AMDGPU: R600 code splitting cleanup

Move a few functions only used by R600 to R600 specific code,
fix header macros to stop using R600, mark classes as final.

llvm-svn: 263204

1 files changed, 14 insertions, 0 deletions

diff --git a/llvm/lib/Target/AMDGPU/R600ISelLowering.cpp b/llvm/lib/Target/AMDGPU/R600ISelLowering.cpp
index fa3ee7b92cb..bd4517d443d 100644
--- a/llvm/lib/Target/AMDGPU/R600ISelLowering.cpp
+++ b/llvm/lib/Target/AMDGPU/R600ISelLowering.cpp
@@ -1067,6 +1067,20 @@ bool R600TargetLowering::isZero(SDValue Op) const {
   }
 }
 
+bool R600TargetLowering::isHWTrueValue(SDValue Op) const {
+  if (ConstantFPSDNode * CFP = dyn_cast<ConstantFPSDNode>(Op)) {
+    return CFP->isExactlyValue(1.0);
+  }
+  return isAllOnesConstant(Op);
+}
+
+bool R600TargetLowering::isHWFalseValue(SDValue Op) const {
+  if (ConstantFPSDNode * CFP = dyn_cast<ConstantFPSDNode>(Op)) {
+    return CFP->getValueAPF().isZero();
+  }
+  return isNullConstant(Op);
+}
+
 SDValue R600TargetLowering::LowerSELECT_CC(SDValue Op, SelectionDAG &DAG) const {
   SDLoc DL(Op);
   EVT VT = Op.getValueType();