[llvm-commits] [llvm] r53243 - /llvm/trunk/lib/VMCore/ConstantFold.cpp

[Chris Lattner]

Author: lattner
Date: Tue Jul  8 13:47:38 2008
New Revision: 53243

URL: http://llvm.org/viewvc/llvm-project?rev=53243&view=rev
Log:
improve comment

Modified:
    llvm/trunk/lib/VMCore/ConstantFold.cpp

Modified: llvm/trunk/lib/VMCore/ConstantFold.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/VMCore/ConstantFold.cpp?rev=53243&r1=53242&r2=53243&view=diff

==============================================================================
--- llvm/trunk/lib/VMCore/ConstantFold.cpp (original)
+++ llvm/trunk/lib/VMCore/ConstantFold.cpp Tue Jul  8 13:47:38 2008
@@ -1375,7 +1375,7 @@
   }
 
   if (C1->getType()->isFloatingPoint()) {
-    int Result = -1;
+    int Result = -1;  // -1 = unknown, 0 = known false, 1 = known true.
     switch (evaluateFCmpRelation(C1, C2)) {
     default: assert(0 && "Unknown relation!");
     case FCmpInst::FCMP_UNO: