[all-commits] [llvm/llvm-project] 1b78ff: [InstCombine] Simplify the pointer operand of stor...

[Yingwei Zheng via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: 1b78ff6972789d189fe0b403b403626328bf6a65
      https://github.com/llvm/llvm-project/commit/1b78ff6972789d189fe0b403b403626328bf6a65
  Author: Yingwei Zheng <dtcxzyw2333 at gmail.com>
  Date:   2025-02-20 (Thu, 20 Feb 2025)

  Changed paths:
    M llvm/lib/Transforms/InstCombine/InstCombineLoadStoreAlloca.cpp
    M llvm/test/Transforms/InstCombine/store.ll
    A llvm/test/Transforms/PhaseOrdering/load-store-sameval.ll

  Log Message:
  -----------
  [InstCombine] Simplify the pointer operand of store if writing to null is UB (#127979)

Proof: https://alive2.llvm.org/ce/z/mzVj-u
I will add some follow-up patches to avoid duplicate code, support more
memory instructions, and bypass gep instructions.



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