X-Git-Url: http://plrg.eecs.uci.edu/git/?p=oota-llvm.git;a=blobdiff_plain;f=lib%2FIR%2FMDBuilder.cpp;h=b4c5ca7c6a12043c8de3ccd4eb7f4a170ff46c9f;hp=354592df4c96750a7022d77d81908659b82788f5;hb=d99743584054e04fc054fc1f0c1e2fa2b9657e0a;hpb=8a6a249f6b362dbba4b850b71f5070903a847eea

diff --git a/lib/IR/MDBuilder.cpp b/lib/IR/MDBuilder.cpp
index 354592df4c9..b4c5ca7c6a1 100644
--- a/lib/IR/MDBuilder.cpp
+++ b/lib/IR/MDBuilder.cpp
@@ -168,9 +168,16 @@ MDNode *MDBuilder::createTBAAScalarTypeNode(StringRef Name, MDNode *Parent,
 /// \brief Return metadata for a TBAA tag node with the given
 /// base type, access type and offset relative to the base type.
 MDNode *MDBuilder::createTBAAStructTagNode(MDNode *BaseType, MDNode *AccessType,
-                                           uint64_t Offset) {
+                                           uint64_t Offset, bool IsConstant) {
   Type *Int64 = Type::getInt64Ty(Context);
-  Metadata *Ops[3] = {BaseType, AccessType,
-                      createConstant(ConstantInt::get(Int64, Offset))};
-  return MDNode::get(Context, Ops);
+  if (IsConstant) {
+    Metadata *Ops[4] = {BaseType, AccessType,
+                        createConstant(ConstantInt::get(Int64, Offset)),
+                        createConstant(ConstantInt::get(Int64, 1))};
+    return MDNode::get(Context, Ops);
+  } else {
+    Metadata *Ops[3] = {BaseType, AccessType,
+                        createConstant(ConstantInt::get(Int64, Offset))};
+    return MDNode::get(Context, Ops);
+  }
 }