mirror of
https://github.com/c64scene-ar/llvm-6502.git
synced 2024-08-23 17:29:19 +00:00
Change getFrameMoves to return a const reference.
To add a frame now there is a dedicated addFrameMove which also takes care of constructing the move itself. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@181657 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
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baf81af759
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@ -234,7 +234,12 @@ public:
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/// getFrameMoves - Returns a reference to a list of moves done in the current
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/// function's prologue. Used to construct frame maps for debug and exception
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/// handling comsumers.
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std::vector<MachineMove> &getFrameMoves() { return FrameMoves; }
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const std::vector<MachineMove> &getFrameMoves() { return FrameMoves; }
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void addFrameMove(MCSymbol *Label, const MachineLocation &Dst,
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const MachineLocation &Src) {
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FrameMoves.push_back(MachineMove(Label, Dst, Src));
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}
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/// getCompactUnwindEncoding - Returns the compact unwind encoding for a
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/// function if the target supports the encoding. This encoding replaces a
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@ -636,11 +636,12 @@ void AsmPrinter::emitPrologLabel(const MachineInstr &MI) {
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OutStreamer.EmitCompactUnwindEncoding(MMI->getCompactUnwindEncoding());
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MachineModuleInfo &MMI = MF->getMMI();
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std::vector<MachineMove> &Moves = MMI.getFrameMoves();
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const std::vector<MachineMove> &Moves = MMI.getFrameMoves();
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bool FoundOne = false;
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(void)FoundOne;
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for (std::vector<MachineMove>::iterator I = Moves.begin(),
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E = Moves.end(); I != E; ++I) {
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for (std::vector<MachineMove>::const_iterator I = Moves.begin(),
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E = Moves.end();
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I != E; ++I) {
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if (I->getLabel() == Label) {
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EmitCFIFrameMove(*I);
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FoundOne = true;
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@ -54,7 +54,6 @@ void AArch64FrameLowering::emitPrologue(MachineFunction &MF) const {
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DebugLoc DL = MBBI != MBB.end() ? MBBI->getDebugLoc() : DebugLoc();
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MachineModuleInfo &MMI = MF.getMMI();
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std::vector<MachineMove> &Moves = MMI.getFrameMoves();
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bool NeedsFrameMoves = MMI.hasDebugInfo()
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|| MF.getFunction()->needsUnwindTableEntry();
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@ -98,7 +97,7 @@ void AArch64FrameLowering::emitPrologue(MachineFunction &MF) const {
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MachineLocation Dst(MachineLocation::VirtualFP);
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MachineLocation Src(AArch64::XSP, NumInitialBytes);
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Moves.push_back(MachineMove(SPLabel, Dst, Src));
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MMI.addFrameMove(SPLabel, Dst, Src);
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}
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// Otherwise we need to set the frame pointer and/or add a second stack
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@ -133,7 +132,7 @@ void AArch64FrameLowering::emitPrologue(MachineFunction &MF) const {
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.addSym(FPLabel);
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MachineLocation Dst(MachineLocation::VirtualFP);
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MachineLocation Src(AArch64::X29, -MFI->getObjectOffset(X29FrameIdx));
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Moves.push_back(MachineMove(FPLabel, Dst, Src));
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MMI.addFrameMove(FPLabel, Dst, Src);
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}
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FPNeedsSetting = false;
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@ -165,7 +164,7 @@ void AArch64FrameLowering::emitPrologue(MachineFunction &MF) const {
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MachineLocation Dst(MachineLocation::VirtualFP);
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MachineLocation Src(AArch64::XSP, NumResidualBytes + NumInitialBytes);
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Moves.push_back(MachineMove(CSLabel, Dst, Src));
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MMI.addFrameMove(CSLabel, Dst, Src);
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}
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// And any callee-saved registers (it's fine to leave them to the end here,
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@ -183,7 +182,7 @@ void AArch64FrameLowering::emitPrologue(MachineFunction &MF) const {
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MachineLocation Dst(MachineLocation::VirtualFP,
