ExecutionDriver.cpp revision b687d82b029ba448b978e2c9ed424ee5d1f9f093
14a10645c70199c8d8567fbc46312158c419720abChris Lattner//===- ExecutionDriver.cpp - Allow execution of LLVM program --------------===// 27c0e022c5c4be4b11e199a53f73bbdd84e34aa80John Criswell// 37c0e022c5c4be4b11e199a53f73bbdd84e34aa80John Criswell// The LLVM Compiler Infrastructure 47c0e022c5c4be4b11e199a53f73bbdd84e34aa80John Criswell// 57c0e022c5c4be4b11e199a53f73bbdd84e34aa80John Criswell// This file was developed by the LLVM research group and is distributed under 67c0e022c5c4be4b11e199a53f73bbdd84e34aa80John Criswell// the University of Illinois Open Source License. See LICENSE.TXT for details. 77c0e022c5c4be4b11e199a53f73bbdd84e34aa80John Criswell// 87c0e022c5c4be4b11e199a53f73bbdd84e34aa80John Criswell//===----------------------------------------------------------------------===// 94a10645c70199c8d8567fbc46312158c419720abChris Lattner// 104a10645c70199c8d8567fbc46312158c419720abChris Lattner// This file contains code used to execute the program utilizing one of the 114a10645c70199c8d8567fbc46312158c419720abChris Lattner// various ways of running LLVM bytecode. 124a10645c70199c8d8567fbc46312158c419720abChris Lattner// 134a10645c70199c8d8567fbc46312158c419720abChris Lattner//===----------------------------------------------------------------------===// 144a10645c70199c8d8567fbc46312158c419720abChris Lattner 154a10645c70199c8d8567fbc46312158c419720abChris Lattner/* 164a10645c70199c8d8567fbc46312158c419720abChris LattnerBUGPOINT NOTES: 174a10645c70199c8d8567fbc46312158c419720abChris Lattner 184a10645c70199c8d8567fbc46312158c419720abChris Lattner1. Bugpoint should not leave any files behind if the program works properly 194a10645c70199c8d8567fbc46312158c419720abChris Lattner2. There should be an option to specify the program name, which specifies a 204a10645c70199c8d8567fbc46312158c419720abChris Lattner unique string to put into output files. This allows operation in the 215073336cd4da5df4ae13a167582d1dc90f32e4e0Misha Brukman SingleSource directory, e.g. default to the first input filename. 224a10645c70199c8d8567fbc46312158c419720abChris Lattner*/ 234a10645c70199c8d8567fbc46312158c419720abChris Lattner 244a10645c70199c8d8567fbc46312158c419720abChris Lattner#include "BugDriver.h" 25b687d82b029ba448b978e2c9ed424ee5d1f9f093Misha Brukman#include "llvm/Support/ToolRunner.h" 264a10645c70199c8d8567fbc46312158c419720abChris Lattner#include "Support/CommandLine.h" 27c648dabf65c67d20c208ed0b39b9622387e636c7Chris Lattner#include "Support/Debug.h" 2865f62790d6e3e7f7ceb9cd12a7a51a66d95a3b03Chris Lattner#include "Support/FileUtilities.h" 29e49603d79d220a795bd50684c8b1f503ee40f97fMisha Brukman#include "Support/SystemUtils.h" 304a10645c70199c8d8567fbc46312158c419720abChris Lattner#include <fstream> 31e1b52b765675015eee5ce9efdb1b81c6c3eaefb1Chris Lattner#include <iostream> 32d0fde30ce850b78371fd1386338350591f9ff494Brian Gaekeusing namespace llvm; 33d0fde30ce850b78371fd1386338350591f9ff494Brian Gaeke 344a10645c70199c8d8567fbc46312158c419720abChris Lattnernamespace { 354a10645c70199c8d8567fbc46312158c419720abChris Lattner // OutputType - Allow the user to specify the way code should be run, to test 364a10645c70199c8d8567fbc46312158c419720abChris Lattner // for miscompilation. 