kraid: Use instruction info to implement op_is_message()

This was a lot of plumbing but now we know for sure 100% of the time.

Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/41841>

src/panfrost/compiler/kraid/encode_v9.rs

@@ -840,6 +840,14 @@ macro_rules! v9_op_match {
     };
 }
 
+fn v9_op_info(op: &Op, arch: u8) -> Option<&InstructionInfo> {
+    v9_op_match!(op, |op| op.get_info(arch))
+}
+
+pub fn v9_op_is_message(op: &Op, arch: u8) -> bool {
+    v9_op_info(op, arch).is_some_and(|info| info.is_message)
+}
+
 fn encode_instr(
     ip: i64,
     instr: &Instr,

src/panfrost/compiler/kraid/message_slots.rs

@@ -4,19 +4,11 @@
 use crate::flow::FlowWaitBit;
 use crate::ir::*;
 
-fn op_is_message(op: &Op) -> bool {
-    // TODO: Make this real
-    matches!(
-        op,
-        Op::LdPka(_) | Op::LeaPka(_) | Op::Load(_) | Op::Store(_)
-    )
-}
-
 impl Shader<'_> {
     pub fn assign_message_slots(&mut self) {
         for b in self.blocks.iter_mut() {
             for i in b.instrs.iter_mut() {
-                if op_is_message(&i.op) {
+                if self.model.op_is_message(&i.op) {
                     i.flow.set_msg_slot_idx(0);
                     i.flow.set_wait_bit(FlowWaitBit::Slot0);
                 }

src/panfrost/compiler/kraid/model.rs

@@ -10,6 +10,8 @@ pub trait Model {
 
     fn encode_shader(&self, s: &Shader<'_>) -> Vec<u32>;
 
+    fn op_is_message(&self, op: &Op) -> bool;
+
     fn small_constants(&self) -> &[SmallConstant];
 }
 
@@ -35,6 +37,10 @@ impl Model for ValhallModel {
         encode_v9(s, self.arch)
     }
 
+    fn op_is_message(&self, op: &Op) -> bool {
+        v9_op_is_message(op, self.arch)
+    }
+
     fn small_constants(&self) -> &[SmallConstant] {
         &self.sc_table
     }