[X86][Haswell][SchedModel] Add architecture specific scheduling models.

[oota-llvm.git] / lib / Analysis / TypeBasedAliasAnalysis.cpp

diff --git a/lib/Analysis/TypeBasedAliasAnalysis.cpp b/lib/Analysis/TypeBasedAliasAnalysis.cpp
index c68ba5af9aa1a0fd846b0daa96646f44da5f1e25..27b469a43b01f4998a19c15d7e4ffe434671bdf2 100644 (file)
--- a/lib/Analysis/TypeBasedAliasAnalysis.cpp
+++ b/lib/Analysis/TypeBasedAliasAnalysis.cpp
@@ -618,5 +618,17 @@ void Instruction::getAAMetadata(AAMDNodes &N, bool Merge) const {
                                         getMetadata(LLVMContext::MD_tbaa));
   else
     N.TBAA = getMetadata(LLVMContext::MD_tbaa);
+
+  if (Merge)
+    N.Scope = MDNode::intersect(N.Scope,
+                                getMetadata(LLVMContext::MD_alias_scope));
+  else
+    N.Scope = getMetadata(LLVMContext::MD_alias_scope);
+
+  if (Merge)
+    N.NoAlias = MDNode::intersect(N.NoAlias,
+                                  getMetadata(LLVMContext::MD_noalias));
+  else
+    N.NoAlias = getMetadata(LLVMContext::MD_noalias);
 }