ExecutionDriver.cpp revision 7c863eb8cc34c8ae97ae90672758eb6637b1125f
14a10645c70199c8d8567fbc46312158c419720abChris Lattner//===- ExecutionDriver.cpp - Allow execution of LLVM program --------------===// 23da94aec4d429b2ba0f65fa040c33650cade196bMisha Brukman// 37c0e022c5c4be4b11e199a53f73bbdd84e34aa80John Criswell// The LLVM Compiler Infrastructure 47c0e022c5c4be4b11e199a53f73bbdd84e34aa80John Criswell// 521c62da287237d39d0d95004881ea4baae3be6daChris Lattner// This file is distributed under the University of Illinois Open Source 621c62da287237d39d0d95004881ea4baae3be6daChris Lattner// License. See LICENSE.TXT for details. 73da94aec4d429b2ba0f65fa040c33650cade196bMisha Brukman// 87c0e022c5c4be4b11e199a53f73bbdd84e34aa80John Criswell//===----------------------------------------------------------------------===// 94a10645c70199c8d8567fbc46312158c419720abChris Lattner// 104a10645c70199c8d8567fbc46312158c419720abChris Lattner// This file contains code used to execute the program utilizing one of the 118ff70c2635bfd4e02c0140a5dc9ca909fffba35aGabor Greif// various ways of running LLVM bitcode. 124a10645c70199c8d8567fbc46312158c419720abChris Lattner// 134a10645c70199c8d8567fbc46312158c419720abChris Lattner//===----------------------------------------------------------------------===// 144a10645c70199c8d8567fbc46312158c419720abChris Lattner 154a10645c70199c8d8567fbc46312158c419720abChris Lattner#include "BugDriver.h" 16f1b20d8620b05abaa52f40ac6d21f839b265fb00Chris Lattner#include "ToolRunner.h" 17551ccae044b0ff658fe629dd67edd5ffe75d10e8Reid Spencer#include "llvm/Support/CommandLine.h" 18551ccae044b0ff658fe629dd67edd5ffe75d10e8Reid Spencer#include "llvm/Support/Debug.h" 19551ccae044b0ff658fe629dd67edd5ffe75d10e8Reid Spencer#include "llvm/Support/FileUtilities.h" 20551ccae044b0ff658fe629dd67edd5ffe75d10e8Reid Spencer#include "llvm/Support/SystemUtils.h" 2174382b7c699120fbec5cb5603c9cf4212eb37f06Chris Lattner#include "llvm/Support/raw_ostream.h" 224a10645c70199c8d8567fbc46312158c419720abChris Lattner#include <fstream> 2351ab5c8862466bbddcd5c4369779c472978ed309Reid Spencer 24d0fde30ce850b78371fd1386338350591f9ff494Brian Gaekeusing namespace llvm; 25d0fde30ce850b78371fd1386338350591f9ff494Brian Gaeke 264a10645c70199c8d8567fbc46312158c419720abChris Lattnernamespace { 274a10645c70199c8d8567fbc46312158c419720abChris Lattner // OutputType - Allow the user to specify the way code should be run, to test 284a10645c70199c8d8567fbc46312158c419720abChris Lattner // for miscompilation. 294a10645c70199c8d8567fbc46312158c419720abChris Lattner // 304a10645c70199c8d8567fbc46312158c419720abChris Lattner enum OutputType { 31f73311bb646bf970806ba7caba220e6bffff7b49Andrew Trick AutoPick, RunLLI, RunJIT, RunLLC, RunLLCIA, RunCBE, CBE_bug, LLC_Safe, 32f73311bb646bf970806ba7caba220e6bffff7b49Andrew Trick CompileCustom, Custom 334a10645c70199c8d8567fbc46312158c419720abChris Lattner }; 344148556a9c767fdf3047ae8e004a759356b893ddMisha Brukman 35a328c51bb99666ee0c045a57ea6d6ce2b0198f9bChris Lattner cl::opt<double> 36a328c51bb99666ee0c045a57ea6d6ce2b0198f9bChris Lattner AbsTolerance("abs-tolerance", cl::desc("Absolute error tolerated"), 37a328c51bb99666ee0c045a57ea6d6ce2b0198f9bChris Lattner cl::init(0.0)); 38a328c51bb99666ee0c045a57ea6d6ce2b0198f9bChris Lattner cl::opt<double> 39a328c51bb99666ee0c045a57ea6d6ce2b0198f9bChris Lattner RelTolerance("rel-tolerance", cl::desc("Relative error tolerated"), 40a328c51bb99666ee0c045a57ea6d6ce2b0198f9bChris Lattner cl::init(0.0)); 41a328c51bb99666ee0c045a57ea6d6ce2b0198f9bChris Lattner 424a10645c70199c8d8567fbc46312158c419720abChris Lattner cl::opt<OutputType> 4370ef449741da8b1ef035e04a55958652a0200ba1Dan Gohman InterpreterSel(cl::desc("Specify the \"test\" i.e. suspect back-end:"), 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"), 4950010429a7c3285dab15ede68acae7231fade367Chris Lattner clEnumValN(RunLLCIA, "run-llc-ia", 5050010429a7c3285dab15ede68acae7231fade367Chris Lattner "Compile with LLC with integrated assembler"), 515073336cd4da5df4ae13a167582d1dc90f32e4e0Misha Brukman clEnumValN(RunCBE, "run-cbe", "Compile with CBE"), 52c600f3c337f18c62116ac58b701e4f7ae6d2fb1aChris Lattner clEnumValN(CBE_bug,"cbe-bug", "Find CBE bugs"), 53cd6f46e2ac4c1d64067237c0b28eccfae22bd9f4Chris Lattner clEnumValN(LLC_Safe, "llc-safe", "Use LLC for all"), 54f73311bb646bf970806ba7caba220e6bffff7b49Andrew Trick clEnumValN(CompileCustom, "compile-custom", 55f73311bb646bf970806ba7caba220e6bffff7b49Andrew Trick "Use -compile-command to define a command to " 56f73311bb646bf970806ba7caba220e6bffff7b49Andrew Trick "compile the bitcode. Useful to avoid linking."), 579ef7425a4d44ff129495da2357c98c67162fbeffAnton Korobeynikov clEnumValN(Custom, "run-custom", 589ef7425a4d44ff129495da2357c98c67162fbeffAnton Korobeynikov "Use -exec-command to define a command to execute " 599ef7425a4d44ff129495da2357c98c67162fbeffAnton Korobeynikov "the bitcode. Useful for cross-compilation."), 604d143ee01988e1b52e106ffccbb313937ca5e886Chris Lattner clEnumValEnd), 61b5ee509be2ce78badc11fd649dda90ec78394d1aBrian Gaeke cl::init(AutoPick)); 623c053a0a98e19f5ac8905011ad4c8238b08d6aeaChris Lattner 6370ef449741da8b1ef035e04a55958652a0200ba1Dan Gohman cl::opt<OutputType> 6470ef449741da8b1ef035e04a55958652a0200ba1Dan Gohman SafeInterpreterSel(cl::desc("Specify \"safe\" i.e. known-good backend:"), 6549419e28fe400509363cecf63a3a824002c1d9e0Evan Cheng cl::values(clEnumValN(AutoPick, "safe-auto", "Use best guess"), 6649419e28fe400509363cecf63a3a824002c1d9e0Evan