From 83517637095060bc045a879caeecd2f2d8ea0e1f Mon Sep 17 00:00:00 2001 From: Fangrui Song Date: Tue, 17 Sep 2019 09:56:55 +0000 Subject: [PATCH] [SimplifyLibCalls] Fix -Wunused-result after D53342/r372091 llvm-svn: 372096 --- llvm/lib/Transforms/Utils/SimplifyLibCalls.cpp | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/llvm/lib/Transforms/Utils/SimplifyLibCalls.cpp b/llvm/lib/Transforms/Utils/SimplifyLibCalls.cpp index 9dfb016..526988d 100644 --- a/llvm/lib/Transforms/Utils/SimplifyLibCalls.cpp +++ b/llvm/lib/Transforms/Utils/SimplifyLibCalls.cpp @@ -612,7 +612,8 @@ Value *LibCallSimplifier::optimizeStrNCpy(CallInst *CI, IRBuilder<> &B) { // strncpy(x, "", y) -> memset(align 1 x, '\0', y) CallInst *NewCI = B.CreateMemSet(Dst, B.getInt8('\0'), Size, 1); AttrBuilder ArgAttrs(CI->getAttributes().getParamAttributes(0)); - NewCI->getAttributes().addParamAttributes(CI->getContext(), 0, ArgAttrs); + NewCI->setAttributes(NewCI->getAttributes().addParamAttributes( + CI->getContext(), 0, ArgAttrs)); return Dst; } -- 2.7.4