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[utils] De-duplicate utils/update_{llc_,}test_checks.py

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Subscribers: llvm-commits

Differential Revision: https://reviews.llvm.org/D42654

llvm-svn: 323718
This commit is contained in:
Fangrui Song 2018-01-30 00:40:05 +00:00
parent 96f8c5c420
commit ee4e2e718d
5 changed files with 296 additions and 333 deletions
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0
llvm/utils/UpdateTestChecks/__init__.py Normal file
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199
llvm/utils/UpdateTestChecks/asm.py Normal file
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@ -0,0 +1,199 @@
import re
import string
from . import common
# RegEx: this is where the magic happens.
ASM_FUNCTION_X86_RE = re.compile(
r'^_?(?P<func>[^:]+):[ \t]*#+[ \t]*@(?P=func)\n[^:]*?'
r'(?P<body>^##?[ \t]+[^:]+:.*?)\s*'
r'^\s*(?:[^:\n]+?:\s*\n\s*\.size|\.cfi_endproc|\.globl|\.comm|\.(?:sub)?section|#+ -- End function)',
flags=(re.M | re.S))
ASM_FUNCTION_ARM_RE = re.compile(
r'^(?P<func>[0-9a-zA-Z_]+):\n' # f: (name of function)
r'\s+\.fnstart\n' # .fnstart
r'(?P<body>.*?)\n' # (body of the function)
r'.Lfunc_end[0-9]+:', # .Lfunc_end0: or # -- End function
flags=(re.M | re.S))
ASM_FUNCTION_AARCH64_RE = re.compile(
r'^_?(?P<func>[^:]+):[ \t]*\/\/[ \t]*@(?P=func)\n'
r'[ \t]+.cfi_startproc\n'
r'(?P<body>.*?)\n'
# This list is incomplete
r'.Lfunc_end[0-9]+:\n',
flags=(re.M | re.S))
ASM_FUNCTION_MIPS_RE = re.compile(
r'^_?(?P<func>[^:]+):[ \t]*#+[ \t]*@(?P=func)\n[^:]*?' # f: (name of func)
r'(?:^[ \t]+\.(frame|f?mask|set).*?\n)+' # Mips+LLVM standard asm prologue
r'(?P<body>.*?)\n' # (body of the function)
r'(?:^[ \t]+\.(set|end).*?\n)+' # Mips+LLVM standard asm epilogue
r'(\$|\.L)func_end[0-9]+:\n', # $func_end0: (mips32 - O32) or
# .Lfunc_end0: (mips64 - NewABI)
flags=(re.M | re.S))
ASM_FUNCTION_PPC_RE = re.compile(
r'^_?(?P<func>[^:]+):[ \t]*#+[ \t]*@(?P=func)\n'
r'\.Lfunc_begin[0-9]+:\n'
r'(?:[ \t]+.cfi_startproc\n)?'
r'(?:\.Lfunc_[gl]ep[0-9]+:\n(?:[ \t]+.*?\n)*)*'
r'(?P<body>.*?)\n'
# This list is incomplete
r'(?:^[ \t]*(?:\.long[ \t]+[^\n]+|\.quad[ \t]+[^\n]+)\n)*'
r'.Lfunc_end[0-9]+:\n',
flags=(re.M | re.S))
ASM_FUNCTION_RISCV_RE = re.compile(
r'^_?(?P<func>[^:]+):[ \t]*#+[ \t]*@(?P=func)\n[^:]*?'
r'(?P<body>^##?[ \t]+[^:]+:.*?)\s*'
r'.Lfunc_end[0-9]+:\n',
flags=(re.M | re.S))
ASM_FUNCTION_SYSTEMZ_RE = re.compile(
r'^_?(?P<func>[^:]+):[ \t]*#+[ \t]*@(?P=func)\n'
r'[ \t]+.cfi_startproc\n'
r'(?P<body>.*?)\n'
r'.Lfunc_end[0-9]+:\n',
flags=(re.M | re.S))
SCRUB_LOOP_COMMENT_RE = re.compile(
r'# =>This Inner Loop Header:.*|# in Loop:.*', flags=re.M)
SCRUB_X86_SHUFFLES_RE = (
re.compile(
r'^(\s*\w+) [^#\n]+#+ ((?:[xyz]mm\d+|mem)( \{%k\d+\}( \{z\})?)? = .*)$',
flags=re.M))
SCRUB_X86_SP_RE = re.compile(r'\d+\(%(esp|rsp)\)')
SCRUB_X86_RIP_RE = re.compile(r'[.\w]+\(%rip\)')
SCRUB_X86_LCP_RE = re.compile(r'\.LCPI[0-9]+_[0-9]+')
SCRUB_X86_RET_RE = re.compile(r'ret[l|q]')
def scrub_asm_x86(asm, args):
# Scrub runs of whitespace out of the assembly, but leave the leading
# whitespace in place.
asm = common.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 = SCRUB_X86_SHUFFLES_RE.sub(r'\1 {{.*#+}} \2', asm)
# Generically match the stack offset of a memory operand.
asm = SCRUB_X86_SP_RE.sub(r'{{[0-9]+}}(%\1)', asm)
