Reland "[InstructionSimplify] Enhance simplifySelectInst() (#163453)"#164694

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CongzheUalberta merged 10 commits intollvm:mainfrom

CongzheUalberta:enhanced-phi-cse

Oct 26, 2025

Commits on Oct 14, 2025

[InstCombinePHI] Enhance PHI CSE to remove redundant phis
CongzheUalberta
committed

Commits on Oct 15, 2025

address reviewer's comments
CongzheUalberta
committed

Commits on Oct 17, 2025

Address reviewer's comments and simplify the code.
CongzheUalberta
committed

Commits on Oct 20, 2025

Re-implemented in InstSimplify.
CongzheUalberta
committed

Commits on Oct 21, 2025

Commits on Oct 22, 2025

Commits on Oct 23, 2025