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265f191b57
This function estimates stack size and will be called before PrologEpilogInserter scans the callee-saved registers. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@167313 91177308-0d34-0410-b5e6-96231b3b80d8
49 lines
1.4 KiB
C++
49 lines
1.4 KiB
C++
//===-- MipsFrameLowering.h - Define frame lowering for Mips ----*- C++ -*-===//
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//
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// The LLVM Compiler Infrastructure
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//
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// This file is distributed under the University of Illinois Open Source
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// License. See LICENSE.TXT for details.
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//
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//===----------------------------------------------------------------------===//
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//
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//
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//
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//===----------------------------------------------------------------------===//
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#ifndef MIPS_FRAMEINFO_H
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#define MIPS_FRAMEINFO_H
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#include "Mips.h"
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#include "MipsSubtarget.h"
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#include "llvm/Target/TargetFrameLowering.h"
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namespace llvm {
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class MipsSubtarget;
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class MipsFrameLowering : public TargetFrameLowering {
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protected:
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const MipsSubtarget &STI;
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public:
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explicit MipsFrameLowering(const MipsSubtarget &sti)
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: TargetFrameLowering(StackGrowsDown, sti.hasMips64() ? 16 : 8, 0,
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sti.hasMips64() ? 16 : 8), STI(sti) {}
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static const MipsFrameLowering *create(MipsTargetMachine &TM,
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const MipsSubtarget &ST);
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bool hasFP(const MachineFunction &MF) const;
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protected:
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uint64_t estimateStackSize(const MachineFunction &MF) const;
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};
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/// Create MipsInstrInfo objects.
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const MipsFrameLowering *createMips16FrameLowering(const MipsSubtarget &ST);
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const MipsFrameLowering *createMipsSEFrameLowering(const MipsSubtarget &ST);
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} // End llvm namespace
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#endif
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