#include "BugDriver.h"
#include "ToolRunner.h"
+#include "llvm/IR/LLVMContext.h"
+#include "llvm/IR/LegacyPassManager.h"
+#include "llvm/IR/LegacyPassNameParser.h"
+#include "llvm/LinkAllIR.h"
#include "llvm/LinkAllPasses.h"
-#include "llvm/LLVMContext.h"
-#include "llvm/Support/PassNameParser.h"
#include "llvm/Support/CommandLine.h"
#include "llvm/Support/ManagedStatic.h"
#include "llvm/Support/PluginLoader.h"
#include "llvm/Support/PrettyStackTrace.h"
-#include "llvm/Support/StandardPasses.h"
-#include "llvm/System/Process.h"
-#include "llvm/System/Signals.h"
-#include "llvm/System/Valgrind.h"
-#include "llvm/LinkAllVMCore.h"
+#include "llvm/Support/Process.h"
+#include "llvm/Support/Signals.h"
+#include "llvm/Support/Valgrind.h"
+#include "llvm/Transforms/IPO/PassManagerBuilder.h"
+
+//Enable this macro to debug bugpoint itself.
+//#define DEBUG_BUGPOINT 1
+
using namespace llvm;
-static cl::opt<bool>
+static cl::opt<bool>
FindBugs("find-bugs", cl::desc("Run many different optimization sequences "
"on program to find bugs"), cl::init(false));
static cl::opt<int>
MemoryLimit("mlimit", cl::init(-1), cl::value_desc("MBytes"),
- cl::desc("Maximum amount of memory to use. 0 disables check."
- " Defaults to 100MB (800MB under valgrind)."));
+ cl::desc("Maximum amount of memory to use. 0 disables check."
+ " Defaults to 400MB (800MB under valgrind)."));
static cl::opt<bool>
UseValgrind("enable-valgrind",
PassList(cl::desc("Passes available:"), cl::ZeroOrMore);
static cl::opt<bool>
-StandardCompileOpts("std-compile-opts",
- cl::desc("Include the standard compile time optimizations"));
+StandardLinkOpts("std-link-opts",
+ cl::desc("Include the standard link time optimizations"));
static cl::opt<bool>
-StandardLinkOpts("std-link-opts",
- cl::desc("Include the standard link time optimizations"));
+OptLevelO1("O1",
+ cl::desc("Optimization level 1. Identical to 'opt -O1'"));
+
+static cl::opt<bool>
+OptLevelO2("O2",
+ cl::desc("Optimization level 2. Identical to 'opt -O2'"));
+
+static cl::opt<bool>
+OptLevelO3("O3",
+ cl::desc("Optimization level 3. Identical to 'opt -O3'"));
static cl::opt<std::string>
OverrideTriple("mtriple", cl::desc("Override target triple for module"));
/// BugpointIsInterrupted - Set to true when the user presses ctrl-c.
bool llvm::BugpointIsInterrupted = false;
+#ifndef DEBUG_BUGPOINT
static void BugpointInterruptFunction() {
BugpointIsInterrupted = true;
}
+#endif
// Hack to capture a pass list.
namespace {
- class AddToDriver : public PassManager {
+ class AddToDriver : public legacy::FunctionPassManager {
BugDriver &D;
public:
- AddToDriver(BugDriver &_D) : D(_D) {}
-
- virtual void add(Pass *P) {
- const PassInfo *PI = P->getPassInfo();
- D.addPasses(&PI, &PI + 1);
+ AddToDriver(BugDriver &_D) : FunctionPassManager(nullptr), D(_D) {}
+
+ void add(Pass *P) override {
+ const void *ID = P->getPassID();
+ const PassInfo *PI = PassRegistry::getPassRegistry()->getPassInfo(ID);
+ D.addPass(PI->getPassArgument());
}
};
}
+#ifdef LINK_POLLY_INTO_TOOLS
+namespace polly {
+void initializePollyPasses(llvm::PassRegistry &Registry);
+}
+#endif
+
int main(int argc, char **argv) {
+#ifndef DEBUG_BUGPOINT
llvm::sys::PrintStackTraceOnErrorSignal();
llvm::PrettyStackTraceProgram X(argc, argv);
llvm_shutdown_obj Y; // Call llvm_shutdown() on exit.
