WebAssemblyLowerBrUnless.cpp File Reference

This file lowers br_unless into br_if with an inverted condition. More...

#include "MCTargetDesc/WebAssemblyMCTargetDesc.h"
#include "WebAssembly.h"
#include "WebAssemblyMachineFunctionInfo.h"
#include "WebAssemblySubtarget.h"
#include "llvm/CodeGen/MachineFunctionAnalysisManager.h"
#include "llvm/CodeGen/MachineFunctionPass.h"
#include "llvm/CodeGen/MachineInstrBuilder.h"
#include "llvm/CodeGen/MachinePassManager.h"
#include "llvm/IR/Analysis.h"
#include "llvm/Support/Debug.h"
#include "llvm/Support/raw_ostream.h"

Go to the source code of this file.

Macros
#define	DEBUG_TYPE   "wasm-lower-br_unless"

Functions
	INITIALIZE_PASS (WebAssemblyLowerBrUnlessLegacy, DEBUG_TYPE, "Lowers br_unless into inverted br_if", false, false) FunctionPass *llvm
static bool	lowerBrUnless (MachineFunction &MF)

Detailed Description

This file lowers br_unless into br_if with an inverted condition.

br_unless is not currently in the spec, but it's very convenient for LLVM to use. This pass allows LLVM to use it, for now.

Definition in file WebAssemblyLowerBrUnless.cpp.

Macro Definition Documentation

DEBUG_TYPE

#define DEBUG_TYPE   "wasm-lower-br_unless"

Definition at line 30 of file WebAssemblyLowerBrUnless.cpp.

Function Documentation

INITIALIZE_PASS()

INITIALIZE_PASS	(	WebAssemblyLowerBrUnlessLegacy	,
		DEBUG_TYPE	,
		"Lowers br_unless into inverted br_if"	,
		false	,
		false	)

Definition at line 52 of file WebAssemblyLowerBrUnless.cpp.

References llvm::createWebAssemblyLowerBrUnlessLegacyPass(), and DEBUG_TYPE.

lowerBrUnless()

bool lowerBrUnless ( MachineFunction & MF )

static

Definition at line 59 of file WebAssemblyLowerBrUnless.cpp.

References llvm::MachineInstrBuilder::add(), llvm::MachineInstrBuilder::addReg(), assert(), llvm::BuildMI(), Cond, llvm::dbgs(), llvm::MachineFunction::getInfo(), llvm::MachineFunction::getName(), llvm::MachineFunction::getRegInfo(), llvm::MachineFunction::getSubtarget(), LLVM_DEBUG, llvm::make_early_inc_range(), MBB, MI, and TII.

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