Cheng clEnumValN(RunLLC, "safe-run-llc", "Compile with LLC"), 6749419e28fe400509363cecf63a3a824002c1d9e0Evan Cheng clEnumValN(RunCBE, "safe-run-cbe", "Compile with CBE"), 6849419e28fe400509363cecf63a3a824002c1d9e0Evan Cheng clEnumValN(Custom, "safe-run-custom", 6949419e28fe400509363cecf63a3a824002c1d9e0Evan Cheng "Use -exec-command to define a command to execute " 7049419e28fe400509363cecf63a3a824002c1d9e0Evan Cheng "the bitcode. Useful for cross-compilation."), 7149419e28fe400509363cecf63a3a824002c1d9e0Evan Cheng clEnumValEnd), 7270ef449741da8b1ef035e04a55958652a0200ba1Dan Gohman cl::init(AutoPick)); 7370ef449741da8b1ef035e04a55958652a0200ba1Dan Gohman 7470ef449741da8b1ef035e04a55958652a0200ba1Dan Gohman cl::opt<std::string> 7570ef449741da8b1ef035e04a55958652a0200ba1Dan Gohman SafeInterpreterPath("safe-path", 7649419e28fe400509363cecf63a3a824002c1d9e0Evan Cheng cl::desc("Specify the path to the \"safe\" backend program"), 7749419e28fe400509363cecf63a3a824002c1d9e0Evan Cheng cl::init("")); 7870ef449741da8b1ef035e04a55958652a0200ba1Dan Gohman 79c5cad211d6ec50fe90a0a716dee701c6c4721385Brian Gaeke cl::opt<bool> 805e1452c856a8bcf39ab7a67a5af946c8162f942dReid Spencer AppendProgramExitCode("append-exit-code", 815e1452c856a8bcf39ab7a67a5af946c8162f942dReid Spencer cl::desc("Append the exit code to the output so it gets diff'd too"), 825e1452c856a8bcf39ab7a67a5af946c8162f942dReid Spencer cl::init(false)); 835e1452c856a8bcf39ab7a67a5af946c8162f942dReid Spencer 843c053a0a98e19f5ac8905011ad4c8238b08d6aeaChris Lattner cl::opt<std::string> 853c053a0a98e19f5ac8905011ad4c8238b08d6aeaChris Lattner InputFile("input", cl::init("/dev/null"), 863c053a0a98e19f5ac8905011ad4c8238b08d6aeaChris Lattner cl::desc("Filename to pipe in as stdin (default: /dev/null)")); 877dac658792425c10274594782d6fcf10208a16f0Chris Lattner 887dac658792425c10274594782d6fcf10208a16f0Chris Lattner cl::list<std::string> 897dac658792425c10274594782d6fcf10208a16f0Chris Lattner AdditionalSOs("additional-so", 907dac658792425c10274594782d6fcf10208a16f0Chris Lattner cl::desc("Additional shared objects to load " 917dac658792425c10274594782d6fcf10208a16f0Chris Lattner "into executing programs")); 927d91e49ff7bcc0fd10a54d45a6185bb05adf3d20Chris Lattner 9351ab5c8862466bbddcd5c4369779c472978ed309Reid Spencer cl::list<std::string> 94de86cbdc57f30621d3692da7a36613bb623d13b5Andrew Trick AdditionalLinkerArgs("Xlinker", 9551ab5c8862466bbddcd5c4369779c472978ed309Reid Spencer cl::desc("Additional arguments to pass to the linker")); 969ef7425a4d44ff129495da2357c98c67162fbeffAnton Korobeynikov 979ef7425a4d44ff129495da2357c98c67162fbeffAnton Korobeynikov cl::opt<std::string> 98f73311bb646bf970806ba7caba220e6bffff7b49Andrew Trick CustomCompileCommand("compile-command", cl::init("llc"), 99f73311bb646bf970806ba7caba220e6bffff7b49Andrew Trick cl::desc("Command to compile the bitcode (use with -compile-custom) " 100f73311bb646bf970806ba7caba220e6bffff7b49Andrew Trick "(default: llc)")); 101f73311bb646bf970806ba7caba220e6bffff7b49Andrew Trick 102f73311bb646bf970806ba7caba220e6bffff7b49Andrew Trick cl::opt<std::string> 1039ef7425a4d44ff129495da2357c98c67162fbeffAnton Korobeynikov CustomExecCommand("exec-command", cl::init("simulate"), 1049ef7425a4d44ff129495da2357c98c67162fbeffAnton Korobeynikov cl::desc("Command to execute the bitcode (use with -run-custom) " 1059ef7425a4d44ff129495da2357c98c67162fbeffAnton Korobeynikov "(default: simulate)")); 1064a10645c70199c8d8567fbc46312158c419720abChris Lattner} 1074a10645c70199c8d8567fbc46312158c419720abChris Lattner 108d0fde30ce850b78371fd1386338350591f9ff494Brian Gaekenamespace llvm { 109fa76183e8e28985dfd17b1d6291c939dab4cbe1dChris Lattner // Anything specified after the --args option are taken as arguments to the 110fa76183e8e28985dfd17b1d6291c939dab4cbe1dChris Lattner // program being debugged. 111fa76183e8e28985dfd17b1d6291c939dab4cbe1dChris Lattner cl::list<std::string> 112fa76183e8e28985dfd17b1d6291c939dab4cbe1dChris Lattner InputArgv("args", cl::Positional, cl::desc("<program arguments>..."), 11360083e2fc0f1165b7511757449f1ee3852b7229cChris Lattner cl::ZeroOrMore, cl::PositionalEatsArgs); 11468ccdaa84909108c42417a8091c771598e26456eDaniel Dunbar 11568ccdaa84909108c42417a8091c771598e26456eDaniel Dunbar cl::opt<std::string> 11668ccdaa84909108c42417a8091c771598e26456eDaniel Dunbar OutputPrefix("output-prefix", cl::init("bugpoint"), 11768ccdaa84909108c42417a8091c771598e26456eDaniel Dunbar cl::desc("Prefix to use for outputs (default: 'bugpoint')")); 11870ef449741da8b1ef035e04a55958652a0200ba1Dan Gohman} 119636df3d7ec51a8c6fd759a98853ff709ae54d64eBrian Gaeke 12070ef449741da8b1ef035e04a55958652a0200ba1Dan Gohmannamespace { 121636df3d7ec51a8c6fd759a98853ff709ae54d64eBrian Gaeke cl::list<std::string> 122636df3d7ec51a8c6fd759a98853ff709ae54d64eBrian Gaeke ToolArgv("tool-args", cl::Positional, cl::desc("<tool arguments>..."), 12360083e2fc0f1165b7511757449f1ee3852b7229cChris Lattner cl::ZeroOrMore, cl::PositionalEatsArgs); 12470ef449741da8b1ef035e04a55958652a0200ba1Dan Gohman 12570ef449741da8b1ef035e04a55958652a0200ba1Dan Gohman cl::list<std::string> 12670ef449741da8b1ef035e04a55958652a0200ba1Dan Gohman SafeToolArgv("safe-tool-args", cl::Positional, 12770ef449741da8b1ef035e04a55958652a0200ba1Dan Gohman cl::desc("<safe-tool arguments>..."), 12870ef449741da8b1ef035e04a55958652a0200ba1Dan Gohman cl::ZeroOrMore, cl::PositionalEatsArgs); 12938efa38c864f6d29892d92102c0232b234b526edBill Wendling 