+#endif
+
+ // Initialize passes
+ PassRegistry &Registry = *PassRegistry::getPassRegistry();
+ initializeCore(Registry);
+ initializeScalarOpts(Registry);
+ initializeObjCARCOpts(Registry);
+ initializeVectorization(Registry);
+ initializeIPO(Registry);
+ initializeAnalysis(Registry);
+ initializeTransformUtils(Registry);
+ initializeInstCombine(Registry);
+ initializeInstrumentation(Registry);
+ initializeTarget(Registry);
+
+#ifdef LINK_POLLY_INTO_TOOLS
+ polly::initializePollyPasses(Registry);
+#endif
+
cl::ParseCommandLineOptions(argc, argv,
"LLVM automatic testcase reducer. See\nhttp://"
"llvm.org/cmds/bugpoint.html"
" for more information.\n");
+#ifndef DEBUG_BUGPOINT
sys::SetInterruptFunction(BugpointInterruptFunction);
+#endif
LLVMContext& Context = getGlobalContext();
// If we have an override, set it and then track the triple we want Modules
// to use.
if (!OverrideTriple.empty()) {
- TargetTriple.setTriple(OverrideTriple);
- outs() << "Override triple set to '" << OverrideTriple << "'\n";
+ TargetTriple.setTriple(Triple::normalize(OverrideTriple));
+ outs() << "Override triple set to '" << TargetTriple.getTriple() << "'\n";
}
if (MemoryLimit < 0) {
if (sys::RunningOnValgrind() || UseValgrind)
MemoryLimit = 800;
else
- MemoryLimit = 100;
+ MemoryLimit = 400;
}
BugDriver D(argv[0], FindBugs, TimeoutValue, MemoryLimit,
UseValgrind, Context);
if (D.addSources(InputFilenames)) return 1;
-
+
AddToDriver PM(D);
- if (StandardCompileOpts) {
- createStandardModulePasses(&PM, 3,
- /*OptimizeSize=*/ false,
- /*UnitAtATime=*/ true,
- /*UnrollLoops=*/ true,
- /*SimplifyLibCalls=*/ true,
- /*HaveExceptions=*/ true,
- createFunctionInliningPass());
+
+ if (StandardLinkOpts) {
+ PassManagerBuilder Builder;
+ Builder.Inliner = createFunctionInliningPass();
+ Builder.populateLTOPassManager(PM);
+ }
+
+ if (OptLevelO1 || OptLevelO2 || OptLevelO3) {
+ PassManagerBuilder Builder;
+ if (OptLevelO1)
+ Builder.Inliner = createAlwaysInlinerPass();
+ else if (OptLevelO2)
+ Builder.Inliner = createFunctionInliningPass(225);
+ else
+ Builder.Inliner = createFunctionInliningPass(275);
+ Builder.populateFunctionPassManager(PM);
+ Builder.populateModulePassManager(PM);
}
-
- if (StandardLinkOpts)
- createStandardLTOPasses(&PM, /*Internalize=*/true,
- /*RunInliner=*/true,
- /*VerifyEach=*/false);
- D.addPasses(PassList.begin(), PassList.end());
+ for (const PassInfo *PI : PassList)
+ D.addPass(PI->getPassArgument());
// Bugpoint has the ability of generating a plethora of core files, so to
// avoid filling up the disk, we prevent it
+#ifndef DEBUG_BUGPOINT
sys::Process::PreventCoreFiles();
+#endif
std::string Error;
bool Failure = D.run(Error);
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