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[x86] Teach the test update script to strip trailing whitespace.

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This is done in a bit of a strange way to use a multiline RE instead of
looping over the lines. Suggestions welcome here for a more pythonic way
of doing this as long as its reasonably fast.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@228131 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Chandler Carruth 2015-02-04 10:46:48 +00:00
parent ff01f89466
commit f95422a37c
1 changed files with 3 additions and 0 deletions
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3
utils/update_llc_test_checks.py
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@ -24,6 +24,7 @@ def llc(args, cmd_args, ir):
ASM_SCRUB_WHITESPACE_RE = re.compile(r'(?!^(| \w))[ \t]+', flags=re.M)
ASM_SCRUB_TRAILING_WHITESPACE_RE = re.compile(r'[ \t]+$', flags=re.M)
ASM_SCRUB_SHUFFLES_RE = (
re.compile(
r'^(\s*\w+) [^#\n]+#+ ((?:[xyz]mm\d+|mem) = .*)$',
@ -47,6 +48,8 @@ def scrub_asm(asm):
asm = ASM_SCRUB_RIP_RE.sub(r'{{.*}}(%rip)', asm)
# Strip kill operands inserted into the asm.
asm = ASM_SCRUB_KILL_COMMENT_RE.sub('', asm)
# Strip trailing whitespace.
asm = ASM_SCRUB_TRAILING_WHITESPACE_RE.sub(r'', asm)
return asm