ExecutionDriver.cpp revision 636df3d7ec51a8c6fd759a98853ff709ae54d64e
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); 74636df3d7ec51a8c6fd759a98853ff709ae54d64eBrian Gaeke 75636df3d7ec51a8c6fd759a98853ff709ae54d64eBrian Gaeke cl::list<std::string> 76636df3d7ec51a8c6fd759a98853ff709ae54d64eBrian Gaeke ToolArgv("tool-args", cl::Positional, cl::desc("<tool arguments>..."), 77636df3d7ec51a8c6fd759a98853ff709ae54d64eBrian Gaeke cl::ZeroOrMore); 78fa76183e8e28985dfd17b1d6291c939dab4cbe1dChris Lattner} 799d679cbc6cb5c7dc8cca87a1e1548c480fb056b8Misha Brukman 804a10645c70199c8d8567fbc46312158c419720abChris Lattner//===----------------------------------------------------------------------===// 814a10645c70199c8d8567fbc46312158c419720abChris Lattner// BugDriver method implementation 824a10645c70199c8d8567fbc46312158c419720abChris Lattner// 834a10645c70199c8d8567fbc46312158c419720abChris Lattner 844a10645c70199c8d8567fbc46312158c419720abChris Lattner/// initializeExecutionEnvironment - This method is used to set up the 854a10645c70199c8d8567fbc46312158c419720abChris Lattner/// environment for executing LLVM programs. 864a10645c70199c8d8567fbc46312158c419720abChris Lattner/// 874a10645c70199c8d8567fbc46312158c419720abChris Lattnerbool BugDriver::initializeExecutionEnvironment() { 884a10645c70199c8d8567fbc46312158c419720abChris Lattner std::cout << "Initializing execution environment: "; 894a10645c70199c8d8567fbc46312158c419720abChris Lattner 904148556a9c767fdf3047ae8e004a759356b893ddMisha Brukman // Create an instance of the AbstractInterpreter interface as specified on 914148556a9c767fdf3047ae8e004a759356b893ddMisha Brukman // the command line 927bb11547e497d7b8fc87f61c1089eee808e3a1eeChris Lattner cbe = 0; 934a10645c70199c8d8567fbc46312158c419720abChris Lattner std::string Message; 94636df3d7ec51a8c6fd759a98853ff709ae54d64eBrian Gaeke 95cc876a7421f6dbcca98446058d5f0637092c6e1aChris Lattner switch (InterpreterSel) { 96b5ee509be2ce78badc11fd649dda90ec78394d1aBrian Gaeke case AutoPick: 97b5ee509be2ce78badc11fd649dda90ec78394d1aBrian Gaeke InterpreterSel = RunCBE; 98636df3d7ec51a8c6fd759a98853ff709ae54d64eBrian Gaeke Interpreter = cbe = AbstractInterpreter::createCBE(getToolName(), Message, 99636df3d7ec51a8c6fd759a98853ff709ae54d64eBrian Gaeke &ToolArgv); 100b5ee509be2ce78badc11fd649dda90ec78394d1aBrian Gaeke if (!Interpreter) { 101b5ee509be2ce78badc11fd649dda90ec78394d1aBrian Gaeke InterpreterSel = RunJIT; 102636df3d7ec51a8c6fd759a98853ff709ae54d64eBrian Gaeke Interpreter = AbstractInterpreter::createJIT(getToolName(), Message, 103636df3d7ec51a8c6fd759a98853ff709ae54d64eBrian Gaeke &ToolArgv); 104b5ee509be2ce78badc11fd649dda90ec78394d1aBrian Gaeke } 105b5ee509be2ce78badc11fd649dda90ec78394d1aBrian Gaeke if (!Interpreter) { 106b5ee509be2ce78badc11fd649dda90ec78394d1aBrian Gaeke InterpreterSel = RunLLC; 107636df3d7ec51a8c6fd759a98853ff709ae54d64eBrian