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https://github.com/c64scene-ar/llvm-6502.git
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Revert bugpoint change due to buildbot breakage.
--- Reverse-merging r110333 into '.': U tools/bugpoint/BugDriver.h U tools/bugpoint/OptimizerDriver.cpp U tools/bugpoint/bugpoint.cpp U tools/bugpoint/BugDriver.cpp git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@110341 91177308-0d34-0410-b5e6-96231b3b80d8
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@ -66,12 +66,12 @@ std::string llvm::getPassesString(const std::vector<const PassInfo*> &Passes) {
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return Result;
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}
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BugDriver::BugDriver(const char *toolname, bool find_bugs,
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BugDriver::BugDriver(const char *toolname, bool as_child, bool find_bugs,
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unsigned timeout, unsigned memlimit, bool use_valgrind,
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LLVMContext& ctxt)
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: Context(ctxt), ToolName(toolname), ReferenceOutputFile(OutputFile),
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Program(0), Interpreter(0), SafeInterpreter(0), gcc(0),
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run_find_bugs(find_bugs), Timeout(timeout),
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run_as_child(as_child), run_find_bugs(find_bugs), Timeout(timeout),
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MemoryLimit(memlimit), UseValgrind(use_valgrind) {}
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BugDriver::~BugDriver() {
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@ -119,13 +119,15 @@ bool BugDriver::addSources(const std::vector<std::string> &Filenames) {
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Program = ParseInputFile(Filenames[0], Context);
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if (Program == 0) return true;
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outs() << "Read input file : '" << Filenames[0] << "'\n";
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if (!run_as_child)
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outs() << "Read input file : '" << Filenames[0] << "'\n";
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for (unsigned i = 1, e = Filenames.size(); i != e; ++i) {
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std::auto_ptr<Module> M(ParseInputFile(Filenames[i], Context));
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if (M.get() == 0) return true;
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outs() << "Linking in input file: '" << Filenames[i] << "'\n";
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if (!run_as_child)
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outs() << "Linking in input file: '" << Filenames[i] << "'\n";
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std::string ErrorMessage;
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if (Linker::LinkModules(Program, M.get(), &ErrorMessage)) {
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errs() << ToolName << ": error linking in '" << Filenames[i] << "': "
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@ -134,7 +136,8 @@ bool BugDriver::addSources(const std::vector<std::string> &Filenames) {
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}
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}
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outs() << "*** All input ok\n";
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if (!run_as_child)
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outs() << "*** All input ok\n";
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// All input files read successfully!
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return false;
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@ -146,6 +149,14 @@ bool BugDriver::addSources(const std::vector<std::string> &Filenames) {
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/// variables are set up from command line arguments.
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///
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bool BugDriver::run(std::string &ErrMsg) {
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// The first thing to do is determine if we're running as a child. If we are,
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// then what to do is very narrow. This form of invocation is only called
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// from the runPasses method to actually run those passes in a child process.
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if (run_as_child) {
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// Execute the passes
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return runPassesAsChild(PassesToRun);
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}
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if (run_find_bugs) {
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// Rearrange the passes and apply them to the program. Repeat this process
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// until the user kills the program or we find a bug.
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@ -51,6 +51,7 @@ class BugDriver {
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AbstractInterpreter *Interpreter; // How to run the program
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AbstractInterpreter *SafeInterpreter; // To generate reference output, etc.
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GCC *gcc;
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bool run_as_child;
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bool run_find_bugs;
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unsigned Timeout;
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unsigned MemoryLimit;
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@ -61,7 +62,7 @@ class BugDriver {
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friend class ReduceMisCodegenFunctions;
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public:
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BugDriver(const char *toolname, bool find_bugs,
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BugDriver(const char *toolname, bool as_child, bool find_bugs,
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unsigned timeout, unsigned memlimit, bool use_valgrind,
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LLVMContext& ctxt);
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~BugDriver();
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@ -289,6 +290,9 @@ private:
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return runPasses(M, PassesToRun, Filename, DeleteOutput);
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}
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/// runAsChild - The actual "runPasses" guts that runs in a child process.
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int runPassesAsChild(const std::vector<const PassInfo*> &PassesToRun);
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/// initializeExecutionEnvironment - This method is used to set up the
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/// environment for executing LLVM programs.
