[CodeGen] Take a MachineMemOperand::Flags in MachineFunction::getMachineMemOperand.

Summary:
Previously we took an unsigned.

Hooray for type-safety.

Reviewers: chandlerc

Subscribers: dsanders, llvm-commits

Differential Revision: http://reviews.llvm.org/D22282

llvm-svn: 275591
diff --git a/llvm/lib/Target/ARM/ARMFastISel.cpp b/llvm/lib/Target/ARM/ARMFastISel.cpp
index 1092cb4..0f11ac9 100644
--- a/llvm/lib/Target/ARM/ARMFastISel.cpp
+++ b/llvm/lib/Target/ARM/ARMFastISel.cpp
@@ -209,7 +209,7 @@
     const MachineInstrBuilder &AddOptionalDefs(const MachineInstrBuilder &MIB);
     void AddLoadStoreOperands(MVT VT, Address &Addr,
                               const MachineInstrBuilder &MIB,
-                              unsigned Flags, bool useAM3);
+                              MachineMemOperand::Flags Flags, bool useAM3);
 };
 
 } // end anonymous namespace
@@ -873,7 +873,8 @@
 
 void ARMFastISel::AddLoadStoreOperands(MVT VT, Address &Addr,
                                        const MachineInstrBuilder &MIB,
-                                       unsigned Flags, bool useAM3) {
+                                       MachineMemOperand::Flags Flags,
+                                       bool useAM3) {
   // addrmode5 output depends on the selection dag addressing dividing the
   // offset by 4 that it then later multiplies. Do this here as well.
   if (VT.SimpleTy == MVT::f32 || VT.SimpleTy == MVT::f64)