[PATCH] D97107: Replace func name with regex in update_cc_test_checks

[Giorgis Georgakoudis via Phabricator via llvm-commits]

ggeorgakoudis created this revision.
Herald added a subscriber: arichardson.
ggeorgakoudis requested review of this revision.
Herald added a project: LLVM.
Herald added a subscriber: llvm-commits.

Repository:
  rG LLVM Github Monorepo

https://reviews.llvm.org/D97107

Files:
  llvm/utils/UpdateTestChecks/common.py
  llvm/utils/update_cc_test_checks.py


Index: llvm/utils/update_cc_test_checks.py
===================================================================
--- llvm/utils/update_cc_test_checks.py
+++ llvm/utils/update_cc_test_checks.py
@@ -147,6 +147,8 @@
                       help='Keep function signature information around for the check line')
   parser.add_argument('--check-attributes', action='store_true',
                       help='Check "Function Attributes" for functions')
+  parser.add_argument('--replace-function-regex', nargs='+',
+                      help='List of regular expressions to replace matching function names')
   parser.add_argument('tests', nargs='+')
   args = common.parse_commandline_args(parser)
   infer_dependent_args(args)
@@ -291,11 +293,23 @@
       # Now generate all the checks.
       def check_generator(my_output_lines, prefixes, func):
         if '-emit-llvm' in clang_args:
+          func_repl = None
+          # Replace function name if matching a regex
+          for regex in initial_args.replace_function_regex:
+            match = re.match(regex, func)
+            if match:
+              func_repl = regex
+              for g in match.groups():
+                func_repl = re.sub('\(.*\)', g, func_repl)
+              func_repl = '{{' + func_repl + '}}'
+              # Break after the first matching regex.
+              break
+
           common.add_ir_checks(my_output_lines, '//',
                                prefixes,
                                func_dict, func, False,
                                ti.args.function_signature,
-                               global_vars_seen_dict)
+                               global_vars_seen_dict, func_repl)
         else:
           asm.add_asm_checks(my_output_lines, '//',
                              prefixes,
Index: llvm/utils/UpdateTestChecks/common.py
===================================================================
--- llvm/utils/UpdateTestChecks/common.py
+++ llvm/utils/UpdateTestChecks/common.py
@@ -577,7 +577,13 @@
       break
 
 def add_ir_checks(output_lines, comment_marker, prefix_list, func_dict,
-                  func_name, preserve_names, function_sig, global_vars_seen_dict):
+                  func_name, preserve_names, function_sig, global_vars_seen_dict, func_name_repl=None):
+  # Replace function name.
+  if func_name_repl:
+    for prefix in func_dict:
+      if func_name in func_dict[prefix]:
+        func_dict[prefix][func_name_repl] = func_dict[prefix][func_name]
+    func_name = func_name_repl
   # Label format is based on IR string.
   function_def_regex = 'define {{[^@]+}}' if function_sig else ''
   check_label_format = '{} %s-LABEL: {}@%s%s'.format(comment_marker, function_def_regex)


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