374a10645c70199c8d8567fbc46312158c419720abChris Lattner // 384a10645c70199c8d8567fbc46312158c419720abChris Lattner enum OutputType { 39b5ee509be2ce78badc11fd649dda90ec78394d1aBrian Gaeke AutoPick, RunLLI, RunJIT, RunLLC, RunCBE 404a10645c70199c8d8567fbc46312158c419720abChris Lattner }; 414148556a9c767fdf3047ae8e004a759356b893ddMisha Brukman 424a10645c70199c8d8567fbc46312158c419720abChris Lattner cl::opt<OutputType> 434a10645c70199c8d8567fbc46312158c419720abChris Lattner InterpreterSel(cl::desc("Specify how LLVM code should be executed:"), 44b5ee509be2ce78badc11fd649dda90ec78394d1aBrian Gaeke cl::values(clEnumValN(AutoPick, "auto", "Use best guess"), 45b687d82b029ba448b978e2c9ed424ee5d1f9f093Misha Brukman clEnumValN(RunLLI, "run-int", 46b687d82b029ba448b978e2c9ed424ee5d1f9f093Misha Brukman "Execute with the interpreter"), 475073336cd4da5df4ae13a167582d1dc90f32e4e0Misha Brukman clEnumValN(RunJIT, "run-jit", "Execute with JIT"), 485073336cd4da5df4ae13a167582d1dc90f32e4e0Misha Brukman clEnumValN(RunLLC, "run-llc", "Compile with LLC"), 495073336cd4da5df4ae13a167582d1dc90f32e4e0Misha Brukman clEnumValN(RunCBE, "run-cbe", "Compile with CBE"), 5025d66473c620b6b01e301b9cfabdbedace96608eChris Lattner 0), 51b5ee509be2ce78badc11fd649dda90ec78394d1aBrian Gaeke cl::init(AutoPick)); 523c053a0a98e19f5ac8905011ad4c8238b08d6aeaChris Lattner 53c5cad211d6ec50fe90a0a716dee701c6c4721385Brian Gaeke cl::opt<bool> 54c5cad211d6ec50fe90a0a716dee701c6c4721385Brian Gaeke CheckProgramExitCode("check-exit-code", 55c5cad211d6ec50fe90a0a716dee701c6c4721385Brian Gaeke cl::desc("Assume nonzero exit code is failure (default on)"), 56c5cad211d6ec50fe90a0a716dee701c6c4721385Brian Gaeke cl::init(true)); 57c5cad211d6ec50fe90a0a716dee701c6c4721385Brian Gaeke 583c053a0a98e19f5ac8905011ad4c8238b08d6aeaChris Lattner cl::opt<std::string> 593c053a0a98e19f5ac8905011ad4c8238b08d6aeaChris Lattner InputFile("input", cl::init("/dev/null"), 603c053a0a98e19f5ac8905011ad4c8238b08d6aeaChris Lattner cl::desc("Filename to pipe in as stdin (default: /dev/null)")); 617dac658792425c10274594782d6fcf10208a16f0Chris Lattner 627dac658792425c10274594782d6fcf10208a16f0Chris Lattner cl::list<std::string> 637dac658792425c10274594782d6fcf10208a16f0Chris Lattner AdditionalSOs("additional-so", 647dac658792425c10274594782d6fcf10208a16f0Chris Lattner cl::desc("Additional shared objects to load " 657dac658792425c10274594782d6fcf10208a16f0Chris Lattner "into executing programs")); 664a10645c70199c8d8567fbc46312158c419720abChris Lattner} 674a10645c70199c8d8567fbc46312158c419720abChris Lattner 68d0fde30ce850b78371fd1386338350591f9ff494Brian Gaekenamespace llvm { 69fa76183e8e28985dfd17b1d6291c939dab4cbe1dChris Lattner // Anything specified after the --args option are taken as arguments to the 70fa76183e8e28985dfd17b1d6291c939dab4cbe1dChris Lattner // program being debugged. 