Make CodeGen TBAA-aware.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@116890 91177308-0d34-0410-b5e6-96231b3b80d8

1 files changed, 5 insertions, 1 deletions

diff --git a/include/llvm/CodeGen/MachineMemOperand.h b/include/llvm/CodeGen/MachineMemOperand.h
index d03e51083e..cabd129353 100644
--- a/include/llvm/CodeGen/MachineMemOperand.h
+++ b/include/llvm/CodeGen/MachineMemOperand.h
@@ -82,6 +82,7 @@ class MachineMemOperand {
   MachinePointerInfo PtrInfo;
   uint64_t Size;
   unsigned Flags;
+  const MDNode *TBAAInfo;
 
 public:
   /// Flags values. These may be or'd together.
@@ -101,7 +102,7 @@ public:
   /// MachineMemOperand - Construct an MachineMemOperand object with the
   /// specified PtrInfo, flags, size, and base alignment.
   MachineMemOperand(MachinePointerInfo PtrInfo, unsigned flags, uint64_t s,
-                    unsigned base_alignment);
+                    unsigned base_alignment, const MDNode *TBAAInfo = 0);
 
   const MachinePointerInfo &getPointerInfo() const { return PtrInfo; }
   
@@ -133,6 +134,9 @@ public:
   /// base address, without the offset.
   uint64_t getBaseAlignment() const { return (1u << (Flags >> MOMaxBits)) >> 1; }
 
+  /// getTBAAInfo - Return the TBAA tag for the memory reference.
+  const MDNode *getTBAAInfo() const { return TBAAInfo; }
+
   bool isLoad() const { return Flags & MOLoad; }
   bool isStore() const { return Flags & MOStore; }
   bool isVolatile() const { return Flags & MOVolatile; }