; CHECK-NEXT: .save {r4, lr}
+; CHECK-NEXT: push {r4, lr}
; CHECK-NEXT: cmp.w r2, #-1
; CHECK-NEXT: it gt
-; CHECK-NEXT: bxgt lr
+; CHECK-NEXT: popgt {r4, pc}
; CHECK-NEXT: .LBB10_1: @ %prehead
-; CHECK-NEXT: .save {r4, lr}
-; CHECK-NEXT: push {r4, lr}
; CHECK-NEXT: mov r12, r1
; CHECK-NEXT: mov r4, r0
; CHECK-NEXT: wlstp.8 lr, r2, .LBB10_3
; CHECK-NEXT: subs r2, #2
; CHECK-NEXT: strb r3, [r1], #1
; CHECK-NEXT: bne .LBB10_3
-; CHECK-NEXT: @ %bb.4:
-; CHECK-NEXT: pop.w {r4, lr}
-; CHECK-NEXT: bx lr
+; CHECK-NEXT: @ %bb.4: @ %for.cond.cleanup
+; CHECK-NEXT: pop {r4, pc}
entry:
%cmp6 = icmp slt i32 %n, 0
br i1 %cmp6, label %prehead, label %for.cond.cleanup
define void @multilooped_exit(i32 %b) {
; CHECK-LABEL: multilooped_exit:
; CHECK: @ %bb.0: @ %entry
+; CHECK-NEXT: .save {r4, lr}
+; CHECK-NEXT: push {r4, lr}
; CHECK-NEXT: cmp r0, #1
; CHECK-NEXT: it lt
-; CHECK-NEXT: bxlt lr
+; CHECK-NEXT: poplt {r4, pc}
; CHECK-NEXT: .LBB18_1: @ %loop.preheader
-; CHECK-NEXT: .save {r4, lr}
-; CHECK-NEXT: push {r4, lr}
; CHECK-NEXT: mov.w r4, #-1
; CHECK-NEXT: vmov.i32 q0, #0x0
; CHECK-NEXT: b .LBB18_3
; CHECK-NEXT: vstrb.8 q0, [r3], #16
; CHECK-NEXT: letp lr, .LBB18_11
; CHECK-NEXT: b .LBB18_2
-; CHECK-NEXT: .LBB18_12:
-; CHECK-NEXT: pop.w {r4, lr}
-; CHECK-NEXT: bx lr
+; CHECK-NEXT: .LBB18_12: @ %exit
+; CHECK-NEXT: pop {r4, pc}
entry:
%cmp8 = icmp sgt i32 %b, 0
br i1 %cmp8, label %loop, label %exit
define void @DCT_mve1(ptr nocapture readonly %S, ptr nocapture readonly %pIn, ptr nocapture %pOut) {
; CHECK-LABEL: DCT_mve1:
; CHECK: @ %bb.0: @ %entry
+; CHECK-NEXT: .save {r4, r5, r6, r7, r8, r9, lr}
+; CHECK-NEXT: push.w {r4, r5, r6, r7, r8, r9, lr}
; CHECK-NEXT: ldr r3, [r0, #4]
; CHECK-NEXT: sub.w r12, r3, #1
; CHECK-NEXT: cmp.w r12, #2
-; CHECK-NEXT: it lo
-; CHECK-NEXT: bxlo lr
-; CHECK-NEXT: .LBB0_1: @ %for.body.preheader
-; CHECK-NEXT: .save {r4, r5, r6, r7, r8, r9, lr}
-; CHECK-NEXT: push.w {r4, r5, r6, r7, r8, r9, lr}
+; CHECK-NEXT: blo .LBB0_5
+; CHECK-NEXT: @ %bb.1: @ %for.body.preheader
; CHECK-NEXT: ldr r5, [r0, #8]
; CHECK-NEXT: ldr r3, [r0]
; CHECK-NEXT: add.w r3, r3, r5, lsl #2
; CHECK-NEXT: vadd.f32 s0, s0, s2
; CHECK-NEXT: vstr s0, [r7]
; CHECK-NEXT: bne .LBB0_2
-; CHECK-NEXT: @ %bb.5:
-; CHECK-NEXT: pop.w {r4, r5, r6, r7, r8, r9, lr}
-; CHECK-NEXT: bx lr
+; CHECK-NEXT: .LBB0_5: @ %for.cond.cleanup
+; CHECK-NEXT: pop.w {r4, r5, r6, r7, r8, r9, pc}
entry:
