diff options
Diffstat (limited to 'lib/Target/Hexagon/HexagonFrameLowering.h')
| -rw-r--r-- | lib/Target/Hexagon/HexagonFrameLowering.h | 61 |
1 files changed, 51 insertions, 10 deletions
diff --git a/lib/Target/Hexagon/HexagonFrameLowering.h b/lib/Target/Hexagon/HexagonFrameLowering.h index 683b303d43ea..3e76214559b7 100644 --- a/lib/Target/Hexagon/HexagonFrameLowering.h +++ b/lib/Target/Hexagon/HexagonFrameLowering.h @@ -11,6 +11,7 @@ #define LLVM_LIB_TARGET_HEXAGON_HEXAGONFRAMELOWERING_H #include "Hexagon.h" +#include "HexagonBlockRanges.h" #include "llvm/Target/TargetFrameLowering.h" namespace llvm { @@ -41,22 +42,23 @@ public: return true; } - void eliminateCallFramePseudoInstr(MachineFunction &MF, - MachineBasicBlock &MBB, MachineBasicBlock::iterator I) const override; + MachineBasicBlock::iterator + eliminateCallFramePseudoInstr(MachineFunction &MF, MachineBasicBlock &MBB, + MachineBasicBlock::iterator I) const override; void processFunctionBeforeFrameFinalized(MachineFunction &MF, - RegScavenger *RS = nullptr) const override; + RegScavenger *RS = nullptr) const override; void determineCalleeSaves(MachineFunction &MF, BitVector &SavedRegs, - RegScavenger *RS) const override; + RegScavenger *RS) const override; bool targetHandlesStackFrameRounding() const override { return true; } int getFrameIndexReference(const MachineFunction &MF, int FI, - unsigned &FrameReg) const override; + unsigned &FrameReg) const override; bool hasFP(const MachineFunction &MF) const override; const SpillSlot *getCalleeSavedSpillSlots(unsigned &NumEntries) - const override { + const override { static const SpillSlot Offsets[] = { { Hexagon::R17, -4 }, { Hexagon::R16, -8 }, { Hexagon::D8, -8 }, { Hexagon::R19, -12 }, { Hexagon::R18, -16 }, { Hexagon::D9, -16 }, @@ -83,22 +85,61 @@ private: void expandAlloca(MachineInstr *AI, const HexagonInstrInfo &TII, unsigned SP, unsigned CF) const; - void insertPrologueInBlock(MachineBasicBlock &MBB) const; + void insertPrologueInBlock(MachineBasicBlock &MBB, bool PrologueStubs) const; void insertEpilogueInBlock(MachineBasicBlock &MBB) const; bool insertCSRSpillsInBlock(MachineBasicBlock &MBB, const CSIVect &CSI, - const HexagonRegisterInfo &HRI) const; + const HexagonRegisterInfo &HRI, bool &PrologueStubs) const; bool insertCSRRestoresInBlock(MachineBasicBlock &MBB, const CSIVect &CSI, const HexagonRegisterInfo &HRI) const; + bool updateExitPaths(MachineBasicBlock &MBB, MachineBasicBlock *RestoreB, + BitVector &DoneT, BitVector &DoneF, BitVector &Path) const; void insertCFIInstructionsAt(MachineBasicBlock &MBB, MachineBasicBlock::iterator At) const; void adjustForCalleeSavedRegsSpillCall(MachineFunction &MF) const; - bool replacePredRegPseudoSpillCode(MachineFunction &MF) const; - bool replaceVecPredRegPseudoSpillCode(MachineFunction &MF) const; + + bool expandCopy(MachineBasicBlock &B, MachineBasicBlock::iterator It, + MachineRegisterInfo &MRI, const HexagonInstrInfo &HII, + SmallVectorImpl<unsigned> &NewRegs) const; + bool expandStoreInt(MachineBasicBlock &B, MachineBasicBlock::iterator It, + MachineRegisterInfo &MRI, const HexagonInstrInfo &HII, + SmallVectorImpl<unsigned> &NewRegs) const; + bool expandLoadInt(MachineBasicBlock &B, MachineBasicBlock::iterator It, + MachineRegisterInfo &MRI, const HexagonInstrInfo &HII, + SmallVectorImpl<unsigned> &NewRegs) const; + bool expandStoreVecPred(MachineBasicBlock &B, MachineBasicBlock::iterator It, + MachineRegisterInfo &MRI, const HexagonInstrInfo &HII, + SmallVectorImpl<unsigned> &NewRegs) const; + bool expandLoadVecPred(MachineBasicBlock &B, MachineBasicBlock::iterator It, + MachineRegisterInfo &MRI, const HexagonInstrInfo &HII, + SmallVectorImpl<unsigned> &NewRegs) const; + bool expandStoreVec2(MachineBasicBlock &B, MachineBasicBlock::iterator It, + MachineRegisterInfo &MRI, const HexagonInstrInfo &HII, + SmallVectorImpl<unsigned> &NewRegs) const; + bool expandLoadVec2(MachineBasicBlock &B, MachineBasicBlock::iterator It, + MachineRegisterInfo &MRI, const HexagonInstrInfo &HII, + SmallVectorImpl<unsigned> &NewRegs) const; + bool expandStoreVec(MachineBasicBlock &B, MachineBasicBlock::iterator It, + MachineRegisterInfo &MRI, const HexagonInstrInfo &HII, + SmallVectorImpl<unsigned> &NewRegs) const; + bool expandLoadVec(MachineBasicBlock &B, MachineBasicBlock::iterator It, + MachineRegisterInfo &MRI, const HexagonInstrInfo &HII, + SmallVectorImpl<unsigned> &NewRegs) const; + bool expandSpillMacros(MachineFunction &MF, + SmallVectorImpl<unsigned> &NewRegs) const; + + unsigned findPhysReg(MachineFunction &MF, HexagonBlockRanges::IndexRange &FIR, + HexagonBlockRanges::InstrIndexMap &IndexMap, + HexagonBlockRanges::RegToRangeMap &DeadMap, + const TargetRegisterClass *RC) const; + void optimizeSpillSlots(MachineFunction &MF, + SmallVectorImpl<unsigned> &VRegs) const; void findShrunkPrologEpilog(MachineFunction &MF, MachineBasicBlock *&PrologB, MachineBasicBlock *&EpilogB) const; + void addCalleeSaveRegistersAsImpOperand(MachineInstr *MI, const CSIVect &CSI, + bool IsDef, bool IsKill) const; bool shouldInlineCSR(llvm::MachineFunction &MF, const CSIVect &CSI) const; bool useSpillFunction(MachineFunction &MF, const CSIVect &CSI) const; bool useRestoreFunction(MachineFunction &MF, const CSIVect &CSI) const; |