LCOV - code coverage report
Current view: top level - lib/Target/AMDGPU - SIFrameLowering.h (source / functions) Hit Total Coverage
Test: llvm-toolchain.info Lines: 3 3 100.0 %
Date: 2018-10-20 13:21:21 Functions: 0 2 0.0 %
Legend: Lines: hit not hit

          Line data    Source code
       1             : //===--------------------- SIFrameLowering.h --------------------*- C++ -*-===//
       2             : //
       3             : //                     The LLVM Compiler Infrastructure
       4             : //
       5             : // This file is distributed under the University of Illinois Open Source
       6             : // License. See LICENSE.TXT for details.
       7             : //
       8             : //===----------------------------------------------------------------------===//
       9             : 
      10             : #ifndef LLVM_LIB_TARGET_AMDGPU_SIFRAMELOWERING_H
      11             : #define LLVM_LIB_TARGET_AMDGPU_SIFRAMELOWERING_H
      12             : 
      13             : #include "AMDGPUFrameLowering.h"
      14             : 
      15             : namespace llvm {
      16             : 
      17             : class SIInstrInfo;
      18             : class SIMachineFunctionInfo;
      19             : class SIRegisterInfo;
      20             : class GCNSubtarget;
      21             : 
      22             : class SIFrameLowering final : public AMDGPUFrameLowering {
      23             : public:
      24             :   SIFrameLowering(StackDirection D, unsigned StackAl, int LAO,
      25        2492 :                   unsigned TransAl = 1) :
      26        2492 :     AMDGPUFrameLowering(D, StackAl, LAO, TransAl) {}
      27        2481 :   ~SIFrameLowering() override = default;
      28             : 
      29             :   void emitEntryFunctionPrologue(MachineFunction &MF,
      30             :                                  MachineBasicBlock &MBB) const;
      31             :   void emitPrologue(MachineFunction &MF,
      32             :                     MachineBasicBlock &MBB) const override;
      33             :   void emitEpilogue(MachineFunction &MF,
      34             :                     MachineBasicBlock &MBB) const override;
      35             :   int getFrameIndexReference(const MachineFunction &MF, int FI,
      36             :                              unsigned &FrameReg) const override;
      37             : 
      38             :   void determineCalleeSaves(MachineFunction &MF, BitVector &SavedRegs,
      39             :                             RegScavenger *RS = nullptr) const override;
      40             : 
      41             :   void processFunctionBeforeFrameFinalized(
      42             :     MachineFunction &MF,
      43             :     RegScavenger *RS = nullptr) const override;
      44             : 
      45             :   MachineBasicBlock::iterator
      46             :   eliminateCallFramePseudoInstr(MachineFunction &MF,
      47             :                                 MachineBasicBlock &MBB,
      48             :                                 MachineBasicBlock::iterator MI) const override;
      49             : 
      50             : private:
      51             :   void emitFlatScratchInit(const GCNSubtarget &ST,
      52             :                            MachineFunction &MF,
      53             :                            MachineBasicBlock &MBB) const;
      54             : 
      55             :   unsigned getReservedPrivateSegmentBufferReg(
      56             :     const GCNSubtarget &ST,
      57             :     const SIInstrInfo *TII,
      58             :     const SIRegisterInfo *TRI,
      59             :     SIMachineFunctionInfo *MFI,
      60             :     MachineFunction &MF) const;
      61             : 
      62             :   std::pair<unsigned, unsigned> getReservedPrivateSegmentWaveByteOffsetReg(
      63             :     const GCNSubtarget &ST,
      64             :     const SIInstrInfo *TII,
      65             :     const SIRegisterInfo *TRI,
      66             :     SIMachineFunctionInfo *MFI,
      67             :     MachineFunction &MF) const;
      68             : 
      69             :   /// Emits debugger prologue.
      70             :   void emitDebuggerPrologue(MachineFunction &MF, MachineBasicBlock &MBB) const;
      71             : 
      72             :   // Emit scratch setup code for AMDPAL or Mesa, assuming ResourceRegUsed is set.
      73             :   void emitEntryFunctionScratchSetup(const GCNSubtarget &ST, MachineFunction &MF,
      74             :       MachineBasicBlock &MBB, SIMachineFunctionInfo *MFI,
      75             :       MachineBasicBlock::iterator I, unsigned PreloadedPrivateBufferReg,
      76             :       unsigned ScratchRsrcReg) const;
      77             : 
      78             : public:
      79             :   bool hasFP(const MachineFunction &MF) const override;
      80             :   bool hasSP(const MachineFunction &MF) const;
      81             : };
      82             : 
      83             : } // end namespace llvm
      84             : 
      85             : #endif // LLVM_LIB_TARGET_AMDGPU_SIFRAMELOWERING_H

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