diff options
Diffstat (limited to 'llvm/utils/update_llc_test_checks.py')
| -rwxr-xr-x | llvm/utils/update_llc_test_checks.py | 59 |
1 files changed, 31 insertions, 28 deletions
diff --git a/llvm/utils/update_llc_test_checks.py b/llvm/utils/update_llc_test_checks.py index 4ce034df308..781fab54f69 100755 --- a/llvm/utils/update_llc_test_checks.py +++ b/llvm/utils/update_llc_test_checks.py @@ -15,7 +15,7 @@ import sys import tempfile import re - +# Invoke the tool that is being tested. def llc(args, cmd_args, ir): with open(ir) as ir_file: stdout = subprocess.check_output(args.llc_binary + ' ' + cmd_args, @@ -25,33 +25,45 @@ def llc(args, cmd_args, ir): return stdout -ASM_SCRUB_WHITESPACE_RE = re.compile(r'(?!^(| \w))[ \t]+', flags=re.M) -ASM_SCRUB_TRAILING_WHITESPACE_RE = re.compile(r'[ \t]+$', flags=re.M) -ASM_SCRUB_SHUFFLES_RE = ( +# RegEx: this is where the magic happens. + +SCRUB_WHITESPACE_RE = re.compile(r'(?!^(| \w))[ \t]+', flags=re.M) +SCRUB_TRAILING_WHITESPACE_RE = re.compile(r'[ \t]+$', flags=re.M) +SCRUB_X86_SHUFFLES_RE = ( re.compile( r'^(\s*\w+) [^#\n]+#+ ((?:[xyz]mm\d+|mem) = .*)$', flags=re.M)) -ASM_SCRUB_SP_RE = re.compile(r'\d+\(%(esp|rsp)\)') -ASM_SCRUB_RIP_RE = re.compile(r'[.\w]+\(%rip\)') -ASM_SCRUB_KILL_COMMENT_RE = re.compile(r'^ *#+ +kill:.*\n') +SCRUB_X86_SP_RE = re.compile(r'\d+\(%(esp|rsp)\)') +SCRUB_X86_RIP_RE = re.compile(r'[.\w]+\(%rip\)') +SCRUB_KILL_COMMENT_RE = re.compile(r'^ *#+ +kill:.*\n') + +RUN_LINE_RE = re.compile('^\s*;\s*RUN:\s*(.*)$') +IR_FUNCTION_RE = re.compile('^\s*define\s+(?:internal\s+)?[^@]*@(\w+)\s*\(') +ASM_FUNCTION_RE = re.compile( + r'^_?(?P<f>[^:]+):[ \t]*#+[ \t]*@(?P=f)\n[^:]*?' + r'(?P<body>^##?[ \t]+[^:]+:.*?)\s*' + r'^\s*(?:[^:\n]+?:\s*\n\s*\.size|\.cfi_endproc|\.globl|\.comm|\.(?:sub)?section)', + flags=(re.M | re.S)) +CHECK_PREFIX_RE = re.compile('--check-prefix=(\S+)') +CHECK_RE = re.compile(r'^\s*;\s*([^:]+?)(?:-NEXT|-NOT|-DAG|-LABEL)?:') def scrub_asm(asm): # Scrub runs of whitespace out of the assembly, but leave the leading # whitespace in place. - asm = ASM_SCRUB_WHITESPACE_RE.sub(r' ', asm) + asm = SCRUB_WHITESPACE_RE.sub(r' ', asm) # Expand the tabs used for indentation. asm = string.expandtabs(asm, 2) # Detect shuffle asm comments and hide the operands in favor of the comments. - asm = ASM_SCRUB_SHUFFLES_RE.sub(r'\1 {{.*#+}} \2', asm) + asm = SCRUB_X86_SHUFFLES_RE.sub(r'\1 {{.*#+}} \2', asm) # Generically match the stack offset of a memory operand. - asm = ASM_SCRUB_SP_RE.sub(r'{{[0-9]+}}(%\1)', asm) + asm = SCRUB_X86_SP_RE.sub(r'{{[0-9]+}}(%\1)', asm) # Generically match a RIP-relative memory operand. - asm = ASM_SCRUB_RIP_RE.sub(r'{{.