RISCVPostLegalizerCombiner.cpp File Reference

Post-legalization combines on generic MachineInstrs. More...

#include "RISCV.h"
#include "RISCVTargetMachine.h"
#include "llvm/CodeGen/GlobalISel/CSEInfo.h"
#include "llvm/CodeGen/GlobalISel/Combiner.h"
#include "llvm/CodeGen/GlobalISel/CombinerHelper.h"
#include "llvm/CodeGen/GlobalISel/CombinerInfo.h"
#include "llvm/CodeGen/GlobalISel/GIMatchTableExecutorImpl.h"
#include "llvm/CodeGen/GlobalISel/GISelValueTracking.h"
#include "llvm/CodeGen/GlobalISel/MIPatternMatch.h"
#include "llvm/CodeGen/GlobalISel/MachineIRBuilder.h"
#include "llvm/CodeGen/MachineDominators.h"
#include "llvm/CodeGen/MachineFunctionAnalysisManager.h"
#include "llvm/CodeGen/MachineFunctionPass.h"
#include "llvm/CodeGen/MachinePassManager.h"
#include "llvm/CodeGen/TargetPassConfig.h"
#include "llvm/IR/Analysis.h"
#include "llvm/Support/ErrorHandling.h"
#include "llvm/Support/FormatVariadic.h"
#include "RISCVGenPostLegalizeGICombiner.inc"

Go to the source code of this file.

Macros
#define	GET_GICOMBINER_DEPS
#define	DEBUG_TYPE   "riscv-postlegalizer-combiner"
#define	GET_GICOMBINER_TYPES
#define	GET_GICOMBINER_CLASS_MEMBERS
#define	GET_GICOMBINER_IMPL
#define	GET_GICOMBINER_CONSTRUCTOR_INITS

Functions
static bool	runCombinerOnMachineFunction (MachineFunction &MF, function_ref< bool()> ShouldSkip, function_ref< GISelValueTracking *()> GetVT, function_ref< MachineDominatorTree *()> GetMDT, function_ref< GISelCSEInfo *()> GetCSEInfo)
	INITIALIZE_PASS_BEGIN (RISCVPostLegalizerCombinerLegacy, DEBUG_TYPE, "Combine RISC-V MachineInstrs after legalization", false, false) INITIALIZE_PASS_END(RISCVPostLegalizerCombinerLegacy

Variables
	DEBUG_TYPE
Combine RISC V MachineInstrs after	legalization
Combine RISC V MachineInstrs after	false

Detailed Description

Post-legalization combines on generic MachineInstrs.

The combines here must preserve instruction legality.

Combines which don't rely on instruction legality should go in the RISCVPreLegalizerCombiner.

Definition in file RISCVPostLegalizerCombiner.cpp.

Macro Definition Documentation

DEBUG_TYPE

#define DEBUG_TYPE   "riscv-postlegalizer-combiner"

Definition at line 42 of file RISCVPostLegalizerCombiner.cpp.

GET_GICOMBINER_CLASS_MEMBERS

#define GET_GICOMBINER_CLASS_MEMBERS

Definition at line 117 of file RISCVPostLegalizerCombiner.cpp.

GET_GICOMBINER_CONSTRUCTOR_INITS

#define GET_GICOMBINER_CONSTRUCTOR_INITS

GET_GICOMBINER_DEPS

#define GET_GICOMBINER_DEPS

Definition at line 38 of file RISCVPostLegalizerCombiner.cpp.

GET_GICOMBINER_IMPL

#define GET_GICOMBINER_IMPL

Definition at line 122 of file RISCVPostLegalizerCombiner.cpp.

GET_GICOMBINER_TYPES

#define GET_GICOMBINER_TYPES

Definition at line 49 of file RISCVPostLegalizerCombiner.cpp.

Function Documentation

INITIALIZE_PASS_BEGIN()

INITIALIZE_PASS_BEGIN	(	RISCVPostLegalizerCombinerLegacy	,
		DEBUG_TYPE	,
		"Combine RISC-V MachineInstrs after legalization"	,
		false	,
		false	)

References DEBUG_TYPE, and INITIALIZE_PASS_DEPENDENCY.

runCombinerOnMachineFunction()

bool runCombinerOnMachineFunction ( MachineFunction & MF, function_ref< bool()> ShouldSkip, function_ref< GISelValueTracking *()> GetVT, function_ref< MachineDominatorTree *()> GetMDT, function_ref< GISelCSEInfo *()> GetCSEInfo )

static

Definition at line 173 of file RISCVPostLegalizerCombiner.cpp.

References assert(), F, llvm::MachineFunction::getFunction(), llvm::TargetMachine::getOptLevel(), llvm::MachineFunction::getProperties(), llvm::MachineFunction::getSubtarget(), llvm::MachineFunction::getTarget(), llvm::None, and llvm::reportFatalUsageError().

Referenced by llvm::RISCVPostLegalizerCombinerPass::run(), llvm::WebAssemblyPostLegalizerCombinerPass::run(), and llvm::WebAssemblyPreLegalizerCombinerPass::run().

Variable Documentation

DEBUG_TYPE

DEBUG_TYPE

Definition at line 210 of file RISCVPostLegalizerCombiner.cpp.

false

Combine RISC V MachineInstrs after false

Definition at line 211 of file RISCVPostLegalizerCombiner.cpp.

legalization

Combine RISC V MachineInstrs after legalization

Definition at line 211 of file RISCVPostLegalizerCombiner.cpp.