Gaeke Interpreter = AbstractInterpreter::createLLC(getToolName(), Message, 108636df3d7ec51a8c6fd759a98853ff709ae54d64eBrian Gaeke &ToolArgv); 109b5ee509be2ce78badc11fd649dda90ec78394d1aBrian Gaeke } 110b5ee509be2ce78badc11fd649dda90ec78394d1aBrian Gaeke if (!Interpreter) { 111b5ee509be2ce78badc11fd649dda90ec78394d1aBrian Gaeke InterpreterSel = RunLLI; 112636df3d7ec51a8c6fd759a98853ff709ae54d64eBrian Gaeke Interpreter = AbstractInterpreter::createLLI(getToolName(), Message, 113636df3d7ec51a8c6fd759a98853ff709ae54d64eBrian Gaeke &ToolArgv); 114b5ee509be2ce78badc11fd649dda90ec78394d1aBrian Gaeke } 115b5ee509be2ce78badc11fd649dda90ec78394d1aBrian Gaeke if (!Interpreter) { 116b5ee509be2ce78badc11fd649dda90ec78394d1aBrian Gaeke InterpreterSel = AutoPick; 117b5ee509be2ce78badc11fd649dda90ec78394d1aBrian Gaeke Message = "Sorry, I can't automatically select an interpreter!\n"; 118b5ee509be2ce78badc11fd649dda90ec78394d1aBrian Gaeke } 119b5ee509be2ce78badc11fd649dda90ec78394d1aBrian Gaeke break; 120769f1fe6728ffb5627ae0cedc392576d6e701a5aChris Lattner case RunLLI: 121636df3d7ec51a8c6fd759a98853ff709ae54d64eBrian Gaeke Interpreter = AbstractInterpreter::createLLI(getToolName(), Message, 122636df3d7ec51a8c6fd759a98853ff709ae54d64eBrian Gaeke &ToolArgv); 123769f1fe6728ffb5627ae0cedc392576d6e701a5aChris Lattner break; 124769f1fe6728ffb5627ae0cedc392576d6e701a5aChris Lattner case RunLLC: 125636df3d7ec51a8c6fd759a98853ff709ae54d64eBrian Gaeke Interpreter = AbstractInterpreter::createLLC(getToolName(), Message, 126636df3d7ec51a8c6fd759a98853ff709ae54d64eBrian Gaeke &ToolArgv); 127769f1fe6728ffb5627ae0cedc392576d6e701a5aChris Lattner break; 128769f1fe6728ffb5627ae0cedc392576d6e701a5aChris Lattner case RunJIT: 129636df3d7ec51a8c6fd759a98853ff709ae54d64eBrian Gaeke Interpreter = AbstractInterpreter::createJIT(getToolName(), Message, 130636df3d7ec51a8c6fd759a98853ff709ae54d64eBrian Gaeke &ToolArgv); 131769f1fe6728ffb5627ae0cedc392576d6e701a5aChris Lattner break; 132769f1fe6728ffb5627ae0cedc392576d6e701a5aChris Lattner case RunCBE: 133636df3d7ec51a8c6fd759a98853ff709ae54d64eBrian Gaeke Interpreter = cbe = AbstractInterpreter::createCBE(getToolName(), Message, 134636df3d7ec51a8c6fd759a98853ff709ae54d64eBrian Gaeke &ToolArgv); 135769f1fe6728ffb5627ae0cedc392576d6e701a5aChris Lattner break; 136cc876a7421f6dbcca98446058d5f0637092c6e1aChris Lattner default: 1374148556a9c767fdf3047ae8e004a759356b893ddMisha Brukman Message = "Sorry, this back-end is not supported by bugpoint right now!\n"; 138cc876a7421f6dbcca98446058d5f0637092c6e1aChris Lattner break; 1394a10645c70199c8d8567fbc46312158c419720abChris Lattner } 1404148556a9c767fdf3047ae8e004a759356b893ddMisha Brukman std::cerr << Message; 1414a10645c70199c8d8567fbc46312158c419720abChris Lattner 142a259c9be2acc9528ec7feb3cfd51dcde36d87bb3Misha Brukman // Initialize auxiliary tools for debugging 1437bb11547e497d7b8fc87f61c1089eee808e3a1eeChris Lattner if (!cbe) { 144636df3d7ec51a8c6fd759a98853ff709ae54d64eBrian Gaeke cbe = AbstractInterpreter::createCBE(getToolName(), Message, &ToolArgv); 1457bb11547e497d7b8fc87f61c1089eee808e3a1eeChris Lattner if (!cbe) { std::cout << Message << "\nExiting.