[llvm-commits] [llvm] r74035 - /llvm/trunk/lib/Analysis/ScalarEvolution.cpp

[Dan Gohman]

Author: djg
Date: Tue Jun 23 19:33:16 2009
New Revision: 74035

URL: http://llvm.org/viewvc/llvm-project?rev=74035&view=rev
Log:
Include the maximum trip count expression in ScalarEvolution's print output.

Modified:
    llvm/trunk/lib/Analysis/ScalarEvolution.cpp

Modified: llvm/trunk/lib/Analysis/ScalarEvolution.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Analysis/ScalarEvolution.cpp?rev=74035&r1=74034&r2=74035&view=diff

==============================================================================
--- llvm/trunk/lib/Analysis/ScalarEvolution.cpp (original)
+++ llvm/trunk/lib/Analysis/ScalarEvolution.cpp Tue Jun 23 19:33:16 2009
@@ -4340,6 +4340,15 @@
   }
 
   OS << "\n";
+  OS << "Loop " << L->getHeader()->getName() << ": ";
+
+  if (!isa<SCEVCouldNotCompute>(SE->getMaxBackedgeTakenCount(L))) {
+    OS << "max backedge-taken count is " << *SE->getMaxBackedgeTakenCount(L);
+  } else {
+    OS << "Unpredictable max backedge-taken count. ";
+  }
+
+  OS << "\n";
 }
 
 void ScalarEvolution::print(raw_ostream &OS, const Module* ) const {