commit 73247d2edc860c4c4ca6f2d5b3fef38d6ac0f68a
author Duncan Sands <baldrick@free.fr> Sat Feb 14 10:56:35 2009 +0000
committer Duncan Sands <baldrick@free.fr> Sat Feb 14 10:56:35 2009 +0000
tree 02ec868c32ef2459224c76d75a65c1d5f38965b8
parent 0575bfdeaace7237e1bd83ae22cf5a19182f2d3d

Generalize some alias analysis logic from atomic
intrinsics to any IntrWriteArgMem intrinsics.

llvm-svn: 64551

llvm/lib/Analysis/AliasAnalysis.cpp

diff --git a/llvm/lib/Analysis/AliasAnalysis.cpp b/llvm/lib/Analysis/AliasAnalysis.cpp
index 67b2faa..c5523ec 100644
--- a/llvm/lib/Analysis/AliasAnalysis.cpp
+++ b/llvm/lib/Analysis/AliasAnalysis.cpp
@@ -124,8 +124,13 @@
     if (F->doesNotAccessMemory())
       // Can't do better than this.
       return DoesNotAccessMemory;
-    else if (F->onlyReadsMemory())
+    if (F->onlyReadsMemory())
       return OnlyReadsMemory;
+    if (unsigned id = F->getIntrinsicID()) {
+#define GET_INTRINSIC_MODREF_BEHAVIOR
+#include "llvm/Intrinsics.gen"
+#undef GET_INTRINSIC_MODREF_BEHAVIOR
+    }
   }
   return UnknownModRefBehavior;
 }