#include "ToolRunner.h"
#include "llvm/LinkAllPasses.h"
#include "llvm/LLVMContext.h"
+#include "llvm/PassManager.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/Support/Process.h"
+#include "llvm/Support/Signals.h"
+#include "llvm/Support/Valgrind.h"
#include "llvm/LinkAllVMCore.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>
StandardLinkOpts("std-link-opts",
cl::desc("Include the standard link time optimizations"));
+static cl::opt<bool>
+OptLevelO1("O1",
+ cl::desc("Optimization level 1. Similar to llvm-gcc -O1"));
+
+static cl::opt<bool>
+OptLevelO2("O2",
+ cl::desc("Optimization level 2. Similar to llvm-gcc -O2"));
+
+static cl::opt<bool>
+OptLevelO3("O3",
+ cl::desc("Optimization level 3. Similar to llvm-gcc -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 FunctionPassManager {
BugDriver &D;
public:
- AddToDriver(BugDriver &_D) : D(_D) {}
+ AddToDriver(BugDriver &_D) : FunctionPassManager(0), D(_D) {}
virtual void add(Pass *P) {
const void *ID = P->getPassID();
}
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);
+ initializeVectorization(Registry);
+ initializeIPO(Registry);
+ initializeAnalysis(Registry);
+ initializeIPA(Registry);
+ initializeTransformUtils(Registry);
+ initializeInstCombine(Registry);
+ initializeInstrumentation(Registry);
+ initializeTarget(Registry);
+
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) {
AddToDriver PM(D);
if (StandardCompileOpts) {
- createStandardModulePasses(&PM, 3,
- /*OptimizeSize=*/ false,
- /*UnitAtATime=*/ true,
- /*UnrollLoops=*/ true,
- /*SimplifyLibCalls=*/ true,
- /*HaveExceptions=*/ true,
- createFunctionInliningPass());
+ PassManagerBuilder Builder;
+ Builder.OptLevel = 3;
+ Builder.Inliner = createFunctionInliningPass();
+ Builder.populateModulePassManager(PM);
}
- if (StandardLinkOpts)
- createStandardLTOPasses(&PM, /*Internalize=*/true,
- /*RunInliner=*/true,
- /*VerifyEach=*/false);
+ if (StandardLinkOpts) {
+ PassManagerBuilder Builder;
+ Builder.populateLTOPassManager(PM, /*Internalize=*/true,
+ /*RunInliner=*/true);
+ }
+ if (OptLevelO1 || OptLevelO2 || OptLevelO3) {
+ PassManagerBuilder Builder;
+ if (OptLevelO1)
+ Builder.Inliner = createAlwaysInlinerPass();
+ else if (OptLevelO2)
+ Builder.Inliner = createFunctionInliningPass(225);
+ else
+ Builder.Inliner = createFunctionInliningPass(275);
+
+ // Note that although clang/llvm-gcc use two separate passmanagers
+ // here, it shouldn't normally make a difference.
+ Builder.populateFunctionPassManager(PM);
+ Builder.populateModulePassManager(PM);
+ }
for (std::vector<const PassInfo*>::iterator I = PassList.begin(),
E = PassList.end();
// 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);