remove the AllowAggressive argument to FoldOpIntoPhi.  It is forced to false in the
first line of the function because it isn't a good idea, even for compares.

llvm-svn: 123566
diff --git a/llvm/lib/Transforms/InstCombine/InstCombine.h b/llvm/lib/Transforms/InstCombine/InstCombine.h
index 81b5b7e..450e7f0 100644
--- a/llvm/lib/Transforms/InstCombine/InstCombine.h
+++ b/llvm/lib/Transforms/InstCombine/InstCombine.h
@@ -319,10 +319,7 @@
   // into the PHI (which is only possible if all operands to the PHI are
   // constants).
   //
-  // If AllowAggressive is true, FoldOpIntoPhi will allow certain transforms
-  // that would normally be unprofitable because they strongly encourage jump
-  // threading.
-  Instruction *FoldOpIntoPhi(Instruction &I, bool AllowAggressive = false);
+  Instruction *FoldOpIntoPhi(Instruction &I);
 
   // FoldPHIArgOpIntoPHI - If all operands to a PHI node are the same "unary"
   // operator and they all are only used by the PHI, PHI together their