# Generically match a RIP-relative memory operand.
asm = SCRUB_X86_RIP_RE.sub(r'{{.*}}(%rip)', asm)
# Generically match a LCP symbol.
asm = SCRUB_X86_LCP_RE.sub(r'{{\.LCPI.*}}', asm)
if args.x86_extra_scrub:
# Avoid generating different checks for 32- and 64-bit because of 'retl' vs 'retq'.
asm = SCRUB_X86_RET_RE.sub(r'ret{{[l|q]}}', asm)
# Strip kill operands inserted into the asm.
asm = common.SCRUB_KILL_COMMENT_RE.sub('', asm)
# Strip trailing whitespace.
asm = common.SCRUB_TRAILING_WHITESPACE_RE.sub(r'', asm)
return asm
def scrub_asm_arm_eabi(asm, args):
# Scrub runs of whitespace out of the assembly, but leave the leading
# whitespace in place.
asm = common.SCRUB_WHITESPACE_RE.sub(r' ', asm)
# Expand the tabs used for indentation.
asm = string.expandtabs(asm, 2)
# Strip kill operands inserted into the asm.
asm = common.SCRUB_KILL_COMMENT_RE.sub('', asm)
# Strip trailing whitespace.
asm = common.SCRUB_TRAILING_WHITESPACE_RE.sub(r'', asm)
return asm
def scrub_asm_powerpc64(asm, args):
# Scrub runs of whitespace out of the assembly, but leave the leading
# whitespace in place.
asm = common.SCRUB_WHITESPACE_RE.sub(r' ', asm)
# Expand the tabs used for indentation.
asm = string.expandtabs(asm, 2)
# Stripe unimportant comments
asm = SCRUB_LOOP_COMMENT_RE.sub(r'', asm)
# Strip trailing whitespace.
asm = common.SCRUB_TRAILING_WHITESPACE_RE.sub(r'', asm)
return asm
def scrub_asm_mips(asm, args):
# Scrub runs of whitespace out of the assembly, but leave the leading
# whitespace in place.
asm = common.SCRUB_WHITESPACE_RE.sub(r' ', asm)
# Expand the tabs used for indentation.
asm = string.expandtabs(asm, 2)
# Strip trailing whitespace.
asm = common.SCRUB_TRAILING_WHITESPACE_RE.sub(r'', asm)
return asm
def scrub_asm_riscv(asm, args):
# Scrub runs of whitespace out of the assembly, but leave the leading
# whitespace in place.
asm = common.SCRUB_WHITESPACE_RE.sub(r' ', asm)
# Expand the tabs used for indentation.
asm = string.expandtabs(asm, 2)
# Strip trailing whitespace.
asm = common.SCRUB_TRAILING_WHITESPACE_RE.sub(r'', asm)
return asm
def scrub_asm_systemz(asm, args):
# Scrub runs of whitespace out of the assembly, but leave the leading
# whitespace in place.
asm = common.SCRUB_WHITESPACE_RE.sub(r' ', asm)
# Expand the tabs used for indentation.
asm = string.expandtabs(asm, 2)
# Strip trailing whitespace.
asm = common.SCRUB_TRAILING_WHITESPACE_RE.sub(r'', asm)
return asm
def build_function_body_dictionary_for_triple(args, raw_tool_output, triple, prefixes, func_dict):
target_handlers = {
'x86_64': (scrub_asm_x86, ASM_FUNCTION_X86_RE),
'i686': (scrub_asm_x86, ASM_FUNCTION_X86_RE),
'x86': (scrub_asm_x86, ASM_FUNCTION_X86_RE),
'i386': (scrub_asm_x86, ASM_FUNCTION_X86_RE),
'aarch64': (scrub_asm_arm_eabi, ASM_FUNCTION_AARCH64_RE),
'arm-eabi': (scrub_asm_arm_eabi, ASM_FUNCTION_ARM_RE),
'thumb-eabi': (scrub_asm_arm_eabi, ASM_FUNCTION_ARM_RE),
'thumbv6': (scrub_asm_arm_eabi, ASM_FUNCTION_ARM_RE),
'thumbv6-eabi': (scrub_asm_arm_eabi, ASM_FUNCTION_ARM_RE),
'thumbv6t2': (scrub_asm_arm_eabi, ASM_FUNCTION_ARM_RE),
'thumbv6t2-eabi': (scrub_asm_arm_eabi, ASM_FUNCTION_ARM_RE),
'thumbv6m': (scrub_asm_arm_eabi, ASM_FUNCTION_ARM_RE),
'thumbv6m-eabi': (scrub_asm_arm_eabi, ASM_FUNCTION_ARM_RE),
'thumbv7': (scrub_asm_arm_eabi, ASM_FUNCTION_ARM_RE),
'thumbv7-eabi': (scrub_asm_arm_eabi, ASM_FUNCTION_ARM_RE),
'thumbv7m': (scrub_asm_arm_eabi, ASM_FUNCTION_ARM_RE),
'thumbv7m-eabi': (scrub_asm_arm_eabi, ASM_FUNCTION_ARM_RE),
'thumbv8-eabi': (scrub_asm_arm_eabi, ASM_FUNCTION_ARM_RE),
'thumbv8m.base': (scrub_asm_arm_eabi, ASM_FUNCTION_ARM_RE),
'thumbv8m.main': (scrub_asm_arm_eabi, ASM_FUNCTION_ARM_RE),