\n"; exit(1); } 1467bb11547e497d7b8fc87f61c1089eee808e3a1eeChris Lattner } 147769f1fe6728ffb5627ae0cedc392576d6e701a5aChris Lattner gcc = GCC::create(getToolName(), Message); 148a259c9be2acc9528ec7feb3cfd51dcde36d87bb3Misha Brukman if (!gcc) { std::cout << Message << "\nExiting.\n"; exit(1); } 149a259c9be2acc9528ec7feb3cfd51dcde36d87bb3Misha Brukman 1504a10645c70199c8d8567fbc46312158c419720abChris Lattner // If there was an error creating the selected interpreter, quit with error. 1514a10645c70199c8d8567fbc46312158c419720abChris Lattner return Interpreter == 0; 1524a10645c70199c8d8567fbc46312158c419720abChris Lattner} 1534a10645c70199c8d8567fbc46312158c419720abChris Lattner 154ea9212ca964ff6587227016f86a44160e586a4c8Chris Lattner/// compileProgram - Try to compile the specified module, throwing an exception 155ea9212ca964ff6587227016f86a44160e586a4c8Chris Lattner/// if an error occurs, or returning normally if not. This is used for code 156ea9212ca964ff6587227016f86a44160e586a4c8Chris Lattner/// generation crash testing. 157ea9212ca964ff6587227016f86a44160e586a4c8Chris Lattner/// 158ea9212ca964ff6587227016f86a44160e586a4c8Chris Lattnervoid BugDriver::compileProgram(Module *M) { 159ea9212ca964ff6587227016f86a44160e586a4c8Chris Lattner // Emit the program to a bytecode file... 160ea9212ca964ff6587227016f86a44160e586a4c8Chris Lattner std::string BytecodeFile = getUniqueFilename("bugpoint-test-program.bc"); 161ea9212ca964ff6587227016f86a44160e586a4c8Chris Lattner if (writeProgramToFile(BytecodeFile, M)) { 162ea9212ca964ff6587227016f86a44160e586a4c8Chris Lattner std::cerr << ToolName << ": Error emitting bytecode to file '" 163ea9212ca964ff6587227016f86a44160e586a4c8Chris Lattner << BytecodeFile << "'!\n"; 164ea9212ca964ff6587227016f86a44160e586a4c8Chris Lattner exit(1); 165ea9212ca964ff6587227016f86a44160e586a4c8Chris Lattner } 166ea9212ca964ff6587227016f86a44160e586a4c8Chris Lattner 167ea9212ca964ff6587227016f86a44160e586a4c8Chris Lattner // Remove the temporary bytecode file when we are done. 168ea9212ca964ff6587227016f86a44160e586a4c8Chris Lattner FileRemover BytecodeFileRemover(BytecodeFile); 169ea9212ca964ff6587227016f86a44160e586a4c8Chris Lattner 170ea9212ca964ff6587227016f86a44160e586a4c8Chris Lattner // Actually compile the program! 