else
MaxDuplicateCount = TailDuplicateSize;
- // If the block to be duplicated ends in an unanalyzable fallthrough, don't
- // duplicate it.
- // A similar check is necessary in MachineBlockPlacement to make sure pairs of
- // blocks with unanalyzable fallthrough get layed out contiguously.
- MachineBasicBlock *PredTBB = nullptr, *PredFBB = nullptr;
- SmallVector<MachineOperand, 4> PredCond;
- if (TII->analyzeBranch(TailBB, PredTBB, PredFBB, PredCond, true)
- && TailBB.canFallThrough())
- return false;
-
// If the target has hardware branch prediction that can handle indirect
// branches, duplicating them can often make them predictable when there
// are common paths through the code. The limit needs to be high enough
+++ /dev/null
-; RUN: llc -O2 < %s | FileCheck %s
-target datalayout = "e-m:e-i64:64-n32:64"
-target triple = "powerpc64le-unknown-linux-gnu"
-
-; Check that the conditional return block of fmax_double3.exit was not
-; duplicated into the if.then.i block
-; CHECK: # %if.then.i
-; CHECK: lxvd2x
-; CHECK: stxvd2x
-; CHECK-NOT: bclr
-; CHECK: {{^}}.LBB{{[0-9_]+}}:
-; CHECK-SAME: # %fmax_double3.exit
-; CHECK: bclr
-; CHECK: # %if.then
-; Function Attrs: nounwind
-define void @__fmax_double3_3D_exec(<2 x double>* %input6, i1 %bool1, i1 %bool2) #0 {
-entry:
- br i1 %bool1, label %if.then.i, label %fmax_double3.exit
-
-if.then.i: ; preds = %entry
- store <2 x double> zeroinitializer, <2 x double>* %input6, align 32
- br label %fmax_double3.exit
-
-fmax_double3.exit: ; preds = %if.then.i, %entry
- br i1 %bool2, label %if.then, label %do.end
-
-if.then: ; preds = %fmax_double3.exit
- unreachable
-
-do.end: ; preds = %fmax_double3.exit
- ret void
-}
-
-attributes #0 = { nounwind }