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If the run task generates bad profile data, the merge step in the profile-use task will fail. However, retrying the profile-use task doesn't fix the problem, and there isn't a straightforward way to retry the run task in this situation. Instead we can add a clang toolchain to all the run tasks, and perform the merge there. This means the output from the run task will always be a successfully merged file called 'merged.profdata', and we no longer need to perform the merge as part of the profile-use build as a GENERATED_FILES step. Depends on D45262 Differential Revision: https://phabricator.services.mozilla.com/D45263 --HG-- extra : moz-landing-system : lando
16 lines
601 B
Plaintext
16 lines
601 B
Plaintext
# This Source Code Form is subject to the terms of the Mozilla Public
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# License, v. 2.0. If a copy of the MPL was not distributed with this
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# file, You can obtain one at http://mozilla.org/MPL/2.0/.
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TOOLTOOL_DIR=${TOOLTOOL_DIR:-$topsrcdir}
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export MAKECAB=$TOOLTOOL_DIR/makecab.exe
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if [ -z "$USE_ARTIFACT" ]; then
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if [ -n "$MOZ_PGO_PROFILE_USE" ]; then
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export MOZ_LTO=cross
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ac_add_options --enable-profile-use
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ac_add_options --with-pgo-jarlog="${WORKSPACE}/fetches/en-US.log"
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ac_add_options --with-pgo-profile-path="${WORKSPACE}/fetches/merged.profdata"
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fi
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fi
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