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author | Chris Lattner <sabre@nondot.org> | 2006-09-15 21:29:15 +0000 |
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committer | Chris Lattner <sabre@nondot.org> | 2006-09-15 21:29:15 +0000 |
commit | c600f3c337f18c62116ac58b701e4f7ae6d2fb1a (patch) | |
tree | c49a64394e4f4a1c963d585efc2b056ce8fb4c6b /tools/bugpoint/ExecutionDriver.cpp | |
parent | cbce2f6c1b5b63b16b856f80e6fc026764b4eab4 (diff) | |
download | external_llvm-c600f3c337f18c62116ac58b701e4f7ae6d2fb1a.zip external_llvm-c600f3c337f18c62116ac58b701e4f7ae6d2fb1a.tar.gz external_llvm-c600f3c337f18c62116ac58b701e4f7ae6d2fb1a.tar.bz2 |
Add a new -cbe-bug mode, which works just like -run-llc, except that it uses
LLC as the reference compiler to reduce testcases for bugs in GCC.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30400 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'tools/bugpoint/ExecutionDriver.cpp')
-rw-r--r-- | tools/bugpoint/ExecutionDriver.cpp | 47 |
1 files changed, 24 insertions, 23 deletions
diff --git a/tools/bugpoint/ExecutionDriver.cpp b/tools/bugpoint/ExecutionDriver.cpp index 2f75f62..f71d7ba 100644 --- a/tools/bugpoint/ExecutionDriver.cpp +++ b/tools/bugpoint/ExecutionDriver.cpp @@ -28,7 +28,7 @@ namespace { // for miscompilation. // enum OutputType { - AutoPick, RunLLI, RunJIT, RunLLC, RunCBE + AutoPick, RunLLI, RunJIT, RunLLC, RunCBE, CBE_bug }; cl::opt<double> @@ -46,6 +46,7 @@ namespace { clEnumValN(RunJIT, "run-jit", "Execute with JIT"), clEnumValN(RunLLC, "run-llc", "Compile with LLC"), clEnumValN(RunCBE, "run-cbe", "Compile with CBE"), + clEnumValN(CBE_bug,"cbe-bug", "Find CBE bugs"), clEnumValEnd), cl::init(AutoPick)); @@ -133,8 +134,9 @@ bool BugDriver::initializeExecutionEnvironment() { &ToolArgv); break; case RunCBE: - Interpreter = cbe = AbstractInterpreter::createCBE(getToolName(), Message, - &ToolArgv); + case CBE_bug: + Interpreter = AbstractInterpreter::createCBE(getToolName(), Message, + &ToolArgv); break; default: Message = "Sorry, this back-end is not supported by bugpoint right now!\n"; @@ -143,10 +145,19 @@ bool BugDriver::initializeExecutionEnvironment() { std::cerr << Message; // Initialize auxiliary tools for debugging - if (!cbe) { + if (InterpreterSel == RunCBE) { + // We already created a CBE, reuse it. + cbe = Interpreter; + } else if (InterpreterSel == CBE_bug) { + // We want to debug the CBE itself. Use LLC as the 'known-good' compiler. + std::vector<std::string> ToolArgs; + ToolArgs.push_back("--relocation-model=pic"); + cbe = AbstractInterpreter::createLLC(getToolName(), Message, &ToolArgs); + } else { cbe = AbstractInterpreter::createCBE(getToolName(), Message, &ToolArgv); - if (!cbe) { std::cout << Message << "\nExiting.\n"; exit(1); } } + if (!cbe) { std::cout << Message << "\nExiting.\n"; exit(1); } + gcc = GCC::create(getToolName(), Message); if (!gcc) { std::cout << Message << "\nExiting.\n"; exit(1); } @@ -237,7 +248,8 @@ std::string BugDriver::executeProgram(std::string OutputFile, // compile the program. If so, we should pass the user's -Xlinker options // as the GCCArgs. int RetVal = 0; - if (InterpreterSel == RunLLC || InterpreterSel == RunCBE) + if (InterpreterSel == RunLLC || InterpreterSel == RunCBE || + InterpreterSel == CBE_bug) RetVal = AI->ExecuteProgram(BytecodeFile, InputArgv, InputFile, OutputFile, AdditionalLinkerArgs, SharedObjs, Timeout); @@ -271,8 +283,7 @@ std::string BugDriver::executeProgram(std::string OutputFile, /// std::string BugDriver::executeProgramWithCBE(std::string OutputFile) { bool ProgramExitedNonzero; - std::string outFN = executeProgram(OutputFile, "", "", - (AbstractInterpreter*)cbe, + std::string outFN = executeProgram(OutputFile, "", "", cbe, &ProgramExitedNonzero); if (ProgramExitedNonzero) { std::cerr @@ -285,28 +296,18 @@ std::string BugDriver::executeProgramWithCBE(std::string OutputFile) { std::string BugDriver::compileSharedObject(const std::string &BytecodeFile) { assert(Interpreter && "Interpreter should have been created already!"); - sys::Path OutputCFile; + sys::Path OutputFile; // Using CBE - cbe->OutputC(BytecodeFile, OutputCFile); - -#if 0 /* This is an alternative, as yet unimplemented */ - // Using LLC - std::string Message; - LLC *llc = createLLCtool(Message); - if (llc->OutputAsm(BytecodeFile, OutputFile)) { - std::cerr << "Could not generate asm code with `llc', exiting.\n"; - exit(1); - } -#endif + GCC::FileType FT = cbe->OutputCode(BytecodeFile, OutputFile); std::string SharedObjectFile; - if (gcc->MakeSharedObject(OutputCFile.toString(), GCC::CFile, + if (gcc->MakeSharedObject(OutputFile.toString(), FT, SharedObjectFile, AdditionalLinkerArgs)) exit(1); // Remove the intermediate C file - OutputCFile.eraseFromDisk(); + OutputFile.eraseFromDisk(); return "./" + SharedObjectFile; } @@ -316,7 +317,7 @@ std::string BugDriver::compileSharedObject(const std::string &BytecodeFile) { /// otherwise. Note: initializeExecutionEnvironment should be called BEFORE /// this function. /// -bool BugDriver::createReferenceFile(Module *M, const std::string &Filename){ +bool BugDriver::createReferenceFile(Module *M, const std::string &Filename) { try { compileProgram(Program); } catch (ToolExecutionError &TEE) { |