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

[Phoebe Wang via cfe-commits]

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@@ -5305,6 +5339,13 @@ void X86DAGToDAGISel::Select(SDNode *Node) {
       ReplaceNode(Node, CNode);
       return;
     }
+    case Intrinsic::x86_t2rpntlvwz0rs:
+    case Intrinsic::x86_t2rpntlvwz0rst1:
+    case Intrinsic::x86_t2rpntlvwz1rs:
+    case Intrinsic::x86_t2rpntlvwz1rst1:
+      if (!Subtarget->hasAMXTRANSPOSE() || !Subtarget->hasAMXMOVRS())
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phoebewang wrote:

Use `!Subtarget->hasAMXMOVRS()` only since we check `!Subtarget->hasAMXTRANSPOSE()` later.

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