[PATCH] D57663: [X86][AVX] Attempt to share broadcasts of different widths (PR39454)

[Simon Pilgrim via Phabricator via llvm-commits]

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

If we have broadcasts of different vector widths, keep the longest vector width and extract subvectors for the shorter vectors (which should be free).


Repository:
  rL LLVM

https://reviews.llvm.org/D57663

Files:
  lib/Target/X86/X86ISelLowering.cpp
  test/CodeGen/X86/broadcast-elm-cross-splat-vec.ll
  test/CodeGen/X86/oddshuffles.ll

-------------- next part --------------
A non-text attachment was scrubbed...
Name: D57663.184972.patch
Type: text/x-patch
Size: 15688 bytes
Desc: not available
URL: <http://lists.llvm.org/pipermail/llvm-commits/attachments/20190203/b6016c7a/attachment.bin>