WebAssemblyCleanCodeAfterTrap.cpp File Reference

This file remove instruction after trap. More...

#include "WebAssembly.h"
#include "WebAssemblyUtilities.h"
#include "llvm/ADT/SmallVector.h"
#include "llvm/CodeGen/MachineBlockFrequencyInfo.h"
#include "llvm/CodeGen/MachineFunctionAnalysisManager.h"
#include "llvm/CodeGen/MachinePassManager.h"
#include "llvm/CodeGen/Passes.h"
#include "llvm/IR/Analysis.h"
#include "llvm/MC/MCInstrDesc.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-clean-code-after-trap"

Functions
	INITIALIZE_PASS (WebAssemblyCleanCodeAfterTrapLegacy, DEBUG_TYPE, "WebAssembly Clean Code After Trap", false, false) FunctionPass *llvm
static bool	cleanCodeAfterTrap (MachineFunction &MF)

Detailed Description

This file remove instruction after trap.

llvm.trap will be convert as unreachable which is terminator. Instruction after terminator will cause validation failed.

Definition in file WebAssemblyCleanCodeAfterTrap.cpp.

Macro Definition Documentation

DEBUG_TYPE

#define DEBUG_TYPE   "wasm-clean-code-after-trap"

Definition at line 29 of file WebAssemblyCleanCodeAfterTrap.cpp.

Function Documentation

cleanCodeAfterTrap()

bool cleanCodeAfterTrap ( MachineFunction & MF )

static

Definition at line 53 of file WebAssemblyCleanCodeAfterTrap.cpp.

References Changed, llvm::dbgs(), llvm::SmallVectorTemplateCommon< T, typename >::empty(), llvm::MachineFunction::getName(), LLVM_DEBUG, MI, llvm::SmallVectorTemplateBase< T, bool >::push_back(), and llvm::MCID::Trap.

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

INITIALIZE_PASS()

INITIALIZE_PASS	(	WebAssemblyCleanCodeAfterTrapLegacy	,
		DEBUG_TYPE	,
		"WebAssembly Clean Code After Trap"	,
		false	,
		false	)

Definition at line 46 of file WebAssemblyCleanCodeAfterTrap.cpp.

References llvm::createWebAssemblyCleanCodeAfterTrapLegacyPass(), and DEBUG_TYPE.