[llvm] r372096 - [SimplifyLibCalls] Fix -Wunused-result after D53342/r372091

Fangrui Song via llvm-commits llvm-commits at lists.llvm.org
Tue Sep 17 02:56:55 PDT 2019


Author: maskray
Date: Tue Sep 17 02:56:55 2019
New Revision: 372096

URL: http://llvm.org/viewvc/llvm-project?rev=372096&view=rev
Log:
[SimplifyLibCalls] Fix -Wunused-result after D53342/r372091

Modified:
    llvm/trunk/lib/Transforms/Utils/SimplifyLibCalls.cpp

Modified: llvm/trunk/lib/Transforms/Utils/SimplifyLibCalls.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Transforms/Utils/SimplifyLibCalls.cpp?rev=372096&r1=372095&r2=372096&view=diff
==============================================================================
--- llvm/trunk/lib/Transforms/Utils/SimplifyLibCalls.cpp (original)
+++ llvm/trunk/lib/Transforms/Utils/SimplifyLibCalls.cpp Tue Sep 17 02:56:55 2019
@@ -612,7 +612,8 @@ Value *LibCallSimplifier::optimizeStrNCp
     // 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;
   }
 




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