[MC] Properly disable debug-frame test on AppleSilicon Mac

[steven_wu]

Summary

Disable debug-frame tests on AppleSilicon Mac to improve some of the fix
in PR46647.

[aprantl]

Nice!

llvm/test/MC/ELF/cfi-version.ll

 ; RUN: %llc_dwarf %s -o - -dwarf-version 2 -filetype=obj | llvm-dwarfdump -v - | FileCheck %s --check-prefix=DWARF2
 ; RUN: %llc_dwarf %s -o - -dwarf-version 3 -filetype=obj | llvm-dwarfdump -v - | FileCheck %s --check-prefix=DWARF3
 ; RUN: %llc_dwarf %s -o - -dwarf-version 4 -filetype=obj | llvm-dwarfdump -v - | FileCheck %s --check-prefix=DWARF4
 ; RUN: %llc_dwarf %s -o - -dwarf-version 5 -filetype=obj | llvm-dwarfdump -v - | FileCheck %s --check-prefix=DWARF4
 
-; PR46647
-; XFAIL: arm64-apple
-
 ; .debug_frame is not emitted for targeting Windows x64, aarch64/arm64, or AIX.
 ; REQUIRES: debug_frame
 ; REQUIRES: object-emission
 
 ; Function Attrs: nounwind
 define i32 @foo() #0 !dbg !4 {
 entry:
   %call = call i32 bitcast (i32 (...)* @bar to i32 ()*)(), !dbg !12

llvm/test/lit.cfg.py

if sysctl_cmd.wait():
         print(
           "Warning: sysctl exists but calling \"{}\" failed, defaulting to no fma3.".format(
           " ".join(cmd)))
     else:
         result = sysctl_cmd.stdout.read().decode('ascii')
         if 'hw.optional.fma: 1' in result:
             config.available_features.add('fma3')
 
-# .debug_frame is not emitted for targeting Windows x64, aarch64/arm64, or AIX.
-if not re.match(r'^(x86_64|aarch64|arm64|powerpc|powerpc64).*-(windows-gnu|windows-msvc|aix)', config.target_triple):
+# .debug_frame is not emitted for targeting Windows x64, aarch64/arm64, AIX, or Apple Silicon Mac.
+if not re.match(r'^(x86_64|aarch64|arm64|powerpc|powerpc64).*-(windows-gnu|windows-msvc|aix)', config.target_triple) \
+    and not re.match(r'^arm64(e)?-apple-(macos|darwin)', config.target_triple):
     config.available_features.add('debug_frame')
 
 if config.have_libxar:
     config.available_features.add('xar')
 
 if config.enable_threads:
     config.available_features.add('thread_support')