llvm/llvm/lib/Target/WebAssembly/WebAssemblyCleanCodeAfterTrap.cpp

//===-- WebAssemblyCleanCodeAfterTrap.cpp - Clean Code After Trap ---------===//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//
///
/// \file
/// This file remove instruction after trap.
/// ``llvm.trap`` will be convert as ``unreachable`` which is terminator.
/// Instruction after terminator will cause validation failed.
///
//===----------------------------------------------------------------------===//

#include "WebAssembly.h"
#include "WebAssemblyUtilities.h"
#include "llvm/ADT/SmallVector.h"
#include "llvm/CodeGen/MachineBlockFrequencyInfo.h"
#include "llvm/CodeGen/Passes.h"
#include "llvm/MC/MCInstrDesc.h"
#include "llvm/Support/Debug.h"
#include "llvm/Support/raw_ostream.h"
usingnamespacellvm;

#define DEBUG_TYPE …

namespace {
class WebAssemblyCleanCodeAfterTrap final : public MachineFunctionPass { … };
} // end anonymous namespace

char WebAssemblyCleanCodeAfterTrap::ID = …;
INITIALIZE_PASS(…)

FunctionPass *llvm::createWebAssemblyCleanCodeAfterTrap() { … }

bool WebAssemblyCleanCodeAfterTrap::runOnMachineFunction(MachineFunction &MF) { … }