[PATCH] D42544: [X86][AVX512] Add combining support for X86ISD::VTRUNCS

Simon Pilgrim via Phabricator via llvm-commits llvm-commits at lists.llvm.org
Thu Jan 25 08:37:31 PST 2018


RKSimon created this revision.
RKSimon added reviewers: zvi, delena, craig.topper, spatel.

Similar to the existing support for X86ISD::VTRUNCUS.

This need to be done before I can add support for PACKSS/PACKUS saturated truncation handling.


Repository:
  rL LLVM

https://reviews.llvm.org/D42544

Files:
  lib/Target/X86/X86ISelLowering.cpp
  test/CodeGen/X86/vector-trunc-ssat.ll

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