71fa76183e8e28985dfd17b1d6291c939dab4cbe1dChris Lattner cl::list<std::string> 72fa76183e8e28985dfd17b1d6291c939dab4cbe1dChris Lattner InputArgv("args", cl::Positional, cl::desc("<program arguments>..."), 73fa76183e8e28985dfd17b1d6291c939dab4cbe1dChris Lattner cl::ZeroOrMore); 74fa76183e8e28985dfd17b1d6291c939dab4cbe1dChris Lattner} 759d679cbc6cb5c7dc8cca87a1e1548c480fb056b8Misha Brukman 764a10645c70199c8d8567fbc46312158c419720abChris Lattner//===----------------------------------------------------------------------===// 774a10645c70199c8d8567fbc46312158c419720abChris Lattner// BugDriver method implementation 784a10645c70199c8d8567fbc46312158c419720abChris Lattner// 794a10645c70199c8d8567fbc46312158c419720abChris Lattner 804a10645c70199c8d8567fbc46312158c419720abChris Lattner/// initializeExecutionEnvironment - This method is used to set up the 814a10645c70199c8d8567fbc46312158c419720abChris Lattner/// environment for executing LLVM programs. 824a10645c70199c8d8567fbc46312158c419720abChris Lattner/// 834a10645c70199c8d8567fbc46312158c419720abChris Lattnerbool BugDriver::initializeExecutionEnvironment() { 844a10645c70199c8d8567fbc46312158c419720abChris Lattner std::cout << "Initializing execution environment: "; 854a10645c70199c8d8567fbc46312158c419720abChris Lattner 864148556a9c767fdf3047ae8e004a759356b893ddMisha Brukman // Create an instance of the AbstractInterpreter interface as specified on 874148556a9c767fdf3047ae8e004a759356b893ddMisha Brukman // the command line 887bb11547e497d7b8fc87f61c1089eee808e3a1eeChris Lattner cbe = 0; 894a10645c70199c8d8567fbc46312158c419720abChris Lattner std::string Message; 90cc876a7421f6dbcca98446058d5f0637092c6e1aChris Lattner switch (InterpreterSel) { 91b5ee509be2ce78badc11fd649dda90ec78394d1aBrian Gaeke case AutoPick: 92b5ee509be2ce78badc11fd649dda90ec78394d1aBrian Gaeke InterpreterSel = RunCBE; 937bb11547e497d7b8fc87f61c1089eee808e3a1eeChris Lattner Interpreter = cbe = AbstractInterpreter::createCBE(getToolName(), Message); 94b5ee509be2ce78badc11fd649dda90ec78394d1aBrian Gaeke if (!Interpreter) { 95b5ee509be2ce78badc11fd649dda90ec78394d1aBrian Gaeke InterpreterSel = RunJIT; 96b5ee509be2ce78badc11fd649dda90ec78394d1aBrian Gaeke Interpreter = AbstractInterpreter::createJIT(getToolName(), Message); 97b5ee509be2ce78badc11fd649dda90ec78394d1aBrian Gaeke } 98b5ee509be2ce78badc11fd649dda90ec78394d1aBrian Gaeke if (!Interpreter) { 99b5ee509be2ce78badc11fd649dda90ec78394d1aBrian Gaeke InterpreterSel = RunLLC; 100b5ee509be2ce78badc11fd649dda90ec78394d1aBrian Gaeke Interpreter = AbstractInterpreter::createLLC(getToolName(), Message); 101b5ee509be2ce78badc11fd649dda90ec78394d1aBrian Gaeke } 102b5ee509be2ce78badc11fd649dda90ec78394d1aBrian Gaeke if (!Interpreter) { 103b5ee509be2ce78badc11fd649dda90ec78394d1aBrian Gaeke InterpreterSel = RunLLI; 104b5ee509be2ce78badc11fd649dda90ec78394d1aBrian Gaeke Interpreter = AbstractInterpreter::createLLI(getToolName(), Message); 105b5ee509be2ce78badc11fd649dda90ec78394d1aBrian Gaeke } 106b5ee509be2ce78badc11fd649dda90ec78394d1aBrian Gaeke if (!Interpreter) { 107b5ee509be2ce78badc11fd649dda90ec78394d1aBrian Gaeke InterpreterSel = AutoPick; 108b5ee509be2ce78badc11fd649dda90ec78394d1aBrian Gaeke Message = "Sorry, I can't automatically select an interpreter!