[clang] [llvm] [X86][AMX] Support AMX-MOVRS (PR #115151)

[Phoebe Wang via cfe-commits]

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@@ -27291,6 +27291,13 @@ static SDValue LowerINTRINSIC_W_CHAIN(SDValue Op, const X86Subtarget &Subtarget,
       return DAG.getNode(ISD::MERGE_VALUES, dl, Op->getVTList(), SetCC,
                          Operation.getValue(1));
     }
+    case Intrinsic::x86_t2rpntlvwz0rs_internal:
+    case Intrinsic::x86_t2rpntlvwz0rst1_internal:
+    case Intrinsic::x86_t2rpntlvwz1rs_internal:
+    case Intrinsic::x86_t2rpntlvwz1rst1_internal:
+      if (!Subtarget.hasAMXTRANSPOSE() || !Subtarget.hasAMXMOVRS())
+        break;
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phoebewang wrote:

Checking `Subtarget.hasAMXMOVRS()` only.

https://github.com/llvm/llvm-project/pull/115151