[all-commits] [llvm/llvm-project] 8dd9a1: [InstCombine] Preserve inbounds when merging with ...

[Nikita Popov via All-commits]

  Branch: refs/heads/master
  Home:   https://github.com/llvm/llvm-project
  Commit: 8dd9a1361958f0cc53d100124e158cbe691c4628
      https://github.com/llvm/llvm-project/commit/8dd9a1361958f0cc53d100124e158cbe691c4628
  Author: Nikita Popov <nikita.ppv at gmail.com>
  Date:   2020-01-01 (Wed, 01 Jan 2020)

  Changed paths:
    M llvm/lib/Transforms/InstCombine/InstructionCombining.cpp
    M llvm/test/Transforms/InstCombine/getelementptr.ll

  Log Message:
  -----------
  [InstCombine] Preserve inbounds when merging with zero-index GEP (PR44423)

This addresses https://bugs.llvm.org/show_bug.cgi?id=44423.
If one of the GEPs is inbounds and the other is zero-index,
we can also preserve inbounds.

Differential Revision: https://reviews.llvm.org/D72060