[PATCH] D15146: [InstCombine] Look through PHIs, GEPs, IntToPtrs and PtrToInts to expose more constants when comparing GEPs

[silviu.baranga@arm.com via llvm-commits]

sbaranga updated this revision to Diff 42523.
sbaranga added a comment.

Merged the traversal algorithms for the from canRewriteAsOffsetGEP and rewriteAsOffsetGEP.
Now the order in recorded in rewriteAsOffsetGEP.

Performed several other small changes requested during review.


http://reviews.llvm.org/D15146

Files:
  lib/Transforms/InstCombine/InstCombineCompares.cpp
  test/Transforms/InstCombine/indexed-gep-compares.ll

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