130faa95763ebb081769bf6ac35e170394c9d477813Kalle Raiskila cl::opt<std::string> 131de86cbdc57f30621d3692da7a36613bb623d13b5Andrew Trick GCCBinary("gcc", cl::init("gcc"), 132faa95763ebb081769bf6ac35e170394c9d477813Kalle Raiskila cl::desc("The gcc binary to use. (default 'gcc')")); 133faa95763ebb081769bf6ac35e170394c9d477813Kalle Raiskila 13438efa38c864f6d29892d92102c0232b234b526edBill Wendling cl::list<std::string> 13538efa38c864f6d29892d92102c0232b234b526edBill Wendling GCCToolArgv("gcc-tool-args", cl::Positional, 13638efa38c864f6d29892d92102c0232b234b526edBill Wendling cl::desc("<gcc-tool arguments>..."), 13738efa38c864f6d29892d92102c0232b234b526edBill Wendling cl::ZeroOrMore, cl::PositionalEatsArgs); 138fa76183e8e28985dfd17b1d6291c939dab4cbe1dChris Lattner} 1399d679cbc6cb5c7dc8cca87a1e1548c480fb056b8Misha Brukman 1404a10645c70199c8d8567fbc46312158c419720abChris Lattner//===----------------------------------------------------------------------===// 1414a10645c70199c8d8567fbc46312158c419720abChris Lattner// BugDriver method implementation 1424a10645c70199c8d8567fbc46312158c419720abChris Lattner// 1434a10645c70199c8d8567fbc46312158c419720abChris Lattner 1444a10645c70199c8d8567fbc46312158c419720abChris Lattner/// initializeExecutionEnvironment - This method is used to set up the 1454a10645c70199c8d8567fbc46312158c419720abChris Lattner/// environment for executing LLVM programs. 1464a10645c70199c8d8567fbc46312158c419720abChris Lattner/// 1474a10645c70199c8d8567fbc46312158c419720abChris Lattnerbool BugDriver::initializeExecutionEnvironment() { 148ac95cc79ac0b899d566cc29c0f646f39c2fa35c0Dan Gohman outs() << "Initializing execution environment: "; 1494a10645c70199c8d8567fbc46312158c419720abChris Lattner 1504148556a9c767fdf3047ae8e004a759356b893ddMisha Brukman // Create an instance of the AbstractInterpreter interface as specified on 1514148556a9c767fdf3047ae8e004a759356b893ddMisha Brukman // the command line 15270ef449741da8b1ef035e04a55958652a0200ba1Dan Gohman SafeInterpreter = 0; 1534a10645c70199c8d8567fbc46312158c419720abChris Lattner std::string Message; 154636df3d7ec51a8c6fd759a98853ff709ae54d64eBrian Gaeke 155cc876a7421f6dbcca98446058d5f0637092c6e1aChris Lattner switch (InterpreterSel) { 156b5ee509be2ce78badc11fd649dda90ec78394d1aBrian Gaeke case AutoPick: 157b5ee509be2ce78badc11fd649dda90ec78394d1aBrian Gaeke InterpreterSel = RunCBE; 15870ef449741da8b1ef035e04a55958652a0200ba1Dan Gohman Interpreter = 159faa95763ebb081769bf6ac35e170394c9d477813Kalle Raiskila AbstractInterpreter::createCBE(getToolName(), Message, GCCBinary, 160faa95763ebb081769bf6ac35e170394c9d477813Kalle Raiskila &ToolArgv, &GCCToolArgv); 161b5ee509be2ce78badc11fd649dda90ec78394d1aBrian Gaeke if (!Interpreter) { 162b5ee509be2ce78badc11fd649dda90ec78394d1aBrian Gaeke InterpreterSel = RunJIT; 163636df3d7ec51a8c6fd759a98853ff709ae54d64eBrian Gaeke Interpreter = AbstractInterpreter::createJIT(getToolName(), Message, 164636df3d7ec51a8c6fd759a98853ff709ae54d64eBrian Gaeke &ToolArgv); 165b5ee509be2ce78badc11fd649dda90ec78394d1aBrian Gaeke } 166b5ee509be2ce78badc11fd649dda90ec78394d1aBrian Gaeke if (!Interpreter) { 167b5ee509be2ce78badc11fd649dda90ec78394d1aBrian Gaeke InterpreterSel = RunLLC; 168636df3d7ec51a8c6fd759a98853ff709ae54d64eBrian Gaeke Interpreter = AbstractInterpreter::createLLC(getToolName(), Message, 169de86cbdc57f30621d3692da7a36613bb623d13b5Andrew Trick GCCBinary, &ToolArgv, 170faa95763ebb081769bf6ac35e170394c9d477813Kalle Raiskila &GCCToolArgv); 171b5ee509be2ce78badc11fd649dda90ec78394d1aBrian Gaeke } 172b5ee509be2ce78badc11fd649dda90ec78394d1aBrian Gaeke if (!Interpreter) { 173b5ee509be2ce78badc11fd649dda90ec78394d1aBrian Gaeke InterpreterSel = RunLLI; 174636df3d7ec51a8c6fd759a98853ff709ae54d64eBrian Gaeke Interpreter = AbstractInterpreter::createLLI(getToolName(), Message, 175636df3d7ec51a8c6fd759a98853ff709ae54d64eBrian Gaeke &ToolArgv); 176b5ee509be2ce78badc11fd649dda90ec78394d1aBrian Gaeke } 177b5ee509be2ce78badc11fd649dda90ec78394d1aBrian Gaeke if (!Interpreter) { 178b5ee509be2ce78badc11fd649dda90ec78394d1aBrian Gaeke InterpreterSel = AutoPick; 179b5ee509be2ce78badc11fd649dda90ec78394d1aBrian Gaeke Message = "Sorry, I can't automatically select an interpreter!\n"; 180b5ee509be2ce78badc11fd649dda90ec78394d1aBrian Gaeke } 181b5ee509be2ce78badc11fd649dda90ec78394d1aBrian Gaeke break; 182769f1fe6728ffb5627ae0cedc392576d6e701a5aChris Lattner case RunLLI: 183636df3d7ec51a8c6fd759a98853ff709ae54d64eBrian Gaeke Interpreter = AbstractInterpreter::createLLI(getToolName(), Message, 184636df3d7ec51a8c6fd759a98853ff709ae54d64eBrian Gaeke &ToolArgv); 185769f1fe6728ffb5627ae0cedc392576d6e701a5aChris Lattner break; 186769f1fe6728ffb5627ae0cedc392576d6e701a5aChris Lattner case RunLLC: 18750010429a7c3285dab15ede68acae7231fade367Chris Lattner case RunLLCIA: 18870ef449741da8b1ef035e04a55958652a0200ba1Dan Gohman case LLC_Safe: 189636df3d7ec51a8c6fd759a98853ff709ae54d64eBrian Gaeke Interpreter = AbstractInterpreter::createLLC(getToolName(), Message, 190de86cbdc57f30621d3692da7a36613bb623d13b5Andrew Trick GCCBinary, &ToolArgv, 191faa95763ebb081769bf6ac35e170394c9d477813Kalle Raiskila &GCCToolArgv, 19250010429a7c3285dab15ede68acae7231fade367Chris Lattner InterpreterSel == RunLLCIA); 193769f1fe6728ffb5627ae0cedc392576d6e701a5aChris Lattner break; 194769f1fe6728ffb5627ae0cedc392576d6e701a5aChris Lattner case RunJIT: 195636df3d7ec51a8c6fd759a98853ff709ae54d64eBrian Gaeke Interpreter = AbstractInterpreter::createJIT(getToolName(), Message, 