maxjhandsome
/
llvm-project
forked from OSchip/llvm-project
1
0
Fork 0
Code Issues Pull Requests Packages Releases Wiki Activity

[UpdateTestChecks] Add --(no-)x86_scrub_sp option. 

This makes it possible to use update_llc_test_checks to manage tests
that check for incorrect x86 stack offsets. It does not yet modify any
test to make use of this new option.
This commit is contained in:
Harald van Dijk 2020-12-12 17:11:13 +00:00
parent f61e5ecb91
commit 67c97ed4a5
No known key found for this signature in database
GPG Key ID: 7D71BB318A5BD56D
2 changed files with 9 additions and 3 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

5
llvm/utils/UpdateTestChecks/asm.py
View File

@ -177,8 +177,9 @@ def scrub_asm_x86(asm, args):
# 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_sp', True):
# 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)

7
llvm/utils/update_llc_test_checks.py
View File

@ -27,9 +27,14 @@ def main():
parser.add_argument(
'--extra_scrub', action='store_true',
help='Always use additional regex to further reduce diffs between various subtargets')
parser.add_argument(
'--x86_scrub_sp', action='store_true', default=True,
help='Use regex for x86 sp matching to reduce diffs between various subtargets')
parser.add_argument(
'--no_x86_scrub_sp', action='store_false', dest='x86_scrub_sp')
parser.add_argument(
'--x86_scrub_rip', action='store_true', default=True,
help='Use more regex for x86 matching to reduce diffs between various subtargets')
help='Use more regex for x86 rip matching to reduce diffs between various subtargets')
parser.add_argument(
'--no_x86_scrub_rip', action='store_false', dest='x86_scrub_rip')
parser.add_argument(