From: Nuno Lopes <nunoplopes@sapo.pt>
Date: Mon, 7 Dec 2009 18:30:06 +0000 (+0000)
Subject: implement PR5274: mark 'restrict' parameters as noalias
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=079b49550dafc5eefa27c58817e613fd1b1c4309;p=clang

implement PR5274: mark 'restrict' parameters as noalias

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

diff --git a/lib/CodeGen/CGCall.cpp b/lib/CodeGen/CGCall.cpp
index 62a5792d27..4856f5404c 100644
--- a/lib/CodeGen/CGCall.cpp
+++ b/lib/CodeGen/CGCall.cpp
@@ -561,6 +561,9 @@ void CodeGenModule::ConstructAttributeList(const CGFunctionInfo &FI,
     const ABIArgInfo &AI = it->info;
     unsigned Attributes = 0;
 
+    if (ParamType.isRestrictQualified())
+      Attributes |= llvm::Attribute::NoAlias;
+
     switch (AI.getKind()) {
     case ABIArgInfo::Coerce:
       break;