Minor refactoring of CC Lowering interfaces

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34656 91177308-0d34-0410-b5e6-96231b3b80d8

lib/CodeGen/SelectionDAG/CallingConvLower.cpp

@@ -14,9 +14,12 @@
 
 #include "llvm/CodeGen/CallingConvLower.h"
 #include "llvm/Target/MRegisterInfo.h"
+#include "llvm/Target/TargetMachine.h"
 using namespace llvm;
 
-CCState::CCState(const MRegisterInfo &mri) : MRI(mri) {
+CCState::CCState(unsigned CC, const TargetMachine &tm,
+                 SmallVector<CCValAssign, 16> &locs)
+  : CallingConv(CC), TM(tm), MRI(*TM.getRegisterInfo()), Locs(locs) {
   // No stack is used.
   StackOffset = 0;