\n"; 109b5ee509be2ce78badc11fd649dda90ec78394d1aBrian Gaeke } 110b5ee509be2ce78badc11fd649dda90ec78394d1aBrian Gaeke break; 111769f1fe6728ffb5627ae0cedc392576d6e701a5aChris Lattner case RunLLI: 112769f1fe6728ffb5627ae0cedc392576d6e701a5aChris Lattner Interpreter = AbstractInterpreter::createLLI(getToolName(), Message); 113769f1fe6728ffb5627ae0cedc392576d6e701a5aChris Lattner break; 114769f1fe6728ffb5627ae0cedc392576d6e701a5aChris Lattner case RunLLC: 115769f1fe6728ffb5627ae0cedc392576d6e701a5aChris Lattner Interpreter = AbstractInterpreter::createLLC(getToolName(), Message); 116769f1fe6728ffb5627ae0cedc392576d6e701a5aChris Lattner break; 117769f1fe6728ffb5627ae0cedc392576d6e701a5aChris Lattner case RunJIT: 118769f1fe6728ffb5627ae0cedc392576d6e701a5aChris Lattner Interpreter = AbstractInterpreter::createJIT(getToolName(), Message); 119769f1fe6728ffb5627ae0cedc392576d6e701a5aChris Lattner break; 120769f1fe6728ffb5627ae0cedc392576d6e701a5aChris Lattner case RunCBE: 1217bb11547e497d7b8fc87f61c1089eee808e3a1eeChris Lattner Interpreter = cbe = AbstractInterpreter::createCBE(getToolName(), Message); 122769f1fe6728ffb5627ae0cedc392576d6e701a5aChris Lattner break; 123cc876a7421f6dbcca98446058d5f0637092c6e1aChris Lattner default: 1244148556a9c767fdf3047ae8e004a759356b893ddMisha Brukman Message = "Sorry, this back-end is not supported by bugpoint right now!\n"; 125cc876a7421f6dbcca98446058d5f0637092c6e1aChris Lattner break; 1264a10645c70199c8d8567fbc46312158c419720abChris Lattner } 1274148556a9c767fdf3047ae8e004a759356b893ddMisha Brukman std::cerr << Message; 1284a10645c70199c8d8567fbc46312158c419720abChris Lattner 129a259c9be2acc9528ec7feb3cfd51dcde36d87bb3Misha Brukman // Initialize auxiliary tools for debugging 1307bb11547e497d7b8fc87f61c1089eee808e3a1eeChris Lattner if (!cbe) { 1317bb11547e497d7b8fc87f61c1089eee808e3a1eeChris Lattner cbe = AbstractInterpreter::createCBE(getToolName(), Message); 1327bb11547e497d7b8fc87f61c1089eee808e3a1eeChris Lattner if (!cbe) { std::cout << Message << "\nExiting.\n"; exit(1); } 1337bb11547e497d7b8fc87f61c1089eee808e3a1eeChris Lattner } 134769f1fe6728ffb5627ae0cedc392576d6e701a5aChris Lattner gcc = GCC::create(getToolName(), Message); 135a259c9be2acc9528ec7feb3cfd51dcde36d87bb3Misha Brukman if (!gcc) { std::cout << Message << "\nExiting.\n"; exit(1); } 136a259c9be2acc9528ec7feb3cfd51dcde36d87bb3Misha Brukman 1374a10645c70199c8d8567fbc46312158c419720abChris Lattner // If there was an error creating the selected interpreter, quit with error. 1384a10645c70199c8d8567fbc46312158c419720abChris Lattner return Interpreter == 0; 1394a10645c70199c8d8567fbc46312158c419720abChris Lattner} 1404a10645c70199c8d8567fbc46312158c419720abChris Lattner 141ea9212ca964ff6587227016f86a44160e586a4c8Chris Lattner/// compileProgram - Try to compile the specified module, throwing an exception 142ea9212ca964ff6587227016f86a44160e586a4c8Chris Lattner/// if an error occurs, or returning normally if not. This is used for code 143ea9212ca964ff6587227016f86a44160e586a4c8Chris Lattner/// generation crash testing. 