//
// 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 file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
//
//===----------------------------------------------------------------------===//
#include "BugDriver.h"
+#include "ToolRunner.h"
#include "llvm/Linker.h"
#include "llvm/Module.h"
#include "llvm/Pass.h"
#include "llvm/Assembly/Parser.h"
-#include "llvm/Bytecode/Reader.h"
-#include "llvm/Support/ToolRunner.h"
+#include "llvm/Bitcode/ReaderWriter.h"
#include "llvm/Support/CommandLine.h"
#include "llvm/Support/FileUtilities.h"
+#include "llvm/Support/MemoryBuffer.h"
#include <iostream>
#include <memory>
-
using namespace llvm;
// Anonymous namespace to define command line options for debugging.
return Result;
}
-BugDriver::BugDriver(const char *toolname, bool as_child)
+BugDriver::BugDriver(const char *toolname, bool as_child, bool find_bugs,
+ unsigned timeout, unsigned memlimit)
: ToolName(toolname), ReferenceOutputFile(OutputFile),
- Program(0), Interpreter(0), cbe(0), gcc(0), run_as_child(as_child) {}
+ Program(0), Interpreter(0), cbe(0), gcc(0), run_as_child(as_child),
+ run_find_bugs(find_bugs), Timeout(timeout), MemoryLimit(memlimit) {}
-/// ParseInputFile - Given a bytecode or assembly input filename, parse and
+/// ParseInputFile - Given a bitcode or assembly input filename, parse and
/// return it, or return null if not possible.
///
-Module *llvm::ParseInputFile(const std::string &InputFilename) {
+Module *llvm::ParseInputFile(const std::string &Filename) {
+ std::auto_ptr<MemoryBuffer> Buffer(MemoryBuffer::getFileOrSTDIN(Filename));
Module *Result = 0;
- try {
- Result = ParseBytecodeFile(InputFilename);
- if (!Result && !(Result = ParseAssemblyFile(InputFilename))){
- std::cerr << "bugpoint: could not read input file '"
- << InputFilename << "'!\n";
- }
- } catch (const ParseException &E) {
- std::cerr << "bugpoint: " << E.getMessage() << '\n';
+ if (Buffer.get())
+ Result = ParseBitcodeFile(Buffer.get());
+
+ ParseError Err;
+ if (!Result && !(Result = ParseAssemblyFile(Filename, &Err))) {
+ std::cerr << "bugpoint: " << Err.getMessage() << "\n";
Result = 0;
}
+
return Result;
}
// This method takes the specified list of LLVM input files, attempts to load
-// them, either as assembly or bytecode, then link them together. It returns
-// true on failure (if, for example, an input bytecode file could not be
+// them, either as assembly or bitcode, then link them together. It returns
+// true on failure (if, for example, an input bitcode file could not be
// parsed), and false on success.
//
bool BugDriver::addSources(const std::vector<std::string> &Filenames) {
// Load the first input file.
Program = ParseInputFile(Filenames[0]);
if (Program == 0) return true;
+
if (!run_as_child)
std::cout << "Read input file : '" << Filenames[0] << "'\n";
// Execute the passes
return runPassesAsChild(PassesToRun);
}
+
+ if (run_find_bugs) {
+ // Rearrange the passes and apply them to the program. Repeat this process
+ // until the user kills the program or we find a bug.
+ return runManyPasses(PassesToRun);
+ }
// If we're not running as a child, the first thing that we must do is
// determine what the problem is. Does the optimization series crash the
// compiler, or does it produce illegal code? We make the top-level
// decision by trying to run all of the passes on the the input program,
- // which should generate a bytecode file. If it does generate a bytecode
+ // which should generate a bitcode file. If it does generate a bitcode
// file, then we know the compiler didn't crash, so try to diagnose a
// miscompilation.
if (!PassesToRun.empty()) {
return debugOptimizerCrash();
}
- // Set up the execution environment, selecting a method to run LLVM bytecode.
+ // Set up the execution environment, selecting a method to run LLVM bitcode.
if (initializeExecutionEnvironment()) return true;
// Test to see if we have a code generator crash.
bool CreatedOutput = false;
if (ReferenceOutputFile.empty()) {
std::cout << "Generating reference output from raw program: ";
- try {
- ReferenceOutputFile = executeProgramWithCBE("bugpoint.reference.out");
- CreatedOutput = true;
- std::cout << "Reference output is: " << ReferenceOutputFile << '\n';
- } catch (ToolExecutionError &TEE) {
- std::cerr << TEE.what();
- if (Interpreter != cbe) {
- std::cerr << "*** There is a bug running the C backend. Either debug"
- << " it (use the -run-cbe bugpoint option), or fix the error"
- << " some other way.\n";
- return 1;
- }
+ if(!createReferenceFile(Program)){
return debugCodeGeneratorCrash();
}
+ CreatedOutput = true;
}
// Make sure the reference output file gets deleted on exit from this
FileRemover RemoverInstance(ROF, CreatedOutput);
// Diff the output of the raw program against the reference output. If it
- // matches, then we have a miscompilation bug.
+ // matches, then we assume there is a miscompilation bug and try to
+ // diagnose it.
std::cout << "*** Checking the code generator...\n";
try {
if (!diffProgram()) {
std::cout << "... <" << Funcs.size() << " total>";
std::cout << std::flush;
}
+
+void llvm::PrintGlobalVariableList(const std::vector<GlobalVariable*> &GVs) {
+ unsigned NumPrint = GVs.size();
+ if (NumPrint > 10) NumPrint = 10;
+ for (unsigned i = 0; i != NumPrint; ++i)
+ std::cout << " " << GVs[i]->getName();
+ if (NumPrint < GVs.size())
+ std::cout << "... <" << GVs.size() << " total>";
+ std::cout << std::flush;
+}
projects / oota-llvm.git / blobdiff