[llvm] [X86] Support promoted ENQCMD, KEYLOCKER and USER-MSR instructions (PR #77293)

[Shengchen Kan via llvm-commits]

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@@ -6380,18 +6386,20 @@ void X86DAGToDAGISel::Select(SDNode *Node) {
     switch (Node->getOpcode()) {
     default:
       llvm_unreachable("Unexpected opcode!");
+#define GET_EGPR_IF_ENABLED(OPC) (Subtarget->hasEGPR() ? OPC##_EVEX : OPC)
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KanRobert wrote:

We are in the same file, really don't need to undef a macro and define it again.

https://github.com/llvm/llvm-project/pull/77293