forked from OSchip/llvm-project
140 lines
4.4 KiB
C++
140 lines
4.4 KiB
C++
//===--- IRPrintingPasses.cpp - Module and Function printing passes -------===//
|
|
//
|
|
// 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
|
|
//
|
|
//===----------------------------------------------------------------------===//
|
|
//
|
|
// PrintModulePass and PrintFunctionPass implementations.
|
|
//
|
|
//===----------------------------------------------------------------------===//
|
|
|
|
#include "llvm/IR/IRPrintingPasses.h"
|
|
#include "llvm/ADT/StringRef.h"
|
|
#include "llvm/IR/Function.h"
|
|
#include "llvm/IR/Module.h"
|
|
#include "llvm/InitializePasses.h"
|
|
#include "llvm/Pass.h"
|
|
#include "llvm/Support/Debug.h"
|
|
#include "llvm/Support/raw_ostream.h"
|
|
|
|
using namespace llvm;
|
|
|
|
PrintModulePass::PrintModulePass() : OS(dbgs()) {}
|
|
PrintModulePass::PrintModulePass(raw_ostream &OS, const std::string &Banner,
|
|
bool ShouldPreserveUseListOrder)
|
|
: OS(OS), Banner(Banner),
|
|
ShouldPreserveUseListOrder(ShouldPreserveUseListOrder) {}
|
|
|
|
PreservedAnalyses PrintModulePass::run(Module &M, ModuleAnalysisManager &) {
|
|
if (llvm::isFunctionInPrintList("*")) {
|
|
if (!Banner.empty())
|
|
OS << Banner << "\n";
|
|
M.print(OS, nullptr, ShouldPreserveUseListOrder);
|
|
}
|
|
else {
|
|
bool BannerPrinted = false;
|
|
for(const auto &F : M.functions()) {
|
|
if (llvm::isFunctionInPrintList(F.getName())) {
|
|
if (!BannerPrinted && !Banner.empty()) {
|
|
OS << Banner << "\n";
|
|
BannerPrinted = true;
|
|
}
|
|
F.print(OS);
|
|
}
|
|
}
|
|
}
|
|
return PreservedAnalyses::all();
|
|
}
|
|
|
|
PrintFunctionPass::PrintFunctionPass() : OS(dbgs()) {}
|
|
PrintFunctionPass::PrintFunctionPass(raw_ostream &OS, const std::string &Banner)
|
|
: OS(OS), Banner(Banner) {}
|
|
|
|
PreservedAnalyses PrintFunctionPass::run(Function &F,
|
|
FunctionAnalysisManager &) {
|
|
if (isFunctionInPrintList(F.getName())) {
|
|
if (forcePrintModuleIR())
|
|
OS << Banner << " (function: " << F.getName() << ")\n" << *F.getParent();
|
|
else
|
|
OS << Banner << '\n' << static_cast<Value &>(F);
|
|
}
|
|
return PreservedAnalyses::all();
|
|
}
|
|
|
|
namespace {
|
|
|
|
class PrintModulePassWrapper : public ModulePass {
|
|
PrintModulePass P;
|
|
|
|
public:
|
|
static char ID;
|
|
PrintModulePassWrapper() : ModulePass(ID) {}
|
|
PrintModulePassWrapper(raw_ostream &OS, const std::string &Banner,
|
|
bool ShouldPreserveUseListOrder)
|
|
: ModulePass(ID), P(OS, Banner, ShouldPreserveUseListOrder) {}
|
|
|
|
bool runOnModule(Module &M) override {
|
|
ModuleAnalysisManager DummyMAM;
|
|
P.run(M, DummyMAM);
|
|
return false;
|
|
}
|
|
|
|
void getAnalysisUsage(AnalysisUsage &AU) const override {
|
|
AU.setPreservesAll();
|
|
}
|
|
|
|
StringRef getPassName() const override { return "Print Module IR"; }
|
|
};
|
|
|
|
class PrintFunctionPassWrapper : public FunctionPass {
|
|
PrintFunctionPass P;
|
|
|
|
public:
|
|
static char ID;
|
|
PrintFunctionPassWrapper() : FunctionPass(ID) {}
|
|
PrintFunctionPassWrapper(raw_ostream &OS, const std::string &Banner)
|
|
: FunctionPass(ID), P(OS, Banner) {}
|
|
|
|
// This pass just prints a banner followed by the function as it's processed.
|
|
bool runOnFunction(Function &F) override {
|
|
FunctionAnalysisManager DummyFAM;
|
|
P.run(F, DummyFAM);
|
|
return false;
|
|
}
|
|
|
|
void getAnalysisUsage(AnalysisUsage &AU) const override {
|
|
AU.setPreservesAll();
|
|
}
|
|
|
|
StringRef getPassName() const override { return "Print Function IR"; }
|
|
};
|
|
|
|
}
|
|
|
|
char PrintModulePassWrapper::ID = 0;
|
|
INITIALIZE_PASS(PrintModulePassWrapper, "print-module",
|
|
"Print module to stderr", false, true)
|
|
char PrintFunctionPassWrapper::ID = 0;
|
|
INITIALIZE_PASS(PrintFunctionPassWrapper, "print-function",
|
|
"Print function to stderr", false, true)
|
|
|
|
ModulePass *llvm::createPrintModulePass(llvm::raw_ostream &OS,
|
|
const std::string &Banner,
|
|
bool ShouldPreserveUseListOrder) {
|
|
return new PrintModulePassWrapper(OS, Banner, ShouldPreserveUseListOrder);
|
|
}
|
|
|
|
FunctionPass *llvm::createPrintFunctionPass(llvm::raw_ostream &OS,
|
|
const std::string &Banner) {
|
|
return new PrintFunctionPassWrapper(OS, Banner);
|
|
}
|
|
|
|
bool llvm::isIRPrintingPass(Pass *P) {
|
|
const char *PID = (const char*)P->getPassID();
|
|
|
|
return (PID == &PrintModulePassWrapper::ID) ||
|
|
(PID == &PrintFunctionPassWrapper::ID);
|
|
}
|