196636df3d7ec51a8c6fd759a98853ff709ae54d64eBrian Gaeke &ToolArgv); 197769f1fe6728ffb5627ae0cedc392576d6e701a5aChris Lattner break; 198769f1fe6728ffb5627ae0cedc392576d6e701a5aChris Lattner case RunCBE: 199c600f3c337f18c62116ac58b701e4f7ae6d2fb1aChris Lattner case CBE_bug: 200c600f3c337f18c62116ac58b701e4f7ae6d2fb1aChris Lattner Interpreter = AbstractInterpreter::createCBE(getToolName(), Message, 201de86cbdc57f30621d3692da7a36613bb623d13b5Andrew Trick GCCBinary, &ToolArgv, 202faa95763ebb081769bf6ac35e170394c9d477813Kalle Raiskila &GCCToolArgv); 203769f1fe6728ffb5627ae0cedc392576d6e701a5aChris Lattner break; 204f73311bb646bf970806ba7caba220e6bffff7b49Andrew Trick case CompileCustom: 205f73311bb646bf970806ba7caba220e6bffff7b49Andrew Trick Interpreter = 206f73311bb646bf970806ba7caba220e6bffff7b49Andrew Trick AbstractInterpreter::createCustomCompiler(Message, CustomCompileCommand); 207f73311bb646bf970806ba7caba220e6bffff7b49Andrew Trick break; 2089ef7425a4d44ff129495da2357c98c67162fbeffAnton Korobeynikov case Custom: 209f73311bb646bf970806ba7caba220e6bffff7b49Andrew Trick Interpreter = 210f73311bb646bf970806ba7caba220e6bffff7b49Andrew Trick AbstractInterpreter::createCustomExecutor(Message, CustomExecCommand); 2119ef7425a4d44ff129495da2357c98c67162fbeffAnton Korobeynikov break; 212cc876a7421f6dbcca98446058d5f0637092c6e1aChris Lattner default: 2134148556a9c767fdf3047ae8e004a759356b893ddMisha Brukman Message = "Sorry, this back-end is not supported by bugpoint right now!\n"; 214cc876a7421f6dbcca98446058d5f0637092c6e1aChris Lattner break; 2154a10645c70199c8d8567fbc46312158c419720abChris Lattner } 216ad6996d74f60340d6139af8f345d93735661fbbaMatthijs Kooijman if (!Interpreter) 21765f57c233cd4499e2e8b52a503201e64edfd6a9eDan Gohman errs() << Message; 218ad6996d74f60340d6139af8f345d93735661fbbaMatthijs Kooijman else // Display informational messages on stdout instead of stderr 219ac95cc79ac0b899d566cc29c0f646f39c2fa35c0Dan Gohman outs() << Message; 2204a10645c70199c8d8567fbc46312158c419720abChris Lattner 22170ef449741da8b1ef035e04a55958652a0200ba1Dan Gohman std::string Path = SafeInterpreterPath; 22270ef449741da8b1ef035e04a55958652a0200ba1Dan Gohman if (Path.empty()) 22370ef449741da8b1ef035e04a55958652a0200ba1Dan Gohman Path = getToolName(); 22470ef449741da8b1ef035e04a55958652a0200ba1Dan Gohman std::vector<std::string> SafeToolArgs = SafeToolArgv; 22570ef449741da8b1ef035e04a55958652a0200ba1Dan Gohman switch (SafeInterpreterSel) { 22670ef449741da8b1ef035e04a55958652a0200ba1Dan Gohman case AutoPick: 22770ef449741da8b1ef035e04a55958652a0200ba1Dan Gohman // In "cbe-bug" mode, default to using LLC as the "safe" backend. 22870ef449741da8b1ef035e04a55958652a0200ba1Dan Gohman if (!SafeInterpreter && 22970ef449741da8b1ef035e04a55958652a0200ba1Dan Gohman InterpreterSel == CBE_bug) { 23070ef449741da8b1ef035e04a55958652a0200ba1Dan Gohman SafeInterpreterSel = RunLLC; 23170ef449741da8b1ef035e04a55958652a0200ba1Dan Gohman SafeToolArgs.push_back("--relocation-model=pic"); 232197f728d49fa0cc0baa5aadb2b905fbd8c22a81eDan Gohman SafeInterpreter = AbstractInterpreter::createLLC(Path.c_str(), Message, 233de86cbdc57f30621d3692da7a36613bb623d13b5Andrew Trick GCCBinary, 23438efa38c864f6d29892d92102c0232b234b526edBill Wendling &SafeToolArgs, 23538efa38c864f6d29892d92102c0232b234b526edBill Wendling &GCCToolArgv); 23670ef449741da8b1ef035e04a55958652a0200ba1Dan Gohman } 23770ef449741da8b1ef035e04a55958652a0200ba1Dan Gohman 23870ef449741da8b1ef035e04a55958652a0200ba1Dan Gohman // In "llc-safe" mode, default to using LLC as the "safe" backend. 23970ef449741da8b1ef035e04a55958652a0200ba1Dan Gohman if (!SafeInterpreter && 24070ef449741da8b1ef035e04a55958652a0200ba1Dan Gohman InterpreterSel == LLC_Safe) { 24170ef449741da8b1ef035e04a55958652a0200ba1Dan Gohman SafeInterpreterSel = RunLLC; 24270ef449741da8b1ef035e04a55958652a0200ba1Dan Gohman SafeToolArgs.push_back("--relocation-model=pic"); 243197f728d49fa0cc0baa5aadb2b905fbd8c22a81eDan Gohman SafeInterpreter = AbstractInterpreter::createLLC(Path.c_str(), Message, 244de86cbdc57f30621d3692da7a36613bb623d13b5Andrew Trick GCCBinary, 24538efa38c864f6d29892d92102c0232b234b526edBill Wendling &SafeToolArgs, 24638efa38c864f6d29892d92102c0232b234b526edBill Wendling &GCCToolArgv); 24770ef449741da8b1ef035e04a55958652a0200ba1Dan Gohman } 24870ef449741da8b1ef035e04a55958652a0200ba1Dan Gohman 24970ef449741da8b1ef035e04a55958652a0200ba1Dan Gohman // Pick a backend that's different from the test backend. The JIT and 25070ef449741da8b1ef035e04a55958652a0200ba1Dan Gohman // LLC backends share a lot of code, so prefer to use the CBE as the 25170ef449741da8b1ef035e04a55958652a0200ba1Dan Gohman // safe back-end when testing them. 25270ef449741da8b1ef035e04a55958652a0200ba1Dan Gohman if (!SafeInterpreter && 25370ef449741da8b1ef035e04a55958652a0200ba1Dan Gohman InterpreterSel != RunCBE) { 25470ef449741da8b1ef035e04a55958652a0200ba1Dan Gohman SafeInterpreterSel = RunCBE; 255197f728d49fa0cc0baa5aadb2b905fbd8c22a81eDan Gohman SafeInterpreter = AbstractInterpreter::createCBE(Path.c_str(), Message, 256faa95763ebb081769bf6ac35e170394c9d477813Kalle Raiskila GCCBinary, 25738efa38c864f6d29892d92102c0232b234b526edBill Wendling &SafeToolArgs, 25838efa38c864f6d29892d92102c0232b234b526edBill Wendling &GCCToolArgv); 25970ef449741da8b1ef035e04a55958652a0200ba1Dan Gohman } 26070ef449741da8b1ef035e04a55958652a0200ba1Dan Gohman if (!SafeInterpreter && 26170ef449741da8b1ef035e04a55958652a0200ba1Dan Gohman InterpreterSel != RunLLC && 