[all-commits] [llvm/llvm-project] fe38ca: [InstCombine] Handle "add like" in ADD+GEP->GEP+GE...

[Björn Pettersson via All-commits]

  Branch: refs/heads/users/bjope/addlikegep_3
  Home:   https://github.com/llvm/llvm-project
  Commit: fe38cac74b95bd3c134e0eb01be275143474d1db
      https://github.com/llvm/llvm-project/commit/fe38cac74b95bd3c134e0eb01be275143474d1db
  Author: Bjorn Pettersson <bjorn.a.pettersson at ericsson.com>
  Date:   2025-04-10 (Thu, 10 Apr 2025)

  Changed paths:
    M llvm/lib/Transforms/InstCombine/InstructionCombining.cpp
    M llvm/test/Transforms/InstCombine/array.ll
    M llvm/test/Transforms/InstCombine/gep-merge-constant-indices.ll
    M llvm/test/Transforms/InstCombine/gep-vector.ll
    M llvm/test/Transforms/InstCombine/vscale_gep.ll
    M llvm/test/Transforms/LoopUnroll/runtime-multiexit-heuristic.ll
    M llvm/test/Transforms/LoopVectorize/ARM/mve-reductions.ll
    M llvm/test/Transforms/LoopVectorize/SystemZ/addressing.ll
    M llvm/test/Transforms/LoopVectorize/X86/float-induction-x86.ll
    M llvm/test/Transforms/LoopVectorize/X86/interleaving.ll
    M llvm/test/Transforms/LoopVectorize/X86/parallel-loops.ll
    M llvm/test/Transforms/LoopVectorize/X86/small-size.ll
    M llvm/test/Transforms/LoopVectorize/consecutive-ptr-uniforms.ll
    M llvm/test/Transforms/LoopVectorize/float-induction.ll
    M llvm/test/Transforms/LoopVectorize/forked-pointers.ll
    M llvm/test/Transforms/LoopVectorize/induction.ll
    M llvm/test/Transforms/LoopVectorize/interleaved-accesses.ll
    M llvm/test/Transforms/LoopVectorize/reduction-inloop-cond.ll
    M llvm/test/Transforms/LoopVectorize/reduction-inloop-pred.ll
    M llvm/test/Transforms/LoopVectorize/reduction-inloop-uf4.ll
    M llvm/test/Transforms/LoopVectorize/reduction-predselect.ll

  Log Message:
  -----------
  [InstCombine] Handle "add like" in ADD+GEP->GEP+GEP rewrites

Considering that "or disjoint" is that canonical for certain
add operations, then I think we want to support such "add like"
operations when doing ADD+GEP->GEP+GEP rewrites to make things
more consistent.



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