commit 31b54a53793bb61dc584da3a256deadfbc2e6098
author Nuno Lopes <nunoplopes@sapo.pt> Mon Jun 25 23:26:10 2012 +0000
committer Nuno Lopes <nunoplopes@sapo.pt> Mon Jun 25 23:26:10 2012 +0000
tree f90b583ec7a844c0bfde9cb7842e7824ac9a827d
parent 07c43bea93d03d11780f498709e22d60e267d512

revert my previous commit (r159173), since as Eli pointed out, it's perfectly ok to mark realloc as noalias

llvm-svn: 159175

llvm/lib/Transforms/Scalar/SimplifyLibCalls.cpp

diff --git a/llvm/lib/Transforms/Scalar/SimplifyLibCalls.cpp b/llvm/lib/Transforms/Scalar/SimplifyLibCalls.cpp
index 1100d6d..99b0538 100644
--- a/llvm/lib/Transforms/Scalar/SimplifyLibCalls.cpp
+++ b/llvm/lib/Transforms/Scalar/SimplifyLibCalls.cpp
@@ -1942,6 +1942,7 @@
           !FTy->getReturnType()->isPointerTy())
         return;
       setDoesNotThrow(F);
+      setDoesNotAlias(F, 0);
       setDoesNotCapture(F, 1);
     } else if (Name == "read") {
       if (FTy->getNumParams() != 3 ||