'armv6': (scrub_asm_arm_eabi, ASM_FUNCTION_ARM_RE),
'armv7': (scrub_asm_arm_eabi, ASM_FUNCTION_ARM_RE),
'armv7-eabi': (scrub_asm_arm_eabi, ASM_FUNCTION_ARM_RE),
'armeb-eabi': (scrub_asm_arm_eabi, ASM_FUNCTION_ARM_RE),
'armv7eb-eabi': (scrub_asm_arm_eabi, ASM_FUNCTION_ARM_RE),
'armv7eb': (scrub_asm_arm_eabi, ASM_FUNCTION_ARM_RE),
'mips': (scrub_asm_mips, ASM_FUNCTION_MIPS_RE),
'powerpc64': (scrub_asm_powerpc64, ASM_FUNCTION_PPC_RE),
'powerpc64le': (scrub_asm_powerpc64, ASM_FUNCTION_PPC_RE),
'riscv32': (scrub_asm_riscv, ASM_FUNCTION_RISCV_RE),
'riscv64': (scrub_asm_riscv, ASM_FUNCTION_RISCV_RE),
's390x': (scrub_asm_systemz, ASM_FUNCTION_SYSTEMZ_RE),
}
handlers = None
for prefix, s in target_handlers.items():
if triple.startswith(prefix):
handlers = s
break
else:
raise KeyError('Triple %r is not supported' % (triple))
scrubber, function_re = handlers
common.build_function_body_dictionary(
function_re, scrubber, [args], raw_tool_output, prefixes,
func_dict, args.verbose)

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llvm/utils/UpdateTestChecks/common.py Normal file
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@ -0,0 +1,65 @@
import re
import subprocess
RUN_LINE_RE = re.compile('^\s*;\s*RUN:\s*(.*)$')
CHECK_PREFIX_RE = re.compile('--?check-prefix(?:es)?=(\S+)')
CHECK_RE = re.compile(r'^\s*;\s*([^:]+?)(?:-NEXT|-NOT|-DAG|-LABEL)?:')
IR_FUNCTION_RE = re.compile('^\s*define\s+(?:internal\s+)?[^@]*@(\w+)\s*\(')
TRIPLE_IR_RE = re.compile(r'^target\s+triple\s*=\s*"([^"]+)"$')
TRIPLE_ARG_RE = re.compile(r'-mtriple=([^ ]+)')
SCRUB_LEADING_WHITESPACE_RE = re.compile(r'^(\s+)')
SCRUB_WHITESPACE_RE = re.compile(r'(?!^(| \w))[ \t]+', flags=re.M)
SCRUB_TRAILING_WHITESPACE_RE = re.compile(r'[ \t]+$', flags=re.M)
SCRUB_KILL_COMMENT_RE = re.compile(r'^ *#+ +kill:.*\n')
SCRUB_LOOP_COMMENT_RE = re.compile(
r'# =>This Inner Loop Header:.*|# in Loop:.*', flags=re.M)
def should_add_line_to_output(input_line, prefix_set):
# Skip any blank comment lines in the IR.
if input_line.strip() == ';':
return False
# Skip any blank lines in the IR.
#if input_line.strip() == '':
# return False
# And skip any CHECK lines. We're building our own.
m = CHECK_RE.match(input_line)
if m and m.group(1) in prefix_set:
return False
return True
# Invoke the tool that is being tested.
def invoke_tool(exe, cmd_args, ir):
with open(ir) as ir_file:
stdout = subprocess.check_output(exe + ' ' + cmd_args,
shell=True, stdin=ir_file)
# Fix line endings to unix CR style.
stdout = stdout.replace('\r\n', '\n')
return stdout
# Build up a dictionary of all the function bodies.
def build_function_body_dictionary(function_re, scrubber, scrubber_args, raw_tool_output, prefixes, func_dict, verbose):
for m in function_re.finditer(raw_tool_output):
if not m:
continue
func = m.group('func')
scrubbed_body = scrubber(m.group('body'), *scrubber_args)
if func.startswith('stress'):
# We only use the last line of the function body for stress tests.
scrubbed_body = '\n'.join(scrubbed_body.splitlines()[-1:])
if verbose:
print >>sys.stderr, 'Processing function: ' + func
for l in scrubbed_body.splitlines():
print >>sys.stderr, ' ' + l
for prefix in prefixes:
if func in func_dict[prefix] and func_dict[prefix][func] != scrubbed_body:
if prefix == prefixes[-1]:
print >>sys.stderr, ('WARNING: Found conflicting asm under the '
'same prefix: %r!' % (prefix,))
else:
func_dict[prefix][func] = None
continue
func_dict[prefix][func] = scrubbed_body

279
llvm/utils/update_llc_test_checks.py
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@ -2,7 +2,7 @@
"""A test case update script.
