[Analysis] Improve readability of `KnownBits::pext` and `KnownBits::pdep` (#205176)
- Change the parameter names to `Val` and `Mask` to emphasize their semantics.
- Use `clearBits` instead of bitwise AND for increased expressiveness.
- Rewrite explanatory comments.
[LifetimeSafety] Fix loop liveness leakage for conditional operator
Generate flow facts for conditional operators in their respective
predecessor blocks (branches) instead of the merge block, path-isolating
the flows and preventing liveness from leaking across loop backedges.
Also includes tests, formatting cleanups, and refactoring of the flow propagation.
TAG=agy
CONV=b4614911-a1e1-489f-a395-2f895c423788
[libc][math][c++23] Add expbf16 math function (#161919)
This PR adds expbf16 higher math function for BFloat16 type along with
the tests.
---------
Signed-off-by: Krishna Pandey <kpandey81930 at gmail.com>
[X86] Remove old horizontal-reduce-add/fadd tests (#206238)
These patterns are now handled in middle-end and tested for in
PhaseOrdering/X86
The vector.reduce.add/fadd patterns are tested in CodeGen/X86 in
vector-reduce-add.ll, vector-reduce-fadd.ll and
vector-reduce-fadd-fast.ll
libtest: Improve the test_driver.1 manual page.
- Consistently use 'framework' instead of a mix of 'library'
and 'utility'.
- Document the '-h' option supported by the test driver.
