add some helpful accessors.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@114400 91177308-0d34-0410-b5e6-96231b3b80d8

2 files changed, 13 insertions, 0 deletions

diff --git a/include/llvm/CodeGen/MachineMemOperand.h b/include/llvm/CodeGen/MachineMemOperand.h
index 0804f46..532ed7c 100644
--- a/include/llvm/CodeGen/MachineMemOperand.h
+++ b/include/llvm/CodeGen/MachineMemOperand.h
@@ -39,6 +39,15 @@ struct MachinePointerInfo {
   
   explicit MachinePointerInfo(const Value *v, int64_t offset = 0)
     : V(v), Offset(offset) {}
+  
+  MachinePointerInfo getWithOffset(int64_t O) const {
+    if (V == 0) return MachinePointerInfo(0, 0);
+    return MachinePointerInfo(V, Offset+O);
+  }
+  
+  /// getAddrSpace - Return the LLVM IR address space number that this pointer
+  /// points into.
+  unsigned getAddrSpace() const;
 };
   
   
diff --git a/include/llvm/CodeGen/SelectionDAGNodes.h b/include/llvm/CodeGen/SelectionDAGNodes.h
index 4cf6f36..af4c2d1 100644
--- a/include/llvm/CodeGen/SelectionDAGNodes.h
+++ b/include/llvm/CodeGen/SelectionDAGNodes.h
@@ -909,6 +909,10 @@ public:
   /// reference performed by operation.
   MachineMemOperand *getMemOperand() const { return MMO; }
 
+  const MachinePointerInfo &getPointerInfo() const {
+    return MMO->getPointerInfo();
+  }
+  
   /// refineAlignment - Update this MemSDNode's MachineMemOperand information
   /// to reflect the alignment of NewMMO, if it has a greater alignment.
   /// This must only be used when the new alignment applies to all users of