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MFI->getObjectOffset(I->getFrameIdx()));
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MachineLocation Src(I->getReg());
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Moves.push_back(MachineMove(CSLabel, Dst, Src));
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MMI.addFrameMove(CSLabel, Dst, Src);
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}
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}
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}
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@ -113,8 +113,6 @@ void HexagonFrameLowering::emitPrologue(MachineFunction &MF) const {
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MO.setImm(MFI->getMaxCallFrameSize());
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}
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std::vector<MachineMove> &Moves = MMI.getFrameMoves();
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if (needsFrameMoves) {
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// Advance CFA. DW_CFA_def_cfa
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unsigned FPReg = QRI->getFrameRegister();
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@ -122,17 +120,17 @@ void HexagonFrameLowering::emitPrologue(MachineFunction &MF) const {
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MachineLocation Dst(MachineLocation::VirtualFP);
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MachineLocation Src(FPReg, -8);
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Moves.push_back(MachineMove(0, Dst, Src));
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MMI.addFrameMove(0, Dst, Src);
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// R31 = (R31 - #4)
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MachineLocation LRDst(RAReg, -4);
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MachineLocation LRSrc(RAReg);
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Moves.push_back(MachineMove(0, LRDst, LRSrc));
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MMI.addFrameMove(0, LRDst, LRSrc);
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// R30 = (R30 - #8)
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MachineLocation SPDst(FPReg, -8);
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MachineLocation SPSrc(FPReg);
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Moves.push_back(MachineMove(0, SPDst, SPSrc));
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MMI.addFrameMove(0, SPDst, SPSrc);
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}
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//
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@ -40,7 +40,6 @@ void Mips16FrameLowering::emitPrologue(MachineFunction &MF) const {
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if (StackSize == 0 && !MFI->adjustsStack()) return;
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MachineModuleInfo &MMI = MF.getMMI();
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std::vector<MachineMove> &Moves = MMI.getFrameMoves();
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MachineLocation DstML, SrcML;
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// Adjust stack.
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@ -52,22 +51,22 @@ void Mips16FrameLowering::emitPrologue(MachineFunction &MF) const {
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TII.get(TargetOpcode::PROLOG_LABEL)).addSym(AdjustSPLabel);
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DstML = MachineLocation(MachineLocation::VirtualFP);
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SrcML = MachineLocation(MachineLocation::VirtualFP, -StackSize);
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Moves.push_back(MachineMove(AdjustSPLabel, DstML, SrcML));
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MMI.addFrameMove(AdjustSPLabel, DstML, SrcML);
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MCSymbol *CSLabel = MMI.getContext().CreateTempSymbol();
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BuildMI(MBB, MBBI, dl,
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TII.get(TargetOpcode::PROLOG_LABEL)).addSym(CSLabel);
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DstML = MachineLocation(MachineLocation::VirtualFP, -8);
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SrcML = MachineLocation(Mips::S1);
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Moves.push_back(MachineMove(CSLabel, DstML, SrcML));
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MMI.addFrameMove(CSLabel, DstML, SrcML);
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DstML = MachineLocation(MachineLocation::VirtualFP, -12);
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SrcML = MachineLocation(Mips::S0);
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Moves.push_back(MachineMove(CSLabel, DstML, SrcML));
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MMI.addFrameMove(CSLabel, DstML, SrcML);
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DstML = MachineLocation(MachineLocation::VirtualFP, -4);
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SrcML = MachineLocation(Mips::RA);
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Moves.push_back(MachineMove(CSLabel, DstML, SrcML));
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MMI.addFrameMove(CSLabel, DstML, SrcML);
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if (hasFP(MF))
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BuildMI(MBB, MBBI, dl, TII.get(Mips::MoveR3216), Mips::S0)
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@ -262,7 +262,6 @@ void MipsSEFrameLowering::emitPrologue(MachineFunction &MF) const {
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if (StackSize == 0 && !MFI->adjustsStack()) return;
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MachineModuleInfo &MMI = MF.getMMI();
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std::vector<MachineMove> &Moves = MMI.getFrameMoves();
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MachineLocation DstML, SrcML;
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// Adjust stack.
