[llvm] [SelectionDAG] Virtualize isTargetStrictFPOpcode / isTargetMemoryOpcode (PR #119969)

[Sergei Barannikov via llvm-commits]

================
@@ -23,6 +23,23 @@ static cl::opt<bool>
                                 "to lower to librt functions"),
                        cl::init(true));
 
+bool AArch64SelectionDAGInfo::isTargetMemoryOpcode(unsigned Opcode) const {
+  return Opcode >= AArch64ISD::FIRST_MEMORY_OPCODE &&
+         Opcode <= AArch64ISD::LAST_MEMORY_OPCODE;
+}
+
+bool AArch64SelectionDAGInfo::isTargetStrictFPOpcode(unsigned Opcode) const {
+  switch (static_cast<AArch64ISD::NodeType>(Opcode)) {
+  default:
+    return false;
+  case AArch64ISD::STRICT_FCMP:
+  case AArch64ISD::STRICT_FCMPE:
+  case AArch64ISD::SME_ZA_LDR:
+  case AArch64ISD::SME_ZA_STR:
----------------
s-barannikov wrote:

I've merged that commit.
Note that these opcodes not included in *MEMORY_OPCODE range -- those are supposed to be used with `getMemIntrinsicNode` (other than that, there isn't much difference).

https://github.com/llvm/llvm-project/pull/119969