diff options
Diffstat (limited to 'scripts/fuzz_opt.py')
| -rwxr-xr-x | scripts/fuzz_opt.py | 23 |
1 files changed, 16 insertions, 7 deletions
diff --git a/scripts/fuzz_opt.py b/scripts/fuzz_opt.py index bc3b9fd5d..b3310cad0 100755 --- a/scripts/fuzz_opt.py +++ b/scripts/fuzz_opt.py @@ -450,7 +450,7 @@ class CompareVMs(TestCaseHandler): class FuzzExec(TestCaseHandler): def get_commands(self, wasm, opts, random_seed): return [ - '%(MAX_INTERPRETER_ENV_VAR)s=%(MAX_INTERPRETER_DEPTH)d %(wasm_opt)s --fuzz-exec --fuzz-binary %(opts)s %(wasm)s' % { + '%(MAX_INTERPRETER_ENV_VAR)s=%(MAX_INTERPRETER_DEPTH)d %(wasm_opt)s --fuzz-exec %(opts)s %(wasm)s' % { 'MAX_INTERPRETER_ENV_VAR': MAX_INTERPRETER_ENV_VAR, 'MAX_INTERPRETER_DEPTH': MAX_INTERPRETER_DEPTH, 'wasm_opt': in_bin('wasm-opt'), @@ -764,16 +764,25 @@ opt_choices = [ def randomize_opt_flags(): - ret = [] + flag_groups = [] + has_flatten = False # core opts while 1: choice = random.choice(opt_choices) - if '--flatten' in ret and '--flatten' in choice: - print('avoiding multiple --flatten in a single command, due to exponential overhead') - else: - ret += choice - if len(ret) > 20 or random.random() < 0.3: + if '--flatten' in choice: + if has_flatten: + print('avoiding multiple --flatten in a single command, due to exponential overhead') + continue + else: + has_flatten = True + flag_groups.append(choice) + if len(flag_groups) > 20 or random.random() < 0.3: break + # maybe add an extra round trip + if random.random() < 0.5: + pos = random.randint(0, len(flag_groups)) + flag_groups = flag_groups[:pos] + [['--roundtrip']] + flag_groups[pos:] + ret = [flag for group in flag_groups for flag in group] # modifiers (if not already implied by a -O? option) if '-O' not in str(ret): if random.random() < 0.5: |