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//===- PassPrinters.cpp - Utilities to print analysis info for 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
//
//===----------------------------------------------------------------------===//
///
/// \file
/// Utilities to print analysis info for various kinds of passes.
///
//===----------------------------------------------------------------------===//
#include "PassPrinters.h"
#include "llvm/Analysis/CallGraph.h"
#include "llvm/Analysis/CallGraphSCCPass.h"
#include "llvm/Analysis/LoopInfo.h"
#include "llvm/Analysis/LoopPass.h"
#include "llvm/Analysis/RegionInfo.h"
#include "llvm/Analysis/RegionPass.h"
#include "llvm/IR/BasicBlock.h"
#include "llvm/IR/Function.h"
#include "llvm/Pass.h"
#include "llvm/Support/raw_ostream.h"
#include <string>
using namespace llvm;
namespace {
struct FunctionPassPrinter : public FunctionPass {
const PassInfo *PassToPrint;
raw_ostream &Out;
static char ID;
std::string PassName;
FunctionPassPrinter(const PassInfo *PI, raw_ostream &out)
: FunctionPass(ID), PassToPrint(PI), Out(out) {
std::string PassToPrintName = std::string(PassToPrint->getPassName());
PassName = "FunctionPass Printer: " + PassToPrintName;
}
bool runOnFunction(Function &F) override {
Out << "Printing analysis '" << PassToPrint->getPassName()
<< "' for function '" << F.getName() << "':\n";
// Get and print pass...
getAnalysisID<Pass>(PassToPrint->getTypeInfo()).print(Out, F.getParent());
return false;
}
StringRef getPassName() const override { return PassName; }
void getAnalysisUsage(AnalysisUsage &AU) const override {
AU.addRequiredID(PassToPrint->getTypeInfo());
AU.setPreservesAll();
}
};
char FunctionPassPrinter::ID = 0;
struct CallGraphSCCPassPrinter : public CallGraphSCCPass {
static char ID;
const PassInfo *PassToPrint;
raw_ostream &Out;
std::string PassName;
CallGraphSCCPassPrinter(const PassInfo *PI, raw_ostream &out)
: CallGraphSCCPass(ID), PassToPrint(PI), Out(out) {
std::string PassToPrintName = std::string(PassToPrint->getPassName());
PassName = "CallGraphSCCPass Printer: " + PassToPrintName;
}
bool runOnSCC(CallGraphSCC &SCC) override {
Out << "Printing analysis '" << PassToPrint->getPassName() << "':\n";
// Get and print pass...
for (CallGraphSCC::iterator I = SCC.begin(), E = SCC.end(); I != E; ++I) {
Function *F = (*I)->getFunction();
if (F)
getAnalysisID<Pass>(PassToPrint->getTypeInfo())
.print(Out, F->getParent());
}
return false;
}
StringRef getPassName() const override { return PassName; }
void getAnalysisUsage(AnalysisUsage &AU) const override {
AU.addRequiredID(PassToPrint->getTypeInfo());
AU.setPreservesAll();
}
};
char CallGraphSCCPassPrinter::ID = 0;
struct ModulePassPrinter : public ModulePass {
static char ID;
const PassInfo *PassToPrint;
raw_ostream &Out;
std::string PassName;
ModulePassPrinter(const PassInfo *PI, raw_ostream &out)
: ModulePass(ID), PassToPrint(PI), Out(out) {
std::string PassToPrintName = std::string(PassToPrint->getPassName());
PassName = "ModulePass Printer: " + PassToPrintName;
}
bool runOnModule(Module &M) override {
Out << "Printing analysis '" << PassToPrint->getPassName() << "':\n";
// Get and print pass...
getAnalysisID<Pass>(PassToPrint->getTypeInfo()).print(Out, &M);
return false;
}
StringRef getPassName() const override { return PassName; }
void getAnalysisUsage(AnalysisUsage &AU) const override {
AU.addRequiredID(PassToPrint->getTypeInfo());
AU.setPreservesAll();
}
};
char ModulePassPrinter::ID = 0;
struct LoopPassPrinter : public LoopPass {
static char ID;
const PassInfo *PassToPrint;
raw_ostream &Out;
std::string PassName;
LoopPassPrinter(const PassInfo *PI, raw_ostream &out)
: LoopPass(ID), PassToPrint(PI), Out(out) {
std::string PassToPrintName = std::string(PassToPrint->getPassName());
PassName = "LoopPass Printer: " + PassToPrintName;
}
bool runOnLoop(Loop *L, LPPassManager &LPM) override {
Out << "Printing analysis '" << PassToPrint->getPassName() << "':\n";
// Get and print pass...
getAnalysisID<Pass>(PassToPrint->getTypeInfo())
.print(Out, L->getHeader()->getParent()->getParent());
return false;
}
StringRef getPassName() const override { return PassName; }
void getAnalysisUsage(AnalysisUsage &AU) const override {
AU.addRequiredID(PassToPrint->getTypeInfo());
AU.setPreservesAll();
}
};
char LoopPassPrinter::ID = 0;
struct RegionPassPrinter : public RegionPass {
static char ID;
const PassInfo *PassToPrint;
raw_ostream &Out;
std::string PassName;
RegionPassPrinter(const PassInfo *PI, raw_ostream &out)
: RegionPass(ID), PassToPrint(PI), Out(out) {
std::string PassToPrintName = std::string(PassToPrint->getPassName());
PassName = "RegionPass Printer: " + PassToPrintName;
}
bool runOnRegion(Region *R, RGPassManager &RGM) override {
Out << "Printing analysis '" << PassToPrint->getPassName() << "' for "
<< "region: '" << R->getNameStr() << "' in function '"
<< R->getEntry()->getParent()->getName() << "':\n";
// Get and print pass...
getAnalysisID<Pass>(PassToPrint->getTypeInfo())
.print(Out, R->getEntry()->getParent()->getParent());
return false;
}
StringRef getPassName() const override { return PassName; }
void getAnalysisUsage(AnalysisUsage &AU) const override {
AU.addRequiredID(PassToPrint->getTypeInfo());
AU.setPreservesAll();
}
};
char RegionPassPrinter::ID = 0;
} // end anonymous namespace
FunctionPass *llvm::createFunctionPassPrinter(const PassInfo *PI,
raw_ostream &OS) {
return new FunctionPassPrinter(PI, OS);
}
CallGraphSCCPass *llvm::createCallGraphPassPrinter(const PassInfo *PI,
raw_ostream &OS) {
return new CallGraphSCCPassPrinter(PI, OS);
}
ModulePass *llvm::createModulePassPrinter(const PassInfo *PI, raw_ostream &OS) {
return new ModulePassPrinter(PI, OS);
}
LoopPass *llvm::createLoopPassPrinter(const PassInfo *PI, raw_ostream &OS) {
return new LoopPassPrinter(PI, OS);
}
RegionPass *llvm::createRegionPassPrinter(const PassInfo *PI, raw_ostream &OS) {
return new RegionPassPrinter(PI, OS);
}
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