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@ -274,7 +273,7 @@ void MipsSEFrameLowering::emitPrologue(MachineFunction &MF) const {
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TII.get(TargetOpcode::PROLOG_LABEL)).addSym(AdjustSPLabel);
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DstML = MachineLocation(MachineLocation::VirtualFP);
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SrcML = MachineLocation(MachineLocation::VirtualFP, -StackSize);
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Moves.push_back(MachineMove(AdjustSPLabel, DstML, SrcML));
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MMI.addFrameMove(AdjustSPLabel, DstML, SrcML);
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const std::vector<CalleeSavedInfo> &CSI = MFI->getCalleeSavedInfo();
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@ -306,13 +305,13 @@ void MipsSEFrameLowering::emitPrologue(MachineFunction &MF) const {
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if (!STI.isLittle())
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std::swap(SrcML0, SrcML1);
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Moves.push_back(MachineMove(CSLabel, DstML0, SrcML0));
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Moves.push_back(MachineMove(CSLabel, DstML1, SrcML1));
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MMI.addFrameMove(CSLabel, DstML0, SrcML0);
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MMI.addFrameMove(CSLabel, DstML1, SrcML1);
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} else {
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// Reg is either in CPURegs or FGR32.
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DstML = MachineLocation(MachineLocation::VirtualFP, Offset);
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SrcML = MachineLocation(Reg);
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Moves.push_back(MachineMove(CSLabel, DstML, SrcML));
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MMI.addFrameMove(CSLabel, DstML, SrcML);
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}
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}
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}
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@ -337,7 +336,7 @@ void MipsSEFrameLowering::emitPrologue(MachineFunction &MF) const {
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int64_t Offset = MFI->getObjectOffset(MipsFI->getEhDataRegFI(I));
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DstML = MachineLocation(MachineLocation::VirtualFP, Offset);
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SrcML = MachineLocation(ehDataReg(I));
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Moves.push_back(MachineMove(CSLabel2, DstML, SrcML));
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MMI.addFrameMove(CSLabel2, DstML, SrcML);
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}
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}
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@ -352,7 +351,7 @@ void MipsSEFrameLowering::emitPrologue(MachineFunction &MF) const {
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TII.get(TargetOpcode::PROLOG_LABEL)).addSym(SetFPLabel);
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DstML = MachineLocation(FP);
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SrcML = MachineLocation(MachineLocation::VirtualFP);
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Moves.push_back(MachineMove(SetFPLabel, DstML, SrcML));
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MMI.addFrameMove(SetFPLabel, DstML, SrcML);
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}
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}
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@ -515,8 +515,6 @@ void PPCFrameLowering::emitPrologue(MachineFunction &MF) const {
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}
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}
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std::vector<MachineMove> &Moves = MMI.getFrameMoves();
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// Add the "machine moves" for the instructions we generated above, but in
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// reverse order.
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if (needsFrameMoves) {
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@ -528,22 +526,22 @@ void PPCFrameLowering::emitPrologue(MachineFunction &MF) const {
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if (NegFrameSize) {
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MachineLocation SPDst(MachineLocation::VirtualFP);
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MachineLocation SPSrc(MachineLocation::VirtualFP, NegFrameSize);
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Moves.push_back(MachineMove(FrameLabel, SPDst, SPSrc));
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MMI.addFrameMove(FrameLabel, SPDst, SPSrc);
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} else {
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MachineLocation SP(isPPC64 ? PPC::X31 : PPC::R31);
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Moves.push_back(MachineMove(FrameLabel, SP, SP));
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MMI.addFrameMove(FrameLabel, SP, SP);
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}
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if (HasFP) {
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MachineLocation FPDst(MachineLocation::VirtualFP, FPOffset);
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MachineLocation FPSrc(isPPC64 ? PPC::X31 : PPC::R31);
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Moves.push_back(MachineMove(FrameLabel, FPDst, FPSrc));
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MMI.addFrameMove(FrameLabel, FPDst, FPSrc);
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}
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if (MustSaveLR) {
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MachineLocation LRDst(MachineLocation::VirtualFP, LROffset);
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MachineLocation LRSrc(isPPC64 ? PPC::LR8 : PPC::LR);
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Moves.push_back(MachineMove(FrameLabel, LRDst, LRSrc));
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MMI.addFrameMove(FrameLabel, LRDst, LRSrc);
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}
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}
