1 files changed, 27 insertions, 12 deletions
diff --git a/contrib/llvm/tools/llc/llc.cpp b/contrib/llvm/tools/llc/llc.cpp
index 4d4a74c..1dce9d7 100644
--- a/contrib/llvm/tools/llc/llc.cpp
+++ b/contrib/llvm/tools/llc/llc.cpp
@@ -13,29 +13,30 @@
 //
 //===----------------------------------------------------------------------===//
 
-#include "llvm/LLVMContext.h"
-#include "llvm/DataLayout.h"
-#include "llvm/Module.h"
-#include "llvm/PassManager.h"
-#include "llvm/Pass.h"
+#include "llvm/IR/LLVMContext.h"
 #include "llvm/ADT/Triple.h"
 #include "llvm/Assembly/PrintModulePass.h"
-#include "llvm/Support/IRReader.h"
 #include "llvm/CodeGen/CommandFlags.h"
 #include "llvm/CodeGen/LinkAllAsmWriterComponents.h"
 #include "llvm/CodeGen/LinkAllCodegenComponents.h"
+#include "llvm/IR/DataLayout.h"
+#include "llvm/IR/Module.h"
+#include "llvm/IRReader/IRReader.h"
 #include "llvm/MC/SubtargetFeature.h"
+#include "llvm/Pass.h"
+#include "llvm/PassManager.h"
 #include "llvm/Support/CommandLine.h"
 #include "llvm/Support/Debug.h"
 #include "llvm/Support/FormattedStream.h"
+#include "llvm/Support/Host.h"
 #include "llvm/Support/ManagedStatic.h"
 #include "llvm/Support/PluginLoader.h"
 #include "llvm/Support/PrettyStackTrace.h"
-#include "llvm/Support/ToolOutputFile.h"
-#include "llvm/Support/Host.h"
 #include "llvm/Support/Signals.h"
+#include "llvm/Support/SourceMgr.h"
 #include "llvm/Support/TargetRegistry.h"
 #include "llvm/Support/TargetSelect.h"
+#include "llvm/Support/ToolOutputFile.h"
 #include "llvm/Target/TargetLibraryInfo.h"
 #include "llvm/Target/TargetMachine.h"
 #include <memory>
@@ -51,6 +52,11 @@ InputFilename(cl::Positional, cl::desc("<input bitcode>"), cl::init("-"));
 static cl::opt<std::string>
 OutputFilename("o", cl::desc("Output filename"), cl::value_desc("filename"));
 
+static cl::opt<unsigned>
+TimeCompilations("time-compilations", cl::Hidden, cl::init(1u),
+                 cl::value_desc("N"),
+                 cl::desc("Repeat compilation N times for timing"));
+
 // Determine optimization level.
 static cl::opt<char>
 OptLevel("O",
@@ -71,6 +77,8 @@ DisableSimplifyLibCalls("disable-simplify-libcalls",
                         cl::desc("Disable simplify-libcalls"),
                         cl::init(false));
 
+static int compileModule(char**, LLVMContext&);
+
 // GetFileNameRoot - Helper function to get the basename of a filename.
 static inline std::string
 GetFileNameRoot(const std::string &InputFilename) {
@@ -181,6 +189,15 @@ int main(int argc, char **argv) {
 
   cl::ParseCommandLineOptions(argc, argv, "llvm system compiler\n");
 
+  // Compile the module TimeCompilations times to give better compile time
+  // metrics.
+  for (unsigned I = TimeCompilations; I; --I)
+    if (int RetVal = compileModule(argv, Context))
+      return RetVal;
+  return 0;
+}
+
+static int compileModule(char **argv, LLVMContext &Context) {
   // Load the module to be compiled...
   SMDiagnostic Err;
   std::auto_ptr<Module> M;
@@ -303,10 +320,8 @@ int main(int argc, char **argv) {
     TLI->disableAllFunctions();
   PM.add(TLI);
 
-  if (target.get()) {
-    PM.add(new TargetTransformInfo(target->getScalarTargetTransformInfo(),
-                                   target->getVectorTargetTransformInfo()));
-  }
+  // Add intenal analysis passes from the target machine.
+  Target.addAnalysisPasses(PM);
 
   // Add the target data from the target machine, if it exists, or the module.
   if (const DataLayout *TD = Target.getDataLayout())