This script is a utility to update LLVM X86 'llc' based test cases with new
This script is a utility to update LLVM 'llc' based test cases with new
FileCheck patterns. It can either update all of the tests in the file or
a single test function.
"""
@ -14,241 +14,9 @@ import subprocess
import sys
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,
shell=True, stdin=ir_file)
# Fix line endings to unix CR style.
stdout = stdout.replace('\r\n', '\n')
return stdout
from UpdateTestChecks import asm, common
# RegEx: this is where the magic happens.
ASM_FUNCTION_X86_RE = re.compile(
r'^_?(?P<func>[^:]+):[ \t]*#+[ \t]*@(?P=func)\n[^:]*?'
r'(?P<body>^##?[ \t]+[^:]+:.*?)\s*'
r'^\s*(?:[^:\n]+?:\s*\n\s*\.size|\.cfi_endproc|\.globl|\.comm|\.(?:sub)?section|#+ -- End function)',
flags=(re.M | re.S))
ASM_FUNCTION_ARM_RE = re.compile(
r'^(?P<func>[0-9a-zA-Z_]+):\n' # f: (name of function)
r'\s+\.fnstart\n' # .fnstart
r'(?P<body>.*?)\n' # (body of the function)
r'.Lfunc_end[0-9]+:', # .Lfunc_end0: or # -- End function
flags=(re.M | re.S))
ASM_FUNCTION_AARCH64_RE = re.compile(
r'^_?(?P<func>[^:]+):[ \t]*\/\/[ \t]*@(?P=func)\n'
r'[ \t]+.cfi_startproc\n'
r'(?P<body>.*?)\n'
# This list is incomplete
r'.Lfunc_end[0-9]+:\n',
flags=(re.M | re.S))
ASM_FUNCTION_MIPS_RE = re.compile(
r'^_?(?P<func>[^:]+):[ \t]*#+[ \t]*@(?P=func)\n[^:]*?' # f: (name of func)
r'(?:^[ \t]+\.(frame|f?mask|set).*?\n)+' # Mips+LLVM standard asm prologue
r'(?P<body>.*?)\n' # (body of the function)
r'(?:^[ \t]+\.(set|end).*?\n)+' # Mips+LLVM standard asm epilogue
r'(\$|\.L)func_end[0-9]+:\n', # $func_end0: (mips32 - O32) or
# .Lfunc_end0: (mips64 - NewABI)
flags=(re.M | re.S))
ASM_FUNCTION_PPC_RE = re.compile(
r'^_?(?P<func>[^:]+):[ \t]*#+[ \t]*@(?P=func)\n'
r'\.Lfunc_begin[0-9]+:\n'
r'(?:[ \t]+.cfi_startproc\n)?'
r'(?:\.Lfunc_[gl]ep[0-9]+:\n(?:[ \t]+.*?\n)*)*'
r'(?P<body>.*?)\n'
# This list is incomplete
r'(?:^[ \t]*(?:\.long[ \t]+[^\n]+|\.quad[ \t]+[^\n]+)\n)*'
r'.Lfunc_end[0-9]+:\n',
flags=(re.M | re.S))
ASM_FUNCTION_RISCV_RE = re.compile(
r'^_?(?P<func>[^:]+):[ \t]*#+[ \t]*@(?P=func)\n[^:]*?'
r'(?P<body>^##?[ \t]+[^:]+:.*?)\s*'
r'.Lfunc_end[0-9]+:\n',
flags=(re.M | re.S))
ASM_FUNCTION_SYSTEMZ_RE = re.compile(
r'^_?(?P<func>[^:]+):[ \t]*#+[ \t]*@(?P=func)\n'
r'[ \t]+.cfi_startproc\n'
r'(?P<body>.*?)\n'
r'.Lfunc_end[0-9]+:\n',
flags=(re.M | re.S))
SCRUB_WHITESPACE_RE = re.compile(r'(?!^(| \w))[ \t]+', flags=re.M)
SCRUB_TRAILING_WHITESPACE_RE = re.compile(r'[ \t]+$', flags=re.M)
SCRUB_KILL_COMMENT_RE = re.compile(r'^ *#+ +kill:.*\n')
SCRUB_LOOP_COMMENT_RE = re.compile(
r'# =>This Inner Loop Header:.*|# in Loop:.*', flags=re.M)
SCRUB_X86_SHUFFLES_RE = (
re.compile(
r'^(\s*\w+) [^#\n]+#+ ((?:[xyz]mm\d+|mem)( \{%k\d+\}( \{z\})?)? = .*)$',
flags=re.M))
SCRUB_X86_SP_RE = re.compile(r'\d+\(%(esp|rsp)\)')
SCRUB_X86_RIP_RE = re.compile(r'[.\w]+\(%rip\)')
SCRUB_X86_LCP_RE = re.compile(r'\.LCPI[0-9]+_[0-9]+')
SCRUB_X86_RET_RE = re.compile(r'ret[l|q]')
RUN_LINE_RE = re.compile('^\s*;\s*RUN:\s*(.*)$')
TRIPLE_ARG_RE = re.compile(r'-mtriple=([^ ]+)')
TRIPLE_IR_RE = re.compile(r'^target\s+triple\s*=\s*"([^"]+)"$')
IR_FUNCTION_RE = re.compile('^\s*define\s+(?:internal\s+)?[^@]*@(\w+)\s*\(')
CHECK_PREFIX_RE = re.compile('--?check-prefix(?:es)?=(\S+)')
CHECK_RE = re.compile(r'^\s*;\s*([^:]+?)(?:-NEXT|-NOT|-DAG|-LABEL)?:')
def scrub_asm_x86(asm, args):