171ea9212ca964ff6587227016f86a44160e586a4c8Chris Lattner Interpreter->compileProgram(BytecodeFile); 172ea9212ca964ff6587227016f86a44160e586a4c8Chris Lattner} 173ea9212ca964ff6587227016f86a44160e586a4c8Chris Lattner 1744a10645c70199c8d8567fbc46312158c419720abChris Lattner 1754a10645c70199c8d8567fbc46312158c419720abChris Lattner/// executeProgram - This method runs "Program", capturing the output of the 1764a10645c70199c8d8567fbc46312158c419720abChris Lattner/// program to a file, returning the filename of the file. A recommended 1774a10645c70199c8d8567fbc46312158c419720abChris Lattner/// filename may be optionally specified. 1784a10645c70199c8d8567fbc46312158c419720abChris Lattner/// 1794a10645c70199c8d8567fbc46312158c419720abChris Lattnerstd::string BugDriver::executeProgram(std::string OutputFile, 1805073336cd4da5df4ae13a167582d1dc90f32e4e0Misha Brukman std::string BytecodeFile, 181769f1fe6728ffb5627ae0cedc392576d6e701a5aChris Lattner const std::string &SharedObj, 182c5cad211d6ec50fe90a0a716dee701c6c4721385Brian Gaeke AbstractInterpreter *AI, 183c5cad211d6ec50fe90a0a716dee701c6c4721385Brian Gaeke bool *ProgramExitedNonzero) { 184769f1fe6728ffb5627ae0cedc392576d6e701a5aChris Lattner if (AI == 0) AI = Interpreter; 185769f1fe6728ffb5627ae0cedc392576d6e701a5aChris Lattner assert(AI && "Interpreter should have been created already!"); 1864a10645c70199c8d8567fbc46312158c419720abChris Lattner bool CreatedBytecode = false; 1874a10645c70199c8d8567fbc46312158c419720abChris Lattner if (BytecodeFile.empty()) { 1884a10645c70199c8d8567fbc46312158c419720abChris Lattner // Emit the program to a bytecode file... 1894a10645c70199c8d8567fbc46312158c419720abChris Lattner BytecodeFile = getUniqueFilename("bugpoint-test-program.bc"); 1904a10645c70199c8d8567fbc46312158c419720abChris Lattner 1914a10645c70199c8d8567fbc46312158c419720abChris Lattner if (writeProgramToFile(BytecodeFile, Program)) { 1924a10645c70199c8d8567fbc46312158c419720abChris Lattner std::cerr << ToolName << ": Error emitting bytecode to file '" 1935073336cd4da5df4ae13a167582d1dc90f32e4e0Misha Brukman << BytecodeFile << "'!\n"; 1944a10645c70199c8d8567fbc46312158c419720abChris Lattner exit(1); 1954a10645c70199c8d8567fbc46312158c419720abChris Lattner } 1964a10645c70199c8d8567fbc46312158c419720abChris Lattner CreatedBytecode = true; 1974a10645c70199c8d8567fbc46312158c419720abChris Lattner } 1984a10645c70199c8d8567fbc46312158c419720abChris Lattner 1999709272675feaca030cce14d0f5eb7f342b3fc1dChris Lattner // Remove the temporary bytecode file when we are done. 2009709272675feaca030cce14d0f5eb7f342b3fc1dChris Lattner FileRemover BytecodeFileRemover(BytecodeFile, CreatedBytecode); 2019709272675feaca030cce14d0f5eb7f342b3fc1dChris Lattner 2024a10645c70199c8d8567fbc46312158c419720abChris Lattner if (OutputFile.empty()) OutputFile = "bugpoint-execution-output"; 2035073336cd4da5df4ae13a167582d1dc90f32e4e0Misha Brukman 2044a10645c70199c8d8567fbc46312158c419720abChris Lattner // Check to see if this is a valid output filename... 2054a10645c70199c8d8567fbc46312158c419720abChris Lattner OutputFile = getUniqueFilename(OutputFile); 2064a10645c70199c8d8567fbc46312158c419720abChris Lattner 207769f1fe6728ffb5627ae0cedc392576d6e701a5aChris Lattner // Figure out which shared objects to run, if any. 2087dac658792425c10274594782d6fcf10208a16f0Chris Lattner std::vector<std::string> SharedObjs(AdditionalSOs); 209769f1fe6728ffb5627ae0cedc392576d6e701a5aChris Lattner if (!SharedObj.empty()) 210769f1fe6728ffb5627ae0cedc392576d6e701a5aChris Lattner SharedObjs.push_back(SharedObj); 211769f1fe6728ffb5627ae0cedc392576d6e701a5aChris Lattner 2124a10645c70199c8d8567fbc46312158c419720abChris Lattner // Actually execute the program! 213769f1fe6728ffb5627ae0cedc392576d6e701a5aChris Lattner int RetVal = AI->ExecuteProgram(BytecodeFile, InputArgv, InputFile, 214769f1fe6728ffb5627ae0cedc392576d6e701a5aChris Lattner OutputFile, SharedObjs); 215769f1fe6728ffb5627ae0cedc392576d6e701a5aChris Lattner 216c5cad211d6ec50fe90a0a716dee701c6c4721385Brian Gaeke if (ProgramExitedNonzero != 0) 217c5cad211d6ec50fe90a0a716dee701c6c4721385Brian Gaeke *ProgramExitedNonzero = (RetVal != 0); 2184a10645c70199c8d8567fbc46312158c419720abChris Lattner 2194a10645c70199c8d8567fbc46312158c419720abChris Lattner // Return the filename we captured the output to. 2204a10645c70199c8d8567fbc46312158c419720abChris Lattner return OutputFile; 2214a10645c70199c8d8567fbc46312158c419720abChris Lattner} 2224a10645c70199c8d8567fbc46312158c419720abChris Lattner 223c5cad211d6ec50fe90a0a716dee701c6c4721385Brian Gaeke/// executeProgramWithCBE - Used to create reference output with the C 224c5cad211d6ec50fe90a0a716dee701c6c4721385Brian Gaeke/// backend, if reference output is not provided. 225c5cad211d6ec50fe90a0a716dee701c6c4721385Brian Gaeke/// 226c5cad211d6ec50fe90a0a716dee701c6c4721385Brian Gaekestd::string BugDriver::executeProgramWithCBE(std::string OutputFile) { 227c5cad211d6ec50fe90a0a716dee701c6c4721385Brian Gaeke bool ProgramExitedNonzero; 228c5cad211d6ec50fe90a0a716dee701c6c4721385Brian Gaeke std::string outFN = executeProgram(OutputFile, "", "", 229c5cad211d6ec50fe90a0a716dee701c6c4721385Brian Gaeke (AbstractInterpreter*)cbe, 230c5cad211d6ec50fe90a0a716dee701c6c4721385Brian Gaeke &ProgramExitedNonzero); 231c5cad211d6ec50fe90a0a716dee701c6c4721385Brian Gaeke if (ProgramExitedNonzero) { 232c5cad211d6ec50fe90a0a716dee701c6c4721385Brian Gaeke std::cerr 233c5cad211d6ec50fe90a0a716dee701c6c4721385Brian Gaeke << "Warning: While generating reference output, program exited with\n" 234c5cad211d6ec50fe90a0a716dee701c6c4721385Brian Gaeke << "non-zero exit code. This will NOT be treated as a failure.