From: Markus Lavin Date: Fri, 5 Nov 2021 07:38:57 +0000 (+0100) Subject: [NPM] Fix bug in llvm/utils/reduce_pipeline.py X-Git-Tag: upstream/15.0.7~26664 X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=7e34d5ead17563a2aa734b8adcc0fcff5373aebb;p=platform%2Fupstream%2Fllvm.git [NPM] Fix bug in llvm/utils/reduce_pipeline.py Last minute changes in https://reviews.llvm.org/D110908 unfortunately introduced a bug wrt automatic pipeline expansion. This patch fixes that as well as gets rid of a few redundant variables. Reviewed By: aeubanks Differential Revision: https://reviews.llvm.org/D113177 --- diff --git a/llvm/utils/reduce_pipeline.py b/llvm/utils/reduce_pipeline.py index 7779bb8..baf6b2f 100755 --- a/llvm/utils/reduce_pipeline.py +++ b/llvm/utils/reduce_pipeline.py @@ -57,7 +57,6 @@ print('The following extra args will be passed to opt: {}'.format( extra_opt_args)) lst = pipeline.fromStr(args.passes) -passes = '-passes={}'.format(pipeline.toStr(lst)) ll_input = args.input # Step #-1 @@ -67,7 +66,8 @@ ll_input = args.input if not args.dont_expand_passes: run_args = [ args.opt_binary, '-disable-symbolication', '-disable-output', - '-print-pipeline-passes', passes, ll_input + '-print-pipeline-passes', '-passes={}'.format(pipeline.toStr(lst)), + ll_input ] run_args.extend(extra_opt_args) opt = subprocess.run(run_args, @@ -81,15 +81,15 @@ if not args.dont_expand_passes: exit(1) stdout = opt.stdout.decode() stdout = stdout[:stdout.rfind('\n')] - print('Expanded pass sequence: {}'.format(stdout)) - passes = '-passes={}'.format(stdout) + lst = pipeline.fromStr(stdout) + print('Expanded pass sequence: {}'.format(pipeline.toStr(lst))) # Step #0 # Confirm that the given input, passes and options result in failure. print('---Starting step #0---') run_args = [ - args.opt_binary, '-disable-symbolication', '-disable-output', passes, - ll_input + args.opt_binary, '-disable-symbolication', '-disable-output', + '-passes={}'.format(pipeline.toStr(lst)), ll_input ] run_args.extend(extra_opt_args) opt = subprocess.run(run_args, stdout=subprocess.PIPE, stderr=subprocess.PIPE) @@ -121,22 +121,20 @@ for idx in range(pipeline.count(lst)): if not args.dont_remove_empty_pm: lstA = pipeline.prune(lstA) lstB = pipeline.prune(lstB) - passesA = '-passes=' + pipeline.toStr(lstA) - passesB = '-passes=' + pipeline.toStr(lstB) intermediate = 'intermediate-0.ll' if idx % 2 else 'intermediate-1.ll' intermediate = tmpd.name + '/' + intermediate run_args = [ args.opt_binary, '-disable-symbolication', '-S', '-o', intermediate, - passesA, ll_input + '-passes={}'.format(pipeline.toStr(lstA)), ll_input ] run_args.extend(extra_opt_args) optA = subprocess.run(run_args, stdout=subprocess.PIPE, stderr=subprocess.PIPE) run_args = [ - args.opt_binary, '-disable-symbolication', '-disable-output', passesB, - intermediate + args.opt_binary, '-disable-symbolication', '-disable-output', + '-passes={}'.format(pipeline.toStr(lstB)), intermediate ] run_args.extend(extra_opt_args) optB = subprocess.run(run_args, @@ -161,10 +159,9 @@ for idx in reversed(range(pipeline.count(lst))): [lstA, lstB] = pipeline.split(lst, idx) if not args.dont_remove_empty_pm: lstA = pipeline.prune(lstA) - passesA = '-passes=' + pipeline.toStr(lstA) run_args = [ - args.opt_binary, '-disable-symbolication', '-disable-output', passesA, - ll_input + args.opt_binary, '-disable-symbolication', '-disable-output', + '-passes={}'.format(pipeline.toStr(lstA)), ll_input ] run_args.extend(extra_opt_args) optA = subprocess.run(run_args, @@ -188,10 +185,9 @@ while True: candLst = pipeline.remove(lst, idx) if not args.dont_remove_empty_pm: candLst = pipeline.prune(candLst) - passes = '-passes=' + pipeline.toStr(candLst) run_args = [ args.opt_binary, '-disable-symbolication', '-disable-output', - passes, ll_input + '-passes={}'.format(pipeline.toStr(candLst)), ll_input ] run_args.extend(extra_opt_args) opt = subprocess.run(run_args, diff --git a/llvm/utils/reduce_pipeline_test/fake_opt.py b/llvm/utils/reduce_pipeline_test/fake_opt.py index 225b6ee..ca66199 100755 --- a/llvm/utils/reduce_pipeline_test/fake_opt.py +++ b/llvm/utils/reduce_pipeline_test/fake_opt.py @@ -23,9 +23,12 @@ parser.add_argument('-o', action='store', dest='output') parser.add_argument('input') [args, unknown_args] = parser.parse_known_args() -# Echo pipeline if '-print-pipeline-passes'. +# Expand pipeline if '-print-pipeline-passes'. if args.print_pipeline_passes: - print(args.passes) + if args.passes == 'EXPAND_a_to_f': + print('a,b,c,d,e,f') + else: + print(args.passes) exit(0) # Parse '-crash-seq'. diff --git a/llvm/utils/reduce_pipeline_test/test.py b/llvm/utils/reduce_pipeline_test/test.py index 03616fd..170b2d4 100755 --- a/llvm/utils/reduce_pipeline_test/test.py +++ b/llvm/utils/reduce_pipeline_test/test.py @@ -45,19 +45,32 @@ class Test(unittest.TestCase): self.assertEqual(run.returncode, 0) self.assertEqual(getFinalPasses(run), '-passes="a,i"') - def test_2(self): - """Test the '--dont-expand-passes' option.""" + def test_2_0(self): + """Test expansion of EXPAND_a_to_f (expands into 'a,b,c,d,e,f').""" run_args = [ './utils/reduce_pipeline.py', '--opt-binary=./utils/reduce_pipeline_test/fake_opt.py', - '--input=/dev/null', '--passes=a,b,c,A(d,B(e,f),g),h,i', - '-crash-seq=b,d,f', '--dont-expand-passes' + '--input=/dev/null', '--passes=EXPAND_a_to_f', '-crash-seq=b,e' ] run = subprocess.run(run_args, stdout=subprocess.PIPE, stderr=subprocess.PIPE) self.assertEqual(run.returncode, 0) - self.assertEqual(getFinalPasses(run), '-passes="b,A(d,B(f))"') + self.assertEqual(getFinalPasses(run), '-passes="b,e"') + + def test_2_1(self): + """Test EXPAND_a_to_f and the '--dont-expand-passes' option.""" + run_args = [ + './utils/reduce_pipeline.py', + '--opt-binary=./utils/reduce_pipeline_test/fake_opt.py', + '--input=/dev/null', '--passes=EXPAND_a_to_f', + '-crash-seq=EXPAND_a_to_f', '--dont-expand-passes' + ] + run = subprocess.run(run_args, + stdout=subprocess.PIPE, + stderr=subprocess.PIPE) + self.assertEqual(run.returncode, 0) + self.assertEqual(getFinalPasses(run), '-passes="EXPAND_a_to_f"') def test_3(self): """Test that empty pass-managers get removed by default."""