# Scrub runs of whitespace out of the assembly, but leave the leading
# whitespace in place.
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 = SCRUB_X86_SHUFFLES_RE.sub(r'\1 {{.*#+}} \2', asm)
# Generically match the stack offset of a memory operand.
asm = SCRUB_X86_SP_RE.sub(r'{{[0-9]+}}(%\1)', asm)
# Generically match a RIP-relative memory operand.
asm = SCRUB_X86_RIP_RE.sub(r'{{.*}}(%rip)', asm)
# Generically match a LCP symbol.
asm = SCRUB_X86_LCP_RE.sub(r'{{\.LCPI.*}}', asm)
if args.x86_extra_scrub:
# Avoid generating different checks for 32- and 64-bit because of 'retl' vs 'retq'.
asm = SCRUB_X86_RET_RE.sub(r'ret{{[l|q]}}', asm)
# Strip kill operands inserted into the asm.
asm = SCRUB_KILL_COMMENT_RE.sub('', asm)
# Strip trailing whitespace.
asm = SCRUB_TRAILING_WHITESPACE_RE.sub(r'', asm)
return asm
def scrub_asm_arm_eabi(asm, args):
# Scrub runs of whitespace out of the assembly, but leave the leading
# whitespace in place.
asm = SCRUB_WHITESPACE_RE.sub(r' ', asm)
# Expand the tabs used for indentation.
asm = string.expandtabs(asm, 2)
# Strip kill operands inserted into the asm.
asm = SCRUB_KILL_COMMENT_RE.sub('', asm)
# Strip trailing whitespace.
asm = SCRUB_TRAILING_WHITESPACE_RE.sub(r'', asm)
return asm
def scrub_asm_powerpc64(asm, args):
# Scrub runs of whitespace out of the assembly, but leave the leading
# whitespace in place.
asm = SCRUB_WHITESPACE_RE.sub(r' ', asm)
# Expand the tabs used for indentation.
asm = string.expandtabs(asm, 2)
# Stripe unimportant comments
asm = SCRUB_LOOP_COMMENT_RE.sub(r'', asm)
# Strip trailing whitespace.
asm = SCRUB_TRAILING_WHITESPACE_RE.sub(r'', asm)
return asm
def scrub_asm_mips(asm, args):
# Scrub runs of whitespace out of the assembly, but leave the leading
# whitespace in place.
asm = SCRUB_WHITESPACE_RE.sub(r' ', asm)
# Expand the tabs used for indentation.
asm = string.expandtabs(asm, 2)
# Strip trailing whitespace.
asm = SCRUB_TRAILING_WHITESPACE_RE.sub(r'', asm)
return asm
def scrub_asm_riscv(asm, args):
# Scrub runs of whitespace out of the assembly, but leave the leading
# whitespace in place.
asm = SCRUB_WHITESPACE_RE.sub(r' ', asm)
# Expand the tabs used for indentation.
asm = string.expandtabs(asm, 2)
# Strip trailing whitespace.
asm = SCRUB_TRAILING_WHITESPACE_RE.sub(r'', asm)
return asm
def scrub_asm_systemz(asm, args):
# Scrub runs of whitespace out of the assembly, but leave the leading
# whitespace in place.
asm = SCRUB_WHITESPACE_RE.sub(r' ', asm)
# Expand the tabs used for indentation.
asm = string.expandtabs(asm, 2)
# Strip trailing whitespace.
asm = SCRUB_TRAILING_WHITESPACE_RE.sub(r'', asm)
