[all-commits] [llvm/llvm-project] 570885: Revert "[ValueTracking] Improve `Bitcast` handling...

[Arthur Eubanks via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: 570885128351868c1308bb22e8ca351d318bc4a1
      https://github.com/llvm/llvm-project/commit/570885128351868c1308bb22e8ca351d318bc4a1
  Author: Arthur Eubanks <aeubanks at google.com>
  Date:   2025-06-21 (Sat, 21 Jun 2025)

  Changed paths:
    M llvm/lib/Analysis/ValueTracking.cpp
    M llvm/test/Transforms/InstCombine/X86/x86-vector-shifts.ll
    M llvm/test/Transforms/InstCombine/bitcast-known-bits.ll

  Log Message:
  -----------
  Revert "[ValueTracking] Improve `Bitcast` handling to match SDAG" (#145191)

Reverts llvm/llvm-project#125935

Causes miscompiles, see comments in #125935



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