%NumInputs = getelementptr inbounds %struct.DCT_InstanceTypeDef, ptr %S, i32 0, i32 2
%i = load i32, ptr %NumInputs, align 4
define arm_aapcs_vfpcc void @scatter_inc_v4i32_complex(<4 x i32> %data1, <4 x i32> %data2, <4 x i32> %data3, ptr %dst, i32 %n) {
; CHECK-LABEL: scatter_inc_v4i32_complex:
; CHECK: @ %bb.0: @ %entry
-; CHECK-NEXT: cmp r1, #1
-; CHECK-NEXT: it lt
-; CHECK-NEXT: bxlt lr
-; CHECK-NEXT: .LBB3_1: @ %vector.ph.preheader
; CHECK-NEXT: .save {r4, lr}
; CHECK-NEXT: push {r4, lr}
; CHECK-NEXT: .vsave {d8, d9, d10, d11, d12, d13, d14, d15}
; CHECK-NEXT: vpush {d8, d9, d10, d11, d12, d13, d14, d15}
; CHECK-NEXT: .pad #16
; CHECK-NEXT: sub sp, #16
+; CHECK-NEXT: cmp r1, #1
+; CHECK-NEXT: blt .LBB3_5
+; CHECK-NEXT: @ %bb.1: @ %vector.ph.preheader
; CHECK-NEXT: adr r4, .LCPI3_2
; CHECK-NEXT: bic r2, r1, #3
; CHECK-NEXT: vldrw.u32 q3, [r4]
; CHECK-NEXT: @ in Loop: Header=BB3_2 Depth=1
; CHECK-NEXT: cmp r2, r1
; CHECK-NEXT: bne .LBB3_2
-; CHECK-NEXT: @ %bb.5:
+; CHECK-NEXT: .LBB3_5: @ %for.cond.cleanup
; CHECK-NEXT: add sp, #16
; CHECK-NEXT: vpop {d8, d9, d10, d11, d12, d13, d14, d15}
-; CHECK-NEXT: pop.w {r4, lr}
-; CHECK-NEXT: bx lr
+; CHECK-NEXT: pop {r4, pc}
; CHECK-NEXT: .p2align 4
; CHECK-NEXT: @ %bb.6:
; CHECK-NEXT: .LCPI3_0:
define arm_aapcs_vfpcc void @start11(ptr nocapture readonly %x, ptr nocapture readonly %y, ptr noalias nocapture %z, float %a, i32 %n) {
; CHECK-LABEL: start11:
; CHECK: @ %bb.0: @ %entry
-; CHECK-NEXT: cmp r3, #1
-; CHECK-NEXT: it lt
-; CHECK-NEXT: bxlt lr
-; CHECK-NEXT: .LBB1_1: @ %vector.ph
; CHECK-NEXT: .save {r4, r5, r7, lr}
; CHECK-NEXT: push {r4, r5, r7, lr}
+; CHECK-NEXT: cmp r3, #1
+; CHECK-NEXT: blt .LBB1_3
+; CHECK-NEXT: @ %bb.1: @ %vector.ph
; CHECK-NEXT: vmov r12, s0
; CHECK-NEXT: adds r4, r3, #3
; CHECK-NEXT: adr r5, .LCPI1_0
; CHECK-NEXT: vpst
; CHECK-NEXT: vstrwt.32 q3, [r2], #16
; CHECK-NEXT: bne .LBB1_2
-; CHECK-NEXT: @ %bb.3:
-; CHECK-NEXT: pop.w {r4, r5, r7, lr}
-; CHECK-NEXT: bx lr
+; CHECK-NEXT: .LBB1_3: @ %for.cond.cleanup
+; CHECK-NEXT: pop {r4, r5, r7, pc}
; CHECK-NEXT: .p2align 4
; CHECK-NEXT: @ %bb.4:
; CHECK-NEXT: .LCPI1_0:
define arm_aapcs_vfpcc void @test32(ptr noalias nocapture readonly %x, ptr noalias nocapture readonly %y, ptr nocapture %z, i32 %n) {
; CHECK-LABEL: test32:
; CHECK: @ %bb.0: @ %entry
-; CHECK-NEXT: cmp r3, #1
-; CHECK-NEXT: it lt
-; CHECK-NEXT: bxlt lr
-; CHECK-NEXT: .LBB0_1: @ %vector.body.preheader
; CHECK-NEXT: .save {r4, r5, r7, lr}
; CHECK-NEXT: push {r4, r5, r7, lr}