return asm
# Build up a dictionary of all the function bodies.
def build_function_body_dictionary(raw_tool_output, triple, prefixes, func_dict,
args):
target_handlers = {
'x86_64': (scrub_asm_x86, ASM_FUNCTION_X86_RE),
'i686': (scrub_asm_x86, ASM_FUNCTION_X86_RE),
'x86': (scrub_asm_x86, ASM_FUNCTION_X86_RE),
'i386': (scrub_asm_x86, ASM_FUNCTION_X86_RE),
'aarch64': (scrub_asm_arm_eabi, ASM_FUNCTION_AARCH64_RE),
'arm-eabi': (scrub_asm_arm_eabi, ASM_FUNCTION_ARM_RE),
'thumb-eabi': (scrub_asm_arm_eabi, ASM_FUNCTION_ARM_RE),
'thumbv6': (scrub_asm_arm_eabi, ASM_FUNCTION_ARM_RE),
'thumbv6-eabi': (scrub_asm_arm_eabi, ASM_FUNCTION_ARM_RE),
'thumbv6t2': (scrub_asm_arm_eabi, ASM_FUNCTION_ARM_RE),
'thumbv6t2-eabi': (scrub_asm_arm_eabi, ASM_FUNCTION_ARM_RE),
'thumbv6m': (scrub_asm_arm_eabi, ASM_FUNCTION_ARM_RE),
'thumbv6m-eabi': (scrub_asm_arm_eabi, ASM_FUNCTION_ARM_RE),
'thumbv7': (scrub_asm_arm_eabi, ASM_FUNCTION_ARM_RE),
'thumbv7-eabi': (scrub_asm_arm_eabi, ASM_FUNCTION_ARM_RE),
'thumbv7m': (scrub_asm_arm_eabi, ASM_FUNCTION_ARM_RE),
'thumbv7m-eabi': (scrub_asm_arm_eabi, ASM_FUNCTION_ARM_RE),
'thumbv8-eabi': (scrub_asm_arm_eabi, ASM_FUNCTION_ARM_RE),
'thumbv8m.base': (scrub_asm_arm_eabi, ASM_FUNCTION_ARM_RE),
'thumbv8m.main': (scrub_asm_arm_eabi, ASM_FUNCTION_ARM_RE),
'armv6': (scrub_asm_arm_eabi, ASM_FUNCTION_ARM_RE),
'armv7': (scrub_asm_arm_eabi, ASM_FUNCTION_ARM_RE),
'armv7-eabi': (scrub_asm_arm_eabi, ASM_FUNCTION_ARM_RE),
'armeb-eabi': (scrub_asm_arm_eabi, ASM_FUNCTION_ARM_RE),
'armv7eb-eabi': (scrub_asm_arm_eabi, ASM_FUNCTION_ARM_RE),
'armv7eb': (scrub_asm_arm_eabi, ASM_FUNCTION_ARM_RE),
'mips': (scrub_asm_mips, ASM_FUNCTION_MIPS_RE),
'powerpc64': (scrub_asm_powerpc64, ASM_FUNCTION_PPC_RE),
'powerpc64le': (scrub_asm_powerpc64, ASM_FUNCTION_PPC_RE),
'riscv32': (scrub_asm_riscv, ASM_FUNCTION_RISCV_RE),
'riscv64': (scrub_asm_riscv, ASM_FUNCTION_RISCV_RE),
's390x': (scrub_asm_systemz, ASM_FUNCTION_SYSTEMZ_RE),
}
handlers = None
for prefix, s in target_handlers.items():
if triple.startswith(prefix):
handlers = s
break
else:
raise KeyError('Triple %r is not supported' % (triple))
scrubber, function_re = handlers
for m in function_re.finditer(raw_tool_output):
if not m:
continue
func = m.group('func')
scrubbed_body = scrubber(m.group('body'), args)
if func.startswith('stress'):
# We only use the last line of the function body for stress tests.
scrubbed_body = '\n'.join(scrubbed_body.splitlines()[-1:])
if args.verbose:
print >>sys.stderr, 'Processing function: ' + func
for l in scrubbed_body.splitlines():
print >>sys.stderr, ' ' + l
for prefix in prefixes:
if func in func_dict[prefix] and func_dict[prefix][func] != scrubbed_body:
if prefix == prefixes[-1]:
print >>sys.stderr, ('WARNING: Found conflicting asm under the '
'same prefix: %r!' % (prefix,))
else:
func_dict[prefix][func] = None
continue
func_dict[prefix][func] = scrubbed_body
ADVERT = '; NOTE: Assertions have been autogenerated by '
def add_checks(output_lines, run_list, func_dict, func_name):
@ -275,21 +43,6 @@ def add_checks(output_lines, run_list, func_dict, func_name):
return output_lines
def should_add_line_to_output(input_line, prefix_set):
# Skip any blank comment lines in the IR.
if input_line.strip() == ';':
return False
# Skip any blank lines in the IR.
#if input_line.strip() == '':
