add some helpful accessors.

llvm-svn: 114400
2010-09-21 05:39:30 +00:00
parent bc419ba98f
commit de93bb065d
3 changed files with 21 additions and 0 deletions
--- a/llvm/lib/CodeGen/MachineInstr.cpp
+++ b/llvm/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),