144ea9212ca964ff6587227016f86a44160e586a4c8Chris Lattner/// 145ea9212ca964ff6587227016f86a44160e586a4c8Chris Lattnervoid BugDriver::compileProgram(Module *M) { 146ea9212ca964ff6587227016f86a44160e586a4c8Chris Lattner // Emit the program to a bytecode file... 147ea9212ca964ff6587227016f86a44160e586a4c8Chris Lattner std::string BytecodeFile = getUniqueFilename("bugpoint-test-program.bc"); 148ea9212ca964ff6587227016f86a44160e586a4c8Chris Lattner if (writeProgramToFile(BytecodeFile, M)) { 149ea9212ca964ff6587227016f86a44160e586a4c8Chris Lattner std::cerr << ToolName << ": Error emitting bytecode to file '" 150ea9212ca964ff6587227016f86a44160e586a4c8Chris Lattner << BytecodeFile << "'!\n"; 151ea9212ca964ff6587227016f86a44160e586a4c8Chris Lattner exit(1); 152ea9212ca964ff6587227016f86a44160e586a4c8Chris Lattner } 153ea9212ca964ff6587227016f86a44160e586a4c8Chris Lattner 154ea9212ca964ff6587227016f86a44160e586a4c8Chris Lattner // Remove the temporary bytecode file when we are done. 155ea9212ca964ff6587227016f86a44160e586a4c8Chris Lattner FileRemover BytecodeFileRemover(BytecodeFile); 156ea9212ca964ff6587227016f86a44160e586a4c8Chris Lattner 157ea9212ca964ff6587227016f86a44160e586a4c8Chris Lattner // Actually compile the program! 158ea9212ca964ff6587227016f86a44160e586a4c8Chris Lattner Interpreter->compileProgram(BytecodeFile); 159ea9212ca964ff6587227016f86a44160e586a4c8Chris Lattner} 160ea9212ca964ff6587227016f86a44160e586a4c8Chris Lattner 1614a10645c70199c8d8567fbc46312158c419720abChris Lattner 1624a10645c70199c8d8567fbc46312158c419720abChris Lattner/// executeProgram - This method runs "Program", capturing the output of the 1634a10645c70199c8d8567fbc46312158c419720abChris Lattner/// program to a file, returning the filename of the file. A recommended 1644a10645c70199c8d8567fbc46312158c419720abChris Lattner/// filename may be optionally specified. 1654a10645c70199c8d8567fbc46312158c419720abChris Lattner/// 1664a10645c70199c8d8567fbc46312158c419720abChris Lattnerstd::string BugDriver::executeProgram(std::string OutputFile, 1675073336cd4da5df4ae13a167582d1dc90f32e4e0Misha Brukman std::string BytecodeFile, 168769f1fe6728ffb5627ae0cedc392576d6e701a5aChris Lattner const std::string &SharedObj, 169c5cad211d6ec50fe90a0a716dee701c6c4721385Brian Gaeke AbstractInterpreter *AI, 170c5cad211d6ec50fe90a0a716dee701c6c4721385Brian Gaeke bool *ProgramExitedNonzero) { 171769f1fe6728ffb5627ae0cedc392576d6e701a5aChris Lattner if (AI == 0) AI = Interpreter; 172769f1fe6728ffb5627ae0cedc392576d6e701a5aChris Lattner assert(AI && "Interpreter should have been created already!"); 1734a10645c70199c8d8567fbc46312158c419720abChris Lattner bool CreatedBytecode = false; 1744a10645c70199c8d8567fbc46312158c419720abChris Lattner if (BytecodeFile.empty()) { 1754a10645c70199c8d8567fbc46312158c419720abChris Lattner // Emit the program to a bytecode file... 1764a10645c70199c8d8567fbc46312158c419720abChris Lattner BytecodeFile = getUniqueFilename("bugpoint-test-program.bc"); 1774a10645c70199c8d8567fbc46312158c419720abChris Lattner 1784a10645c70199c8d8567fbc46312158c419720abChris Lattner if (writeProgramToFile(BytecodeFile, Program)) { 1794a10645c70199c8d8567fbc46312158c419720abChris Lattner std::cerr << ToolName << ": Error emitting bytecode to file '" 1805073336cd4da5df4ae13a167582d1dc90f32e4e0Misha Brukman << BytecodeFile << "'!