-; CHECK-NEXT: .LBB0_2: @ %vector.body
+; CHECK-NEXT: cmp r3, #1
+; CHECK-NEXT: blt .LBB0_2
+; CHECK-NEXT: .LBB0_1: @ %vector.body
; CHECK-NEXT: @ =>This Inner Loop Header: Depth=1
; CHECK-NEXT: vldrw.u32 q0, [r0], #16
; CHECK-NEXT: vldrw.u32 q1, [r1], #16
; CHECK-NEXT: lsrl r4, r5, #31
; CHECK-NEXT: vmov q2[3], q2[1], r4, r12
; CHECK-NEXT: vstrb.8 q2, [r2], #16
-; CHECK-NEXT: bne .LBB0_2
-; CHECK-NEXT: @ %bb.3:
-; CHECK-NEXT: pop.w {r4, r5, r7, lr}
-; CHECK-NEXT: bx lr
+; CHECK-NEXT: bne .LBB0_1
+; CHECK-NEXT: .LBB0_2: @ %for.cond.cleanup
+; CHECK-NEXT: pop {r4, r5, r7, pc}
entry:
%0 = and i32 %n, 3
%cmp = icmp eq i32 %0, 0
define void @_Z25RawPointerPerformanceTestPvRN5clang6ActionE(ptr %Val, ptr %Actions) nounwind {
; CHECK-LABEL: _Z25RawPointerPerformanceTestPvRN5clang6ActionE:
; CHECK: ## %bb.0: ## %entry
-; CHECK-NEXT: cmpl $0, _NumTrials(%rip)
-; CHECK-NEXT: je LBB0_4
-; CHECK-NEXT: ## %bb.1: ## %bb.nph
; CHECK-NEXT: pushq %rbp
; CHECK-NEXT: pushq %rbx
; CHECK-NEXT: subq $24, %rsp
+; CHECK-NEXT: cmpl $0, _NumTrials(%rip)
+; CHECK-NEXT: je LBB0_3
+; CHECK-NEXT: ## %bb.1: ## %bb.nph
; CHECK-NEXT: movq %rsi, %rbx
; CHECK-NEXT: movq %rdi, %rax
; CHECK-NEXT: xorl %ebp, %ebp
; CHECK-NEXT: incl %ebp
; CHECK-NEXT: cmpl _NumTrials(%rip), %ebp
; CHECK-NEXT: jb LBB0_2
-; CHECK-NEXT: ## %bb.3:
+; CHECK-NEXT: LBB0_3: ## %return
; CHECK-NEXT: addq $24, %rsp
; CHECK-NEXT: popq %rbx
; CHECK-NEXT: popq %rbp
-; CHECK-NEXT: LBB0_4: ## %return
; CHECK-NEXT: retq
;
; pre-RA-LABEL: _Z25RawPointerPerformanceTestPvRN5clang6ActionE:
; pre-RA: ## %bb.0: ## %entry
-; pre-RA-NEXT: cmpl $0, _NumTrials(%rip)
-; pre-RA-NEXT: je LBB0_4
-; pre-RA-NEXT: ## %bb.1: ## %bb.nph
; pre-RA-NEXT: pushq %rbp
; pre-RA-NEXT: pushq %rbx
; pre-RA-NEXT: subq $24, %rsp
+; pre-RA-NEXT: cmpl $0, _NumTrials(%rip)
+; pre-RA-NEXT: je LBB0_3
+; pre-RA-NEXT: ## %bb.1: ## %bb.nph
; pre-RA-NEXT: movq %rsi, %rbx
; pre-RA-NEXT: movq %rdi, %rax
; pre-RA-NEXT: xorl %ebp, %ebp
; pre-RA-NEXT: movq %rdx, {{[0-9]+}}(%rsp)
; pre-RA-NEXT: cmpl _NumTrials(%rip), %ebp
; pre-RA-NEXT: jb LBB0_2
-; pre-RA-NEXT: ## %bb.3:
+; pre-RA-NEXT: LBB0_3: ## %return
; pre-RA-NEXT: addq $24, %rsp
; pre-RA-NEXT: popq %rbx
; pre-RA-NEXT: popq %rbp
-; pre-RA-NEXT: LBB0_4: ## %return
; pre-RA-NEXT: retq
entry:
%i = alloca %"struct.clang::ActionBase::ActionResult<0u>", align 8
define void @foo(i32 %N) nounwind {
; CHECK-LABEL: foo:
; CHECK: # %bb.0: # %entry
