[PATCH] D87188: [InstCombine] Canonicalize SPF to abs intrinc (WIP)

[Nikita Popov via Phabricator via llvm-commits]

nikic created this revision.
nikic added reviewers: spatel, lebedev.ri.
Herald added subscribers: llvm-commits, hiraditya.
Herald added a project: LLVM.
nikic requested review of this revision.

This patch enables canonicalization of SPF_ABS and SPF_ABS to the abs intrinsic. I'll comment in-line for remaining issues...


Repository:
  rG LLVM Github Monorepo

https://reviews.llvm.org/D87188

Files:
  llvm/lib/Transforms/InstCombine/InstCombineSelect.cpp
  llvm/test/Transforms/InstCombine/abs-1.ll
  llvm/test/Transforms/InstCombine/abs_abs.ll
  llvm/test/Transforms/InstCombine/call-callconv.ll
  llvm/test/Transforms/InstCombine/cttz-abs.ll
  llvm/test/Transforms/InstCombine/icmp.ll
  llvm/test/Transforms/InstCombine/max-of-nots.ll
  llvm/test/Transforms/InstCombine/select_meta.ll
  llvm/test/Transforms/InstCombine/sub-of-negatible.ll
  llvm/test/Transforms/PhaseOrdering/X86/vector-reductions.ll
  llvm/test/Transforms/PhaseOrdering/min-max-abs-cse.ll

-------------- next part --------------
A non-text attachment was scrubbed...
Name: D87188.290083.patch
Type: text/x-patch
Size: 87959 bytes
Desc: not available
URL: <http://lists.llvm.org/pipermail/llvm-commits/attachments/20200905/eb2d52c0/attachment.bin>