\n"; 1814a10645c70199c8d8567fbc46312158c419720abChris Lattner exit(1); 1824a10645c70199c8d8567fbc46312158c419720abChris Lattner } 1834a10645c70199c8d8567fbc46312158c419720abChris Lattner CreatedBytecode = true; 1844a10645c70199c8d8567fbc46312158c419720abChris Lattner } 1854a10645c70199c8d8567fbc46312158c419720abChris Lattner 1869709272675feaca030cce14d0f5eb7f342b3fc1dChris Lattner // Remove the temporary bytecode file when we are done. 1879709272675feaca030cce14d0f5eb7f342b3fc1dChris Lattner FileRemover BytecodeFileRemover(BytecodeFile, CreatedBytecode); 1889709272675feaca030cce14d0f5eb7f342b3fc1dChris Lattner 1894a10645c70199c8d8567fbc46312158c419720abChris Lattner if (OutputFile.empty()) OutputFile = "bugpoint-execution-output"; 1905073336cd4da5df4ae13a167582d1dc90f32e4e0Misha Brukman 1914a10645c70199c8d8567fbc46312158c419720abChris Lattner // Check to see if this is a valid output filename... 1924a10645c70199c8d8567fbc46312158c419720abChris Lattner OutputFile = getUniqueFilename(OutputFile); 1934a10645c70199c8d8567fbc46312158c419720abChris Lattner 194769f1fe6728ffb5627ae0cedc392576d6e701a5aChris Lattner // Figure out which shared objects to run, if any. 1957dac658792425c10274594782d6fcf10208a16f0Chris Lattner std::vector<std::string> SharedObjs(AdditionalSOs); 196769f1fe6728ffb5627ae0cedc392576d6e701a5aChris Lattner if (!SharedObj.empty()) 197769f1fe6728ffb5627ae0cedc392576d6e701a5aChris Lattner SharedObjs.push_back(SharedObj); 198769f1fe6728ffb5627ae0cedc392576d6e701a5aChris Lattner 1994a10645c70199c8d8567fbc46312158c419720abChris Lattner // Actually execute the program! 200769f1fe6728ffb5627ae0cedc392576d6e701a5aChris Lattner int RetVal = AI->ExecuteProgram(BytecodeFile, InputArgv, InputFile, 201769f1fe6728ffb5627ae0cedc392576d6e701a5aChris Lattner OutputFile, SharedObjs); 202769f1fe6728ffb5627ae0cedc392576d6e701a5aChris Lattner 203c5cad211d6ec50fe90a0a716dee701c6c4721385Brian Gaeke if (ProgramExitedNonzero != 0) 204c5cad211d6ec50fe90a0a716dee701c6c4721385Brian Gaeke *ProgramExitedNonzero = (RetVal != 0); 2054a10645c70199c8d8567fbc46312158c419720abChris Lattner 2064a10645c70199c8d8567fbc46312158c419720abChris Lattner // Return the filename we captured the output to. 2074a10645c70199c8d8567fbc46312158c419720abChris Lattner return OutputFile; 2084a10645c70199c8d8567fbc46312158c419720abChris Lattner} 2094a10645c70199c8d8567fbc46312158c419720abChris Lattner 210c5cad211d6ec50fe90a0a716dee701c6c4721385Brian Gaeke/// executeProgramWithCBE - Used to create reference output with the C 211c5cad211d6ec50fe90a0a716dee701c6c4721385Brian Gaeke/// backend, if reference output is not provided. 212c5cad211d6ec50fe90a0a716dee701c6c4721385Brian Gaeke/// 213c5cad211d6ec50fe90a0a716dee701c6c4721385Brian Gaekestd::string BugDriver::executeProgramWithCBE(std::string OutputFile) { 214c5cad211d6ec50fe90a0a716dee701c6c4721385Brian Gaeke bool ProgramExitedNonzero; 215c5cad211d6ec50fe90a0a716dee701c6c4721385Brian Gaeke std::string outFN = executeProgram(OutputFile, "", "", 216c5cad211d6ec50fe90a0a716dee701c6c4721385Brian Gaeke (AbstractInterpreter*)cbe, 217c5cad211d6ec50fe90a0a716dee701c6c4721385Brian Gaeke &ProgramExitedNonzero); 218c5cad211d6ec50fe90a0a716dee701c6c4721385Brian Gaeke if (ProgramExitedNonzero) { 219c5cad211d6ec50fe90a0a716dee701c6c4721385Brian Gaeke std::cerr 220c5cad211d6ec50fe90a0a716dee701c6c4721385Brian Gaeke << "Warning: While generating reference output, program exited with\n" 221c5cad211d6ec50fe90a0a716dee701c6c4721385Brian Gaeke << "non-zero exit code. This will NOT be treated as a failure.