-; CHECK-NEXT: testl %edi, %edi
-; CHECK-NEXT: js .LBB0_1
-; CHECK-NEXT: # %bb.4: # %return
-; CHECK-NEXT: retq
-; CHECK-NEXT: .LBB0_1: # %bb.preheader
; CHECK-NEXT: pushq %rbp
; CHECK-NEXT: pushq %rbx
; CHECK-NEXT: pushq %rax
+; CHECK-NEXT: testl %edi, %edi
+; CHECK-NEXT: jns .LBB0_3
+; CHECK-NEXT: # %bb.1: # %bb.preheader
; CHECK-NEXT: movl %edi, %ebx
; CHECK-NEXT: xorl %ebp, %ebp
; CHECK-NEXT: .p2align 4, 0x90
; CHECK-NEXT: decl %ebp
; CHECK-NEXT: cmpl %ebp, %ebx
; CHECK-NEXT: jne .LBB0_2
-; CHECK-NEXT: # %bb.3:
+; CHECK-NEXT: .LBB0_3: # %return
; CHECK-NEXT: addq $8, %rsp
; CHECK-NEXT: popq %rbx
; CHECK-NEXT: popq %rbp
define void @bar(i32 %0, i32 %1) nounwind {
; CHECK-LABEL: bar:
; CHECK: # %bb.0:
+; CHECK-NEXT: pushq %rbx
; CHECK-NEXT: testl %edi, %edi
-; CHECK-NEXT: je .LBB0_4
+; CHECK-NEXT: je .LBB0_3
; CHECK-NEXT: # %bb.1: # %.preheader
-; CHECK-NEXT: pushq %rbx
; CHECK-NEXT: movl %edi, %ebx
; CHECK-NEXT: decl %ebx
; CHECK-NEXT: .p2align 4, 0x90
; CHECK-NEXT: callq foo@PLT
; CHECK-NEXT: addl $-1, %ebx
; CHECK-NEXT: jb .LBB0_2
-; CHECK-NEXT: # %bb.3:
+; CHECK-NEXT: .LBB0_3:
; CHECK-NEXT: popq %rbx
-; CHECK-NEXT: .LBB0_4:
; CHECK-NEXT: retq
%3 = icmp eq i32 %0, 0
br i1 %3, label %8, label %4
define void @baz(i32 %0, i32 %1) nounwind {
; CHECK-LABEL: baz:
; CHECK: # %bb.0:
+; CHECK-NEXT: pushq %rbx
; CHECK-NEXT: testl %edi, %edi
-; CHECK-NEXT: je .LBB1_4
+; CHECK-NEXT: je .LBB1_3
; CHECK-NEXT: # %bb.1: # %.preheader
-; CHECK-NEXT: pushq %rbx
; CHECK-NEXT: movl %edi, %ebx
; CHECK-NEXT: decl %ebx
; CHECK-NEXT: .p2align 4, 0x90
; CHECK-NEXT: callq foo@PLT
; CHECK-NEXT: addl $-1, %ebx
; CHECK-NEXT: jae .LBB1_2
-; CHECK-NEXT: # %bb.3:
+; CHECK-NEXT: .LBB1_3:
; CHECK-NEXT: popq %rbx
-; CHECK-NEXT: .LBB1_4:
; CHECK-NEXT: retq
%3 = icmp eq i32 %0, 0
br i1 %3, label %8, label %4
define void @useLEA(ptr readonly %x) {
; ENABLE-LABEL: useLEA:
; ENABLE: ## %bb.0: ## %entry
+; ENABLE-NEXT: pushq %rax
+; ENABLE-NEXT: .cfi_def_cfa_offset 16
; ENABLE-NEXT: testq %rdi, %rdi
-; ENABLE-NEXT: je LBB8_9
+; ENABLE-NEXT: je LBB8_7
; ENABLE-NEXT: ## %bb.1: ## %if.end
; ENABLE-NEXT: cmpw $66, (%rdi)
-; ENABLE-NEXT: jne LBB8_9
+; ENABLE-NEXT: jne LBB8_7
; ENABLE-NEXT: ## %bb.2: ## %lor.lhs.false
-; ENABLE-NEXT: pushq %rax
-; ENABLE-NEXT: .cfi_def_cfa_offset 16
; ENABLE-NEXT: movq 8(%rdi), %rdi
; ENABLE-NEXT: movzwl (%rdi), %eax
; ENABLE-NEXT: leal -54(%rax), %ecx
; ENABLE-NEXT: cmpl $14, %ecx
; ENABLE-NEXT: ja LBB8_3
