+
+ /// Wraps up getting a CFI index and building a MachineInstr for it.
+ void BuildCFI(MachineBasicBlock &MBB, MachineBasicBlock::iterator MBBI,
+ DebugLoc DL, MCCFIInstruction CFIInst) const;
+
+ /// Sets up EBP and optionally ESI based on the incoming EBP value. Only
+ /// needed for 32-bit. Used in funclet prologues and at catchret destinations.
+ MachineBasicBlock::iterator
+ restoreWin32EHStackPointers(MachineBasicBlock &MBB,
+ MachineBasicBlock::iterator MBBI, DebugLoc DL,
+ bool RestoreSP = false) const;
+
+private:
+ uint64_t calculateMaxStackAlign(const MachineFunction &MF) const;
+
+ /// Emit target stack probe as a call to a helper function
+ MachineInstr *emitStackProbeCall(MachineFunction &MF, MachineBasicBlock &MBB,
+ MachineBasicBlock::iterator MBBI,
+ DebugLoc DL, bool InProlog) const;
+
+ /// Emit target stack probe as an inline sequence.
+ MachineInstr *emitStackProbeInline(MachineFunction &MF,
+ MachineBasicBlock &MBB,
+ MachineBasicBlock::iterator MBBI,
+ DebugLoc DL, bool InProlog) const;
+
+ /// Emit a stub to later inline the target stack probe.
+ MachineInstr *emitStackProbeInlineStub(MachineFunction &MF,
+ MachineBasicBlock &MBB,
+ MachineBasicBlock::iterator MBBI,
+ DebugLoc DL, bool InProlog) const;
+
+ /// Aligns the stack pointer by ANDing it with -MaxAlign.
+ void BuildStackAlignAND(MachineBasicBlock &MBB,
+ MachineBasicBlock::iterator MBBI, DebugLoc DL,
+ unsigned Reg, uint64_t MaxAlign) const;
+
+ /// Make small positive stack adjustments using POPs.
+ bool adjustStackWithPops(MachineBasicBlock &MBB,
+ MachineBasicBlock::iterator MBBI, DebugLoc DL,
+ int Offset) const;
+
+ /// Adjusts the stack pointer using LEA, SUB, or ADD.
+ MachineInstrBuilder BuildStackAdjustment(MachineBasicBlock &MBB,
+ MachineBasicBlock::iterator MBBI,
+ DebugLoc DL, int64_t Offset,
+ bool InEpilogue) const;
+
+ unsigned getPSPSlotOffsetFromSP(const MachineFunction &MF) const;
+
+ unsigned getWinEHFuncletFrameSize(const MachineFunction &MF) const;