[AMDGPU] Move to SIISelLowering.

Author: harrisonGPU

llvm/lib/Target/AMDGPU/AMDGPUISelLowering.cpp

@@ -6043,11 +6043,3 @@ bool AMDGPUTargetLowering::isReassocProfitable(MachineRegisterInfo &MRI,
                                                Register N0, Register N1) const {
   return MRI.hasOneNonDBGUse(N0); // FIXME: handle regbanks
 }
-
-bool AMDGPUTargetLowering::hasAndNot(SDValue Op) const {
-  if (Op->isDivergent())
-    return false;
-
-  EVT VT = Op.getValueType();
-  return VT == MVT::i32 || VT == MVT::i64;
-}

llvm/lib/Target/AMDGPU/AMDGPUISelLowering.h

@@ -387,13 +387,6 @@ class AMDGPUTargetLowering : public TargetLowering {
   MVT getFenceOperandTy(const DataLayout &DL) const override {
     return MVT::i32;
   }
-
-  /// Return true if the target supports a bitwise and-not operation:
-  /// X = ~A & B
-  /// This function checks if the operation can be directly mapped to the
-  /// target's native instructions, potentially simplifying select or other
-  /// related instructions by using more efficient hardware-specific operations.
-  bool hasAndNot(SDValue Op) const override;
 };
 
 namespace AMDGPUISD {

llvm/lib/Target/AMDGPU/SIISelLowering.cpp

@@ -16890,3 +16890,11 @@ SITargetLowering::lowerIdempotentRMWIntoFencedLoad(AtomicRMWInst *AI) const {
   AI->eraseFromParent();
   return LI;
 }
+
+bool SITargetLowering::hasAndNot(SDValue Op) const {
+  if (Op->isDivergent())
+    return false;
+
+  EVT VT = Op.getValueType();
+  return VT == MVT::i32 || VT == MVT::i64;
+}

llvm/lib/Target/AMDGPU/SIISelLowering.h

@@ -598,6 +598,13 @@ class SITargetLowering final : public AMDGPUTargetLowering {
 
   MachineMemOperand::Flags
   getTargetMMOFlags(const Instruction &I) const override;
+
+  /// Return true if the target supports a bitwise and-not operation:
+  /// X = ~A & B
+  /// This function checks if the operation can be directly mapped to the
+  /// target's native instructions, potentially simplifying select or other
+  /// related instructions by using more efficient hardware-specific operations.
+  bool hasAndNot(SDValue Op) const override;
 };
 
 // Returns true if argument is a boolean value which is not serialized into