[clang] [CIR][X86] Add support for `cpuid`/`cpuidex` (PR #173197)

[Sirui Mu via cfe-commits]

================
@@ -25,6 +25,7 @@
 #include "clang/CIR/Dialect/IR/CIRTypes.h"
 #include "clang/CIR/MissingFeatures.h"
 #include "llvm/ADT/Sequence.h"
+#include "llvm/IR/InlineAsm.h"
----------------
Lancern wrote:

Why is this needed?

https://github.com/llvm/llvm-project/pull/173197