[llvm] [UpdateTestChecks][llvm-mca] Use common.itertests and common.parse_commandline_args in update_mca_test_checks (PR #67477)

[Michael Maitland via llvm-commits]

================
@@ -65,18 +65,7 @@ def _parse_args():
         help="the binary to use to generate the test case " "(default: llvm-mca)",
     )
     parser.add_argument("tests", metavar="<test-path>", nargs="+")
-    args = common.parse_commandline_args(parser)
-
-    _configure_warnings(args)
-
-    if not args.llvm_mca_binary:
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michaelmaitland wrote:

Updated, but moved to main since `parse_commandline_args` is called in main.

https://github.com/llvm/llvm-project/pull/67477