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authorDimitry Andric <dim@FreeBSD.org>2018-07-28 10:51:19 +0000
committerDimitry Andric <dim@FreeBSD.org>2018-07-28 10:51:19 +0000
commiteb11fae6d08f479c0799db45860a98af528fa6e7 (patch)
tree44d492a50c8c1a7eb8e2d17ea3360ec4d066f042 /utils/UpdateTestChecks/asm.py
parentb8a2042aa938069e862750553db0e4d82d25822c (diff)
vendor/llvm/llvm-trunk-r338150
Notes
Diffstat (limited to 'utils/UpdateTestChecks/asm.py')
-rw-r--r--utils/UpdateTestChecks/asm.py259
1 files changed, 259 insertions, 0 deletions
diff --git a/utils/UpdateTestChecks/asm.py b/utils/UpdateTestChecks/asm.py
new file mode 100644
index 000000000000..726a653d1516
--- /dev/null
+++ b/utils/UpdateTestChecks/asm.py
@@ -0,0 +1,259 @@
+import re
+import sys
+
+from . import common
+
+if sys.version_info[0] > 2:
+ class string:
+ expandtabs = str.expandtabs
+else:
+ import string
+
+# RegEx: this is where the magic happens.
+
+##### Assembly parser
+
+ASM_FUNCTION_X86_RE = re.compile(
+ r'^_?(?P<func>[^:]+):[ \t]*#+[ \t]*@(?P=func)\n(?:\s*.Lfunc_begin[^:\n]*:\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)?' # drop optional cfi noise
+ r'(?P<body>.*?)\n'
+ # This list is incomplete
+ r'.Lfunc_end[0-9]+:\n',
+ flags=(re.M | re.S))
+
+ASM_FUNCTION_AMDGPU_RE = re.compile(
+ r'^_?(?P<func>[^:]+):[ \t]*;+[ \t]*@(?P=func)\n[^:]*?'
+ r'(?P<body>.*?)\n' # (body of the function)
+ # 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', # $func_end0: (mips32 - O32) or
+ # .Lfunc_end0: (mips64 - NewABI)
+ flags=(re.M | re.S))
+
+ASM_FUNCTION_PPC_RE = re.compile(
+ r'^_?(?P<func>[^:]+):[ \t]*#+[ \t]*@(?P=func)\n'
+ r'\.Lfunc_begin[0-9]+:\n'
+ r'(?:[ \t]+.cfi_startproc\n)?'
+ r'(?:\.Lfunc_[gl]ep[0-9]+:\n(?:[ \t]+.*?\n)*)*'
+ r'(?P<body>.*?)\n'
+ # This list is incomplete
+ r'(?:^[ \t]*(?:\.long[ \t]+[^\n]+|\.quad[ \t]+[^\n]+)\n)*'
+ r'.Lfunc_end[0-9]+:\n',
+ flags=(re.M | re.S))
+
+ASM_FUNCTION_RISCV_RE = re.compile(
+ r'^_?(?P<func>[^:]+):[ \t]*#+[ \t]*@(?P=func)\n[^:]*?'
+ r'(?P<body>^##?[ \t]+[^:]+:.*?)\s*'
+ r'.Lfunc_end[0-9]+:\n',
+ flags=(re.M | re.S))
+
+ASM_FUNCTION_SPARC_RE = re.compile(
+ r'^_?(?P<func>[^:]+):[ \t]*!+[ \t]*@(?P=func)\n'
+ r'(?P<body>.*?)\s*'
+ r'.Lfunc_end[0-9]+:\n',
+ flags=(re.M | re.S))
+
+ASM_FUNCTION_SYSTEMZ_RE = re.compile(
+ r'^_?(?P<func>[^:]+):[ \t]*#+[ \t]*@(?P=func)\n'
+ r'[ \t]+.cfi_startproc\n'
+ r'(?P<body>.*?)\n'
+ r'.Lfunc_end[0-9]+:\n',
+ flags=(re.M | re.S))
+
+
+SCRUB_LOOP_COMMENT_RE = re.compile(
+ r'# =>This Inner Loop Header:.*|# in Loop:.*', flags=re.M)
+
+SCRUB_X86_SHUFFLES_RE = (
+ re.compile(
+ r'^(\s*\w+) [^#\n]+#+ ((?:[xyz]mm\d+|mem)( \{%k\d+\}( \{z\})?)? = .*)$',
+ flags=re.M))
+SCRUB_X86_SPILL_RELOAD_RE = (
+ re.compile(
+ r'-?\d+\(%([er])[sb]p\)(.*(?:Spill|Reload))$',
+ 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)
+ # Detect stack spills and reloads and hide their exact offset and whether
+ # they used the stack pointer or frame pointer.
+ asm = SCRUB_X86_SPILL_RELOAD_RE.sub(r'{{[-0-9]+}}(%\1{{[sb]}}p)\2', asm)
+ # Generically match the stack offset of a memory operand.
+ asm = SCRUB_X86_SP_RE.sub(r'{{[0-9]+}}(%\1)', asm)
+ if getattr(args, 'x86_scrub_rip', False):
+ # 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 getattr(args, 'extra_scrub', False):
+ # 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_amdgpu(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_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_sparc(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),
+ 'r600': (scrub_asm_amdgpu, ASM_FUNCTION_AMDGPU_RE),
+ 'amdgcn': (scrub_asm_amdgpu, ASM_FUNCTION_AMDGPU_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),
+ 'sparc': (scrub_asm_sparc, ASM_FUNCTION_SPARC_RE),
+ 'sparcv9': (scrub_asm_sparc, ASM_FUNCTION_SPARC_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)
+
+##### Generator of assembly CHECK lines
+
+def add_asm_checks(output_lines, comment_marker, prefix_list, func_dict, func_name):
+ # Label format is based on ASM string.
+ check_label_format = '{} %s-LABEL: %s:'.format(comment_marker)
+ common.add_checks(output_lines, comment_marker, prefix_list, func_dict, func_name, check_label_format, True, False)
generated by cgit v1.2.3 (git 2.25.1) at 2025-11-04 23:54:23 +0000