[llvm] [X86][RA] Add two address hints for compressible NDD instructions. (PR #98603)

[Shengchen Kan via llvm-commits]

================
@@ -1082,8 +1088,49 @@ bool X86RegisterInfo::getRegAllocationHints(Register VirtReg,
       VirtReg, Order, Hints, MF, VRM, Matrix);
 
   unsigned ID = RC.getID();
-  if (ID != X86::TILERegClassID)
+
+  if (ID != X86::TILERegClassID) {
+    if (!VRM || DisableRegAllocNDDHints)
----------------
KanRobert wrote:

Both AMX and APX needs VRM.

```
if (!VRM)
    return BaseImplRetVal;

if (ID != X86::TILERegClassID) {
   if (DisableRegAllocNDDHints)
}
```

https://github.com/llvm/llvm-project/pull/98603