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@ -570,7 +568,7 @@ void PPCFrameLowering::emitPrologue(MachineFunction &MF) const {
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MachineLocation FPDst(HasFP ? (isPPC64 ? PPC::X31 : PPC::R31) :
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(isPPC64 ? PPC::X1 : PPC::R1));
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MachineLocation FPSrc(MachineLocation::VirtualFP);
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Moves.push_back(MachineMove(ReadyLabel, FPDst, FPSrc));
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MMI.addFrameMove(ReadyLabel, FPDst, FPSrc);
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}
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}
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@ -602,14 +600,14 @@ void PPCFrameLowering::emitPrologue(MachineFunction &MF) const {
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&& (PPC::CR2 <= Reg && Reg <= PPC::CR4)) {
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MachineLocation CSDst(PPC::X1, 8);
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MachineLocation CSSrc(PPC::CR2);
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Moves.push_back(MachineMove(Label, CSDst, CSSrc));
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MMI.addFrameMove(Label, CSDst, CSSrc);
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continue;
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}
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int Offset = MFI->getObjectOffset(CSI[I].getFrameIdx());
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MachineLocation CSDst(MachineLocation::VirtualFP, Offset);
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MachineLocation CSSrc(Reg);
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Moves.push_back(MachineMove(Label, CSDst, CSSrc));
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MMI.addFrameMove(Label, CSDst, CSSrc);
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}
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}
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}
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@ -297,7 +297,6 @@ void SystemZFrameLowering::emitPrologue(MachineFunction &MF) const {
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SystemZMachineFunctionInfo *ZFI = MF.getInfo<SystemZMachineFunctionInfo>();
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MachineBasicBlock::iterator MBBI = MBB.begin();
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MachineModuleInfo &MMI = MF.getMMI();
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std::vector<MachineMove> &Moves = MMI.getFrameMoves();
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const std::vector<CalleeSavedInfo> &CSI = MFFrame->getCalleeSavedInfo();
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bool HasFP = hasFP(MF);
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DebugLoc DL = MBBI != MBB.end() ? MBBI->getDebugLoc() : DebugLoc();
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@ -323,7 +322,7 @@ void SystemZFrameLowering::emitPrologue(MachineFunction &MF) const {
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int64_t Offset = SPOffsetFromCFA + RegSpillOffsets[Reg];
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MachineLocation StackSlot(MachineLocation::VirtualFP, Offset);
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MachineLocation RegValue(Reg);
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Moves.push_back(MachineMove(GPRSaveLabel, StackSlot, RegValue));
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MMI.addFrameMove(GPRSaveLabel, StackSlot, RegValue);
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}
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}
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}
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@ -340,7 +339,7 @@ void SystemZFrameLowering::emitPrologue(MachineFunction &MF) const {
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.addSym(AdjustSPLabel);
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MachineLocation FPDest(MachineLocation::VirtualFP);
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MachineLocation FPSrc(MachineLocation::VirtualFP, SPOffsetFromCFA + Delta);
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Moves.push_back(MachineMove(AdjustSPLabel, FPDest, FPSrc));
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MMI.addFrameMove(AdjustSPLabel, FPDest, FPSrc);
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SPOffsetFromCFA += Delta;
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}
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@ -355,7 +354,7 @@ void SystemZFrameLowering::emitPrologue(MachineFunction &MF) const {
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.addSym(SetFPLabel);
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MachineLocation HardFP(SystemZ::R11D);
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MachineLocation VirtualFP(MachineLocation::VirtualFP);
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Moves.push_back(MachineMove(SetFPLabel, HardFP, VirtualFP));
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MMI.addFrameMove(SetFPLabel, HardFP, VirtualFP);
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// Mark the FramePtr as live at the beginning of every block except
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// the entry block. (We'll have marked R11 as live on entry when
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@ -386,7 +385,7 @@ void SystemZFrameLowering::emitPrologue(MachineFunction &MF) const {
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MachineLocation Slot(MachineLocation::VirtualFP,
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SPOffsetFromCFA + Offset);
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MachineLocation RegValue(Reg);
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Moves.push_back(MachineMove(FPRSaveLabel, Slot, RegValue));
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MMI.addFrameMove(FPRSaveLabel, Slot, RegValue);
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}
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}
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// Complete the CFI for the FPR saves, modelling them as taking effect
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@ -312,7 +312,6 @@ void X86FrameLowering::emitCalleeSavedFrameMoves(MachineFunction &MF,
