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Use undef for (some) partially-uninit constants #94130

Merged
merged 5 commits into from
Feb 25, 2022
Merged

Use undef for (some) partially-uninit constants #94130

merged 5 commits into from
Feb 25, 2022

Commits on Feb 18, 2022

  1. Use undef for partially-uninit constants up to 1024 bytes 

    There needs to be some limit to avoid perf regressions on large arrays
with undef in each element (see comment in the code).
    @erikdesjardins
    erikdesjardins committed Feb 18, 2022
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Commits on Feb 19, 2022

  1. switch to limiting the number of init/uninit chunks

    @erikdesjardins
    erikdesjardins committed Feb 19, 2022
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  2. reduce default uninit_const_chunk_threshold to 16 (from 256)

    @erikdesjardins
    erikdesjardins committed Feb 19, 2022
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Commits on Feb 20, 2022

  1. add check for llvm 14

    @erikdesjardins
    erikdesjardins committed Feb 20, 2022
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  2. limit tests to llvm 14+

    @erikdesjardins
    erikdesjardins committed Feb 20, 2022
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