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git_commit commit 570f03096a195be6302747cefda0af13ac70d2eb
Author: Vitaly Buka <vitalybuka@google.com>
Date: Wed Jan 8 09:14:39 2025 -0800

Revert "Reapply "[libc++] Explicitly convert to masks in SIMD code (#107983)"" (#122022)

Reverts llvm/llvm-project#121352

Triggers "vector type should not be a bool!" on:
```
bool a[100];
bool b[100];
auto t = std::mismatch(std::begin(a), std::end(a), std::begin(b), std::end(b));
```

https://godbolt.org/z/Y73s3sdef
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ldionne-old-macbook-results test results

Run Order Start Time Duration
Current 523138 2025-12-16T16:40:01 0:00:00
Previous 523134 2025-12-16T16:40:01 0:00:00
Baseline 485288 2025-12-16T16:40:01 0:00:00


Tests Summary

Status Group # # (B)
Performance Regressions 2 0
Performance Improvements 3 0
Added Tests 1 18
Unchanged Tests 84 72
Total Tests 90

Performance Regressions - execution_time Δ Previous Current σ Δ (B) σ (B)
737_gmsh_r 2.57% 13.016 13.350 - 0.00% -
734_vpr_r 1.10% 15.495 15.665 - 0.00% -

Performance Improvements - execution_time Δ Previous Current σ Δ (B) σ (B)
710_omnetpp_r -1.84% 8.569 8.412 - 0.00% -
767_nest_r -1.78% 14.365 14.109 - 0.00% -
736_ocio_r -1.33% 16.418 16.199 - 0.00% -

Added Tests - execution_time
735_gem5_r

Added Tests - execution_time
706_stockfish_r
707_ntest_r
709_cactus_r
710_omnetpp_r
721_gcc_r
723_llvm_r
727_cppcheck_r
729_abc_r
731_astcenc_r
734_vpr_r
735_gem5_r
736_ocio_r
737_gmsh_r
748_flightdm_r
750_sealcrypto_r
753_ns3_r
766_femflow_r
767_nest_r


Report Time: 0.24s
Name Current %
706_stockfish_r 22.195 -
707_ntest_r 17.875 -
709_cactus_r 19.712 -
710_omnetpp_r 8.412 -1.84%
721_gcc_r 12.966 -
723_llvm_r 11.539 -
727_cppcheck_r 24.782 -
729_abc_r 18.805 -
731_astcenc_r 10.067 -
734_vpr_r 15.665 1.10%
735_gem5_r 13.618 -
736_ocio_r 16.199 -1.33%
737_gmsh_r 13.350 2.57%
748_flightdm_r 8.944 -
750_sealcrypto_r 18.366 -
753_ns3_r 10.427 -
766_femflow_r 12.818 -
767_nest_r 14.109 -1.78%
Geometric Mean 14.343 -