//===- Trace.cpp - Implementation of Trace class --------------------------===// // // 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 class represents a single trace of LLVM basic blocks. A trace is a // single entry, multiple exit, region of code that is often hot. Trace-based // optimizations treat traces almost like they are a large, strange, basic // block: because the trace path is assumed to be hot, optimizations for the // fall-through path are made at the expense of the non-fall-through paths. // //===----------------------------------------------------------------------===// #include "llvm/Analysis/Trace.h" #include "llvm/Config/llvm-config.h" #include "llvm/IR/BasicBlock.h" #include "llvm/IR/Function.h" #include "llvm/Support/Compiler.h" #include "llvm/Support/Debug.h" #include "llvm/Support/raw_ostream.h" usingnamespacellvm; Function *Trace::getFunction() const { … } Module *Trace::getModule() const { … } /// print - Write trace to output stream. void Trace::print(raw_ostream &O) const { … } #if !defined(NDEBUG) || defined(LLVM_ENABLE_DUMP) /// dump - Debugger convenience method; writes trace to standard error /// output stream. LLVM_DUMP_METHOD void Trace::dump() const { print(dbgs()); } #endif