llvm/clang/lib/CodeGen/VarBypassDetector.h

//===--- VarBypassDetector.h - Bypass jumps detector --------------*- 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
//
//===----------------------------------------------------------------------===//
//
// This file contains VarBypassDetector class, which is used to detect
// local variable declarations which can be bypassed by jumps.
//
//===----------------------------------------------------------------------===//

#ifndef LLVM_CLANG_LIB_CODEGEN_VARBYPASSDETECTOR_H
#define LLVM_CLANG_LIB_CODEGEN_VARBYPASSDETECTOR_H

#include "clang/AST/Decl.h"
#include "llvm/ADT/DenseMap.h"
#include "llvm/ADT/DenseSet.h"
#include "llvm/ADT/SmallVector.h"

namespace clang {

class Decl;
class Stmt;
class VarDecl;

namespace CodeGen {

/// The class detects jumps which bypass local variables declaration:
///    goto L;
///    int a;
///  L:
///
/// This is simplified version of JumpScopeChecker. Primary differences:
///  * Detects only jumps into the scope local variables.
///  * Does not detect jumps out of the scope of local variables.
///  * Not limited to variables with initializers, JumpScopeChecker is limited.
class VarBypassDetector { … };
}
}

#endif