# return False
# And skip any CHECK lines. We're building our own.
m = CHECK_RE.match(input_line)
if m and m.group(1) in prefix_set:
return False
return True
def main():
parser = argparse.ArgumentParser(description=__doc__)
parser.add_argument('-v', '--verbose', action='store_true',
@ -304,8 +57,7 @@ def main():
parser.add_argument('tests', nargs='+')
args = parser.parse_args()
autogenerated_note = ('; NOTE: Assertions have been autogenerated by '
'utils/' + os.path.basename(__file__))
autogenerated_note = (ADVERT + 'utils/' + os.path.basename(__file__))
for test in args.tests:
if args.verbose:
@ -315,13 +67,13 @@ def main():
triple_in_ir = None
for l in input_lines:
m = TRIPLE_IR_RE.match(l)
m = common.TRIPLE_IR_RE.match(l)
if m:
triple_in_ir = m.groups()[0]
break
raw_lines = [m.group(1)
for m in [RUN_LINE_RE.match(l) for l in input_lines] if m]
for m in [common.RUN_LINE_RE.match(l) for l in input_lines] if m]
run_lines = [raw_lines[0]] if len(raw_lines) > 0 else []
for l in raw_lines[1:]:
if run_lines[-1].endswith("\\"):
@ -340,7 +92,7 @@ def main():
llc_cmd = commands[0]
triple_in_cmd = None
m = TRIPLE_ARG_RE.search(llc_cmd)
m = common.TRIPLE_ARG_RE.search(llc_cmd)
if m:
triple_in_cmd = m.groups()[0]
@ -358,7 +110,7 @@ def main():
llc_cmd_args = llc_cmd[len('llc'):].strip()
llc_cmd_args = llc_cmd_args.replace('< %s', '').replace('%s', '').strip()
check_prefixes = [item for m in CHECK_PREFIX_RE.finditer(filecheck_cmd)
check_prefixes = [item for m in common.CHECK_PREFIX_RE.finditer(filecheck_cmd)
for item in m.group(1).split(',')]
if not check_prefixes:
check_prefixes = ['CHECK']
@ -377,12 +129,12 @@ def main():
print >>sys.stderr, 'Extracted LLC cmd: llc ' + llc_args
print >>sys.stderr, 'Extracted FileCheck prefixes: ' + str(prefixes)
raw_tool_output = llc(args, llc_args, test)
raw_tool_output = common.invoke_tool(args.llc_binary, llc_args, test)
if not (triple_in_cmd or triple_in_ir):
print >>sys.stderr, "Cannot find a triple. Assume 'x86'"
build_function_body_dictionary(raw_tool_output,
triple_in_cmd or triple_in_ir or 'x86', prefixes, func_dict, args)
asm.build_function_body_dictionary_for_triple(args, raw_tool_output,
triple_in_cmd or triple_in_ir or 'x86', prefixes, func_dict)
is_in_function = False
is_in_function_start = False
@ -398,7 +150,7 @@ def main():
if input_line == '':
continue
if input_line.lstrip().startswith(';'):
m = CHECK_RE.match(input_line)
m = common.CHECK_RE.match(input_line)
if not m or m.group(1) not in prefix_set:
output_lines.append(input_line)
continue
@ -408,7 +160,7 @@ def main():
is_in_function_start = False
if is_in_function:
if should_add_line_to_output(input_line, prefix_set) == True:
if common.should_add_line_to_output(input_line, prefix_set):
# This input line of the function body will go as-is into the output.
output_lines.append(input_line)
else:
@ -417,13 +169,14 @@ def main():
is_in_function = False
continue
if input_line == autogenerated_note:
# Discard any previous script advertising.
if input_line.startswith(ADVERT):
continue
# If it's outside a function, it just gets copied to the output.
output_lines.append(input_line)
m = IR_FUNCTION_RE.match(input_line)
m = common.IR_FUNCTION_RE.match(input_line)
if not m:
continue
func_name = m.group(1)

86
llvm/utils/update_test_checks.py
View File

@ -38,76 +38,36 @@ import sys
import tempfile
import re
from UpdateTestChecks import common
ADVERT = '; NOTE: Assertions have been autogenerated by '
# RegEx: this is where the magic happens.
SCRUB_LEADING_WHITESPACE_RE = re.compile(r'^(\s+)')
SCRUB_WHITESPACE_RE = re.compile(r'(?!^(| \w))[ \t]+', flags=re.M)
SCRUB_TRAILING_WHITESPACE_RE = re.compile(r'[ \t]+$', flags=re.M)
SCRUB_KILL_COMMENT_RE = re.compile(r'^ *#+ +kill:.*\n')
SCRUB_IR_COMMENT_RE = re.compile(r'\s*;.*')
RUN_LINE_RE = re.compile('^\s*;\s*RUN:\s*(.*)$')
IR_FUNCTION_RE = re.compile('^\s*define\s+(?:internal\s+)?[^@]*@([\w-]+)\s*\(')
OPT_FUNCTION_RE = re.compile(
r'^\s*define\s+(?:internal\s+)?[^@]*@(?P<func>[\w-]+?)\s*\('
r'(\s+)?[^)]*[^{]*\{\n(?P<body>.*?)^\}$',
flags=(re.M | re.S))
CHECK_PREFIX_RE = re.compile('--?check-prefix(?:es)?=(\S+)')
CHECK_RE = re.compile(r'^\s*;\s*([^:]+?)(?:-NEXT|-NOT|-DAG|-LABEL)?:')
# Match things that look at identifiers, but only if they are followed by
# spaces, commas, paren, or end of the string
IR_VALUE_RE = re.compile(r'(\s+)%([\w\.]+?)([,\s\(\)]|\Z)')
# Invoke the tool that is being tested.
def invoke_tool(args, cmd_args, ir):
with open(ir) as ir_file:
stdout = subprocess.check_output(args.opt_binary + ' ' + cmd_args,
shell=True, stdin=ir_file)
# Fix line endings to unix CR style.
stdout = stdout.replace('\r\n', '\n')
return stdout
def scrub_body(body, opt_basename):
# Scrub runs of whitespace out of the assembly, but leave the leading
# whitespace in place.
body = SCRUB_WHITESPACE_RE.sub(r' ', body)
body = common.SCRUB_WHITESPACE_RE.sub(r' ', body)
