Coverage Report

Created: 2019-07-24 05:18

/Users/buildslave/jenkins/workspace/clang-stage2-coverage-R/llvm/lib/Target/Lanai/LanaiFrameLowering.h
Line
Count
Source
1
//===-- LanaiFrameLowering.h - Define frame lowering for Lanai --*- C++-*--===//
2
//
3
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
4
// See https://llvm.org/LICENSE.txt for license information.
5
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
6
//
7
//===----------------------------------------------------------------------===//
8
//
9
// This class implements Lanai-specific bits of TargetFrameLowering class.
10
//
11
//===----------------------------------------------------------------------===//
12
13
#ifndef LLVM_LIB_TARGET_LANAI_LANAIFRAMELOWERING_H
14
#define LLVM_LIB_TARGET_LANAI_LANAIFRAMELOWERING_H
15
16
#include "llvm/CodeGen/TargetFrameLowering.h"
17
18
namespace llvm {
19
20
class BitVector;
21
class LanaiSubtarget;
22
23
class LanaiFrameLowering : public TargetFrameLowering {
24
private:
25
  void determineFrameLayout(MachineFunction &MF) const;
26
  void replaceAdjDynAllocPseudo(MachineFunction &MF) const;
27
28
protected:
29
  const LanaiSubtarget &STI;
30
31
public:
32
  explicit LanaiFrameLowering(const LanaiSubtarget &Subtarget)
33
      : TargetFrameLowering(StackGrowsDown,
34
                            /*StackAlignment=*/8,
35
                            /*LocalAreaOffset=*/0),
36
27
        STI(Subtarget) {}
37
38
  // emitProlog/emitEpilog - These methods insert prolog and epilog code into
39
  // the function.
40
  void emitPrologue(MachineFunction &MF, MachineBasicBlock &MBB) const override;
41
  void emitEpilogue(MachineFunction &MF, MachineBasicBlock &MBB) const override;
42
43
  MachineBasicBlock::iterator
44
  eliminateCallFramePseudoInstr(MachineFunction &MF, MachineBasicBlock &MBB,
45
                                MachineBasicBlock::iterator I) const override;
46
47
303
  bool hasFP(const MachineFunction & /*MF*/) const override { return true; }
48
49
  void determineCalleeSaves(MachineFunction &MF, BitVector &SavedRegs,
50
                            RegScavenger *RS = nullptr) const override;
51
};
52
53
} // namespace llvm
54
55
#endif // LLVM_LIB_TARGET_LANAI_LANAIFRAMELOWERING_H