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const std::vector<CalleeSavedInfo> &CSI = MFI->getCalleeSavedInfo();
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if (CSI.empty()) return;
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std::vector<MachineMove> &Moves = MMI.getFrameMoves();
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const X86RegisterInfo *RegInfo = TM.getRegisterInfo();
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bool HasFP = hasFP(MF);
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@ -362,7 +361,7 @@ void X86FrameLowering::emitCalleeSavedFrameMoves(MachineFunction &MF,
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MachineLocation CSDst(MachineLocation::VirtualFP, Offset);
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MachineLocation CSSrc(Reg);
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Moves.push_back(MachineMove(Label, CSDst, CSSrc));
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MMI.addFrameMove(Label, CSDst, CSSrc);
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}
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}
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@ -732,7 +731,6 @@ void X86FrameLowering::emitPrologue(MachineFunction &MF) const {
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// REG < 64 => DW_CFA_offset + Reg
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// ELSE => DW_CFA_offset_extended
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std::vector<MachineMove> &Moves = MMI.getFrameMoves();
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uint64_t NumBytes = 0;
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int stackGrowth = -SlotSize;
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@ -768,17 +766,17 @@ void X86FrameLowering::emitPrologue(MachineFunction &MF) const {
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if (StackSize) {
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MachineLocation SPDst(MachineLocation::VirtualFP);
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MachineLocation SPSrc(MachineLocation::VirtualFP, 2 * stackGrowth);
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Moves.push_back(MachineMove(FrameLabel, SPDst, SPSrc));
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MMI.addFrameMove(FrameLabel, SPDst, SPSrc);
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} else {
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MachineLocation SPDst(StackPtr);
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MachineLocation SPSrc(StackPtr, stackGrowth);
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Moves.push_back(MachineMove(FrameLabel, SPDst, SPSrc));
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MMI.addFrameMove(FrameLabel, SPDst, SPSrc);
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}
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// Change the rule for the FramePtr to be an "offset" rule.
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MachineLocation FPDst(MachineLocation::VirtualFP, 2 * stackGrowth);
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MachineLocation FPSrc(FramePtr);
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Moves.push_back(MachineMove(FrameLabel, FPDst, FPSrc));
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MMI.addFrameMove(FrameLabel, FPDst, FPSrc);
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}
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// Update EBP with the new base value.
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@ -796,7 +794,7 @@ void X86FrameLowering::emitPrologue(MachineFunction &MF) const {
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// Define the current CFA to use the EBP/RBP register.
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MachineLocation FPDst(FramePtr);
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MachineLocation FPSrc(MachineLocation::VirtualFP);
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Moves.push_back(MachineMove(FrameLabel, FPDst, FPSrc));
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MMI.addFrameMove(FrameLabel, FPDst, FPSrc);
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}
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// Mark the FramePtr as live-in in every block except the entry.
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@ -827,7 +825,7 @@ void X86FrameLowering::emitPrologue(MachineFunction &MF) const {
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unsigned Ptr = StackSize ? MachineLocation::VirtualFP : StackPtr;
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MachineLocation SPDst(Ptr);
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MachineLocation SPSrc(Ptr, StackOffset);
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Moves.push_back(MachineMove(Label, SPDst, SPSrc));
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MMI.addFrameMove(Label, SPDst, SPSrc);
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StackOffset += stackGrowth;
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}
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}
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@ -965,11 +963,11 @@ void X86FrameLowering::emitPrologue(MachineFunction &MF) const {
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MachineLocation SPDst(MachineLocation::VirtualFP);
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MachineLocation SPSrc(MachineLocation::VirtualFP,
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-StackSize + stackGrowth);
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Moves.push_back(MachineMove(Label, SPDst, SPSrc));
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MMI.addFrameMove(Label, SPDst, SPSrc);
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} else {
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MachineLocation SPDst(StackPtr);
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MachineLocation SPSrc(StackPtr, stackGrowth);
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Moves.push_back(MachineMove(Label, SPDst, SPSrc));
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MMI.addFrameMove(Label, SPDst, SPSrc);
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}
|
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}
|
||||
|
||||
|
@ -132,7 +132,6 @@ void XCoreFrameLowering::emitPrologue(MachineFunction &MF) const {
|
||||
BuildMI(MBB, MBBI, dl, TII.get(Opcode)).addImm(FrameSize);
|
||||
|
||||
if (emitFrameMoves) {
|
||||
std::vector<MachineMove> &Moves = MMI->getFrameMoves();
|
||||
|
||||
// Show update of SP.
