llvm-for-llvmta/lib/Target/WebAssembly/WebAssemblyUtilities.h

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//===-- WebAssemblyUtilities - WebAssembly Utility Functions ---*- C++ -*-====//
//
// 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 contains the declaration of the WebAssembly-specific
/// utility functions.
///
//===----------------------------------------------------------------------===//
#ifndef LLVM_LIB_TARGET_WEBASSEMBLY_WEBASSEMBLYUTILITIES_H
#define LLVM_LIB_TARGET_WEBASSEMBLY_WEBASSEMBLYUTILITIES_H
namespace llvm {
class MachineBasicBlock;
class MachineInstr;
class MachineOperand;
class MCContext;
class MCSymbolWasm;
class StringRef;
class WebAssemblyFunctionInfo;
namespace WebAssembly {
bool isChild(const MachineInstr &MI, const WebAssemblyFunctionInfo &MFI);
bool mayThrow(const MachineInstr &MI);
// Exception-related function names
extern const char *const ClangCallTerminateFn;
extern const char *const CxaBeginCatchFn;
extern const char *const CxaRethrowFn;
extern const char *const StdTerminateFn;
extern const char *const PersonalityWrapperFn;
/// Returns the operand number of a callee, assuming the argument is a call
/// instruction.
const MachineOperand &getCalleeOp(const MachineInstr &MI);
/// Returns the operand number of a callee, assuming the argument is a call
/// instruction.
MCSymbolWasm *getOrCreateFunctionTableSymbol(MCContext &Ctx,
const StringRef &Name);
/// Find a catch instruction from an EH pad. Returns null if no catch
/// instruction found or the catch is in an invalid location.
MachineInstr *findCatch(MachineBasicBlock *EHPad);
} // end namespace WebAssembly
} // end namespace llvm
#endif