[PATCH] D126035: [InstCombine] Changing constant-indexed GEP of GEP to i8* for merging

[William Junda Huang via Phabricator via llvm-commits]

huangjd created this revision.
huangjd added reviewers: davidxl, Carrot, nikic, spatel, reames, aeubanks.
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When merging GEP of GEP with constant indices, if the second GEP's offset is not divisible by the first GEP's element size, convert both type to i8* and merge.
Removed unnecessary tests for swapping GEP with constant indices.

Fix up revision mess in D125934 <https://reviews.llvm.org/D125934>


Repository:
  rG LLVM Github Monorepo

https://reviews.llvm.org/D126035

Files:
  llvm/lib/Transforms/InstCombine/InstructionCombining.cpp
  llvm/test/Transforms/InstCombine/gep-merge-constant-indices.ll
  llvm/test/Transforms/InstCombine/opaque-ptr.ll

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