\n"; 222c5cad211d6ec50fe90a0a716dee701c6c4721385Brian Gaeke CheckProgramExitCode = false; 223c5cad211d6ec50fe90a0a716dee701c6c4721385Brian Gaeke } 224c5cad211d6ec50fe90a0a716dee701c6c4721385Brian Gaeke return outFN; 225c5cad211d6ec50fe90a0a716dee701c6c4721385Brian Gaeke} 2265073336cd4da5df4ae13a167582d1dc90f32e4e0Misha Brukman 227a0f5b15e1eb8642d92b3141a6b88a5729ea979dcChris Lattnerstd::string BugDriver::compileSharedObject(const std::string &BytecodeFile) { 2285073336cd4da5df4ae13a167582d1dc90f32e4e0Misha Brukman assert(Interpreter && "Interpreter should have been created already!"); 229a0f5b15e1eb8642d92b3141a6b88a5729ea979dcChris Lattner std::string OutputCFile; 2305073336cd4da5df4ae13a167582d1dc90f32e4e0Misha Brukman 2315073336cd4da5df4ae13a167582d1dc90f32e4e0Misha Brukman // Using CBE 2325073336cd4da5df4ae13a167582d1dc90f32e4e0Misha Brukman cbe->OutputC(BytecodeFile, OutputCFile); 2335073336cd4da5df4ae13a167582d1dc90f32e4e0Misha Brukman 2345073336cd4da5df4ae13a167582d1dc90f32e4e0Misha Brukman#if 0 /* This is an alternative, as yet unimplemented */ 2355073336cd4da5df4ae13a167582d1dc90f32e4e0Misha Brukman // Using LLC 236a0f5b15e1eb8642d92b3141a6b88a5729ea979dcChris Lattner std::string Message; 2374148556a9c767fdf3047ae8e004a759356b893ddMisha Brukman LLC *llc = createLLCtool(Message); 2385073336cd4da5df4ae13a167582d1dc90f32e4e0Misha Brukman if (llc->OutputAsm(BytecodeFile, OutputFile)) { 2395073336cd4da5df4ae13a167582d1dc90f32e4e0Misha Brukman std::cerr << "Could not generate asm code with `llc', exiting.\n"; 2405073336cd4da5df4ae13a167582d1dc90f32e4e0Misha Brukman exit(1); 2415073336cd4da5df4ae13a167582d1dc90f32e4e0Misha Brukman } 2425073336cd4da5df4ae13a167582d1dc90f32e4e0Misha Brukman#endif 2435073336cd4da5df4ae13a167582d1dc90f32e4e0Misha Brukman 244a0f5b15e1eb8642d92b3141a6b88a5729ea979dcChris Lattner std::string SharedObjectFile; 245769f1fe6728ffb5627ae0cedc392576d6e701a5aChris Lattner if (gcc->MakeSharedObject(OutputCFile, GCC::CFile, SharedObjectFile)) 246a0f5b15e1eb8642d92b3141a6b88a5729ea979dcChris Lattner exit(1); 2475073336cd4da5df4ae13a167582d1dc90f32e4e0Misha Brukman 2485073336cd4da5df4ae13a167582d1dc90f32e4e0Misha Brukman // Remove the intermediate C file 2495073336cd4da5df4ae13a167582d1dc90f32e4e0Misha Brukman removeFile(OutputCFile); 2505073336cd4da5df4ae13a167582d1dc90f32e4e0Misha Brukman 2516ebe44d22f6dd1ab9f7aa1f3cfd02be52145d535Chris Lattner return "./" + SharedObjectFile; 2525073336cd4da5df4ae13a167582d1dc90f32e4e0Misha Brukman} 2535073336cd4da5df4ae13a167582d1dc90f32e4e0Misha Brukman 2545073336cd4da5df4ae13a167582d1dc90f32e4e0Misha Brukman 2554a10645c70199c8d8567fbc46312158c419720abChris Lattner/// diffProgram - This method executes the specified module and diffs the output 2564a10645c70199c8d8567fbc46312158c419720abChris Lattner/// against the file specified by ReferenceOutputFile. If the output is 2574a10645c70199c8d8567fbc46312158c419720abChris Lattner/// different, true is returned. 