+++ /dev/null
-//===- analyze.cpp - The LLVM analyze utility -----------------------------===//
-//
-// The LLVM Compiler Infrastructure
-//
-// This file was developed by the LLVM research group and is distributed under
-// the University of Illinois Open Source License. See LICENSE.TXT for details.
-//
-//===----------------------------------------------------------------------===//
-//
-// This utility is designed to print out the results of running various analysis
-// passes on a program. This is useful for understanding a program, or for
-// debugging an analysis pass.
-//
-// analyze --help - Output information about command line switches
-// analyze --quiet - Do not print analysis name before output
-//
-//===----------------------------------------------------------------------===//
-
-#include "llvm/Module.h"
-#include "llvm/PassManager.h"
-#include "llvm/Bytecode/Reader.h"
-#include "llvm/Assembly/Parser.h"
-#include "llvm/Analysis/Verifier.h"
-#include "llvm/Analysis/LinkAllAnalyses.h"
-#include "llvm/Target/TargetData.h"
-#include "llvm/Support/PassNameParser.h"
-#include "llvm/System/Signals.h"
-#include "llvm/Support/PluginLoader.h"
-#include "llvm/Support/Timer.h"
-#include "llvm/LinkAllVMCore.h"
-#include <algorithm>
-
-using namespace llvm;
-
-namespace {
- cl::opt<std::string>
- InputFilename(cl::Positional, cl::desc("<input file>"), cl::init("-"),
- cl::value_desc("filename"));
-
- cl::opt<bool> Quiet("q", cl::desc("Don't print analysis pass names"));
- cl::alias QuietA("quiet", cl::desc("Alias for -q"),
- cl::aliasopt(Quiet));
-
- cl::opt<bool> NoVerify("disable-verify", cl::Hidden,
- cl::desc("Do not verify input module"));
-
- // The AnalysesList is automatically populated with registered Passes by the
- // PassNameParser.
- //
- cl::list<const PassInfo*, bool, FilteredPassNameParser<PassInfo::Analysis> >
- AnalysesList(cl::desc("Analyses available:"));
-
- Timer BytecodeLoadTimer("Bytecode Loader");
-}
-
-struct ModulePassPrinter : public ModulePass {
- const PassInfo *PassToPrint;
- ModulePassPrinter(const PassInfo *PI) : PassToPrint(PI) {}
-
- virtual bool runOnModule(Module &M) {
- if (!Quiet) {
- std::cout << "Printing analysis '" << PassToPrint->getPassName() << "':\n";
- getAnalysisID<Pass>(PassToPrint).print(std::cout, &M);
- }
-
- // Get and print pass...
- return false;
- }
-
- virtual const char *getPassName() const { return "'Pass' Printer"; }
-
- virtual void getAnalysisUsage(AnalysisUsage &AU) const {
- AU.addRequiredID(PassToPrint);
- AU.setPreservesAll();
- }
-};
-
-struct FunctionPassPrinter : public FunctionPass {
- const PassInfo *PassToPrint;
- FunctionPassPrinter(const PassInfo *PI) : PassToPrint(PI) {}
-
- virtual bool runOnFunction(Function &F) {
- if (!Quiet) {
- std::cout << "Printing analysis '" << PassToPrint->getPassName()
- << "' for function '" << F.getName() << "':\n";
- }
- // Get and print pass...
- getAnalysisID<Pass>(PassToPrint).print(std::cout, F.getParent());
- return false;
- }
-
- virtual const char *getPassName() const { return "FunctionPass Printer"; }
-
- virtual void getAnalysisUsage(AnalysisUsage &AU) const {
- AU.addRequiredID(PassToPrint);
- AU.setPreservesAll();
- }
-};
-
-struct BasicBlockPassPrinter : public BasicBlockPass {
- const PassInfo *PassToPrint;
- BasicBlockPassPrinter(const PassInfo *PI) : PassToPrint(PI) {}
-
- virtual bool runOnBasicBlock(BasicBlock &BB) {
- if (!Quiet) {
- std::cout << "Printing Analysis info for BasicBlock '" << BB.getName()
- << "': Pass " << PassToPrint->getPassName() << ":\n";
- }
-
- // Get and print pass...
- getAnalysisID<Pass>(PassToPrint).print(std::cout, BB.getParent()->getParent());
- return false;
- }
-
- virtual const char *getPassName() const { return "BasicBlockPass Printer"; }
-
- virtual void getAnalysisUsage(AnalysisUsage &AU) const {
- AU.addRequiredID(PassToPrint);
- AU.setPreservesAll();
- }
-};
-
-
-
-int main(int argc, char **argv) {
- try {
- cl::ParseCommandLineOptions(argc, argv, " llvm analysis printer tool\n");
- sys::PrintStackTraceOnErrorSignal();
-
- Module *CurMod = 0;
- try {
-#if 0
- TimeRegion RegionTimer(BytecodeLoadTimer);
-#endif
- CurMod = ParseBytecodeFile(InputFilename);
- if (!CurMod && !(CurMod = ParseAssemblyFile(InputFilename))){
- std::cerr << argv[0] << ": input file didn't read correctly.\n";
- return 1;
- }
- } catch (const ParseException &E) {
- std::cerr << argv[0] << ": " << E.getMessage() << "\n";
- return 1;
- }
-
- // Create a PassManager to hold and optimize the collection of passes we are
- // about to build...
- //
- PassManager Passes;
-
- // Add an appropriate TargetData instance for this module...
- Passes.add(new TargetData(CurMod));
-
- // Make sure the input LLVM is well formed.
- if (!NoVerify)
- Passes.add(createVerifierPass());
-
- // Create a new optimization pass for each one specified on the command line
- for (unsigned i = 0; i < AnalysesList.size(); ++i) {
- const PassInfo *Analysis = AnalysesList[i];
-
- if (Analysis->getNormalCtor()) {
- Pass *P = Analysis->getNormalCtor()();
- Passes.add(P);
-
- if (BasicBlockPass *BBP = dynamic_cast<BasicBlockPass*>(P))
- Passes.add(new BasicBlockPassPrinter(Analysis));
- else if (FunctionPass *FP = dynamic_cast<FunctionPass*>(P))
- Passes.add(new FunctionPassPrinter(Analysis));
- else
- Passes.add(new ModulePassPrinter(Analysis));
-
- } else
- std::cerr << argv[0] << ": cannot create pass: "
- << Analysis->getPassName() << "\n";
- }
-
- Passes.run(*CurMod);
-
- delete CurMod;
- return 0;
-
- } catch (const std::string& msg) {
- std::cerr << argv[0] << ": " << msg << "\n";
- } catch (...) {
- std::cerr << argv[0] << ": Unexpected unknown exception occurred.\n";
- }
- return 1;
-}
projects / oota-llvm.git / blobdiff