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Insertion methods now return void instead of #instrs inserted. Also, use
more powerful forms of BuildMI to concisify the code git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@15782 91177308-0d34-0410-b5e6-96231b3b80d8
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@ -68,7 +68,7 @@ static unsigned getIdx(const TargetRegisterClass *RC) {
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abort();
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}
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int
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void
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PowerPCRegisterInfo::storeRegToStackSlot(MachineBasicBlock &MBB,
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MachineBasicBlock::iterator MI,
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unsigned SrcReg, int FrameIdx) const {
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@ -79,17 +79,15 @@ PowerPCRegisterInfo::storeRegToStackSlot(MachineBasicBlock &MBB,
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unsigned OC = Opcode[getIdx(RC)];
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if (SrcReg == PPC::LR) {
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MBB.insert(MI, BuildMI(PPC::MFLR, 0, PPC::R0));
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MBB.insert(MI, addFrameReference(BuildMI(OC,3).addReg(PPC::R0),FrameIdx));
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return 2;
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BuildMI(MBB, MI, PPC::MFLR, 0, PPC::R0);
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addFrameReference(BuildMI(MBB, MI, OC, 3).addReg(PPC::R0),FrameIdx);
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} else {
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MBB.insert(MI, BuildMI(PPC::IMPLICIT_DEF, 0, PPC::R0));
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MBB.insert(MI, addFrameReference(BuildMI(OC, 3).addReg(SrcReg),FrameIdx));
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return 2;
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BuildMI(MBB, MI, PPC::IMPLICIT_DEF, 0, PPC::R0);
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addFrameReference(BuildMI(MBB, MI, OC, 3).addReg(SrcReg),FrameIdx);
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}
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}
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int
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void
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PowerPCRegisterInfo::loadRegFromStackSlot(MachineBasicBlock &MBB,
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MachineBasicBlock::iterator MI,
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unsigned DestReg, int FrameIdx) const{
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@ -99,32 +97,28 @@ PowerPCRegisterInfo::loadRegFromStackSlot(MachineBasicBlock &MBB,
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const TargetRegisterClass *RC = getRegClass(DestReg);
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unsigned OC = Opcode[getIdx(RC)];
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if (DestReg == PPC::LR) {
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MBB.insert(MI, addFrameReference(BuildMI(OC, 2, PPC::R0), FrameIdx));
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MBB.insert(MI, BuildMI(PPC::MTLR, 1).addReg(PPC::R0));
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return 2;
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addFrameReference(BuildMI(MBB, MI, OC, 2, PPC::R0), FrameIdx);
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BuildMI(MBB, MI, PPC::MTLR, 1).addReg(PPC::R0);
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} else {
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MBB.insert(MI, BuildMI(PPC::IMPLICIT_DEF, 0, PPC::R0));
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MBB.insert(MI, addFrameReference(BuildMI(OC, 2, DestReg), FrameIdx));
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return 2;
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BuildMI(MBB, MI, PPC::IMPLICIT_DEF, 0, PPC::R0);
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addFrameReference(BuildMI(MBB, MI, OC, 2, DestReg), FrameIdx);
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}
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}
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int PowerPCRegisterInfo::copyRegToReg(MachineBasicBlock &MBB,
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MachineBasicBlock::iterator MI,
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unsigned DestReg, unsigned SrcReg,
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const TargetRegisterClass *RC) const {
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void PowerPCRegisterInfo::copyRegToReg(MachineBasicBlock &MBB,
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MachineBasicBlock::iterator MI,
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unsigned DestReg, unsigned SrcReg,
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const TargetRegisterClass *RC) const {
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MachineInstr *I;
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if (RC == PowerPC::GPRCRegisterClass) {
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I = BuildMI(PPC::OR, 2, DestReg).addReg(SrcReg).addReg(SrcReg);
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BuildMI(MBB, MI, PPC::OR, 2, DestReg).addReg(SrcReg).addReg(SrcReg);
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} else if (RC == PowerPC::FPRCRegisterClass) {
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I = BuildMI(PPC::FMR, 1, DestReg).addReg(SrcReg);
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BuildMI(MBB, MI, PPC::FMR, 1, DestReg).addReg(SrcReg);
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} else {
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std::cerr << "Attempt to copy register that is not GPR or FPR";
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abort();
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}
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MBB.insert(MI, I);
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return 1;
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}
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//===----------------------------------------------------------------------===//
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@ -30,17 +30,17 @@ public:
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const TargetRegisterClass* getRegClassForType(const Type* Ty) const;
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/// Code Generation virtual methods...
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int storeRegToStackSlot(MachineBasicBlock &MBB,
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MachineBasicBlock::iterator MBBI,
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unsigned SrcReg, int FrameIndex) const;
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int loadRegFromStackSlot(MachineBasicBlock &MBB,
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void storeRegToStackSlot(MachineBasicBlock &MBB,
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MachineBasicBlock::iterator MBBI,
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unsigned DestReg, int FrameIndex) const;
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unsigned SrcReg, int FrameIndex) const;
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void loadRegFromStackSlot(MachineBasicBlock &MBB,
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MachineBasicBlock::iterator MBBI,
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unsigned DestReg, int FrameIndex) const;
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int copyRegToReg(MachineBasicBlock &MBB, MachineBasicBlock::iterator MBBI,
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unsigned DestReg, unsigned SrcReg,
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const TargetRegisterClass *RC) const;
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void copyRegToReg(MachineBasicBlock &MBB, MachineBasicBlock::iterator MBBI,
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unsigned DestReg, unsigned SrcReg,
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const TargetRegisterClass *RC) const;
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void eliminateCallFramePseudoInstr(MachineFunction &MF,
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MachineBasicBlock &MBB,
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