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-rw-r--r--llvm/lib/Transforms/Utils/SimplifyLibCalls.cpp4
1 files changed, 2 insertions, 2 deletions
diff --git a/llvm/lib/Transforms/Utils/SimplifyLibCalls.cpp b/llvm/lib/Transforms/Utils/SimplifyLibCalls.cpp
index 0324993a820..18a17119b47 100644
--- a/llvm/lib/Transforms/Utils/SimplifyLibCalls.cpp
+++ b/llvm/lib/Transforms/Utils/SimplifyLibCalls.cpp
@@ -364,8 +364,8 @@ Value *LibCallSimplifier::optimizeStrChr(CallInst *CI, IRBuilder<> &B) {
StringRef Str;
if (!getConstantStringInfo(SrcStr, Str)) {
if (CharC->isZero()) // strchr(p, 0) -> p + strlen(p)
- return B.CreateGEP(B.getInt8Ty(), SrcStr, emitStrLen(SrcStr, B, DL, TLI),
- "strchr");
+ if (Value *StrLen = emitStrLen(SrcStr, B, DL, TLI))
+ return B.CreateGEP(B.getInt8Ty(), SrcStr, StrLen, "strchr");
return nullptr;
}
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