DAGCombiner: Pass the correct type to TargetLowering::isF(Abs|Neg)Free

This commit also implements these functions for R600 and removes a test
case that was relying on the buggy behavior.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@187007 91177308-0d34-0410-b5e6-96231b3b80d8

1 files changed, 4 insertions, 2 deletions

diff --git a/include/llvm/Target/TargetLowering.h b/include/llvm/Target/TargetLowering.h
index 09a93f9..2a383e4 100644
--- a/include/llvm/Target/TargetLowering.h
+++ b/include/llvm/Target/TargetLowering.h
@@ -1174,13 +1174,15 @@ public:
 
   /// Return true if an fneg operation is free to the point where it is never
   /// worthwhile to replace it with a bitwise operation.
-  virtual bool isFNegFree(EVT) const {
+  virtual bool isFNegFree(EVT VT) const {
+    assert(VT.isFloatingPoint());
     return false;
   }
 
   /// Return true if an fneg operation is free to the point where it is never
   /// worthwhile to replace it with a bitwise operation.
-  virtual bool isFAbsFree(EVT) const {
+  virtual bool isFAbsFree(EVT VT) const {
+    assert(VT.isFloatingPoint());
     return false;
   }