commit 079b49550dafc5eefa27c58817e613fd1b1c4309
author Nuno Lopes <nunoplopes@sapo.pt> Mon Dec 07 18:30:06 2009 +0000
committer Nuno Lopes <nunoplopes@sapo.pt> Mon Dec 07 18:30:06 2009 +0000
tree 3c8f1278ad719053461bff9d5f5daf24d8eca754
parent 7ca7987669fcd14d91b4227a9ddcf7fdd8b1f8c2

implement PR5274: mark 'restrict' parameters as noalias

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@90778 91177308-0d34-0410-b5e6-96231b3b80d8

lib/CodeGen/CGCall.cpp

diff --git a/lib/CodeGen/CGCall.cpp b/lib/CodeGen/CGCall.cpp
index 62a5792..4856f54 100644
--- a/lib/CodeGen/CGCall.cpp
+++ b/lib/CodeGen/CGCall.cpp
@@ -561,6 +561,9 @@
     const ABIArgInfo &AI = it->info;
     unsigned Attributes = 0;
 
+    if (ParamType.isRestrictQualified())
+      Attributes |= llvm::Attribute::NoAlias;
+
     switch (AI.getKind()) {
     case ABIArgInfo::Coerce:
       break;