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do not set realloc() as NotAlias, since it can return the same pointer. This whole thing should be upgraded to use the MemoryBuiltin interface anyway..

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llvm-svn: 159173
This commit is contained in:
Nuno Lopes 2012-06-25 22:55:50 +00:00
parent bd339c27e1
commit d9d8ad5188
2 changed files with 1 additions and 2 deletions
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1
lib/Transforms/Scalar/SimplifyLibCalls.cpp
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@ -1942,7 +1942,6 @@ void SimplifyLibCalls::inferPrototypeAttributes(Function &F) {
!FTy->getReturnType()->isPointerTy())
return;
setDoesNotThrow(F);
setDoesNotAlias(F, 0);
setDoesNotCapture(F, 1);
} else if (Name == "read") {
if (FTy->getNumParams() != 3 ||

2
test/Transforms/SimplifyLibCalls/2009-01-04-Annotate.ll
View File

@ -1,5 +1,5 @@
; RUN: opt < %s -simplify-libcalls -S > %t
; RUN: grep noalias %t | count 2
; RUN: grep noalias %t | count 1
; RUN: grep nocapture %t | count 3
; RUN: grep nounwind %t | count 3
; RUN: grep readonly %t | count 1