120 lines
4.0 KiB
C++
120 lines
4.0 KiB
C++
//===- NewPMDriver.cpp - Driver for opt with new PM -----------------------===//
|
|
//
|
|
// The LLVM Compiler Infrastructure
|
|
//
|
|
// This file is distributed under the University of Illinois Open Source
|
|
// License. See LICENSE.TXT for details.
|
|
//
|
|
//===----------------------------------------------------------------------===//
|
|
/// \file
|
|
///
|
|
/// This file is just a split of the code that logically belongs in opt.cpp but
|
|
/// that includes the new pass manager headers.
|
|
///
|
|
//===----------------------------------------------------------------------===//
|
|
|
|
#include "NewPMDriver.h"
|
|
#include "llvm/ADT/StringRef.h"
|
|
#include "llvm/Analysis/AliasAnalysis.h"
|
|
#include "llvm/Analysis/CGSCCPassManager.h"
|
|
#include "llvm/Bitcode/BitcodeWriterPass.h"
|
|
#include "llvm/IR/Dominators.h"
|
|
#include "llvm/IR/IRPrintingPasses.h"
|
|
#include "llvm/IR/LLVMContext.h"
|
|
#include "llvm/IR/Module.h"
|
|
#include "llvm/IR/PassManager.h"
|
|
#include "llvm/IR/Verifier.h"
|
|
#include "llvm/Passes/PassBuilder.h"
|
|
#include "llvm/Support/CommandLine.h"
|
|
#include "llvm/Support/ErrorHandling.h"
|
|
#include "llvm/Support/ToolOutputFile.h"
|
|
#include "llvm/Target/TargetMachine.h"
|
|
#include "llvm/Transforms/Scalar/LoopPassManager.h"
|
|
|
|
using namespace llvm;
|
|
using namespace opt_tool;
|
|
|
|
static cl::opt<bool>
|
|
DebugPM("debug-pass-manager", cl::Hidden,
|
|
cl::desc("Print pass management debugging information"));
|
|
|
|
// This flag specifies a textual description of the alias analysis pipeline to
|
|
// use when querying for aliasing information. It only works in concert with
|
|
// the "passes" flag above.
|
|
static cl::opt<std::string>
|
|
AAPipeline("aa-pipeline",
|
|
cl::desc("A textual description of the alias analysis "
|
|
"pipeline for handling managed aliasing queries"),
|
|
cl::Hidden);
|
|
|
|
bool llvm::runPassPipeline(StringRef Arg0, Module &M,
|
|
TargetMachine *TM, tool_output_file *Out,
|
|
StringRef PassPipeline, OutputKind OK,
|
|
VerifierKind VK,
|
|
bool ShouldPreserveAssemblyUseListOrder,
|
|
bool ShouldPreserveBitcodeUseListOrder,
|
|
bool EmitSummaryIndex, bool EmitModuleHash) {
|
|
PassBuilder PB(TM);
|
|
|
|
// Specially handle the alias analysis manager so that we can register
|
|
// a custom pipeline of AA passes with it.
|
|
AAManager AA;
|
|
if (!PB.parseAAPipeline(AA, AAPipeline)) {
|
|
errs() << Arg0 << ": unable to parse AA pipeline description.\n";
|
|
return false;
|
|
}
|
|
|
|
LoopAnalysisManager LAM(DebugPM);
|
|
FunctionAnalysisManager FAM(DebugPM);
|
|
CGSCCAnalysisManager CGAM(DebugPM);
|
|
ModuleAnalysisManager MAM(DebugPM);
|
|
|
|
// Register the AA manager first so that our version is the one used.
|
|
FAM.registerPass([&] { return std::move(AA); });
|
|
|
|
// Register all the basic analyses with the managers.
|
|
PB.registerModuleAnalyses(MAM);
|
|
PB.registerCGSCCAnalyses(CGAM);
|
|
PB.registerFunctionAnalyses(FAM);
|
|
PB.registerLoopAnalyses(LAM);
|
|
PB.crossRegisterProxies(LAM, FAM, CGAM, MAM);
|
|
|
|
ModulePassManager MPM(DebugPM);
|
|
if (VK > VK_NoVerifier)
|
|
MPM.addPass(VerifierPass());
|
|
|
|
if (!PB.parsePassPipeline(MPM, PassPipeline, VK == VK_VerifyEachPass,
|
|
DebugPM)) {
|
|
errs() << Arg0 << ": unable to parse pass pipeline description.\n";
|
|
return false;
|
|
}
|
|
|
|
if (VK > VK_NoVerifier)
|
|
MPM.addPass(VerifierPass());
|
|
|
|
// Add any relevant output pass at the end of the pipeline.
|
|
switch (OK) {
|
|
case OK_NoOutput:
|
|
break; // No output pass needed.
|
|
case OK_OutputAssembly:
|
|
MPM.addPass(
|
|
PrintModulePass(Out->os(), "", ShouldPreserveAssemblyUseListOrder));
|
|
break;
|
|
case OK_OutputBitcode:
|
|
MPM.addPass(BitcodeWriterPass(Out->os(), ShouldPreserveBitcodeUseListOrder,
|
|
EmitSummaryIndex, EmitModuleHash));
|
|
break;
|
|
}
|
|
|
|
// Before executing passes, print the final values of the LLVM options.
|
|
cl::PrintOptionValues();
|
|
|
|
// Now that we have all of the passes ready, run them.
|
|
MPM.run(M, MAM);
|
|
|
|
// Declare success.
|
|
if (OK != OK_NoOutput)
|
|
Out->keep();
|
|
return true;
|
|
}
|