26270ef449741da8b1ef035e04a55958652a0200ba1Dan Gohman InterpreterSel != RunJIT) { 26370ef449741da8b1ef035e04a55958652a0200ba1Dan Gohman SafeInterpreterSel = RunLLC; 26470ef449741da8b1ef035e04a55958652a0200ba1Dan Gohman SafeToolArgs.push_back("--relocation-model=pic"); 265197f728d49fa0cc0baa5aadb2b905fbd8c22a81eDan Gohman SafeInterpreter = AbstractInterpreter::createLLC(Path.c_str(), Message, 266de86cbdc57f30621d3692da7a36613bb623d13b5Andrew Trick GCCBinary, 26738efa38c864f6d29892d92102c0232b234b526edBill Wendling &SafeToolArgs, 26838efa38c864f6d29892d92102c0232b234b526edBill Wendling &GCCToolArgv); 26970ef449741da8b1ef035e04a55958652a0200ba1Dan Gohman } 27070ef449741da8b1ef035e04a55958652a0200ba1Dan Gohman if (!SafeInterpreter) { 27170ef449741da8b1ef035e04a55958652a0200ba1Dan Gohman SafeInterpreterSel = AutoPick; 27270ef449741da8b1ef035e04a55958652a0200ba1Dan Gohman Message = "Sorry, I can't automatically select an interpreter!\n"; 27370ef449741da8b1ef035e04a55958652a0200ba1Dan Gohman } 27470ef449741da8b1ef035e04a55958652a0200ba1Dan Gohman break; 27570ef449741da8b1ef035e04a55958652a0200ba1Dan Gohman case RunLLC: 27650010429a7c3285dab15ede68acae7231fade367Chris Lattner case RunLLCIA: 27770ef449741da8b1ef035e04a55958652a0200ba1Dan Gohman SafeToolArgs.push_back("--relocation-model=pic"); 278197f728d49fa0cc0baa5aadb2b905fbd8c22a81eDan Gohman SafeInterpreter = AbstractInterpreter::createLLC(Path.c_str(), Message, 279faa95763ebb081769bf6ac35e170394c9d477813Kalle Raiskila GCCBinary, &SafeToolArgs, 28050010429a7c3285dab15ede68acae7231fade367Chris Lattner &GCCToolArgv, 28150010429a7c3285dab15ede68acae7231fade367Chris Lattner SafeInterpreterSel == RunLLCIA); 28270ef449741da8b1ef035e04a55958652a0200ba1Dan Gohman break; 28370ef449741da8b1ef035e04a55958652a0200ba1Dan Gohman case RunCBE: 284197f728d49fa0cc0baa5aadb2b905fbd8c22a81eDan Gohman SafeInterpreter = AbstractInterpreter::createCBE(Path.c_str(), Message, 285faa95763ebb081769bf6ac35e170394c9d477813Kalle Raiskila GCCBinary, &SafeToolArgs, 28638efa38c864f6d29892d92102c0232b234b526edBill Wendling &GCCToolArgv); 28770ef449741da8b1ef035e04a55958652a0200ba1Dan Gohman break; 28870ef449741da8b1ef035e04a55958652a0200ba1Dan Gohman case Custom: 289f73311bb646bf970806ba7caba220e6bffff7b49Andrew Trick SafeInterpreter = 290f73311bb646bf970806ba7caba220e6bffff7b49Andrew Trick AbstractInterpreter::createCustomExecutor(Message, CustomExecCommand); 29170ef449741da8b1ef035e04a55958652a0200ba1Dan Gohman break; 29270ef449741da8b1ef035e04a55958652a0200ba1Dan Gohman default: 29370ef449741da8b1ef035e04a55958652a0200ba1Dan Gohman Message = "Sorry, this back-end is not supported by bugpoint as the " 29470ef449741da8b1ef035e04a55958652a0200ba1Dan Gohman "\"safe\" backend right now!\n"; 29570ef449741da8b1ef035e04a55958652a0200ba1Dan Gohman break; 2967bb11547e497d7b8fc87f61c1089eee808e3a1eeChris Lattner } 297ac95cc79ac0b899d566cc29c0f646f39c2fa35c0Dan Gohman if (!SafeInterpreter) { outs() << Message << "\nExiting.\n"; exit(1); } 298de86cbdc57f30621d3692da7a36613bb623d13b5Andrew Trick 299faa95763ebb081769bf6ac35e170394c9d477813Kalle Raiskila gcc = GCC::create(Message, GCCBinary, &GCCToolArgv); 300ac95cc79ac0b899d566cc29c0f646f39c2fa35c0Dan Gohman if (!gcc) { outs() << Message << "\nExiting.\n"; exit(1); } 301a259c9be2acc9528ec7feb3cfd51dcde36d87bb3Misha Brukman 3024a10645c70199c8d8567fbc46312158c419720abChris Lattner // If there was an error creating the selected interpreter, quit with error. 3034a10645c70199c8d8567fbc46312158c419720abChris Lattner return Interpreter == 0; 3044a10645c70199c8d8567fbc46312158c419720abChris Lattner} 3054a10645c70199c8d8567fbc46312158c419720abChris Lattner 30622ff748712b348300e51248339b6e8cf9b59e2c6Nick Lewycky/// compileProgram - Try to compile the specified module, returning false and 30722ff748712b348300e51248339b6e8cf9b59e2c6Nick Lewycky/// setting Error if an error occurs. This is used for code generation 30822ff748712b348300e51248339b6e8cf9b59e2c6Nick Lewycky/// crash testing. 309ea9212ca964ff6587227016f86a44160e586a4c8Chris Lattner/// 310248d1c65f1ce5bc04b892998b2c2061e6a5f8e1cRafael Espindolavoid BugDriver::compileProgram(Module *M, std::string *Error) const { 3118ff70c2635bfd4e02c0140a5dc9ca909fffba35aGabor Greif // Emit the program to a bitcode file... 31268ccdaa84909108c42417a8091c771598e26456eDaniel Dunbar sys::Path BitcodeFile (OutputPrefix + "-test-program.bc"); 31351c5a286bae5ad27ddc49602f44b7ea7253a4cc9Reid Spencer std::string ErrMsg; 31422ff748712b348300e51248339b6e8cf9b59e2c6Nick Lewycky if (BitcodeFile.makeUnique(true, &ErrMsg)) { 315de86cbdc57f30621d3692da7a36613bb623d13b5Andrew Trick errs() << ToolName << ": Error making unique filename: " << ErrMsg 31665f57c233cd4499e2e8b52a503201e64edfd6a9eDan Gohman << "\n"; 31751c5a286bae5ad27ddc49602f44b7ea7253a4cc9Reid Spencer exit(1); 31851c5a286bae5ad27ddc49602f44b7ea7253a4cc9Reid Spencer } 31974382b7c699120fbec5cb5603c9cf4212eb37f06Chris Lattner if (writeProgramToFile(BitcodeFile.str(), M)) { 32065f57c233cd4499e2e8b52a503201e64edfd6a9eDan Gohman errs() << ToolName << ": Error emitting bitcode to file '" 32174382b7c699120fbec5cb5603c9cf4212eb37f06Chris Lattner << BitcodeFile.str() << "'!\n"; 322ea9212ca964ff6587227016f86a44160e586a4c8Chris Lattner exit(1); 323ea9212ca964ff6587227016f86a44160e586a4c8Chris Lattner } 324ea9212ca964ff6587227016f86a44160e586a4c8Chris Lattner 32522ff748712b348300e51248339b6e8cf9b59e2c6Nick Lewycky // Remove the temporary bitcode file when we are done. 326c9c08fb3a7fb5e8ea3e1477a88507704c7a70ba1Michael J. Spencer FileRemover BitcodeFileRemover(BitcodeFile.str(), !SaveTemps); 327ea9212ca964ff6587227016f86a44160e586a4c8Chris Lattner 328ea9212ca964ff6587227016f86a44160e586a4c8Chris Lattner // Actually compile the program! 