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-rw-r--r--llvm/lib/Transforms/Scalar/GuardWidening.cpp11
1 files changed, 6 insertions, 5 deletions
diff --git a/llvm/lib/Transforms/Scalar/GuardWidening.cpp b/llvm/lib/Transforms/Scalar/GuardWidening.cpp
index 69d9507b356..a3eba27a4d9 100644
--- a/llvm/lib/Transforms/Scalar/GuardWidening.cpp
+++ b/llvm/lib/Transforms/Scalar/GuardWidening.cpp
@@ -84,15 +84,16 @@ static Value *getCondition(Instruction *I) {
"Bad guard intrinsic?");
return GI->getArgOperand(0);
}
- if (isGuardAsWidenableBranch(I)) {
- auto *Cond = cast<BranchInst>(I)->getCondition();
- return cast<BinaryOperator>(Cond)->getOperand(0);
- }
+ Value *Cond, *WC;
+ BasicBlock *IfTrueBB, *IfFalseBB;
+ if (parseWidenableBranch(I, Cond, WC, IfTrueBB, IfFalseBB))
+ return Cond;
+
return cast<BranchInst>(I)->getCondition();
}
// Set the condition for \p I to \p NewCond. \p I can either be a guard or a
-// conditional branch.
+// conditional branch.
static void setCondition(Instruction *I, Value *NewCond) {
if (IntrinsicInst *GI = dyn_cast<IntrinsicInst>(I)) {
assert(GI->getIntrinsicID() == Intrinsic::experimental_guard &&
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