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-rw-r--r--llvm/lib/Analysis/GuardUtils.cpp9
1 files changed, 7 insertions, 2 deletions
diff --git a/llvm/lib/Analysis/GuardUtils.cpp b/llvm/lib/Analysis/GuardUtils.cpp
index c099ee8e41c..cad92f6e56b 100644
--- a/llvm/lib/Analysis/GuardUtils.cpp
+++ b/llvm/lib/Analysis/GuardUtils.cpp
@@ -39,6 +39,11 @@ bool llvm::parseWidenableBranch(const User *U, Value *&Condition,
Value *&WidenableCondition,
BasicBlock *&IfTrueBB, BasicBlock *&IfFalseBB) {
using namespace llvm::PatternMatch;
- return match(U, m_Br(m_And(m_Value(Condition), m_Value(WidenableCondition)),
- IfTrueBB, IfFalseBB));
+ if (!match(U, m_Br(m_And(m_Value(Condition), m_Value(WidenableCondition)),
+ IfTrueBB, IfFalseBB)))
+ return false;
+ // TODO: At the moment, we only recognize the branch if the WC call in this
+ // specific position. We should generalize!
+ return match(WidenableCondition,
+ m_Intrinsic<Intrinsic::experimental_widenable_condition>());
}
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