[all-commits] [llvm/llvm-project] f1e105: [ValueTracking] Compute known bits from recursive ...

[Yingwei Zheng via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: f1e1055c84bb7177f3e7d690442f3760326a0ace
      https://github.com/llvm/llvm-project/commit/f1e1055c84bb7177f3e7d690442f3760326a0ace
  Author: Yingwei Zheng <dtcxzyw2333 at gmail.com>
  Date:   2024-11-02 (Sat, 02 Nov 2024)

  Changed paths:
    M llvm/lib/Analysis/ValueTracking.cpp
    M llvm/test/Transforms/InstCombine/known-phi-recurse.ll

  Log Message:
  -----------
  [ValueTracking] Compute known bits from recursive select/phi (#113707)

This patch is inspired by
https://github.com/llvm/llvm-project/pull/113686. I found that it
removes a lot of unnecessary "and X, 1" in some applications that
represent boolean values with int.



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