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llvm-mirror/include/llvm/IR/IRPrintingPasses.h
Chandler Carruth ae65e281f3 Update the file headers across all of the LLVM projects in the monorepo
to reflect the new license.

We understand that people may be surprised that we're moving the header
entirely to discuss the new license. We checked this carefully with the
Foundation's lawyer and we believe this is the correct approach.

Essentially, all code in the project is now made available by the LLVM
project under our new license, so you will see that the license headers
include that license only. Some of our contributors have contributed
code under our old license, and accordingly, we have retained a copy of
our old license notice in the top-level files in each project and
repository.

llvm-svn: 351636
2019-01-19 08:50:56 +00:00

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4.0 KiB
C++

//===- IRPrintingPasses.h - Passes to print out IR constructs ---*- 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 defines passes to print out IR in various granularities. The
/// PrintModulePass pass simply prints out the entire module when it is
/// executed. The PrintFunctionPass class is designed to be pipelined with
/// other FunctionPass's, and prints out the functions of the module as they
/// are processed.
///
//===----------------------------------------------------------------------===//
#ifndef LLVM_IR_IRPRINTINGPASSES_H
#define LLVM_IR_IRPRINTINGPASSES_H
#include "llvm/ADT/StringRef.h"
#include <string>
namespace llvm {
class Pass;
class BasicBlockPass;
class Function;
class FunctionPass;
class Module;
class ModulePass;
class PreservedAnalyses;
class raw_ostream;
template <typename IRUnitT, typename... ExtraArgTs> class AnalysisManager;
/// Create and return a pass that writes the module to the specified
/// \c raw_ostream.
ModulePass *createPrintModulePass(raw_ostream &OS,
const std::string &Banner = "",
bool ShouldPreserveUseListOrder = false);
/// Create and return a pass that prints functions to the specified
/// \c raw_ostream as they are processed.
FunctionPass *createPrintFunctionPass(raw_ostream &OS,
const std::string &Banner = "");
/// Create and return a pass that writes the BB to the specified
/// \c raw_ostream.
BasicBlockPass *createPrintBasicBlockPass(raw_ostream &OS,
const std::string &Banner = "");
/// Print out a name of an LLVM value without any prefixes.
///
/// The name is surrounded with ""'s and escaped if it has any special or
/// non-printable characters in it.
void printLLVMNameWithoutPrefix(raw_ostream &OS, StringRef Name);
/// Return true if a pass is for IR printing.
bool isIRPrintingPass(Pass *P);
/// isFunctionInPrintList - returns true if a function should be printed via
// debugging options like -print-after-all/-print-before-all.
// Tells if the function IR should be printed by PrinterPass.
extern bool isFunctionInPrintList(StringRef FunctionName);
/// forcePrintModuleIR - returns true if IR printing passes should
// be printing module IR (even for local-pass printers e.g. function-pass)
// to provide more context, as enabled by debugging option -print-module-scope
// Tells if IR printer should be printing module IR
extern bool forcePrintModuleIR();
extern bool shouldPrintBeforePass();
extern bool shouldPrintBeforePass(StringRef);
extern bool shouldPrintAfterPass();
extern bool shouldPrintAfterPass(StringRef);
/// Pass for printing a Module as LLVM's text IR assembly.
///
/// Note: This pass is for use with the new pass manager. Use the create...Pass
/// functions above to create passes for use with the legacy pass manager.
class PrintModulePass {
raw_ostream &OS;
std::string Banner;
bool ShouldPreserveUseListOrder;
public:
PrintModulePass();
PrintModulePass(raw_ostream &OS, const std::string &Banner = "",
bool ShouldPreserveUseListOrder = false);
PreservedAnalyses run(Module &M, AnalysisManager<Module> &);
static StringRef name() { return "PrintModulePass"; }
};
/// Pass for printing a Function as LLVM's text IR assembly.
///
/// Note: This pass is for use with the new pass manager. Use the create...Pass
/// functions above to create passes for use with the legacy pass manager.
class PrintFunctionPass {
raw_ostream &OS;
std::string Banner;
public:
PrintFunctionPass();
PrintFunctionPass(raw_ostream &OS, const std::string &Banner = "");
PreservedAnalyses run(Function &F, AnalysisManager<Function> &);
static StringRef name() { return "PrintFunctionPass"; }
};
} // End llvm namespace
#endif