const Instruction *TI = BB->getTerminator();
assert(TI->getNumSuccessors() > 1 && "expected more than one successor!");
if (!(isa<BranchInst>(TI) || isa<SwitchInst>(TI) || isa<IndirectBrInst>(TI) ||
- isa<InvokeInst>(TI)))
+ isa<InvokeInst>(TI) || isa<CallBrInst>(TI)))
return false;
MDNode *WeightsNode = TI->getMetadata(LLVMContext::MD_prof);
ExpectedNumOperands = IBI->getNumDestinations();
else if (isa<SelectInst>(&I))
ExpectedNumOperands = 2;
+ else if (CallBrInst *CI = dyn_cast<CallBrInst>(&I))
+ ExpectedNumOperands = CI->getNumSuccessors();
else
CheckFailed("!prof branch_weights are not allowed for this instruction",
MD);
if (TI->getNumSuccessors() < 2)
continue;
if (!(isa<BranchInst>(TI) || isa<SwitchInst>(TI) ||
- isa<IndirectBrInst>(TI) || isa<InvokeInst>(TI)))
+ isa<IndirectBrInst>(TI) || isa<InvokeInst>(TI) ||
+ isa<CallBrInst>(TI)))
continue;
if (getBBInfo(&BB).CountValue == 0)
--- /dev/null
+# :ir is the flag to indicate this is IR level profile.
+:ir
+a
+784007059655560962
+2
+100
+80
+
; RUN: opt -passes=pgo-instr-gen -S 2>&1 < %s | FileCheck %s
+;
+; RUN: llvm-profdata merge %S/Inputs/callbr.proftext -o %t.profdata
+; RUN: opt < %s -passes=pgo-instr-use -pgo-test-profile-file=%t.profdata -S | FileCheck %s --check-prefix=USE
+
define i32 @a() {
entry:
%0 = load i32, ptr %retval, align 4
ret i32 %0
}
+; USE-LABEL: @a
+; USE-SAME: !prof ![[BW_ENTRY:[0-9]+]]
+; USE: callbr void asm sideeffect
+; USE: to label
+; USE-SAME: !prof ![[BW_CALLBR:[0-9]+]]
+; USE ![[BW_ENTRY]] = !{!"function_entry_count", i64 100}
+; USE ![[BW_CALLBR]] = !{!"branch_weights", i32 80, i32 20}
+