From 40a858f6e71ed8d68779d00c63dad15baded3562 Mon Sep 17 00:00:00 2001
From: Chris Lattner <sabre@nondot.org>
Date: Tue, 21 Sep 2010 05:39:30 +0000
Subject: [PATCH] add some helpful accessors.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@114400 91177308-0d34-0410-b5e6-96231b3b80d8
---
 include/llvm/CodeGen/MachineMemOperand.h | 9 +++++++++
 include/llvm/CodeGen/SelectionDAGNodes.h | 4 ++++
 lib/CodeGen/MachineInstr.cpp             | 8 ++++++++
 3 files changed, 21 insertions(+)

diff --git a/include/llvm/CodeGen/MachineMemOperand.h b/include/llvm/CodeGen/MachineMemOperand.h
index 0804f46ae92..532ed7cbcbe 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 4cf6f367edf..af4c2d1c582 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
diff --git a/lib/CodeGen/MachineInstr.cpp b/lib/CodeGen/MachineInstr.cpp
index a953597c7e4..acab289953d 100644
--- a/lib/CodeGen/MachineInstr.cpp
+++ b/lib/CodeGen/MachineInstr.cpp
@@ -335,6 +335,14 @@ void MachineOperand::print(raw_ostream &OS, const TargetMachine *TM) const {
 // MachineMemOperand Implementation
 //===----------------------------------------------------------------------===//
 
+/// getAddrSpace - Return the LLVM IR address space number that this pointer
+/// points into.
+unsigned MachinePointerInfo::getAddrSpace() const {
+  if (V == 0) return 0;
+  return cast<PointerType>(V->getType())->getAddressSpace();
+}
+
+
 MachineMemOperand::MachineMemOperand(MachinePointerInfo ptrinfo, unsigned f,
                                      uint64_t s, unsigned int a)
   : PtrInfo(ptrinfo), Size(s),
-- 
2.34.1