commit fd99cabdc6de1eadda0e9a45d0acc8aa7c2f8f67
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 221405a8540bdab11f48fb7e10c50a7ecfa46dc5
parent a88d0edb495212d08357550a5bcbde9e924a9969

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

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@159175 91177308-0d34-0410-b5e6-96231b3b80d8

lib/Transforms/Scalar/SimplifyLibCalls.cpp

diff --git a/lib/Transforms/Scalar/SimplifyLibCalls.cpp b/lib/Transforms/Scalar/SimplifyLibCalls.cpp
index 1100d6d..99b0538 100644
--- a/lib/Transforms/Scalar/SimplifyLibCalls.cpp
+++ b/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 ||