[llvm] [X86] Support lowering for APX promoted BMI instructions. (PR #77433)

[Simon Pilgrim via llvm-commits]

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@@ -4087,14 +4087,17 @@ MachineSDNode *X86DAGToDAGISel::matchBEXTRFromAndImm(SDNode *Node) {
   SDValue Control;
   unsigned ROpc, MOpc;
 
+#define GET_EGPR_IF_ENABLED(OPC) Subtarget->hasEGPR() ? OPC##_EVEX : OPC
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RKSimon wrote:

(style) Add brackets just in case the define gets expanded somewhere with weird operator precedence:
`#define GET_EGPR_IF_ENABLED(OPC) (Subtarget->hasEGPR() ? OPC##_EVEX : OPC)`

https://github.com/llvm/llvm-project/pull/77433