WebAssemblyPostLegalizerCombiner.cpp File Reference

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

#include "WebAssembly.h"
#include "WebAssemblyTargetMachine.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/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 "WebAssemblyGenPostLegalizeGICombiner.inc"

Go to the source code of this file.

Macros
#define	GET_GICOMBINER_DEPS
#define	DEBUG_TYPE   "wasm-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 (WebAssemblyPostLegalizerCombinerLegacy, DEBUG_TYPE, "Combine WebAssembly MachineInstrs after legalization", false, false) INITIALIZE_PASS_END(WebAssemblyPostLegalizerCombinerLegacy

Variables
	DEBUG_TYPE
Combine WebAssembly MachineInstrs after	legalization
Combine WebAssembly 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 WebAssemblyPreLegalizerCombiner.

Definition in file WebAssemblyPostLegalizerCombiner.cpp.

Macro Definition Documentation

DEBUG_TYPE

#define DEBUG_TYPE   "wasm-postlegalizer-combiner"

Definition at line 39 of file WebAssemblyPostLegalizerCombiner.cpp.

GET_GICOMBINER_CLASS_MEMBERS

#define GET_GICOMBINER_CLASS_MEMBERS

Definition at line 68 of file WebAssemblyPostLegalizerCombiner.cpp.

GET_GICOMBINER_CONSTRUCTOR_INITS

#define GET_GICOMBINER_CONSTRUCTOR_INITS

GET_GICOMBINER_DEPS

#define GET_GICOMBINER_DEPS

Definition at line 35 of file WebAssemblyPostLegalizerCombiner.cpp.

GET_GICOMBINER_IMPL

#define GET_GICOMBINER_IMPL

Definition at line 73 of file WebAssemblyPostLegalizerCombiner.cpp.

GET_GICOMBINER_TYPES

#define GET_GICOMBINER_TYPES

Definition at line 45 of file WebAssemblyPostLegalizerCombiner.cpp.

Function Documentation

INITIALIZE_PASS_BEGIN()

INITIALIZE_PASS_BEGIN	(	WebAssemblyPostLegalizerCombinerLegacy	,
		DEBUG_TYPE	,
		"Combine WebAssembly 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 124 of file WebAssemblyPostLegalizerCombiner.cpp.

References assert(), llvm::CombinerInfo::EnableFullDCE, F, llvm::MachineFunction::getFunction(), llvm::TargetMachine::getOptLevel(), llvm::MachineFunction::getProperties(), llvm::MachineFunction::getSubtarget(), llvm::MachineFunction::getTarget(), llvm::CombinerInfo::MaxIterations, llvm::None, llvm::CombinerInfo::ObserverLvl, llvm::reportFatalUsageError(), and llvm::CombinerInfo::SinglePass.

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

Variable Documentation

DEBUG_TYPE

DEBUG_TYPE

Definition at line 166 of file WebAssemblyPostLegalizerCombiner.cpp.

false

Combine WebAssembly MachineInstrs after false

Definition at line 168 of file WebAssemblyPostLegalizerCombiner.cpp.

legalization

Combine WebAssembly MachineInstrs after legalization

Definition at line 167 of file WebAssemblyPostLegalizerCombiner.cpp.