[llvm] [AMDGPU][True16][MC] VOP3 profile in True16 format (PR #109031)

[Christudasan Devadasan via llvm-commits]

================
@@ -871,21 +872,31 @@ let SubtargetPredicate = isGFX10Plus in {
     def : PermlanePat<int_amdgcn_permlanex16, V_PERMLANEX16_B32_e64, vt>;
   }
 
-  defm V_ADD_NC_U16 : VOP3Inst <"v_add_nc_u16", VOP3_Profile<VOP_I16_I16_I16, VOP3_OPSEL>, add>;
-  defm V_SUB_NC_U16 : VOP3Inst <"v_sub_nc_u16", VOP3_Profile<VOP_I16_I16_I16, VOP3_OPSEL>, sub>;
-
-  def : OpSelBinOpClampPat<uaddsat, V_ADD_NC_U16_e64>;
-  def : OpSelBinOpClampPat<usubsat, V_SUB_NC_U16_e64>;
-
-  // Undo sub x, c -> add x, -c canonicalization since c is more likely
-  // an inline immediate than -c.
-  def : GCNPat<
-    (add i16:$src0, (i16 NegSubInlineIntConst16:$src1)),
-    (V_SUB_NC_U16_e64 0, VSrc_b16:$src0, 0, NegSubInlineIntConst16:$src1, 0, 0)
-  >;
+  defm V_ADD_NC_U16 : VOP3Inst_t16 <"v_add_nc_u16", VOP_I16_I16_I16, add>;
+  defm V_SUB_NC_U16 : VOP3Inst_t16 <"v_sub_nc_u16", VOP_I16_I16_I16, sub>;
 
 } // End SubtargetPredicate = isGFX10Plus
 
+let True16Predicate = NotHasTrue16BitInsts, OtherPredicates = [isGFX10Plus] in {
----------------
cdevadas wrote:

```suggestion
let True16Predicate = NotHasTrue16BitInsts, SubtargetPredicate = isGFX10Plus in {
```

https://github.com/llvm/llvm-project/pull/109031