Coverage Report

Created: 2017-10-03 07:32

/Users/buildslave/jenkins/sharedspace/clang-stage2-coverage-R@2/llvm/lib/Target/Lanai/LanaiFrameLowering.h
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//===-- LanaiFrameLowering.h - Define frame lowering for Lanai --*- 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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// This class implements Lanai-specific bits of TargetFrameLowering class.
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//
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//===----------------------------------------------------------------------===//
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#ifndef LLVM_LIB_TARGET_LANAI_LANAIFRAMELOWERING_H
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#define LLVM_LIB_TARGET_LANAI_LANAIFRAMELOWERING_H
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#include "Lanai.h"
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#include "llvm/Target/TargetFrameLowering.h"
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namespace llvm {
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class BitVector;
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class LanaiSubtarget;
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class LanaiFrameLowering : public TargetFrameLowering {
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private:
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  void determineFrameLayout(MachineFunction &MF) const;
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  void replaceAdjDynAllocPseudo(MachineFunction &MF) const;
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protected:
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  const LanaiSubtarget &STI;
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public:
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  explicit LanaiFrameLowering(const LanaiSubtarget &Subtarget)
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      : TargetFrameLowering(StackGrowsDown,
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                            /*StackAlignment=*/8,
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                            /*LocalAreaOffset=*/0),
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        STI(Subtarget) {}
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  // emitProlog/emitEpilog - These methods insert prolog and epilog code into
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  // the function.
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  void emitPrologue(MachineFunction &MF, MachineBasicBlock &MBB) const override;
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  void emitEpilogue(MachineFunction &MF, MachineBasicBlock &MBB) const override;
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  MachineBasicBlock::iterator
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  eliminateCallFramePseudoInstr(MachineFunction &MF, MachineBasicBlock &MBB,
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                                MachineBasicBlock::iterator I) const override;
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  bool hasFP(const MachineFunction & /*MF*/) const override { return true; }
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  void determineCalleeSaves(MachineFunction &MF, BitVector &SavedRegs,
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                            RegScavenger *RS = nullptr) const override;
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};
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} // namespace llvm
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#endif // LLVM_LIB_TARGET_LANAI_LANAIFRAMELOWERING_H