//===- LexicalScopes.cpp - Collecting lexical scope info --------*- 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 implements LexicalScopes analysis. // // This pass collects lexical scope information and maps machine instructions // to respective lexical scopes. // //===----------------------------------------------------------------------===// #ifndef LLVM_CODEGEN_LEXICALSCOPES_H #define LLVM_CODEGEN_LEXICALSCOPES_H #include "llvm/ADT/ArrayRef.h" #include "llvm/ADT/DenseMap.h" #include "llvm/ADT/SmallPtrSet.h" #include "llvm/ADT/SmallVector.h" #include "llvm/IR/DebugInfoMetadata.h" #include <cassert> #include <unordered_map> #include <utility> namespace llvm { class MachineBasicBlock; class MachineFunction; class MachineInstr; class MDNode; //===----------------------------------------------------------------------===// /// InsnRange - This is used to track range of instructions with identical /// lexical scope. /// InsnRange; //===----------------------------------------------------------------------===// /// LexicalScope - This class is used to track scope information. /// class LexicalScope { … }; //===----------------------------------------------------------------------===// /// LexicalScopes - This class provides interface to collect and use lexical /// scoping information from machine instruction. /// class LexicalScopes { … }; } // end namespace llvm #endif // LLVM_CODEGEN_LEXICALSCOPES_H