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.

llvm-svn: 187007

1 files changed, 14 insertions, 0 deletions

diff --git a/llvm/lib/Target/R600/AMDGPUISelLowering.cpp b/llvm/lib/Target/R600/AMDGPUISelLowering.cpp
index c90176b8f88..779d97f1776 100644
--- a/llvm/lib/Target/R600/AMDGPUISelLowering.cpp
+++ b/llvm/lib/Target/R600/AMDGPUISelLowering.cpp
@@ -115,6 +115,20 @@ AMDGPUTargetLowering::AMDGPUTargetLowering(TargetMachine &TM) :
 }
 
 //===---------------------------------------------------------------------===//
+// Target Properties
+//===---------------------------------------------------------------------===//
+
+bool AMDGPUTargetLowering::isFAbsFree(EVT VT) const {
+  assert(VT.isFloatingPoint());
+  return VT == MVT::f32;
+}
+
+bool AMDGPUTargetLowering::isFNegFree(EVT VT) const {
+  assert(VT.isFloatingPoint());
+  return VT == MVT::f32;
+}
+
+//===---------------------------------------------------------------------===//
 // TargetLowering Callbacks
 //===---------------------------------------------------------------------===//