# Expand the tabs used for indentation.
body = string.expandtabs(body, 2)
# Strip trailing whitespace.
body = SCRUB_TRAILING_WHITESPACE_RE.sub(r'', body)
body = common.SCRUB_TRAILING_WHITESPACE_RE.sub(r'', body)
return body
# Build up a dictionary of all the function bodies.
def build_function_body_dictionary(raw_tool_output, prefixes, func_dict, verbose, opt_basename):
func_regex = OPT_FUNCTION_RE
for m in func_regex.finditer(raw_tool_output):
if not m:
continue
func = m.group('func')
scrubbed_body = scrub_body(m.group('body'), opt_basename)
if func.startswith('stress'):
# We only use the last line of the function body for stress tests.
scrubbed_body = '\n'.join(scrubbed_body.splitlines()[-1:])
if verbose:
print >>sys.stderr, 'Processing function: ' + func
for l in scrubbed_body.splitlines():
print >>sys.stderr, ' ' + l
for prefix in prefixes:
if func in func_dict[prefix] and func_dict[prefix][func] != scrubbed_body:
if prefix == prefixes[-1]:
print >>sys.stderr, ('WARNING: Found conflicting asm under the '
'same prefix: %r!' % (prefix,))
else:
func_dict[prefix][func] = None
continue
func_dict[prefix][func] = scrubbed_body
# Create a FileCheck variable name based on an IR name.
def get_value_name(var):
@ -213,21 +173,6 @@ def add_checks(output_lines, prefix_list, func_dict, func_name, opt_basename):
return output_lines
def should_add_line_to_output(input_line, prefix_set):
# Skip any blank comment lines in the IR.
if input_line.strip() == ';':
return False
# Skip any blank lines in the IR.
#if input_line.strip() == '':
# return False
# And skip any CHECK lines. We're building our own.
m = CHECK_RE.match(input_line)
if m and m.group(1) in prefix_set:
return False
return True
def main():
from argparse import RawTextHelpFormatter
parser = argparse.ArgumentParser(description=__doc__, formatter_class=RawTextHelpFormatter)
@ -254,7 +199,7 @@ def main():
input_lines = [l.rstrip() for l in f]
raw_lines = [m.group(1)
for m in [RUN_LINE_RE.match(l) for l in input_lines] if m]
for m in [common.RUN_LINE_RE.match(l) for l in input_lines] if m]
run_lines = [raw_lines[0]] if len(raw_lines) > 0 else []
for l in raw_lines[1:]:
if run_lines[-1].endswith("\\"):
@ -282,7 +227,7 @@ def main():
tool_cmd_args = tool_cmd[len(opt_basename):].strip()
tool_cmd_args = tool_cmd_args.replace('< %s', '').replace('%s', '').strip()
check_prefixes = [item for m in CHECK_PREFIX_RE.finditer(filecheck_cmd)
check_prefixes = [item for m in common.CHECK_PREFIX_RE.finditer(filecheck_cmd)
for item in m.group(1).split(',')]
if not check_prefixes:
check_prefixes = ['CHECK']
@ -300,8 +245,10 @@ def main():
print >>sys.stderr, 'Extracted opt cmd: ' + opt_basename + ' ' + opt_args
print >>sys.stderr, 'Extracted FileCheck prefixes: ' + str(prefixes)
raw_tool_output = invoke_tool(args, opt_args, test)
build_function_body_dictionary(raw_tool_output, prefixes, func_dict, args.verbose, opt_basename)
raw_tool_output = common.invoke_tool(args.opt_binary, opt_args, test)
common.build_function_body_dictionary(
OPT_FUNCTION_RE, scrub_body, [opt_basename], raw_tool_output,
prefixes, func_dict, args.verbose)
is_in_function = False
is_in_function_start = False
@ -316,20 +263,20 @@ def main():
if input_line == '':
continue
if input_line.lstrip().startswith(';'):
m = CHECK_RE.match(input_line)
m = common.CHECK_RE.match(input_line)
if not m or m.group(1) not in prefix_set:
output_lines.append(input_line)
continue
# Print out the various check lines here.
output_lines = add_checks(output_lines, prefix_list, func_dict, name, opt_basename)
output_lines = add_checks(output_lines, prefix_list, func_dict, func_name, opt_basename)
is_in_function_start = False
if is_in_function:
if should_add_line_to_output(input_line, prefix_set) == True:
if common.should_add_line_to_output(input_line, prefix_set):
# This input line of the function body will go as-is into the output.
# Except make leading whitespace uniform: 2 spaces.
input_line = SCRUB_LEADING_WHITESPACE_RE.sub(r' ', input_line)
input_line = common.SCRUB_LEADING_WHITESPACE_RE.sub(r' ', input_line)
output_lines.append(input_line)
else:
continue
@ -347,8 +294,8 @@ def main():
m = IR_FUNCTION_RE.match(input_line)
if not m:
continue
name = m.group(1)
if args.function is not None and name != args.function:
func_name = m.group(1)
if args.function is not None and func_name != args.function:
# When filtering on a specific function, skip all others.
continue
is_in_function = is_in_function_start = True
@ -362,4 +309,3 @@ def main():
if __name__ == '__main__':
main()