[llvm-commits] CVS: llvm/lib/Reoptimizer/LightWtProfiling/Trigger/RuntimeOptimizations.cpp

[Brian Gaeke]

Changes in directory llvm/lib/Reoptimizer/LightWtProfiling/Trigger:

RuntimeOptimizations.cpp updated: 1.2 -> 1.3

---
Log message:

Keep a set of traces which we've already seen, and don't re-run optimizations
 on them.
Tighten up the debug output.


---
Diffs of the changes:

Index: llvm/lib/Reoptimizer/LightWtProfiling/Trigger/RuntimeOptimizations.cpp
diff -u llvm/lib/Reoptimizer/LightWtProfiling/Trigger/RuntimeOptimizations.cpp:1.2 llvm/lib/Reoptimizer/LightWtProfiling/Trigger/RuntimeOptimizations.cpp:1.3
--- llvm/lib/Reoptimizer/LightWtProfiling/Trigger/RuntimeOptimizations.cpp:1.2	Mon Aug 18 15:37:31 2003
+++ llvm/lib/Reoptimizer/LightWtProfiling/Trigger/RuntimeOptimizations.cpp	Tue Aug 19 14:21:53 2003
@@ -21,16 +21,23 @@
 /// addresses for the trace.
 ///
 void optimizeTrace (std::vector<BasicBlock *> &vBB, uint64_t a) {
+  static std::set<uint64_t> alreadyDone;
+  if (alreadyDone.find (a) != alreadyDone.end ()) {
+    DEBUG(std::cerr << "In optimizeTrace; already did this trace! a = "
+	  << a << "\n");
+    return;
+  } else {
+    alreadyDone.insert(a);
+  }
+
   // Dump the trace to the standard error stream if we are in debug mode.
-  DEBUG(std::cerr << "=== In optimizeTrace; a = " << a << "================\n"
-	<< "--- Function where the trace starts -----------------\n"
-	<< vBB[0]->getParent ()
-	<< "--- BasicBlocks in the trace ------------------------\n");
+  DEBUG(std::cerr << "In optimizeTrace; a = " << a << "\n"
+	<< "Trace for function " << vBB[0]->getParent ()->getName ()
+	<< ", blocks:\n");
 #ifndef NDEBUG
   for (unsigned i = 0; i < vBB.size (); ++i)
     DEBUG(std::cerr << *vBB[i]);
 #endif // NDEBUG
-  DEBUG(std::cerr << "=====================================================\n");
 
   if (!M)
     initModules ();