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# Stash local changes before checkout.
# Print a message that the source repository revision has been changed, with
instructions to switch back.
# Make the script executable.
# Print sample instructions how to run bolt tests.
# Assume that llvm-bolt-wrapper script is in the same source directory.
Reviewed By: rafauler
Differential Revision: https://reviews.llvm.org/D126941
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To be rendered in browser using d3-graphviz.
Example: {F23169510}
Reviewed By: rafauler
Differential Revision: https://reviews.llvm.org/D126218
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Add the script to set up llvm-bolt-wrapper. The intended use is to run NFC
checks manually and automatically on a buildbot.
Reviewed By: rafauler
Differential Revision: https://reviews.llvm.org/D118516
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Commit history in chronological order:
[BOLT] llvm-bolt-wrapper: added wrapper for bolt binary matching
Summary:
Wrapper to compare two versions of BOLT to see if they produce the same output
binary given the same input.
(cherry picked from FBD26626137)
[BOLT] llvm-bolt-wrapper: support for no-output tests and heatmap mode
Summary:
- Added an option `skip_binary_cmp` to support invocations that don't output
a binary
- Minor fixes for heatmap mode, timeout, log comparison
- Rearranged in-line config example to be copy-pasteable
(cherry picked from FBD26822016)
[BOLT] llvm-bolt-wrapper: merge stdout/stderr, search for config in script dir
(cherry picked from FBD27529335)
[BOLT] llvm-bolt-wrapper: handle /dev/null
Summary:
Fixed the wrapper to preserve `-o /dev/null` and skip binary matching for such
invocations.
(cherry picked from FBD28013747)
[BOLT] llvm-bolt-wrapper: handle cases where output binary doesn't exist
Summary:
Handle invocations where output binary is not generated (e.g. due to an expected
assertion or exit with BOLT-ERROR) and skip binary comparison in such cases.
(cherry picked from FBD28080158)
[BOLT] llvm-bolt-wrapper: handle boltdiff mode
Summary:
Handle `llvm-boltdiff` invocation similarly to `perf2bolt`
(cherry picked from FBD28080157)
[BOLT] llvm-bolt-wrapper: find section with mismatch
Summary:
For mismatching ELF files, find section with mismatch and print sections table
with highlighted mismatch section.
(cherry picked from FBD28087231)
[BOLT] llvm-bolt-wrapper: ignore-build-id in perf2bolt mode
Summary:
When perf2bolt fails to match build-id from perf output for cmp binary, we need
to use -ignore-build-id option to override the strict checking behavior.
(cherry picked from FBD28087232)
[BOLT] llvm-bolt-wrapper: suppress -bolt-info=0 in heatmap mode
Summary:
Heatmap mode is incompatible with `-bolt-info=0` used to suppress binary
differences. Remove it.
(cherry picked from FBD28087230)
[BOLT] llvm-bolt-wrapper: add config-generator mode
Summary:
llvm-bolt-wrapper config can be generated by the script itself.
It makes the workflow more reliable compared to preparing the config manually.
(cherry picked from FBD28358939)
[BOLT] llvm-bolt-wrapper: fix mismatch reporting
Summary:
1. Fixed header comparison issue where headers were skipped due to
`skip_end == 0` (`lst[:-n]` does not work if n==0).
2. Detect color support while printing mismatching section:
- use bold color if terminal supports ANSI escape codes,
- otherwise print ">" at mismatching section.
3. Remove extra 0x before mismatching offset.
(cherry picked from FBD28691979)
[BOLT] llvm-bolt-wrapper: handle perf2bolt tests with ignore-build-id
Summary:
`ignore-build-id` must be passed not more than once. Account for that.
(cherry picked from FBD29830266)
[BOLT] llvm-bolt-wrapper: fix running subprocesses in parallel
Summary:
The commands were running sequentially due to the use of blocking `communicate`
call, which is needed when stdout/stderr are directed to a pipe.
Fix this behavior by directing the output to a file.
(cherry picked from FBD29951863)
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Summary:
Convert bughunter.sh to the new LLVM license and fix file-description
comments.
(cherry picked from FBD33298823)
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Summary: Import the script and update it to use `-funcs-file-no-regex`
(cherry picked from FBD32636025)
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Summary:
Dockerfile based on Ubuntu:20.04.
Fixes facebookincubator/BOLT#214.
(cherry picked from FBD31883210)
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