Sink getDwarfRegNum, getLLVMRegNum, getSEHRegNum from TargetRegisterInfo down

to MCRegisterInfo. Also initialize the mapping at construction time.

This patch eliminate TargetRegisterInfo from TargetAsmInfo. It's another step
towards fixing the layering violation.

llvm-svn: 135424

1 files changed, 1 insertions, 16 deletions

diff --git a/llvm/lib/Target/SystemZ/SystemZRegisterInfo.cpp b/llvm/lib/Target/SystemZ/SystemZRegisterInfo.cpp
index 59692e88336..b1050d46e55 100644
--- a/llvm/lib/Target/SystemZ/SystemZRegisterInfo.cpp
+++ b/llvm/lib/Target/SystemZ/SystemZRegisterInfo.cpp
@@ -33,7 +33,7 @@ using namespace llvm;
 
 SystemZRegisterInfo::SystemZRegisterInfo(SystemZTargetMachine &tm,
                                          const SystemZInstrInfo &tii)
-  : SystemZGenRegisterInfo(), TM(tm), TII(tii) {
+  : SystemZGenRegisterInfo(0), TM(tm), TII(tii) {
 }
 
 const unsigned*
@@ -126,11 +126,6 @@ SystemZRegisterInfo::eliminateFrameIndex(MachineBasicBlock::iterator II,
   MI.getOperand(i+1).ChangeToImmediate(Offset);
 }
 
-unsigned SystemZRegisterInfo::getRARegister() const {
-  assert(0 && "What is the return address register");
-  return 0;
-}
-
 unsigned
 SystemZRegisterInfo::getFrameRegister(const MachineFunction &MF) const {
   assert(0 && "What is the frame register");
@@ -146,13 +141,3 @@ unsigned SystemZRegisterInfo::getEHHandlerRegister() const {
   assert(0 && "What is the exception handler register");
   return 0;
 }
-
-int SystemZRegisterInfo::getDwarfRegNum(unsigned RegNum, bool isEH) const {
-  assert(0 && "What is the dwarf register number");
-  return -1;
-}
-
-int SystemZRegisterInfo::getLLVMRegNum(unsigned DwarfRegNo, bool isEH) const {
-  assert(0 && "What is the dwarf register number");
-  return -1;
-}