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///
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@ -27,7 +27,6 @@
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#include "llvm/Target/TargetData.h"
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#include "llvm/Support/FileUtilities.h"
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#include "llvm/Support/CommandLine.h"
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#include "llvm/Support/Debug.h"
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#include "llvm/Support/raw_ostream.h"
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#include "llvm/System/Path.h"
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#include "llvm/System/Program.h"
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@ -86,6 +85,37 @@ void BugDriver::EmitProgressBitcode(const Module *M,
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outs() << getPassesString(PassesToRun) << "\n";
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}
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int BugDriver::runPassesAsChild(const std::vector<const PassInfo*> &Passes) {
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std::string ErrInfo;
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raw_fd_ostream OutFile(ChildOutput.c_str(), ErrInfo,
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raw_fd_ostream::F_Binary);
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if (!ErrInfo.empty()) {
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errs() << "Error opening bitcode file: " << ChildOutput << "\n";
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return 1;
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}
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PassManager PM;
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// Make sure that the appropriate target data is always used...
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PM.add(new TargetData(Program));
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for (unsigned i = 0, e = Passes.size(); i != e; ++i) {
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if (Passes[i]->getNormalCtor())
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PM.add(Passes[i]->getNormalCtor()());
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else
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errs() << "Cannot create pass yet: " << Passes[i]->getPassName() << "\n";
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}
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// Check that the module is well formed on completion of optimization
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PM.add(createVerifierPass());
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// Write bitcode out to disk as the last step...
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PM.add(createBitcodeWriterPass(OutFile));
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// Run all queued passes.
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PM.run(*Program);
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return 0;
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}
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cl::opt<bool> SilencePasses("silence-passes", cl::desc("Suppress output of running passes (both stdout and stderr)"));
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/// runPasses - Run the specified passes on Program, outputting a bitcode file
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@ -134,25 +164,17 @@ bool BugDriver::runPasses(Module *Program,
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// setup the child process' arguments
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SmallVector<const char*, 8> Args;
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std::string Opt;
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llvm::StringRef TN(ToolName);
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if (TN.find('/') == llvm::StringRef::npos) {
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Opt = ToolName;
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} else {
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std::pair<llvm::StringRef, llvm::StringRef> P = TN.rsplit('/');
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Opt = P.first.str() + "/" + "opt";
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}
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sys::Path tool = sys::Program::FindProgramByName(Opt);
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sys::Path tool = sys::Program::FindProgramByName(ToolName);
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if (UseValgrind) {
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Args.push_back("valgrind");
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Args.push_back("--error-exitcode=1");
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Args.push_back("-q");
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Args.push_back(tool.c_str());
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} else
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Args.push_back(Opt.c_str());
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Args.push_back(ToolName);
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Args.push_back("-o");
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Args.push_back("-as-child");
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Args.push_back("-child-output");
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Args.push_back(OutputFilename.c_str());
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std::vector<std::string> pass_args;
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for (unsigned i = 0, e = PluginLoader::getNumPlugins(); i != e; ++i) {
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@ -170,12 +192,6 @@ bool BugDriver::runPasses(Module *Program,
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Args.push_back(*ExtraArgs);
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Args.push_back(0);
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DEBUG(errs() << "\nAbout to run:\t";
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for (unsigned i = 0, e = Args.size()-1; i != e; ++i)
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errs() << " " << Args[i];
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errs() << "\n";
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);
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sys::Path prog;
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if (UseValgrind)
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prog = sys::Program::FindProgramByName("valgrind");
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@ -29,6 +29,13 @@
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#include "llvm/LinkAllVMCore.h"
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using namespace llvm;
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// AsChild - Specifies that this invocation of bugpoint is being generated
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// from a parent process. It is not intended to be used by users so the
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// option is hidden.
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static cl::opt<bool>
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AsChild("as-child", cl::desc("Run bugpoint as child process"),
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cl::ReallyHidden);
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static cl::opt<bool>
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FindBugs("find-bugs", cl::desc("Run many different optimization sequences "
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"on program to find bugs"), cl::init(false));
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@ -116,7 +123,7 @@ int main(int argc, char **argv) {
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MemoryLimit = 100;
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}
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BugDriver D(argv[0], FindBugs, TimeoutValue, MemoryLimit,
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BugDriver D(argv[0], AsChild, FindBugs, TimeoutValue, MemoryLimit,
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UseValgrind, Context);
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if (D.addSources(InputFilenames)) return 1;
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