*}}(%rip)', asm) + asm = SCRUB_X86_RIP_RE.sub(r'{{.*}}(%rip)', asm) # Strip kill operands inserted into the asm. - asm = ASM_SCRUB_KILL_COMMENT_RE.sub('', asm) + asm = SCRUB_KILL_COMMENT_RE.sub('', asm) # Strip trailing whitespace. - asm = ASM_SCRUB_TRAILING_WHITESPACE_RE.sub(r'', asm) + asm = SCRUB_TRAILING_WHITESPACE_RE.sub(r'', asm) return asm @@ -66,15 +78,6 @@ def main(): parser.add_argument('tests', nargs='+') args = parser.parse_args() - run_line_re = re.compile('^\s*;\s*RUN:\s*(.*)$') - ir_function_re = re.compile('^\s*define\s+(?:internal\s+)?[^@]*@(\w+)\s*\(') - asm_function_re = re.compile( - r'^_?(?P<f>[^:]+):[ \t]*#+[ \t]*@(?P=f)\n[^:]*?' - r'(?P<body>^##?[ \t]+[^:]+:.*?)\s*' - r'^\s*(?:[^:\n]+?:\s*\n\s*\.size|\.cfi_endproc|\.globl|\.comm|\.(?:sub)?section)', - flags=(re.M | re.S)) - check_prefix_re = re.compile('--check-prefix=(\S+)') - check_re = re.compile(r'^\s*;\s*([^:]+?)(?:-NEXT|-NOT|-DAG|-LABEL)?:') autogenerated_note = ('; NOTE: Assertions have been autogenerated by ' 'utils/update_llc_test_checks.py') @@ -85,7 +88,7 @@ def main(): test_lines = [l.rstrip() for l in f] run_lines = [m.group(1) - for m in [run_line_re.match(l) for l in test_lines] if m] + for m in [RUN_LINE_RE.match(l) for l in test_lines] if m] if args.verbose: print >>sys.stderr, 'Found %d RUN lines:' % (len(run_lines),) for l in run_lines: @@ -106,7 +109,7 @@ def main(): llc_cmd_args = llc_cmd_args.replace('< %s', '').replace('%s', '').strip() check_prefixes = [m.group(1) - for m in check_prefix_re.finditer(filecheck_cmd)] + for m in CHECK_PREFIX_RE.finditer(filecheck_cmd)] if not check_prefixes: check_prefixes = ['CHECK'] @@ -124,7 +127,7 @@ def main(): print >>sys.stderr, 'Extracted FileCheck prefixes: ' + str(prefixes) raw_asm = llc(args, llc_args, test) # Build up a dictionary of all the function bodies. - for m in asm_function_re.finditer(raw_asm): + for m in ASM_FUNCTION_RE.finditer(raw_asm): if not m: continue f = m.group('f') @@ -158,7 +161,7 @@ def main(): for l in test_lines: if is_in_function_start: if l.lstrip().startswith(';'): - m = check_re.match(l) + m = CHECK_RE.match(l) if not m or m.group(1) not in prefix_set: fixed_lines.append(l) continue @@ -187,7 +190,7 @@ def main(): if l.strip() == ';': continue # And skip any CHECK lines. We'll build our own. - m = check_re.match(l) + m = CHECK_RE.match(l) if m and m.group(1) in prefix_set: continue # Collect the remaining lines in the function body and look for the end @@ -201,7 +204,7 @@ def main(): continue fixed_lines.append(l) - m = ir_function_re.match(l) + m = IR_FUNCTION_RE.match(l) if not m: continue name = m.group(1) |
