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
diff --git a/lib/Target/R600/AMDGPUISelLowering.cpp b/lib/Target/R600/AMDGPUISelLowering.cpp
index c90176b..779d97f 100644
--- a/lib/Target/R600/AMDGPUISelLowering.cpp
+++ b/lib/Target/R600/AMDGPUISelLowering.cpp
@@ -115,6 +115,20 @@
}
//===---------------------------------------------------------------------===//
+// 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
//===---------------------------------------------------------------------===//
diff --git a/lib/Target/R600/AMDGPUISelLowering.h b/lib/Target/R600/AMDGPUISelLowering.h
index 7f4468c..0e1c131 100644
--- a/lib/Target/R600/AMDGPUISelLowering.h
+++ b/lib/Target/R600/AMDGPUISelLowering.h
@@ -49,6 +49,9 @@
public:
AMDGPUTargetLowering(TargetMachine &TM);
+ virtual bool isFAbsFree(EVT VT) const;
+ virtual bool isFNegFree(EVT VT) const;
+
virtual SDValue LowerReturn(SDValue Chain, CallingConv::ID CallConv,
bool isVarArg,
const SmallVectorImpl<ISD::OutputArg> &Outs,