[all-commits] [llvm/llvm-project] 512a8a: [MC/DC] Introduce `class TestVector` with a pair o...

[NAKAMURA Takumi via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: 512a8a78a7f3bffc41cd7c00788eb099519f4625
      https://github.com/llvm/llvm-project/commit/512a8a78a7f3bffc41cd7c00788eb099519f4625
  Author: NAKAMURA Takumi <geek4civic at gmail.com>
  Date:   2024-02-27 (Tue, 27 Feb 2024)

  Changed paths:
    M llvm/include/llvm/ProfileData/Coverage/CoverageMapping.h
    M llvm/lib/ProfileData/Coverage/CoverageMapping.cpp

  Log Message:
  -----------
  [MC/DC] Introduce `class TestVector` with a pair of `BitVector` (#82174)

This replaces `SmallVector<CondState>` and emulates it.

- -------- True  False DontCare
- Values:  True  False False
- Visited: True  True  False

`findIndependencePairs()` can be optimized with logical ops.

FIXME: Specialize `findIndependencePairs()` for the single word.



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