Rename SSARegMap -> MachineRegisterInfo in keeping with the idea

that "machine" classes are used to represent the current state of
the code being compiled.  Given this expanded name, we can start 
moving other stuff into it.  For now, move the UsedPhysRegs and
LiveIn/LoveOuts vectors from MachineFunction into it.

Update all the clients to match.

This also reduces some needless #includes, such as MachineModuleInfo
from MachineFunction.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@45467 91177308-0d34-0410-b5e6-96231b3b80d8

1 files changed, 12 insertions, 11 deletions

diff --git a/lib/Target/ARM/ARMRegisterInfo.cpp b/lib/Target/ARM/ARMRegisterInfo.cpp
index 979410a58f..8328cef934 100644
--- a/lib/Target/ARM/ARMRegisterInfo.cpp
+++ b/lib/Target/ARM/ARMRegisterInfo.cpp
@@ -24,6 +24,7 @@
 #include "llvm/CodeGen/MachineFunction.h"
 #include "llvm/CodeGen/MachineInstrBuilder.h"
 #include "llvm/CodeGen/MachineLocation.h"
+#include "llvm/CodeGen/MachineRegisterInfo.h"
 #include "llvm/CodeGen/RegisterScavenging.h"
 #include "llvm/Target/TargetFrameInfo.h"
 #include "llvm/Target/TargetMachine.h"
@@ -1206,14 +1207,14 @@ ARMRegisterInfo::processFunctionBeforeCalleeSavedScan(MachineFunction &MF,
   for (unsigned i = 0; CSRegs[i]; ++i) {
     unsigned Reg = CSRegs[i];
     bool Spilled = false;
-    if (MF.isPhysRegUsed(Reg)) {
+    if (MF.getRegInfo().isPhysRegUsed(Reg)) {
       AFI->setCSRegisterIsSpilled(Reg);
       Spilled = true;
       CanEliminateFrame = false;
     } else {
       // Check alias registers too.
       for (const unsigned *Aliases = getAliasSet(Reg); *Aliases; ++Aliases) {
-        if (MF.isPhysRegUsed(*Aliases)) {
+        if (MF.getRegInfo().isPhysRegUsed(*Aliases)) {
           Spilled = true;
           CanEliminateFrame = false;
         }
@@ -1286,7 +1287,7 @@ ARMRegisterInfo::processFunctionBeforeCalleeSavedScan(MachineFunction &MF,
     // If LR is not spilled, but at least one of R4, R5, R6, and R7 is spilled.
     // Spill LR as well so we can fold BX_RET to the registers restore (LDM).
     if (!LRSpilled && CS1Spilled) {
-      MF.setPhysRegUsed(ARM::LR);
+      MF.getRegInfo().setPhysRegUsed(ARM::LR);
       AFI->setCSRegisterIsSpilled(ARM::LR);
       NumGPRSpills++;
       UnspilledCS1GPRs.erase(std::find(UnspilledCS1GPRs.begin(),
@@ -1298,7 +1299,7 @@ ARMRegisterInfo::processFunctionBeforeCalleeSavedScan(MachineFunction &MF,
     // Darwin ABI requires FP to point to the stack slot that contains the
     // previous FP.
     if (STI.isTargetDarwin() || hasFP(MF)) {
-      MF.setPhysRegUsed(FramePtr);
+      MF.getRegInfo().setPhysRegUsed(FramePtr);
       NumGPRSpills++;
     }
 
@@ -1312,7 +1313,7 @@ ARMRegisterInfo::processFunctionBeforeCalleeSavedScan(MachineFunction &MF,
           unsigned Reg = UnspilledCS1GPRs[i];
           // Don't spiil high register if the function is thumb
           if (!AFI->isThumbFunction() || isLowRegister(Reg) || Reg == ARM::LR) {
-            MF.setPhysRegUsed(Reg);
+            MF.getRegInfo().setPhysRegUsed(Reg);
             AFI->setCSRegisterIsSpilled(Reg);
             if (!isReservedReg(MF, Reg))
               ExtraCSSpill = true;
@@ -1322,7 +1323,7 @@ ARMRegisterInfo::processFunctionBeforeCalleeSavedScan(MachineFunction &MF,
       } else if (!UnspilledCS2GPRs.empty() &&
                  !AFI->isThumbFunction()) {
         unsigned Reg = UnspilledCS2GPRs.front();
-        MF.setPhysRegUsed(Reg);
+        MF.getRegInfo().setPhysRegUsed(Reg);
         AFI->setCSRegisterIsSpilled(Reg);
         if (!isReservedReg(MF, Reg))
           ExtraCSSpill = true;
@@ -1378,7 +1379,7 @@ ARMRegisterInfo::processFunctionBeforeCalleeSavedScan(MachineFunction &MF,
         }
         if (Extras.size() && NumExtras == 0) {
           for (unsigned i = 0, e = Extras.size(); i != e; ++i) {
-            MF.setPhysRegUsed(Extras[i]);
+            MF.getRegInfo().setPhysRegUsed(Extras[i]);
             AFI->setCSRegisterIsSpilled(Extras[i]);
           }
         } else {
@@ -1392,7 +1393,7 @@ ARMRegisterInfo::processFunctionBeforeCalleeSavedScan(MachineFunction &MF,
   }
 
   if (ForceLRSpill) {
-    MF.setPhysRegUsed(ARM::LR);
+    MF.getRegInfo().setPhysRegUsed(ARM::LR);
     AFI->setCSRegisterIsSpilled(ARM::LR);
     AFI->setLRIsSpilledForFarJump(true);
   }
@@ -1446,9 +1447,9 @@ void ARMRegisterInfo::emitPrologue(MachineFunction &MF) const {
 
   if (isThumb) {
     // Check if R3 is live in. It might have to be used as a scratch register.
-    for (MachineFunction::livein_iterator I=MF.livein_begin(),E=MF.livein_end();
-         I != E; ++I) {
-      if ((*I).first == ARM::R3) {
+    for (MachineRegisterInfo::livein_iterator I =MF.getRegInfo().livein_begin(),
+         E = MF.getRegInfo().livein_end(); I != E; ++I) {
+      if (I->first == ARM::R3) {
         AFI->setR3IsLiveIn(true);
         break;
       }