X-Git-Url: http://demsky.eecs.uci.edu/git/?a=blobdiff_plain;f=tools%2Fbugpoint%2Fbugpoint.cpp;h=5e8fdd145eef50e70148eb4f8594c701c3a0ea0b;hb=d6f0c34273dd3536102f2d643403252468dfc4a3;hp=d4951adc6ebd60a7034277a9749c208d1a4271a0;hpb=9e081004dad1c3cae7de82ad412c3f19a1a48d48;p=oota-llvm.git

diff --git a/tools/bugpoint/bugpoint.cpp b/tools/bugpoint/bugpoint.cpp
index d4951adc6eb..5e8fdd145ee 100644
--- a/tools/bugpoint/bugpoint.cpp
+++ b/tools/bugpoint/bugpoint.cpp
@@ -15,27 +15,25 @@
 
 #include "BugDriver.h"
 #include "ToolRunner.h"
+#include "llvm/IR/LLVMContext.h"
+#include "llvm/LinkAllIR.h"
 #include "llvm/LinkAllPasses.h"
-#include "llvm/LLVMContext.h"
-#include "llvm/Support/PassNameParser.h"
+#include "llvm/PassManager.h"
 #include "llvm/Support/CommandLine.h"
 #include "llvm/Support/ManagedStatic.h"
+#include "llvm/Support/PassNameParser.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;
 
-// AsChild - Specifies that this invocation of bugpoint is being generated
-// from a parent process. It is not intended to be used by users so the 
-// option is hidden.
-static cl::opt<bool> 
-AsChild("as-child", cl::desc("Run bugpoint as child process"), 
-        cl::ReallyHidden);
-          
 static cl::opt<bool> 
 FindBugs("find-bugs", cl::desc("Run many different optimization sequences "
                                "on program to find bugs"), cl::init(false));
@@ -61,7 +59,7 @@ UseValgrind("enable-valgrind",
 // The AnalysesList is automatically populated with registered Passes by the
 // PassNameParser.
 //
-static cl::list<const StaticPassInfo*, bool, PassNameParser>
+static cl::list<const PassInfo*, bool, PassNameParser>
 PassList(cl::desc("Passes available:"), cl::ZeroOrMore);
 
 static cl::opt<bool>
@@ -72,46 +70,80 @@ 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 StaticPassInfo *PI = P->getPassInfo();
-      D.addPasses(&PI, &PI + 1);
+      const void *ID = P->getPassID();
+      const PassInfo *PI = PassRegistry::getPassRegistry()->getPassInfo(ID);
+      D.addPass(PI->getPassArgument());
     }
   };
 }
 
 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);
+  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) {
@@ -123,31 +155,51 @@ int main(int argc, char **argv) {
       MemoryLimit = 100;
   }
 
-  BugDriver D(argv[0], AsChild, FindBugs, TimeoutValue, MemoryLimit,
+  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());
+    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);
+  }
 
-  D.addPasses(PassList.begin(), PassList.end());
+  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();
+       I != E; ++I) {
+    const PassInfo* PI = *I;
+    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);