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[utils] Add RISC-V support to update_llc_test_checks.py

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This should be a trivial change, and I've started using it for generating all 
tests at https://github.com/lowrisc/riscv-llvm (i.e. it's been tested in 
action quite a lot). Note that the regex does not attempt to match 
.cfi_startproc, as I want to ensure compatibility with functions that have the 
nounwind attribute.

Differential Revision: https://reviews.llvm.org/D39789

llvm-svn: 317693
This commit is contained in:
Alex Bradbury 2017-11-08 14:24:42 +00:00
parent 58664434e8
commit a8961aa230
1 changed files with 18 additions and 0 deletions
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18
utils/update_llc_test_checks.py
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@ -58,6 +58,12 @@ ASM_FUNCTION_PPC_RE = re.compile(
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'
@ -135,6 +141,16 @@ def scrub_asm_powerpc64(asm, args):
asm = SCRUB_TRAILING_WHITESPACE_RE.sub(r'', asm)
return asm
def scrub_asm_riscv(asm):
# 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.
@ -161,6 +177,8 @@ def build_function_body_dictionary(raw_tool_output, triple, prefixes, func_dict,
'armeb-eabi': (scrub_asm_arm_eabi, ASM_FUNCTION_ARM_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