WebAssemblyCoalesceFeaturesAndStripAtomics.cpp File Reference

#include "WebAssembly.h"
#include "WebAssemblyTargetMachine.h"
#include "llvm/IR/Analysis.h"
#include "llvm/IR/IntrinsicInst.h"
#include "llvm/IR/Module.h"
#include "llvm/IR/PassManager.h"
#include "llvm/MC/MCSubtargetInfo.h"
#include "llvm/Pass.h"
#include "llvm/Transforms/Scalar/LowerAtomicPass.h"

Go to the source code of this file.

Macros
#define	DEBUG_TYPE   "wasm-coalesce-features-and-strip-atomics"

Functions
	INITIALIZE_PASS (WebAssemblyCoalesceFeaturesAndStripAtomicsLegacy, DEBUG_TYPE, "Coalesce features and strip atomics", true, false) ModulePass *llvm
static std::string	getFeatureString (const MCSubtargetInfo &STI, const FeatureBitset &Features)
static std::pair< FeatureBitset, std::string >	coalesceFeatures (const Module &M, WebAssemblyTargetMachine *WasmTM)
static void	replaceFeatures (Function &F, const std::string &Features)
static bool	stripAtomics (Module &M)
static bool	stripThreadLocals (Module &M)
static void	recordFeatures (Module &M, const WebAssemblySubtarget *ST, const FeatureBitset &Features, bool Stripped)
static bool	coalesceFeaturesAndStripAtomics (Module &M, WebAssemblyTargetMachine *WasmTM)

Macro Definition Documentation

DEBUG_TYPE

#define DEBUG_TYPE   "wasm-coalesce-features-and-strip-atomics"

Definition at line 21 of file WebAssemblyCoalesceFeaturesAndStripAtomics.cpp.

Function Documentation

coalesceFeatures()

std::pair< FeatureBitset, std::string > coalesceFeatures ( const Module & M, WebAssemblyTargetMachine * WasmTM )

static

Definition at line 67 of file WebAssemblyCoalesceFeaturesAndStripAtomics.cpp.

References F, llvm::MCSubtargetInfo::getFeatureBits(), getFeatureString(), llvm::TargetMachine::getMCSubtargetInfo(), and llvm::WebAssemblyTargetMachine::getSubtargetImpl().

Referenced by coalesceFeaturesAndStripAtomics().

coalesceFeaturesAndStripAtomics()

bool coalesceFeaturesAndStripAtomics ( Module & M, WebAssemblyTargetMachine * WasmTM )

static

Definition at line 166 of file WebAssemblyCoalesceFeaturesAndStripAtomics.cpp.

References coalesceFeatures(), F, llvm::WebAssemblyTargetMachine::getSubtargetImpl(), llvm::TargetMachine::getTargetCPU(), llvm::TargetMachine::getTargetFeatureString(), llvm::POSIX, recordFeatures(), replaceFeatures(), llvm::TargetMachine::setTargetFeatureString(), stripAtomics(), and stripThreadLocals().

Referenced by llvm::WebAssemblyCoalesceFeaturesAndStripAtomicsPass::run().

getFeatureString()

std::string getFeatureString ( const MCSubtargetInfo & STI, const FeatureBitset & Features )

static

Definition at line 52 of file WebAssemblyCoalesceFeaturesAndStripAtomics.cpp.

References llvm::MCSubtargetInfo::getAllProcessorFeatures().

Referenced by coalesceFeatures().

INITIALIZE_PASS()

INITIALIZE_PASS	(	WebAssemblyCoalesceFeaturesAndStripAtomicsLegacy	,
		DEBUG_TYPE	,
		"Coalesce features and strip atomics"	,
		true	,
		false	)

Definition at line 44 of file WebAssemblyCoalesceFeaturesAndStripAtomics.cpp.

References llvm::createWebAssemblyCoalesceFeaturesAndStripAtomicsLegacyPass(), and DEBUG_TYPE.

recordFeatures()

void recordFeatures ( Module & M, const WebAssemblySubtarget * ST, const FeatureBitset & Features, bool Stripped )

static

Definition at line 145 of file WebAssemblyCoalesceFeaturesAndStripAtomics.cpp.

References llvm::Module::Error, llvm::wasm::WASM_FEATURE_PREFIX_DISALLOWED, and llvm::wasm::WASM_FEATURE_PREFIX_USED.

Referenced by coalesceFeaturesAndStripAtomics().

replaceFeatures()

void replaceFeatures ( Function & F, const std::string & Features )

static

Definition at line 90 of file WebAssemblyCoalesceFeaturesAndStripAtomics.cpp.

References F.

Referenced by coalesceFeaturesAndStripAtomics().

stripAtomics()

bool stripAtomics ( Module & M )

static

Definition at line 96 of file WebAssemblyCoalesceFeaturesAndStripAtomics.cpp.

References B(), F, FAM, and I.

Referenced by coalesceFeaturesAndStripAtomics().

stripThreadLocals()

bool stripThreadLocals ( Module & M )

static

Definition at line 123 of file WebAssemblyCoalesceFeaturesAndStripAtomics.cpp.

References llvm::dyn_cast(), II, and llvm::make_early_inc_range().

Referenced by coalesceFeaturesAndStripAtomics().