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If the command line was mistyped like:
./update_mca_test_checks.py --llvm-mca-binary= /path/to/llvm-mca *.s
^-- extra whitespace
then /path/to/llvm-mca would get treated by argparse as a test-path
pattern and could actually be opened in write mode and overwritten.
llvm-svn: 334029
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empty input
llvm-svn: 333894
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Summary:
It's super irritating.
[properly configured] git client then complains about that double-newline,
and you have to use `--force` to ignore the warning, since even if you
fix it manually, it will be reintroduced the very next runtime :/
Reviewers: RKSimon, andreadb, courbet, craig.topper, javed.absar, gbedwell
Reviewed By: gbedwell
Subscribers: javed.absar, tschuett, gbedwell, llvm-commits
Differential Revision: https://reviews.llvm.org/D47697
llvm-svn: 333887
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Previously update_mca_test_checks worked entirely at "block" level where
a block is some sequence of lines delimited by at least one empty line.
This generally worked well, but could sometimes lead to excessive
repetition of check lines for various prefixes if some block was almost
identical between prefixes, but not quite (for example, due to a
different dispatch width in the otherwise identical summary views).
This new analyis attempts to split blocks further in the case where the
following conditions are met:
a) There is some prefix common to every RUN line (typically 'ALL').
b) The first line of the block is common to the output with every prefix.
c) The block has the same number of lines for the output with every prefix.
Also, regenerated all llvm-mca test files with the following command:
update_mca_test_checks.py "../test/tools/llvm-mca/*/*.s" "../test/tools/llvm-mca/*/*/*.s"
The new analysis showed a "multiple lines not disambiguated by prefixes" warning
for test "AArch64/Exynos/scheduler-queue-usage.s" so I've also added some
explicit prefixes to each of the RUN lines in that test.
Differential Revision: https://reviews.llvm.org/D47321
llvm-svn: 333204
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other scripts
llvm-svn: 330815
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The script was using Python's difflib module to calculate the number of
lines changed so that it could report it in its status output. It turns
out this can be very very slow on large sets of lines (Python bug 6931).
It's not worth the cost, so just remove the usage of difflib entirely.
llvm-svn: 330419
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This script can be used to regenerate tests in the
test/tools/llvm-mca directory (PR36904).
Regenerated a number of tests using the pattern: test/tools/llvm-mca/*/*/*.s
Differential Revision: https://reviews.llvm.org/D45369
llvm-svn: 330246
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