32941396302126c24f1d5231e191852ebf2ff37fe23Duncan Sands Interpreter->compileProgram(BitcodeFile.str(), Error, Timeout, MemoryLimit); 330ea9212ca964ff6587227016f86a44160e586a4c8Chris Lattner} 331ea9212ca964ff6587227016f86a44160e586a4c8Chris Lattner 3324a10645c70199c8d8567fbc46312158c419720abChris Lattner 3334a10645c70199c8d8567fbc46312158c419720abChris Lattner/// executeProgram - This method runs "Program", capturing the output of the 3344a10645c70199c8d8567fbc46312158c419720abChris Lattner/// program to a file, returning the filename of the file. A recommended 3354a10645c70199c8d8567fbc46312158c419720abChris Lattner/// filename may be optionally specified. 3364a10645c70199c8d8567fbc46312158c419720abChris Lattner/// 33710757dd8e1a66128b205bd04797c8aed0cb7a1bdRafael Espindolastd::string BugDriver::executeProgram(const Module *Program, 33810757dd8e1a66128b205bd04797c8aed0cb7a1bdRafael Espindola std::string OutputFile, 3398ff70c2635bfd4e02c0140a5dc9ca909fffba35aGabor Greif std::string BitcodeFile, 340769f1fe6728ffb5627ae0cedc392576d6e701a5aChris Lattner const std::string &SharedObj, 34122ff748712b348300e51248339b6e8cf9b59e2c6Nick Lewycky AbstractInterpreter *AI, 34213793264e7cbf58e3b7b0cff3baac8e0b7a11a9dRafael Espindola std::string *Error) const { 343769f1fe6728ffb5627ae0cedc392576d6e701a5aChris Lattner if (AI == 0) AI = Interpreter; 344769f1fe6728ffb5627ae0cedc392576d6e701a5aChris Lattner assert(AI && "Interpreter should have been created already!"); 3458ff70c2635bfd4e02c0140a5dc9ca909fffba35aGabor Greif bool CreatedBitcode = false; 34651c5a286bae5ad27ddc49602f44b7ea7253a4cc9Reid Spencer std::string ErrMsg; 3478ff70c2635bfd4e02c0140a5dc9ca909fffba35aGabor Greif if (BitcodeFile.empty()) { 3488ff70c2635bfd4e02c0140a5dc9ca909fffba35aGabor Greif // Emit the program to a bitcode file... 34968ccdaa84909108c42417a8091c771598e26456eDaniel Dunbar sys::Path uniqueFilename(OutputPrefix + "-test-program.bc"); 35051c5a286bae5ad27ddc49602f44b7ea7253a4cc9Reid Spencer if (uniqueFilename.makeUnique(true, &ErrMsg)) { 35165f57c233cd4499e2e8b52a503201e64edfd6a9eDan Gohman errs() << ToolName << ": Error making unique filename: " 35265f57c233cd4499e2e8b52a503201e64edfd6a9eDan Gohman << ErrMsg << "!\n"; 35351c5a286bae5ad27ddc49602f44b7ea7253a4cc9Reid Spencer exit(1); 35451c5a286bae5ad27ddc49602f44b7ea7253a4cc9Reid Spencer } 35574382b7c699120fbec5cb5603c9cf4212eb37f06Chris Lattner BitcodeFile = uniqueFilename.str(); 3564a10645c70199c8d8567fbc46312158c419720abChris Lattner 3578ff70c2635bfd4e02c0140a5dc9ca909fffba35aGabor Greif if (writeProgramToFile(BitcodeFile, Program)) { 35865f57c233cd4499e2e8b52a503201e64edfd6a9eDan Gohman errs() << ToolName << ": Error emitting bitcode to file '" 35965f57c233cd4499e2e8b52a503201e64edfd6a9eDan Gohman << BitcodeFile << "'!\n"; 3604a10645c70199c8d8567fbc46312158c419720abChris Lattner exit(1); 3614a10645c70199c8d8567fbc46312158c419720abChris Lattner } 3628ff70c2635bfd4e02c0140a5dc9ca909fffba35aGabor Greif CreatedBitcode = true; 3634a10645c70199c8d8567fbc46312158c419720abChris Lattner } 3644a10645c70199c8d8567fbc46312158c419720abChris Lattner 3658ff70c2635bfd4e02c0140a5dc9ca909fffba35aGabor Greif // Remove the temporary bitcode file when we are done. 36616350f8d00fc3a4a8d2da8a746a29979505af9a8Nick Lewycky sys::Path BitcodePath(BitcodeFile); 367c9c08fb3a7fb5e8ea3e1477a88507704c7a70ba1Michael J. Spencer FileRemover BitcodeFileRemover(BitcodePath.str(), 368c9c08fb3a7fb5e8ea3e1477a88507704c7a70ba1Michael J. Spencer CreatedBitcode && !SaveTemps); 3699709272675feaca030cce14d0f5eb7f342b3fc1dChris Lattner 37068ccdaa84909108c42417a8091c771598e26456eDaniel Dunbar if (OutputFile.empty()) OutputFile = OutputPrefix + "-execution-output"; 3715073336cd4da5df4ae13a167582d1dc90f32e4e0Misha Brukman 3724a10645c70199c8d8567fbc46312158c419720abChris Lattner // Check to see if this is a valid output filename... 37397182985d530dbef488696c95a39c14fe56c995bReid Spencer sys::Path uniqueFile(OutputFile); 37451c5a286bae5ad27ddc49602f44b7ea7253a4cc9Reid Spencer if (uniqueFile.makeUnique(true, &ErrMsg)) { 37565f57c233cd4499e2e8b52a503201e64edfd6a9eDan Gohman errs() << ToolName << ": Error making unique filename: " 37665f57c233cd4499e2e8b52a503201e64edfd6a9eDan Gohman << ErrMsg << "\n"; 37751c5a286bae5ad27ddc49602f44b7ea7253a4cc9Reid Spencer exit(1); 37851c5a286bae5ad27ddc49602f44b7ea7253a4cc9Reid Spencer } 37974382b7c699120fbec5cb5603c9cf4212eb37f06Chris Lattner OutputFile = uniqueFile.str(); 3804a10645c70199c8d8567fbc46312158c419720abChris Lattner 381769f1fe6728ffb5627ae0cedc392576d6e701a5aChris Lattner // Figure out which shared objects to run, if any. 3827dac658792425c10274594782d6fcf10208a16f0Chris Lattner std::vector<std::string> SharedObjs(AdditionalSOs); 383769f1fe6728ffb5627ae0cedc392576d6e701a5aChris Lattner if (!SharedObj.empty()) 384769f1fe6728ffb5627ae0cedc392576d6e701a5aChris Lattner SharedObjs.push_back(SharedObj); 385769f1fe6728ffb5627ae0cedc392576d6e701a5aChris Lattner 38622ff748712b348300e51248339b6e8cf9b59e2c6Nick Lewycky int RetVal = AI->ExecuteProgram(BitcodeFile, InputArgv, InputFile, OutputFile, 38722ff748712b348300e51248339b6e8cf9b59e2c6Nick Lewycky Error, AdditionalLinkerArgs, SharedObjs, 38870ef449741da8b1ef035e04a55958652a0200ba1Dan Gohman