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/InitializePasses.h"

Go to the source code of this file.

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

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

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 23 of file SILateBranchLowering.cpp.

Function Documentation

generateEndPgm()

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

static

Definition at line 69 of file SILateBranchLowering.cpp.

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

INITIALIZE_PASS_BEGIN()

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

splitBlock()

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

static

Definition at line 105 of file SILateBranchLowering.cpp.

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

Variable Documentation

DEBUG_TYPE

DEBUG_TYPE

Definition at line 64 of file SILateBranchLowering.cpp.

false

SI insert s_cbranch_execz false

Definition at line 65 of file SILateBranchLowering.cpp.

instructions

SI insert s_cbranch_execz instructions

Definition at line 65 of file SILateBranchLowering.cpp.