[PATCH] D96119: [Codegenprepare][X86] Use usub with overflow opt for IV increment

[Max Kazantsev via Phabricator via llvm-commits]

mkazantsev updated this revision to Diff 322646.
mkazantsev added a comment.
This revision is now accepted and ready to land.

Fixed bugs, added tests demonstrating them.


CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D96119/new/

https://reviews.llvm.org/D96119

Files:
  llvm/lib/CodeGen/CodeGenPrepare.cpp
  llvm/test/CodeGen/X86/2020_12_02_decrementing_loop.ll
  llvm/test/CodeGen/X86/lsr-loop-exit-cond.ll
  llvm/test/CodeGen/X86/usub_inc_iv.ll

-------------- next part --------------
A non-text attachment was scrubbed...
Name: D96119.322646.patch
Type: text/x-patch
Size: 14881 bytes
Desc: not available
URL: <http://lists.llvm.org/pipermail/llvm-commits/attachments/20210210/52a4f9e1/attachment.bin>