-//==--- MipsFrameLowering.h - Define frame lowering for Mips --*- C++ -*---===//
+//===-- MipsFrameLowering.h - Define frame lowering for Mips ----*- C++ -*-===//
//
// The LLVM Compiler Infrastructure
//
//
//===----------------------------------------------------------------------===//
-#ifndef MIPS_FRAMEINFO_H
-#define MIPS_FRAMEINFO_H
+#ifndef LLVM_LIB_TARGET_MIPS_MIPSFRAMELOWERING_H
+#define LLVM_LIB_TARGET_MIPS_MIPSFRAMELOWERING_H
#include "Mips.h"
-#include "MipsSubtarget.h"
#include "llvm/Target/TargetFrameLowering.h"
namespace llvm {
const MipsSubtarget &STI;
public:
- explicit MipsFrameLowering(const MipsSubtarget &sti)
- : TargetFrameLowering(StackGrowsDown, 8, 0), STI(sti) {
- }
+ explicit MipsFrameLowering(const MipsSubtarget &sti, unsigned Alignment)
+ : TargetFrameLowering(StackGrowsDown, Alignment, 0, Alignment), STI(sti) {}
- bool targetHandlesStackFrameRounding() const;
+ static const MipsFrameLowering *create(const MipsSubtarget &ST);
- /// emitProlog/emitEpilog - These methods insert prolog and epilog code into
- /// the function.
- void emitPrologue(MachineFunction &MF) const;
- void emitEpilogue(MachineFunction &MF, MachineBasicBlock &MBB) const;
+ bool hasFP(const MachineFunction &MF) const override;
- bool hasFP(const MachineFunction &MF) const;
+ bool hasBP(const MachineFunction &MF) const;
- void processFunctionBeforeCalleeSavedScan(MachineFunction &MF,
- RegScavenger *RS) const;
+ bool isFPCloseToIncomingSP() const override { return false; }
+
+ void
+ eliminateCallFramePseudoInstr(MachineFunction &MF,
+ MachineBasicBlock &MBB,
+ MachineBasicBlock::iterator I) const override;
+
+protected:
+ uint64_t estimateStackSize(const MachineFunction &MF) const;
};
+/// Create MipsFrameLowering objects.
+const MipsFrameLowering *createMips16FrameLowering(const MipsSubtarget &ST);
+const MipsFrameLowering *createMipsSEFrameLowering(const MipsSubtarget &ST);
+
} // End llvm namespace
#endif