commit 3bc405021761c509568302061bf4aa4f5a9220e1
author Chris Lattner <sabre@nondot.org> Sun Mar 05 05:30:57 2006 +0000
committer Chris Lattner <sabre@nondot.org> Sun Mar 05 05:30:57 2006 +0000
tree c6afe3308461f035f7b79b2f830bbc640989191a
parent 5c1ba2ac081d58aae6a9450fdc3b159d4c086b49

Add some simple copysign folds

llvm-svn: 26543

llvm/lib/CodeGen/SelectionDAG/SelectionDAG.cpp

diff --git a/llvm/lib/CodeGen/SelectionDAG/SelectionDAG.cpp b/llvm/lib/CodeGen/SelectionDAG/SelectionDAG.cpp
index 534015c..57f1066 100644
--- a/llvm/lib/CodeGen/SelectionDAG/SelectionDAG.cpp
+++ b/llvm/lib/CodeGen/SelectionDAG/SelectionDAG.cpp
@@ -1250,6 +1250,8 @@
       case ISD::FREM :
         if (C2) return getConstantFP(fmod(C1, C2), VT);
         break;
+      case ISD::FCOPYSIGN:
+        return getConstantFP(copysign(C1, C2), VT);
       default: break;
       }
     } else {      // Cannonicalize constant to RHS if commutative