\n"; 235c5cad211d6ec50fe90a0a716dee701c6c4721385Brian Gaeke CheckProgramExitCode = false; 236c5cad211d6ec50fe90a0a716dee701c6c4721385Brian Gaeke } 237c5cad211d6ec50fe90a0a716dee701c6c4721385Brian Gaeke return outFN; 238c5cad211d6ec50fe90a0a716dee701c6c4721385Brian Gaeke} 2395073336cd4da5df4ae13a167582d1dc90f32e4e0Misha Brukman 240a0f5b15e1eb8642d92b3141a6b88a5729ea979dcChris Lattnerstd::string BugDriver::compileSharedObject(const std::string &BytecodeFile) { 2415073336cd4da5df4ae13a167582d1dc90f32e4e0Misha Brukman assert(Interpreter && "Interpreter should have been created already!"); 242a0f5b15e1eb8642d92b3141a6b88a5729ea979dcChris Lattner std::string OutputCFile; 2435073336cd4da5df4ae13a167582d1dc90f32e4e0Misha Brukman 2445073336cd4da5df4ae13a167582d1dc90f32e4e0Misha Brukman // Using CBE 2455073336cd4da5df4ae13a167582d1dc90f32e4e0Misha Brukman cbe->OutputC(BytecodeFile, OutputCFile); 2465073336cd4da5df4ae13a167582d1dc90f32e4e0Misha Brukman 2475073336cd4da5df4ae13a167582d1dc90f32e4e0Misha Brukman#if 0 /* This is an alternative, as yet unimplemented */ 2485073336cd4da5df4ae13a167582d1dc90f32e4e0Misha Brukman // Using LLC 249a0f5b15e1eb8642d92b3141a6b88a5729ea979dcChris Lattner std::string Message; 2504148556a9c767fdf3047ae8e004a759356b893ddMisha Brukman LLC *llc = createLLCtool(Message); 2515073336cd4da5df4ae13a167582d1dc90f32e4e0Misha Brukman if (llc->OutputAsm(BytecodeFile, OutputFile)) { 2525073336cd4da5df4ae13a167582d1dc90f32e4e0Misha Brukman std::cerr << "Could not generate asm code with `llc', exiting.\n"; 2535073336cd4da5df4ae13a167582d1dc90f32e4e0Misha Brukman exit(1); 2545073336cd4da5df4ae13a167582d1dc90f32e4e0Misha Brukman } 2555073336cd4da5df4ae13a167582d1dc90f32e4e0Misha Brukman#endif 2565073336cd4da5df4ae13a167582d1dc90f32e4e0Misha Brukman 257a0f5b15e1eb8642d92b3141a6b88a5729ea979dcChris Lattner std::string SharedObjectFile; 258769f1fe6728ffb5627ae0cedc392576d6e701a5aChris Lattner if (gcc->MakeSharedObject(OutputCFile, GCC::CFile, SharedObjectFile)) 259a0f5b15e1eb8642d92b3141a6b88a5729ea979dcChris Lattner exit(1); 2605073336cd4da5df4ae13a167582d1dc90f32e4e0Misha Brukman 2615073336cd4da5df4ae13a167582d1dc90f32e4e0Misha Brukman // Remove the intermediate C file 2625073336cd4da5df4ae13a167582d1dc90f32e4e0Misha Brukman removeFile(OutputCFile); 2635073336cd4da5df4ae13a167582d1dc90f32e4e0Misha Brukman 2646ebe44d22f6dd1ab9f7aa1f3cfd02be52145d535Chris Lattner return "./" + SharedObjectFile; 2655073336cd4da5df4ae13a167582d1dc90f32e4e0Misha Brukman} 2665073336cd4da5df4ae13a167582d1dc90f32e4e0Misha Brukman 2675073336cd4da5df4ae13a167582d1dc90f32e4e0Misha Brukman 2684a10645c70199c8d8567fbc46312158c419720abChris Lattner/// diffProgram - This method executes the specified module and diffs the output 2694a10645c70199c8d8567fbc46312158c419720abChris Lattner/// against the file specified by ReferenceOutputFile. If the output is 2704a10645c70199c8d8567fbc46312158c419720abChris Lattner/// different, true is returned. 