[llvm] [clang] [X86] Support CFE flags for APX features (PR #74199)

[Phoebe Wang via cfe-commits]

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@@ -927,6 +939,16 @@ void X86TargetInfo::getTargetDefines(const LangOptions &Opts,
     Builder.defineMacro("__USERMSR__");
   if (HasCRC32)
     Builder.defineMacro("__CRC32__");
+  if (HasEGPR)
+    Builder.defineMacro("__EGPR__");
+  if (HasPush2Pop2)
+    Builder.defineMacro("__PUSH2POP2__");
+  if (HasNDD)
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phoebewang wrote:

Missing PPX?

https://github.com/llvm/llvm-project/pull/74199