SILateBranchLowering.cpp File Reference

This pass mainly lowers early terminate pseudo instructions. More...

#include "AMDGPU.h"
#include "GCNSubtarget.h"
#include "MCTargetDesc/AMDGPUMCTargetDesc.h"
#include "SIMachineFunctionInfo.h"
#include "llvm/CodeGen/MachineDominators.h"
#include "llvm/CodeGen/MachinePassManager.h"
#include "llvm/InitializePasses.h"

Go to the source code of this file.

Macros
#define	DEBUG_TYPE   "si-late-branch-lowering"

Functions
	INITIALIZE_PASS_BEGIN (SILateBranchLoweringLegacy, DEBUG_TYPE, "SI insert s_cbranch_execz instructions", false, false) INITIALIZE_PASS_END(SILateBranchLoweringLegacy
static void	generateEndPgm (MachineBasicBlock &MBB, MachineBasicBlock::iterator I, DebugLoc DL, const SIInstrInfo *TII, MachineFunction &MF)
static void	splitBlock (MachineBasicBlock &MBB, MachineInstr &MI, MachineDominatorTree *MDT)
static void	copyOpWithoutRegFlags (MachineInstrBuilder &MIB, MachineOperand &Op)

Variables
	DEBUG_TYPE
SI insert s_cbranch_execz	instructions
SI insert s_cbranch_execz	false

Detailed Description

This pass mainly lowers early terminate pseudo instructions.

Definition in file SILateBranchLowering.cpp.

Macro Definition Documentation

DEBUG_TYPE

#define DEBUG_TYPE   "si-late-branch-lowering"

Definition at line 24 of file SILateBranchLowering.cpp.

Function Documentation

copyOpWithoutRegFlags()

void copyOpWithoutRegFlags ( MachineInstrBuilder & MIB, MachineOperand & Op )

static

Definition at line 131 of file SILateBranchLowering.cpp.

References llvm::MachineInstrBuilder::add(), and llvm::MachineInstrBuilder::addReg().

generateEndPgm()

void generateEndPgm ( MachineBasicBlock & MBB, MachineBasicBlock::iterator I, DebugLoc DL, const SIInstrInfo * TII, MachineFunction & MF )

static

Definition at line 80 of file SILateBranchLowering.cpp.

References llvm::MachineInstrBuilder::addImm(), llvm::MachineInstrBuilder::addReg(), llvm::CallingConv::AMDGPU_PS, llvm::BuildMI(), const, DL, llvm::AMDGPU::Exp::ET_MRT0, llvm::AMDGPU::Exp::ET_MRTZ, llvm::AMDGPU::Exp::ET_NULL, F, generateEndPgm(), llvm::AMDGPU::getHasColorExport(), llvm::AMDGPU::getHasDepthExport(), I, llvm::AMDGPU::isGFX10Plus(), MBB, TII, and llvm::RegState::Undef.

Referenced by generateEndPgm().

INITIALIZE_PASS_BEGIN()

INITIALIZE_PASS_BEGIN	(	SILateBranchLoweringLegacy	,
		DEBUG_TYPE	,
		"SI insert s_cbranch_execz instructions"	,
		false	,
		false	)

References DEBUG_TYPE, and INITIALIZE_PASS_DEPENDENCY.

splitBlock()

void splitBlock ( MachineBasicBlock & MBB, MachineInstr & MI, MachineDominatorTree * MDT )

static

Definition at line 116 of file SILateBranchLowering.cpp.

References llvm::DominatorTreeBase< NodeT, IsPostDom >::applyUpdates(), MBB, MI, llvm::SmallVectorTemplateBase< T, bool >::push_back(), and llvm::MachineBasicBlock::successors().

Variable Documentation

DEBUG_TYPE

DEBUG_TYPE

Definition at line 75 of file SILateBranchLowering.cpp.

false

SI insert s_cbranch_execz false

Definition at line 76 of file SILateBranchLowering.cpp.

instructions

SI insert s_cbranch_execz instructions

Definition at line 76 of file SILateBranchLowering.cpp.