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-rw-r--r--llvm/lib/Transforms/Scalar/GVNPRE.cpp10
1 files changed, 3 insertions, 7 deletions
diff --git a/llvm/lib/Transforms/Scalar/GVNPRE.cpp b/llvm/lib/Transforms/Scalar/GVNPRE.cpp
index ef70f679bcf..b1b096e3504 100644
--- a/llvm/lib/Transforms/Scalar/GVNPRE.cpp
+++ b/llvm/lib/Transforms/Scalar/GVNPRE.cpp
@@ -887,13 +887,9 @@ bool GVNPRE::buildsets_anticin(BasicBlock* BB,
// However, for opaques, such as constants within PHI nodes, it is
// possible that they have not yet received a number. Make sure they do
// so now.
- uint32_t valNum = 0;
- if (isa<BinaryOperator>(*I) || isa<CmpInst>(*I))
- valNum = VN.lookup(*I);
- else
- valNum = VN.lookup_or_add(*I);
- if (find_leader(anticIn, valNum) == 0)
- val_insert(anticIn, *I);
+ if (!isa<BinaryOperator>(*I) && !isa<CmpInst>(*I))
+ VN.lookup_or_add(*I);
+ val_insert(anticIn, *I);
}
clean(anticIn);
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