[PATCH] D69464: [X86] Fix 48/96 byte memcmp code gen

[David Zarzycki via Phabricator via llvm-commits]

davezarzycki created this revision.
davezarzycki added reviewers: craig.topper, RKSimon, spatel.
davezarzycki added a project: LLVM.

Detect scalar ISD::ZERO_EXTEND generated by memcmp lowering and convert it to ISD::INSERT_SUBVECTOR.


Repository:
  rG LLVM Github Monorepo

https://reviews.llvm.org/D69464

Files:
  lib/Target/X86/X86ISelLowering.cpp
  test/CodeGen/X86/memcmp.ll

-------------- next part --------------
A non-text attachment was scrubbed...
Name: D69464.226545.patch
Type: text/x-patch
Size: 39242 bytes
Desc: not available
URL: <http://lists.llvm.org/pipermail/llvm-commits/attachments/20191026/98d82379/attachment-0001.bin>