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[Utils] Allow update_test_checks to scrub attribute annotations

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Attribute annotations on calls, e.g., #0, are not useful on their own.
This patch adds a flag to update_test_checks.py to scrub them.

Reviewed By: lebedev.ri

Differential Revision: https://reviews.llvm.org/D68851
This commit is contained in:
Johannes Doerfert 2019-10-10 20:32:04 -05:00
parent 36a442d503
commit ab978d2cdd
6 changed files with 55 additions and 1 deletions
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8
test/tools/UpdateTestChecks/update_test_checks/Inputs/scrub_attrs.ll Normal file
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@ -0,0 +1,8 @@
; RUN: opt -S < %s | FileCheck %s
declare void @foo()
define internal void @bar() {
call void @foo() readnone
ret void
}

13
test/tools/UpdateTestChecks/update_test_checks/Inputs/scrub_attrs.ll.plain.expected Normal file
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@ -0,0 +1,13 @@
; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
; RUN: opt -S < %s | FileCheck %s
declare void @foo()
define internal void @bar() {
; CHECK-LABEL: @bar(
; CHECK-NEXT: call void @foo() #0
; CHECK-NEXT: ret void
;
call void @foo() readnone
ret void
}

13
test/tools/UpdateTestChecks/update_test_checks/Inputs/scrub_attrs.ll.scrub.expected Normal file
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@ -0,0 +1,13 @@
; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
; RUN: opt -S < %s | FileCheck %s
declare void @foo()
define internal void @bar() {
; CHECK-LABEL: @bar(
; CHECK-NEXT: call void @foo()
; CHECK-NEXT: ret void
;
call void @foo() readnone
ret void
}

9
test/tools/UpdateTestChecks/update_test_checks/scrub_attrs.test Normal file
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@ -0,0 +1,9 @@
## scrub_attrs test checking that update_test_checks.py works correctly
# RUN: cp -f %S/Inputs/scrub_attrs.ll %t.ll && %update_test_checks %t.ll
# RUN: diff -u %t.ll %S/Inputs/scrub_attrs.ll.plain.expected
## Check that running the script again does not change the result:
# RUN: %update_test_checks %t.ll
# RUN: diff -u %t.ll %S/Inputs/scrub_attrs.ll.plain.expected
## Also try the --scrub-attributes flag
# RUN: %update_test_checks %t.ll --scrub-attributes
# RUN: diff -u %t.ll %S/Inputs/scrub_attrs.ll.scrub.expected

4
utils/UpdateTestChecks/common.py
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@ -81,6 +81,8 @@ MARCH_ARG_RE = re.compile(r'-march[= ]([^ ]+)')
SCRUB_LEADING_WHITESPACE_RE = re.compile(r'^(\s+)')
SCRUB_WHITESPACE_RE = re.compile(r'(?!^(| \w))[ \t]+', flags=re.M)
SCRUB_TRAILING_WHITESPACE_RE = re.compile(r'[ \t]+$', flags=re.M)
SCRUB_TRAILING_WHITESPACE_TEST_RE = SCRUB_TRAILING_WHITESPACE_RE
SCRUB_TRAILING_WHITESPACE_AND_ATTRIBUTES_RE = re.compile(r'([ \t]|(#[0-9]+))+$', flags=re.M)
SCRUB_KILL_COMMENT_RE = re.compile(r'^ *#+ +kill:.*\n')
SCRUB_LOOP_COMMENT_RE = re.compile(
r'# =>This Inner Loop Header:.*|# in Loop:.*', flags=re.M)
@ -125,7 +127,7 @@ def scrub_body(body):
# Expand the tabs used for indentation.
body = string.expandtabs(body, 2)
# Strip trailing whitespace.
body = SCRUB_TRAILING_WHITESPACE_RE.sub(r'', body)
body = SCRUB_TRAILING_WHITESPACE_TEST_RE.sub(r'', body)
return body
def do_scrub(body, scrubber, scrubber_args, extra):

9
utils/update_test_checks.py
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@ -64,6 +64,8 @@ def main():
help='Do not scrub IR names')
parser.add_argument('--function-signature', action='store_true',
help='Keep function signature information around for the check line')
parser.add_argument('--scrub-attributes', action='store_true',
help='Remove attribute annotations (#0) from the end of check line')
parser.add_argument('tests', nargs='+')
args = common.parse_commandline_args(parser)
@ -98,6 +100,13 @@ def main():
continue
run_lines = common.find_run_lines(test, input_lines)
# If requested we scrub trailing attribute annotations, e.g., '#0', together with whitespaces
if args.scrub_attributes:
common.SCRUB_TRAILING_WHITESPACE_TEST_RE = common.SCRUB_TRAILING_WHITESPACE_AND_ATTRIBUTES_RE
else:
common.SCRUB_TRAILING_WHITESPACE_TEST_RE = common.SCRUB_TRAILING_WHITESPACE_RE
prefix_list = []
for l in run_lines:
if '|' not in l: