[PATCH] D136623: [InstCombine] enable more factorization in SimplifyUsingDistributiveLaws

[Allen zhong via Phabricator via llvm-commits]

Allen created this revision.
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This is one of the IR transforms suggested in issue #57255, https://godbolt.org/z/P9rMGhTcE.
Now we already support to transform t*5 + t into t * (5+1), but not for t - 1 + 5 * t
so the patch try logic: (t-1)+(5*t) -> (t*5)+(t-1) -> (t*5+t)-1 = t*(5+1)-1

Depend D132412 <https://reviews.llvm.org/D132412>


https://reviews.llvm.org/D136623

Files:
  llvm/lib/Transforms/InstCombine/InstructionCombining.cpp
  llvm/test/Transforms/PGOProfile/chr.ll

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