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-rw-r--r--llvm/lib/Transforms/Utils/LibCallsShrinkWrap.cpp2
1 files changed, 2 insertions, 0 deletions
diff --git a/llvm/lib/Transforms/Utils/LibCallsShrinkWrap.cpp b/llvm/lib/Transforms/Utils/LibCallsShrinkWrap.cpp
index cf56a589c9b..c9924984bb5 100644
--- a/llvm/lib/Transforms/Utils/LibCallsShrinkWrap.cpp
+++ b/llvm/lib/Transforms/Utils/LibCallsShrinkWrap.cpp
@@ -317,6 +317,8 @@ void LibCallsShrinkWrap::checkCandidate(CallInst &CI) {
if (!TLI.getLibFunc(*Callee, Func) || !TLI.has(Func))
return;
+ if (CI.getNumArgOperands() == 0)
+ return;
// TODO: Handle long double in other formats.
Type *ArgType = CI.getArgOperand(0)->getType();
if (!(ArgType->isFloatTy() || ArgType->isDoubleTy() ||
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