Subzero: Add rudimentary statistics on generated code.

src/IceTranslator.cpp

 //===- subzero/src/IceTranslator.cpp - ICE to machine code ------*- C++ -*-===//
 //
 //                        The Subzero Code Generator
 //
 // This file is distributed under the University of Illinois Open Source
 // License. See LICENSE.TXT for details.
 //
 //===----------------------------------------------------------------------===//
 //
 // This file defines the general driver class for translating ICE to
@@ skipping 53 matching lines @@
   const IceString &FunctionPrefix = Flags.DefaultFunctionPrefix;
   if (FunctionPrefix.empty())
     return;
   uint32_t NameIndex = 0;
   for (llvm::Module::iterator I = Mod->begin(), E = Mod->end(); I != E; ++I) {
     setValueName(I, "function", FunctionPrefix, NameIndex, errs);
   }
 }
 
 void Translator::translateFcn(Cfg *Fcn) {
+  Ctx->resetStats();
   Func.reset(Fcn);
   if (Ctx->getFlags().DisableInternal)
     Func->setInternal(false);
   if (Ctx->getFlags().DisableTranslation) {
     Func->dump();
   } else {
     Timer TTranslate;
     Func->translate();
     if (Ctx->getFlags().SubzeroTimingEnabled) {
       std::cerr << "[Subzero timing] Translate function "
                 << Func->getFunctionName() << ": " << TTranslate.getElapsedSec()
                 << " sec\n";
     }
     if (Func->hasError()) {
       std::cerr << "ICE translation error: " << Func->getError() << "\n";
       ErrorStatus = true;
     }
 
     Timer TEmit;
     Func->emit();
     if (Ctx->getFlags().SubzeroTimingEnabled) {
       std::cerr << "[Subzero timing] Emit function " << Func->getFunctionName()
                 << ": " << TEmit.getElapsedSec() << " sec\n";
     }
+    Ctx->dumpStats(Func->getFunctionName());
   }
 }
 
 void Translator::emitConstants() {
   if (!Ctx->getFlags().DisableTranslation && Func)
     Func->getTarget()->emitConstants();
 }