|
||||
MCSymbol *FrameLabel = MMI->getContext().CreateTempSymbol();
|
||||
@ -140,12 +139,12 @@ void XCoreFrameLowering::emitPrologue(MachineFunction &MF) const {
|
||||
|
||||
MachineLocation SPDst(MachineLocation::VirtualFP);
|
||||
MachineLocation SPSrc(MachineLocation::VirtualFP, -FrameSize * 4);
|
||||
Moves.push_back(MachineMove(FrameLabel, SPDst, SPSrc));
|
||||
MMI->addFrameMove(FrameLabel, SPDst, SPSrc);
|
||||
|
||||
if (LRSavedOnEntry) {
|
||||
MachineLocation CSDst(MachineLocation::VirtualFP, 0);
|
||||
MachineLocation CSSrc(XCore::LR);
|
||||
Moves.push_back(MachineMove(FrameLabel, CSDst, CSSrc));
|
||||
MMI->addFrameMove(FrameLabel, CSDst, CSSrc);
|
||||
}
|
||||
}
|
||||
}
|
||||
@ -159,7 +158,7 @@ void XCoreFrameLowering::emitPrologue(MachineFunction &MF) const {
|
||||
BuildMI(MBB, MBBI, dl, TII.get(XCore::PROLOG_LABEL)).addSym(SaveLRLabel);
|
||||
MachineLocation CSDst(MachineLocation::VirtualFP, LRSpillOffset);
|
||||
MachineLocation CSSrc(XCore::LR);
|
||||
MMI->getFrameMoves().push_back(MachineMove(SaveLRLabel, CSDst, CSSrc));
|
||||
MMI->addFrameMove(SaveLRLabel, CSDst, CSSrc);
|
||||
}
|
||||
}
|
||||
|
||||
@ -174,7 +173,7 @@ void XCoreFrameLowering::emitPrologue(MachineFunction &MF) const {
|
||||
BuildMI(MBB, MBBI, dl, TII.get(XCore::PROLOG_LABEL)).addSym(SaveR10Label);
|
||||
MachineLocation CSDst(MachineLocation::VirtualFP, FPSpillOffset);
|
||||
MachineLocation CSSrc(XCore::R10);
|
||||
MMI->getFrameMoves().push_back(MachineMove(SaveR10Label, CSDst, CSSrc));
|
||||
MMI->addFrameMove(SaveR10Label, CSDst, CSSrc);
|
||||
}
|
||||
// Set the FP from the SP.
|
||||
unsigned FramePtr = XCore::R10;
|
||||
@ -186,13 +185,12 @@ void XCoreFrameLowering::emitPrologue(MachineFunction &MF) const {
|
||||
BuildMI(MBB, MBBI, dl, TII.get(XCore::PROLOG_LABEL)).addSym(FrameLabel);
|
||||
MachineLocation SPDst(FramePtr);
|
||||
MachineLocation SPSrc(MachineLocation::VirtualFP);
|
||||
MMI->getFrameMoves().push_back(MachineMove(FrameLabel, SPDst, SPSrc));
|
||||
MMI->addFrameMove(FrameLabel, SPDst, SPSrc);
|
||||
}
|
||||
}
|
||||
|
||||
if (emitFrameMoves) {
|
||||
// Frame moves for callee saved.
|
||||
std::vector<MachineMove> &Moves = MMI->getFrameMoves();
|
||||
std::vector<std::pair<MCSymbol*, CalleeSavedInfo> >&SpillLabels =
|
||||
XFI->getSpillLabels();
|
||||
for (unsigned I = 0, E = SpillLabels.size(); I != E; ++I) {
|
||||
@ -202,7 +200,7 @@ void XCoreFrameLowering::emitPrologue(MachineFunction &MF) const {
|
||||
unsigned Reg = CSI.getReg();
|
||||
MachineLocation CSDst(MachineLocation::VirtualFP, Offset);
|
||||
MachineLocation CSSrc(Reg);
|
||||
Moves.push_back(MachineMove(SpillLabel, CSDst, CSSrc));
|
||||
MMI->addFrameMove(SpillLabel, CSDst, CSSrc);
|
||||
}
|
||||
}
|
||||
}
|
||||
|
Loading…
Reference in New Issue
Block a user