-; ENABLE-NEXT: ## %bb.7: ## %lor.lhs.false
+; ENABLE-NEXT: ## %bb.8: ## %lor.lhs.false
; ENABLE-NEXT: movl $24599, %edx ## imm = 0x6017
; ENABLE-NEXT: btl %ecx, %edx
; ENABLE-NEXT: jae LBB8_3
-; ENABLE-NEXT: LBB8_8:
-; ENABLE-NEXT: addq $8, %rsp
-; ENABLE-NEXT: LBB8_9: ## %cleanup
+; ENABLE-NEXT: LBB8_7: ## %cleanup
+; ENABLE-NEXT: popq %rax
; ENABLE-NEXT: retq
; ENABLE-NEXT: LBB8_3: ## %lor.lhs.false
; ENABLE-NEXT: cmpl $134, %eax
-; ENABLE-NEXT: je LBB8_8
+; ENABLE-NEXT: je LBB8_7
; ENABLE-NEXT: ## %bb.4: ## %lor.lhs.false
; ENABLE-NEXT: cmpl $140, %eax
-; ENABLE-NEXT: je LBB8_8
+; ENABLE-NEXT: je LBB8_7
; ENABLE-NEXT: ## %bb.5: ## %if.end.55
; ENABLE-NEXT: callq _find_temp_slot_from_address
; ENABLE-NEXT: testq %rax, %rax
-; ENABLE-NEXT: je LBB8_8
+; ENABLE-NEXT: je LBB8_7
; ENABLE-NEXT: ## %bb.6: ## %if.then.60
; ENABLE-NEXT: movb $1, 57(%rax)
-; ENABLE-NEXT: jmp LBB8_8
+; ENABLE-NEXT: popq %rax
+; ENABLE-NEXT: retq
;
; DISABLE-LABEL: useLEA:
; DISABLE: ## %bb.0: ## %entry
; CHECK-NEXT: mov w0, wzr
; CHECK-NEXT: ret
; CHECK-NEXT: .LBB0_5:
-; CHECK-NEXT: mov w0, #1 // =0x1
+; CHECK-NEXT: mov w0, #1
; CHECK-NEXT: ret
entry:
%cmp13 = icmp sgt i32 %c, 0
; CHECK-NEXT: mov w9, w0
; CHECK-NEXT: add x10, x1, #4
; CHECK-NEXT: add x11, x2, #8
-; CHECK-NEXT: mov w0, #1 // =0x1
+; CHECK-NEXT: mov w0, #1
; CHECK-NEXT: .LBB1_2: // %for.body
; CHECK-NEXT: // =>This Inner Loop Header: Depth=1
; CHECK-NEXT: ldr w12, [x10, x8, lsl #2]
; CHECK-NEXT: mov w0, wzr
; CHECK-NEXT: ret
; CHECK-NEXT: .LBB2_5:
-; CHECK-NEXT: mov w0, #1 // =0x1
+; CHECK-NEXT: mov w0, #1
; CHECK-NEXT: ret
entry:
%cmp13 = icmp sgt i32 %c, 0
define void @extrastride(i8* nocapture %main, i32 %main_stride, i32* nocapture %res, i32 %x, i32 %y, i32 %z) nounwind {
; X64-LABEL: extrastride:
; X64: # %bb.0: # %entry
+; X64-NEXT: pushq %rbx
; X64-NEXT: # kill: def $ecx killed $ecx def $rcx
; X64-NEXT: # kill: def $esi killed $esi def $rsi
; X64-NEXT: testl %r9d, %r9d
-; X64-NEXT: je .LBB2_4
+; X64-NEXT: je .LBB2_3
; X64-NEXT: # %bb.1: # %for.body.lr.ph
-; X64-NEXT: pushq %rbx
; X64-NEXT: leal (%rsi,%rsi), %r10d
; X64-NEXT: leal (%rsi,%rsi,2), %r11d
; X64-NEXT: addl %esi, %ecx
; X64-NEXT: addq %r8, %rdx
; X64-NEXT: decl %r9d
; X64-NEXT: jne .LBB2_2
-; X64-NEXT: # %bb.3:
+; X64-NEXT: .LBB2_3: # %for.end
; X64-NEXT: popq %rbx
-; X64-NEXT: .LBB2_4: # %for.end
; X64-NEXT: retq
;
; X32-LABEL: extrastride:
projects / platform / upstream / llvm.git / commitdiff