diff options
Diffstat (limited to 'lib/Target/X86/X86RegisterInfo.h')
| -rw-r--r-- | lib/Target/X86/X86RegisterInfo.h | 27 |
1 files changed, 18 insertions, 9 deletions
diff --git a/lib/Target/X86/X86RegisterInfo.h b/lib/Target/X86/X86RegisterInfo.h index 33b9f5e..f635707 100644 --- a/lib/Target/X86/X86RegisterInfo.h +++ b/lib/Target/X86/X86RegisterInfo.h @@ -93,9 +93,16 @@ public: /// Code Generation virtual methods... /// + /// getMatchingSuperRegClass - Return a subclass of the specified register + /// class A so that each register in it has a sub-register of the + /// specified sub-register index which is in the specified register class B. + virtual const TargetRegisterClass * + getMatchingSuperRegClass(const TargetRegisterClass *A, + const TargetRegisterClass *B, unsigned Idx) const; + /// getPointerRegClass - Returns a TargetRegisterClass used for pointer /// values. - const TargetRegisterClass *getPointerRegClass() const; + const TargetRegisterClass *getPointerRegClass(unsigned Kind = 0) const; /// getCrossCopyRegClass - Returns a legal register class to copy a register /// in the specified class to or from. Returns NULL if it is possible to copy @@ -125,23 +132,25 @@ public: bool hasReservedCallFrame(MachineFunction &MF) const; + bool hasReservedSpillSlot(MachineFunction &MF, unsigned Reg, + int &FrameIdx) const; + void eliminateCallFramePseudoInstr(MachineFunction &MF, MachineBasicBlock &MBB, MachineBasicBlock::iterator MI) const; - void eliminateFrameIndex(MachineBasicBlock::iterator MI, - int SPAdj, RegScavenger *RS = NULL) const; + unsigned eliminateFrameIndex(MachineBasicBlock::iterator MI, + int SPAdj, int *Value = NULL, + RegScavenger *RS = NULL) const; - void processFunctionBeforeFrameFinalized(MachineFunction &MF) const; void processFunctionBeforeCalleeSavedScan(MachineFunction &MF, RegScavenger *RS = NULL) const; + void emitCalleeSavedFrameMoves(MachineFunction &MF, unsigned LabelId, + unsigned FramePtr) const; void emitPrologue(MachineFunction &MF) const; void emitEpilogue(MachineFunction &MF, MachineBasicBlock &MBB) const; - void emitFrameMoves(MachineFunction &MF, - unsigned FrameLabelId, unsigned ReadyLabelId) const; - // Debug information queries. unsigned getRARegister() const; unsigned getFrameRegister(MachineFunction &MF) const; @@ -155,8 +164,8 @@ public: // getX86SubSuperRegister - X86 utility function. It returns the sub or super // register of a specific X86 register. -// e.g. getX86SubSuperRegister(X86::EAX, MVT::i16) return X86:AX -unsigned getX86SubSuperRegister(unsigned, MVT, bool High=false); +// e.g. getX86SubSuperRegister(X86::EAX, EVT::i16) return X86:AX +unsigned getX86SubSuperRegister(unsigned, EVT, bool High=false); } // End llvm namespace |
