[clang] [llvm] [X86] Support EGPR for inline assembly. (PR #92338)

[Shengchen Kan via cfe-commits]

================
@@ -0,0 +1,25 @@
+; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
+; RUN: not llc -mtriple=x86_64 < %s | FileCheck %s
+; RUN: not llc -mtriple=x86_64 -mattr=+egpr < %s | FileCheck %s
----------------
KanRobert wrote:

You can use sth like
```
not llc -mtriple=x86_64 -mattr=+egpr < %s >%t1 2>%t2
FileCheck %s %t1
FileCheck %s %t2 --check-prefix=ERR
```

https://github.com/llvm/llvm-project/pull/92338