2714a10645c70199c8d8567fbc46312158c419720abChris Lattner/// 2725073336cd4da5df4ae13a167582d1dc90f32e4e0Misha Brukmanbool BugDriver::diffProgram(const std::string &BytecodeFile, 2735073336cd4da5df4ae13a167582d1dc90f32e4e0Misha Brukman const std::string &SharedObject, 274640f22e66d90439857a97a83896ee68c4f7128c9Chris Lattner bool RemoveBytecode) { 275c5cad211d6ec50fe90a0a716dee701c6c4721385Brian Gaeke bool ProgramExitedNonzero; 276c5cad211d6ec50fe90a0a716dee701c6c4721385Brian Gaeke 2774a10645c70199c8d8567fbc46312158c419720abChris Lattner // Execute the program, generating an output file... 278c5cad211d6ec50fe90a0a716dee701c6c4721385Brian Gaeke std::string Output = executeProgram("", BytecodeFile, SharedObject, 0, 279c5cad211d6ec50fe90a0a716dee701c6c4721385Brian Gaeke &ProgramExitedNonzero); 280c5cad211d6ec50fe90a0a716dee701c6c4721385Brian Gaeke 281c5cad211d6ec50fe90a0a716dee701c6c4721385Brian Gaeke // If we're checking the program exit code, assume anything nonzero is bad. 28258d84ced5f7367335e43ea54e5daf32a4fdaefb6Chris Lattner if (CheckProgramExitCode && ProgramExitedNonzero) { 28358d84ced5f7367335e43ea54e5daf32a4fdaefb6Chris Lattner removeFile(Output); 28458d84ced5f7367335e43ea54e5daf32a4fdaefb6Chris Lattner if (RemoveBytecode) removeFile(BytecodeFile); 285c5cad211d6ec50fe90a0a716dee701c6c4721385Brian Gaeke return true; 28658d84ced5f7367335e43ea54e5daf32a4fdaefb6Chris Lattner } 2874a10645c70199c8d8567fbc46312158c419720abChris Lattner 28865f62790d6e3e7f7ceb9cd12a7a51a66d95a3b03Chris Lattner std::string Error; 2894a10645c70199c8d8567fbc46312158c419720abChris Lattner bool FilesDifferent = false; 29065f62790d6e3e7f7ceb9cd12a7a51a66d95a3b03Chris Lattner if (DiffFiles(ReferenceOutputFile, Output, &Error)) { 29165f62790d6e3e7f7ceb9cd12a7a51a66d95a3b03Chris Lattner if (!Error.empty()) { 29265f62790d6e3e7f7ceb9cd12a7a51a66d95a3b03Chris Lattner std::cerr << "While diffing output: " << Error << "\n"; 29365f62790d6e3e7f7ceb9cd12a7a51a66d95a3b03Chris Lattner exit(1); 29465f62790d6e3e7f7ceb9cd12a7a51a66d95a3b03Chris Lattner } 29565f62790d6e3e7f7ceb9cd12a7a51a66d95a3b03Chris Lattner FilesDifferent = true; 29665f62790d6e3e7f7ceb9cd12a7a51a66d95a3b03Chris Lattner } 2971a28a2b76d16913fe38f47032d31620a55dcce2eChris Lattner 2981a28a2b76d16913fe38f47032d31620a55dcce2eChris Lattner // Remove the generated output. 2991a28a2b76d16913fe38f47032d31620a55dcce2eChris Lattner removeFile(Output); 3004a10645c70199c8d8567fbc46312158c419720abChris Lattner 3011a28a2b76d16913fe38f47032d31620a55dcce2eChris Lattner // Remove the bytecode file if we are supposed to. 302640f22e66d90439857a97a83896ee68c4f7128c9Chris Lattner if (RemoveBytecode) removeFile(BytecodeFile); 3034a10645c70199c8d8567fbc46312158c419720abChris Lattner return FilesDifferent; 3044a10645c70199c8d8567fbc46312158c419720abChris Lattner} 30591eabc13d3a456cc4b387d3d7fdb041d976732c7Misha Brukman 30691eabc13d3a456cc4b387d3d7fdb041d976732c7Misha Brukmanbool BugDriver::isExecutingJIT() { 30791eabc13d3a456cc4b387d3d7fdb041d976732c7Misha Brukman return InterpreterSel == RunJIT; 30891eabc13d3a456cc4b387d3d7fdb041d976732c7Misha Brukman} 309d0fde30ce850b78371fd1386338350591f9ff494Brian Gaeke 310