diff options
Diffstat (limited to 'scripts/fuzz_opt.py')
| -rwxr-xr-x | scripts/fuzz_opt.py | 20 |
1 files changed, 18 insertions, 2 deletions
diff --git a/scripts/fuzz_opt.py b/scripts/fuzz_opt.py index 982a735ec..3608e339e 100755 --- a/scripts/fuzz_opt.py +++ b/scripts/fuzz_opt.py @@ -581,6 +581,7 @@ ignored_vm_runs = 0 def note_ignored_vm_run(): global ignored_vm_runs + print('(ignore VM run)') ignored_vm_runs += 1 @@ -838,7 +839,10 @@ class CompareVMs(TestCaseHandler): # NaNs can differ from wasm VMs return not NANS - self.vms = [BinaryenInterpreter(), + # the binaryen interpreter is specifically useful for various things + self.bynterpreter = BinaryenInterpreter() + + self.vms = [self.bynterpreter, D8(), D8Liftoff(), D8TurboFan(), @@ -848,7 +852,20 @@ class CompareVMs(TestCaseHandler): ] def handle_pair(self, input, before_wasm, after_wasm, opts): + global ignored_vm_runs + ignored_before = ignored_vm_runs + before = self.run_vms(before_wasm) + + # if the binaryen interpreter hit a host limitation on the original + # testcase, or for some other reason we need to ignore this, then stop + # (otherwise, a host limitation on say allocations may be hit in the + # 'before' but not in the 'after' as optimizations may remove it). + if before[self.bynterpreter] == IGNORE: + # the ignoring should have been noted during run_vms() + assert(ignored_vm_runs > ignored_before) + return + after = self.run_vms(after_wasm) self.compare_before_and_after(before, after) @@ -861,7 +878,6 @@ class CompareVMs(TestCaseHandler): vm_results[vm] = fix_output(vm.run(wasm)) # compare between the vms on this specific input - first_vm = None for vm in vm_results.keys(): if vm.can_compare_to_others(): |