Timeout, MemoryLimit); 38922ff748712b348300e51248339b6e8cf9b59e2c6Nick Lewycky if (!Error->empty()) 39022ff748712b348300e51248339b6e8cf9b59e2c6Nick Lewycky return OutputFile; 3917d91e49ff7bcc0fd10a54d45a6185bb05adf3d20Chris Lattner 3927d91e49ff7bcc0fd10a54d45a6185bb05adf3d20Chris Lattner if (RetVal == -1) { 39365f57c233cd4499e2e8b52a503201e64edfd6a9eDan Gohman errs() << "<timeout>"; 3947d91e49ff7bcc0fd10a54d45a6185bb05adf3d20Chris Lattner static bool FirstTimeout = true; 3957d91e49ff7bcc0fd10a54d45a6185bb05adf3d20Chris Lattner if (FirstTimeout) { 396ac95cc79ac0b899d566cc29c0f646f39c2fa35c0Dan Gohman outs() << "\n" 3977d91e49ff7bcc0fd10a54d45a6185bb05adf3d20Chris Lattner "*** Program execution timed out! This mechanism is designed to handle\n" 3987d91e49ff7bcc0fd10a54d45a6185bb05adf3d20Chris Lattner " programs stuck in infinite loops gracefully. The -timeout option\n" 3997d91e49ff7bcc0fd10a54d45a6185bb05adf3d20Chris Lattner " can be used to change the timeout threshold or disable it completely\n" 4007d91e49ff7bcc0fd10a54d45a6185bb05adf3d20Chris Lattner " (with -timeout=0). This message is only displayed once.\n"; 4017d91e49ff7bcc0fd10a54d45a6185bb05adf3d20Chris Lattner FirstTimeout = false; 4027d91e49ff7bcc0fd10a54d45a6185bb05adf3d20Chris Lattner } 4037d91e49ff7bcc0fd10a54d45a6185bb05adf3d20Chris Lattner } 404769f1fe6728ffb5627ae0cedc392576d6e701a5aChris Lattner 4055e1452c856a8bcf39ab7a67a5af946c8162f942dReid Spencer if (AppendProgramExitCode) { 4065e1452c856a8bcf39ab7a67a5af946c8162f942dReid Spencer std::ofstream outFile(OutputFile.c_str(), std::ios_base::app); 4075e1452c856a8bcf39ab7a67a5af946c8162f942dReid Spencer outFile << "exit " << RetVal << '\n'; 4085e1452c856a8bcf39ab7a67a5af946c8162f942dReid Spencer outFile.close(); 4095e1452c856a8bcf39ab7a67a5af946c8162f942dReid Spencer } 4105e1452c856a8bcf39ab7a67a5af946c8162f942dReid Spencer 4114a10645c70199c8d8567fbc46312158c419720abChris Lattner // Return the filename we captured the output to. 4124a10645c70199c8d8567fbc46312158c419720abChris Lattner return OutputFile; 4134a10645c70199c8d8567fbc46312158c419720abChris Lattner} 4144a10645c70199c8d8567fbc46312158c419720abChris Lattner 41570ef449741da8b1ef035e04a55958652a0200ba1Dan Gohman/// executeProgramSafely - Used to create reference output with the "safe" 416c5cad211d6ec50fe90a0a716dee701c6c4721385Brian Gaeke/// backend, if reference output is not provided. 417c5cad211d6ec50fe90a0a716dee701c6c4721385Brian Gaeke/// 41810757dd8e1a66128b205bd04797c8aed0cb7a1bdRafael Espindolastd::string BugDriver::executeProgramSafely(const Module *Program, 41910757dd8e1a66128b205bd04797c8aed0cb7a1bdRafael Espindola std::string OutputFile, 42013793264e7cbf58e3b7b0cff3baac8e0b7a11a9dRafael Espindola std::string *Error) const { 42110757dd8e1a66128b205bd04797c8aed0cb7a1bdRafael Espindola return executeProgram(Program, OutputFile, "", "", SafeInterpreter, Error); 422c5cad211d6ec50fe90a0a716dee701c6c4721385Brian Gaeke} 4235073336cd4da5df4ae13a167582d1dc90f32e4e0Misha Brukman 42422ff748712b348300e51248339b6e8cf9b59e2c6Nick Lewyckystd::string BugDriver::compileSharedObject(const std::string &BitcodeFile, 42522ff748712b348300e51248339b6e8cf9b59e2c6Nick Lewycky std::string &Error) { 4265073336cd4da5df4ae13a167582d1dc90f32e4e0Misha Brukman assert(Interpreter && "Interpreter should have been created already!"); 427c600f3c337f18c62116ac58b701e4f7ae6d2fb1aChris Lattner sys::Path OutputFile; 4285073336cd4da5df4ae13a167582d1dc90f32e4e0Misha Brukman 42970ef449741da8b1ef035e04a55958652a0200ba1Dan Gohman // Using the known-good backend. 43022ff748712b348300e51248339b6e8cf9b59e2c6Nick Lewycky GCC::FileType FT = SafeInterpreter->OutputCode(BitcodeFile, OutputFile, 43122ff748712b348300e51248339b6e8cf9b59e2c6Nick Lewycky Error); 43222ff748712b348300e51248339b6e8cf9b59e2c6Nick Lewycky if (!Error.empty()) 43322ff748712b348300e51248339b6e8cf9b59e2c6Nick Lewycky return ""; 4345073336cd4da5df4ae13a167582d1dc90f32e4e0Misha Brukman 435a0f5b15e1eb8642d92b3141a6b88a5729ea979dcChris Lattner std::string SharedObjectFile; 43622ff748712b348300e51248339b6e8cf9b59e2c6Nick Lewycky bool Failure = gcc->MakeSharedObject(OutputFile.str(), FT, SharedObjectFile, 43722ff748712b348300e51248339b6e8cf9b59e2c6Nick Lewycky AdditionalLinkerArgs, Error); 43822ff748712b348300e51248339b6e8cf9b59e2c6Nick Lewycky if (!Error.empty()) 43922ff748712b348300e51248339b6e8cf9b59e2c6Nick Lewycky return ""; 44022ff748712b348300e51248339b6e8cf9b59e2c6Nick Lewycky if (Failure) 441a0f5b15e1eb8642d92b3141a6b88a5729ea979dcChris Lattner exit(1); 4425073336cd4da5df4ae13a167582d1dc90f32e4e0Misha Brukman 4435073336cd4da5df4ae13a167582d1dc90f32e4e0Misha Brukman // Remove the intermediate C file 444c600f3c337f18c62116ac58b701e4f7ae6d2fb1aChris Lattner OutputFile.eraseFromDisk(); 4455073336cd4da5df4ae13a167582d1dc90f32e4e0Misha Brukman 4466ebe44d22f6dd1ab9f7aa1f3cfd02be52145d535Chris Lattner return "./" + SharedObjectFile; 4475073336cd4da5df4ae13a167582d1dc90f32e4e0Misha Brukman} 4485073336cd4da5df4ae13a167582d1dc90f32e4e0Misha Brukman 4496a3f31cb707972ebde1e45a61fa8f5bcff132ebaPatrick Jenkins/// createReferenceFile - calls compileProgram and then records the output 450de86cbdc57f30621d3692da7a36613bb623d13b5Andrew Trick/// into ReferenceOutputFile. Returns true if reference file created, false 4516a3f31cb707972ebde1e45a61fa8f5bcff132ebaPatrick Jenkins/// otherwise. Note: initializeExecutionEnvironment should be called BEFORE 4526a3f31cb707972ebde1e45a61fa8f5bcff132ebaPatrick Jenkins/// this function. 