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Remove addFrameMove.

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Now that we have good testing, remove addFrameMove and create cfi
instructions directly.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@182052 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Rafael Espindola
2013-05-16 21:02:15 +00:00
parent 529874cf0c
commit 6b67ffd68b
8 changed files with 88 additions and 130 deletions
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21
lib/Target/Mips/Mips16FrameLowering.cpp
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@ -40,6 +40,7 @@ void Mips16FrameLowering::emitPrologue(MachineFunction &MF) const {
if (StackSize == 0 && !MFI->adjustsStack()) return;
MachineModuleInfo &MMI = MF.getMMI();
const MCRegisterInfo &MRI = MMI.getContext().getRegisterInfo();
MachineLocation DstML, SrcML;
// Adjust stack.
@ -49,24 +50,20 @@ void Mips16FrameLowering::emitPrologue(MachineFunction &MF) const {
MCSymbol *AdjustSPLabel = MMI.getContext().CreateTempSymbol();
BuildMI(MBB, MBBI, dl,
TII.get(TargetOpcode::PROLOG_LABEL)).addSym(AdjustSPLabel);
DstML = MachineLocation(MachineLocation::VirtualFP);
SrcML = MachineLocation(MachineLocation::VirtualFP, -StackSize);
MMI.addFrameMove(AdjustSPLabel, DstML, SrcML);
MMI.addFrameInst(
MCCFIInstruction::createDefCfaOffset(AdjustSPLabel, -StackSize));
MCSymbol *CSLabel = MMI.getContext().CreateTempSymbol();
BuildMI(MBB, MBBI, dl,
TII.get(TargetOpcode::PROLOG_LABEL)).addSym(CSLabel);
DstML = MachineLocation(MachineLocation::VirtualFP, -8);
SrcML = MachineLocation(Mips::S1);
MMI.addFrameMove(CSLabel, DstML, SrcML);
unsigned S1 = MRI.getDwarfRegNum(Mips::S1, true);
MMI.addFrameInst(MCCFIInstruction::createOffset(CSLabel, S1, -8));
DstML = MachineLocation(MachineLocation::VirtualFP, -12);
SrcML = MachineLocation(Mips::S0);
MMI.addFrameMove(CSLabel, DstML, SrcML);
unsigned S0 = MRI.getDwarfRegNum(Mips::S0, true);
MMI.addFrameInst(MCCFIInstruction::createOffset(CSLabel, S0, -12));
DstML = MachineLocation(MachineLocation::VirtualFP, -4);
SrcML = MachineLocation(Mips::RA);
MMI.addFrameMove(CSLabel, DstML, SrcML);
unsigned RA = MRI.getDwarfRegNum(Mips::RA, true);
MMI.addFrameInst(MCCFIInstruction::createOffset(CSLabel, RA, -4));
if (hasFP(MF))
BuildMI(MBB, MBBI, dl, TII.get(Mips::MoveR3216), Mips::S0)