[llvm] r232013 - Remove the need to cache the subtarget in the Sparc TargetRegisterInfo

[Eric Christopher]

Author: echristo
Date: Thu Mar 12 00:55:26 2015
New Revision: 232013

URL: http://llvm.org/viewvc/llvm-project?rev=232013&view=rev
Log:
Remove the need to cache the subtarget in the Sparc TargetRegisterInfo
classes.

Modified:
    llvm/trunk/lib/Target/Sparc/SparcInstrInfo.cpp
    llvm/trunk/lib/Target/Sparc/SparcInstrInfo.h
    llvm/trunk/lib/Target/Sparc/SparcRegisterInfo.cpp
    llvm/trunk/lib/Target/Sparc/SparcRegisterInfo.h

Modified: llvm/trunk/lib/Target/Sparc/SparcInstrInfo.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Target/Sparc/SparcInstrInfo.cpp?rev=232013&r1=232012&r2=232013&view=diff
==============================================================================
--- llvm/trunk/lib/Target/Sparc/SparcInstrInfo.cpp (original)
+++ llvm/trunk/lib/Target/Sparc/SparcInstrInfo.cpp Thu Mar 12 00:55:26 2015
@@ -33,9 +33,8 @@ using namespace llvm;
 void SparcInstrInfo::anchor() {}
 
 SparcInstrInfo::SparcInstrInfo(SparcSubtarget &ST)
-  : SparcGenInstrInfo(SP::ADJCALLSTACKDOWN, SP::ADJCALLSTACKUP),
-    RI(ST), Subtarget(ST) {
-}
+    : SparcGenInstrInfo(SP::ADJCALLSTACKDOWN, SP::ADJCALLSTACKUP), RI(),
+      Subtarget(ST) {}
 
 /// isLoadFromStackSlot - If the specified machine instruction is a direct
 /// load from a stack slot, return the virtual or physical register number of

Modified: llvm/trunk/lib/Target/Sparc/SparcInstrInfo.h
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Target/Sparc/SparcInstrInfo.h?rev=232013&r1=232012&r2=232013&view=diff
==============================================================================
--- llvm/trunk/lib/Target/Sparc/SparcInstrInfo.h (original)
+++ llvm/trunk/lib/Target/Sparc/SparcInstrInfo.h Thu Mar 12 00:55:26 2015
@@ -22,6 +22,8 @@
 
 namespace llvm {
 
+class SparcSubtarget;
+
 /// SPII - This namespace holds all of the target specific flags that
 /// instruction info tracks.
 ///

Modified: llvm/trunk/lib/Target/Sparc/SparcRegisterInfo.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Target/Sparc/SparcRegisterInfo.cpp?rev=232013&r1=232012&r2=232013&view=diff
==============================================================================
--- llvm/trunk/lib/Target/Sparc/SparcRegisterInfo.cpp (original)
+++ llvm/trunk/lib/Target/Sparc/SparcRegisterInfo.cpp Thu Mar 12 00:55:26 2015
@@ -34,9 +34,7 @@ static cl::opt<bool>
 ReserveAppRegisters("sparc-reserve-app-registers", cl::Hidden, cl::init(false),
                     cl::desc("Reserve application registers (%g2-%g4)"));
 
-SparcRegisterInfo::SparcRegisterInfo(SparcSubtarget &st)
-  : SparcGenRegisterInfo(SP::O7), Subtarget(st) {
-}
+SparcRegisterInfo::SparcRegisterInfo() : SparcGenRegisterInfo(SP::O7) {}
 
 const MCPhysReg*
 SparcRegisterInfo::getCalleeSavedRegs(const MachineFunction *MF) const {
@@ -56,6 +54,7 @@ SparcRegisterInfo::getRTCallPreservedMas
 
 BitVector SparcRegisterInfo::getReservedRegs(const MachineFunction &MF) const {
   BitVector Reserved(getNumRegs());
+  const SparcSubtarget &Subtarget = MF.getSubtarget<SparcSubtarget>();
   // FIXME: G1 reserved for now for large imm generation by frame code.
   Reserved.set(SP::G1);
 
@@ -90,6 +89,7 @@ BitVector SparcRegisterInfo::getReserved
 const TargetRegisterClass*
 SparcRegisterInfo::getPointerRegClass(const MachineFunction &MF,
                                       unsigned Kind) const {
+  const SparcSubtarget &Subtarget = MF.getSubtarget<SparcSubtarget>();
   return Subtarget.is64Bit() ? &SP::I64RegsRegClass : &SP::IntRegsRegClass;
 }
 
@@ -161,6 +161,7 @@ SparcRegisterInfo::eliminateFrameIndex(M
 
   // Addressable stack objects are accessed using neg. offsets from %fp
   MachineFunction &MF = *MI.getParent()->getParent();
+  const SparcSubtarget &Subtarget = MF.getSubtarget<SparcSubtarget>();
   int64_t Offset = MF.getFrameInfo()->getObjectOffset(FrameIndex) +
                    MI.getOperand(FIOperandNum + 1).getImm() +
                    Subtarget.getStackPointerBias();
@@ -175,7 +176,7 @@ SparcRegisterInfo::eliminateFrameIndex(M
 
   if (!Subtarget.isV9() || !Subtarget.hasHardQuad()) {
     if (MI.getOpcode() == SP::STQFri) {
-      const TargetInstrInfo &TII = *MF.getSubtarget().getInstrInfo();
+      const TargetInstrInfo &TII = *Subtarget.getInstrInfo();
       unsigned SrcReg = MI.getOperand(2).getReg();
       unsigned SrcEvenReg = getSubReg(SrcReg, SP::sub_even64);
       unsigned SrcOddReg  = getSubReg(SrcReg, SP::sub_odd64);
@@ -187,7 +188,7 @@ SparcRegisterInfo::eliminateFrameIndex(M
       MI.getOperand(2).setReg(SrcOddReg);
       Offset += 8;
     } else if (MI.getOpcode() == SP::LDQFri) {
-      const TargetInstrInfo &TII = *MF.getSubtarget().getInstrInfo();
+      const TargetInstrInfo &TII = *Subtarget.getInstrInfo();
       unsigned DestReg     = MI.getOperand(0).getReg();
       unsigned DestEvenReg = getSubReg(DestReg, SP::sub_even64);
       unsigned DestOddReg  = getSubReg(DestReg, SP::sub_odd64);

Modified: llvm/trunk/lib/Target/Sparc/SparcRegisterInfo.h
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Target/Sparc/SparcRegisterInfo.h?rev=232013&r1=232012&r2=232013&view=diff
==============================================================================
--- llvm/trunk/lib/Target/Sparc/SparcRegisterInfo.h (original)
+++ llvm/trunk/lib/Target/Sparc/SparcRegisterInfo.h Thu Mar 12 00:55:26 2015
@@ -21,14 +21,11 @@
 
 namespace llvm {
 
-class SparcSubtarget;
 class TargetInstrInfo;
 class Type;
 
 struct SparcRegisterInfo : public SparcGenRegisterInfo {
-  SparcSubtarget &Subtarget;
-
-  SparcRegisterInfo(SparcSubtarget &st);
+  SparcRegisterInfo();
 
   /// Code Generation virtual methods...
   const MCPhysReg *getCalleeSavedRegs(const MachineFunction *MF) const override;