4536a3f31cb707972ebde1e45a61fa8f5bcff132ebaPatrick Jenkins/// 454c600f3c337f18c62116ac58b701e4f7ae6d2fb1aChris Lattnerbool BugDriver::createReferenceFile(Module *M, const std::string &Filename) { 45522ff748712b348300e51248339b6e8cf9b59e2c6Nick Lewycky std::string Error; 45622ff748712b348300e51248339b6e8cf9b59e2c6Nick Lewycky compileProgram(Program, &Error); 45722ff748712b348300e51248339b6e8cf9b59e2c6Nick Lewycky if (!Error.empty()) 4586a3f31cb707972ebde1e45a61fa8f5bcff132ebaPatrick Jenkins return false; 45922ff748712b348300e51248339b6e8cf9b59e2c6Nick Lewycky 46010757dd8e1a66128b205bd04797c8aed0cb7a1bdRafael Espindola ReferenceOutputFile = executeProgramSafely(Program, Filename, &Error); 46122ff748712b348300e51248339b6e8cf9b59e2c6Nick Lewycky if (!Error.empty()) { 46222ff748712b348300e51248339b6e8cf9b59e2c6Nick Lewycky errs() << Error; 46370ef449741da8b1ef035e04a55958652a0200ba1Dan Gohman if (Interpreter != SafeInterpreter) { 46465f57c233cd4499e2e8b52a503201e64edfd6a9eDan Gohman errs() << "*** There is a bug running the \"safe\" backend. Either" 46565f57c233cd4499e2e8b52a503201e64edfd6a9eDan Gohman << " debug it (for example with the -run-cbe bugpoint option," 46665f57c233cd4499e2e8b52a503201e64edfd6a9eDan Gohman << " if CBE is being used as the \"safe\" backend), or fix the" 46765f57c233cd4499e2e8b52a503201e64edfd6a9eDan Gohman << " error some other way.\n"; 4686a3f31cb707972ebde1e45a61fa8f5bcff132ebaPatrick Jenkins } 4696a3f31cb707972ebde1e45a61fa8f5bcff132ebaPatrick Jenkins return false; 4706a3f31cb707972ebde1e45a61fa8f5bcff132ebaPatrick Jenkins } 47122ff748712b348300e51248339b6e8cf9b59e2c6Nick Lewycky outs() << "\nReference output is: " << ReferenceOutputFile << "\n\n"; 4726a3f31cb707972ebde1e45a61fa8f5bcff132ebaPatrick Jenkins return true; 4736a3f31cb707972ebde1e45a61fa8f5bcff132ebaPatrick Jenkins} 4745073336cd4da5df4ae13a167582d1dc90f32e4e0Misha Brukman 4756a3f31cb707972ebde1e45a61fa8f5bcff132ebaPatrick Jenkins/// diffProgram - This method executes the specified module and diffs the 4766a3f31cb707972ebde1e45a61fa8f5bcff132ebaPatrick Jenkins/// output against the file specified by ReferenceOutputFile. If the output 47722ff748712b348300e51248339b6e8cf9b59e2c6Nick Lewycky/// is different, 1 is returned. If there is a problem with the code 4787c863eb8cc34c8ae97ae90672758eb6637b1125fAndrew Trick/// generator (e.g., llc crashes), this will set ErrMsg. 4794a10645c70199c8d8567fbc46312158c419720abChris Lattner/// 48010757dd8e1a66128b205bd04797c8aed0cb7a1bdRafael Espindolabool BugDriver::diffProgram(const Module *Program, 48110757dd8e1a66128b205bd04797c8aed0cb7a1bdRafael Espindola const std::string &BitcodeFile, 4825073336cd4da5df4ae13a167582d1dc90f32e4e0Misha Brukman const std::string &SharedObject, 48322ff748712b348300e51248339b6e8cf9b59e2c6Nick Lewycky bool RemoveBitcode, 48413793264e7cbf58e3b7b0cff3baac8e0b7a11a9dRafael Espindola std::string *ErrMsg) const { 4854a10645c70199c8d8567fbc46312158c419720abChris Lattner // Execute the program, generating an output file... 48610757dd8e1a66128b205bd04797c8aed0cb7a1bdRafael Espindola sys::Path Output(executeProgram(Program, "", BitcodeFile, SharedObject, 0, 48710757dd8e1a66128b205bd04797c8aed0cb7a1bdRafael Espindola ErrMsg)); 48822ff748712b348300e51248339b6e8cf9b59e2c6Nick Lewycky if (!ErrMsg->empty()) 48922ff748712b348300e51248339b6e8cf9b59e2c6Nick Lewycky return false; 490c5cad211d6ec50fe90a0a716dee701c6c4721385Brian Gaeke 49165f62790d6e3e7f7ceb9cd12a7a51a66d95a3b03Chris Lattner std::string Error; 4924a10645c70199c8d8567fbc46312158c419720abChris Lattner bool FilesDifferent = false; 493a328c51bb99666ee0c045a57ea6d6ce2b0198f9bChris Lattner if (int Diff = DiffFilesWithTolerance(sys::Path(ReferenceOutputFile), 49474382b7c699120fbec5cb5603c9cf4212eb37f06Chris Lattner sys::Path(Output.str()), 495a328c51bb99666ee0c045a57ea6d6ce2b0198f9bChris Lattner AbsTolerance, RelTolerance, &Error)) { 496a328c51bb99666ee0c045a57ea6d6ce2b0198f9bChris Lattner if (Diff == 2) { 49765f57c233cd4499e2e8b52a503201e64edfd6a9eDan Gohman errs() << "While diffing output: " << Error << '\n'; 49865f62790d6e3e7f7ceb9cd12a7a51a66d95a3b03Chris Lattner exit(1); 49965f62790d6e3e7f7ceb9cd12a7a51a66d95a3b03Chris Lattner } 50065f62790d6e3e7f7ceb9cd12a7a51a66d95a3b03Chris Lattner FilesDifferent = true; 50165f62790d6e3e7f7ceb9cd12a7a51a66d95a3b03Chris Lattner } 50280becf194d56524e8c75618ac57a34520f87a684David Goodwin else { 50380becf194d56524e8c75618ac57a34520f87a684David Goodwin // Remove the generated output if there are no differences. 50480becf194d56524e8c75618ac57a34520f87a684David Goodwin Output.eraseFromDisk(); 50580becf194d56524e8c75618ac57a34520f87a684David Goodwin } 5064a10645c70199c8d8567fbc46312158c419720abChris Lattner 5078ff70c2635bfd4e02c0140a5dc9ca909fffba35aGabor Greif // Remove the bitcode file if we are supposed to. 5088ff70c2635bfd4e02c0140a5dc9ca909fffba35aGabor Greif if (RemoveBitcode) 5098ff70c2635bfd4e02c0140a5dc9ca909fffba35aGabor Greif sys::Path(BitcodeFile).eraseFromDisk(); 5104a10645c70199c8d8567fbc46312158c419720abChris Lattner return FilesDifferent; 5114a10645c70199c8d8567fbc46312158c419720abChris Lattner} 51291eabc13d3a456cc4b387d3d7fdb041d976732c7Misha Brukman 51391eabc13d3a456cc4b387d3d7fdb041d976732c7Misha Brukmanbool BugDriver::isExecutingJIT() { 51491eabc13d3a456cc4b387d3d7fdb041d976732c7Misha Brukman return InterpreterSel == RunJIT; 51591eabc13d3a456cc4b387d3d7fdb041d976732c7Misha Brukman} 516d0fde30ce850b78371fd1386338350591f9ff494Brian Gaeke 517