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[utils][mips] Add support for mips for update_llc_checks.py 

Add support for mips, particularly skipping the matching of .frame, .(f)mask
and LLVM's usage of the .set no(reorder|at|macro) directives.

Reviewers: spatel

Differential Revision: https://reviews.llvm.org/D40268

llvm-svn: 319001
This commit is contained in:
Simon Dardis 2017-11-26 19:22:44 +00:00
parent 3984ee8400
commit 9d68565262
1 changed files with 20 additions and 0 deletions
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20
llvm/utils/update_llc_test_checks.py
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@ -47,6 +47,15 @@ ASM_FUNCTION_AARCH64_RE = re.compile(
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'
@ -141,6 +150,16 @@ def scrub_asm_powerpc64(asm, args):
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.
@ -175,6 +194,7 @@ def build_function_body_dictionary(raw_tool_output, triple, prefixes, func_dict,
'thumb-eabi': (scrub_asm_arm_eabi, ASM_FUNCTION_ARM_RE),
'thumbv8-eabi': (scrub_asm_arm_eabi, ASM_FUNCTION_ARM_RE),
'armeb-eabi': (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),