[llvm-commits] CVS: reopt/lib/LightWtProfiling/TraceToFunction.cpp

[Brian Gaeke]

Changes in directory reopt/lib/LightWtProfiling:

TraceToFunction.cpp updated: 1.33 -> 1.34

---
Log message:

Finish off isFirstLevelInstrumentationBlock()


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Diffs of the changes:  (+9 -3)

Index: reopt/lib/LightWtProfiling/TraceToFunction.cpp
diff -u reopt/lib/LightWtProfiling/TraceToFunction.cpp:1.33 reopt/lib/LightWtProfiling/TraceToFunction.cpp:1.34
--- reopt/lib/LightWtProfiling/TraceToFunction.cpp:1.33	Sat May 15 19:24:08 2004
+++ reopt/lib/LightWtProfiling/TraceToFunction.cpp	Sat May 15 19:28:41 2004
@@ -411,15 +411,21 @@
 }
 
 /// isFirstLevelInstrumentationBlock - returns true iff BB is a basic block
-/// inserted by the first-level instrumentation (-instloops) pass.
+/// containing only a call to the first-level instrumentation function.
+/// Basic blocks of this form are inserted by the -instloops pass on loop
+/// back-edges.
 ///
 static bool isFirstLevelInstrumentationBlock (BasicBlock *BB) {
   BasicBlock::iterator i = BB->begin ();
+  // starts with llvm_first_trigger call
   if (!isFirstTriggerCall (*i))
     return false;
+  // next thing is an unconditional branch
   ++i;
-  // FIXME
-  return false;
+  if (!(isa<BranchInst> (i) && cast<BranchInst> (i)->isUnconditional ()))
+    return false;
+  // looks like the real thing to me...
+  return true;
 }
 
 /// fixupFunctionBodyBB - Given srcB in T and its clone dstB in F, and