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path: root/lib/Transforms/Utils/SimplifyLibCalls.cpp
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-rw-r--r--lib/Transforms/Utils/SimplifyLibCalls.cpp2
1 files changed, 1 insertions, 1 deletions
diff --git a/lib/Transforms/Utils/SimplifyLibCalls.cpp b/lib/Transforms/Utils/SimplifyLibCalls.cpp
index 2c1c30463a23..9e71d746de34 100644
--- a/lib/Transforms/Utils/SimplifyLibCalls.cpp
+++ b/lib/Transforms/Utils/SimplifyLibCalls.cpp
@@ -537,7 +537,7 @@ Value *LibCallSimplifier::optimizeStrTo(CallInst *CI, IRBuilder<> &B) {
if (isa<ConstantPointerNull>(EndPtr)) {
// With a null EndPtr, this function won't capture the main argument.
// It would be readonly too, except that it still may write to errno.
- CI->addAttribute(1, Attribute::NoCapture);
+ CI->addParamAttr(0, Attribute::NoCapture);
}
return nullptr;