2584a10645c70199c8d8567fbc46312158c419720abChris Lattner/// 2595073336cd4da5df4ae13a167582d1dc90f32e4e0Misha Brukmanbool BugDriver::diffProgram(const std::string &BytecodeFile, 2605073336cd4da5df4ae13a167582d1dc90f32e4e0Misha Brukman const std::string &SharedObject, 261640f22e66d90439857a97a83896ee68c4f7128c9Chris Lattner bool RemoveBytecode) { 262c5cad211d6ec50fe90a0a716dee701c6c4721385Brian Gaeke bool ProgramExitedNonzero; 263c5cad211d6ec50fe90a0a716dee701c6c4721385Brian Gaeke 2644a10645c70199c8d8567fbc46312158c419720abChris Lattner // Execute the program, generating an output file... 265c5cad211d6ec50fe90a0a716dee701c6c4721385Brian Gaeke std::string Output = executeProgram("", BytecodeFile, SharedObject, 0, 266c5cad211d6ec50fe90a0a716dee701c6c4721385Brian Gaeke &ProgramExitedNonzero); 267c5cad211d6ec50fe90a0a716dee701c6c4721385Brian Gaeke 268c5cad211d6ec50fe90a0a716dee701c6c4721385Brian Gaeke // If we're checking the program exit code, assume anything nonzero is bad. 26958d84ced5f7367335e43ea54e5daf32a4fdaefb6Chris Lattner if (CheckProgramExitCode && ProgramExitedNonzero) { 27058d84ced5f7367335e43ea54e5daf32a4fdaefb6Chris Lattner removeFile(Output); 27158d84ced5f7367335e43ea54e5daf32a4fdaefb6Chris Lattner if (RemoveBytecode) removeFile(BytecodeFile); 272c5cad211d6ec50fe90a0a716dee701c6c4721385Brian Gaeke return true; 27358d84ced5f7367335e43ea54e5daf32a4fdaefb6Chris Lattner } 2744a10645c70199c8d8567fbc46312158c419720abChris Lattner 27565f62790d6e3e7f7ceb9cd12a7a51a66d95a3b03Chris Lattner std::string Error; 2764a10645c70199c8d8567fbc46312158c419720abChris Lattner bool FilesDifferent = false; 27765f62790d6e3e7f7ceb9cd12a7a51a66d95a3b03Chris Lattner if (DiffFiles(ReferenceOutputFile, Output, &Error)) { 27865f62790d6e3e7f7ceb9cd12a7a51a66d95a3b03Chris Lattner if (!Error.empty()) { 27965f62790d6e3e7f7ceb9cd12a7a51a66d95a3b03Chris Lattner std::cerr << "While diffing output: " << Error << "\n"; 28065f62790d6e3e7f7ceb9cd12a7a51a66d95a3b03Chris Lattner exit(1); 28165f62790d6e3e7f7ceb9cd12a7a51a66d95a3b03Chris Lattner } 28265f62790d6e3e7f7ceb9cd12a7a51a66d95a3b03Chris Lattner FilesDifferent = true; 28365f62790d6e3e7f7ceb9cd12a7a51a66d95a3b03Chris Lattner } 2841a28a2b76d16913fe38f47032d31620a55dcce2eChris Lattner 2851a28a2b76d16913fe38f47032d31620a55dcce2eChris Lattner // Remove the generated output. 2861a28a2b76d16913fe38f47032d31620a55dcce2eChris Lattner removeFile(Output); 2874a10645c70199c8d8567fbc46312158c419720abChris Lattner 2881a28a2b76d16913fe38f47032d31620a55dcce2eChris Lattner // Remove the bytecode file if we are supposed to. 289640f22e66d90439857a97a83896ee68c4f7128c9Chris Lattner if (RemoveBytecode) removeFile(BytecodeFile); 2904a10645c70199c8d8567fbc46312158c419720abChris Lattner return FilesDifferent; 2914a10645c70199c8d8567fbc46312158c419720abChris Lattner} 29291eabc13d3a456cc4b387d3d7fdb041d976732c7Misha Brukman 29391eabc13d3a456cc4b387d3d7fdb041d976732c7Misha Brukmanbool BugDriver::isExecutingJIT() { 29491eabc13d3a456cc4b387d3d7fdb041d976732c7Misha Brukman return InterpreterSel == RunJIT; 29591eabc13d3a456cc4b387d3d7fdb041d976732c7Misha Brukman} 296d0fde30ce850b78371fd1386338350591f9ff494Brian Gaeke 297