[PATCH] D158839: [SDAG] Add SimplifyDemandedBits support for ISD::SPLAT_VECTOR
Simon Pilgrim via Phabricator via llvm-commits
llvm-commits at lists.llvm.org
Fri Aug 25 07:08:26 PDT 2023
RKSimon added inline comments.
================
Comment at: llvm/lib/CodeGen/SelectionDAG/TargetLowering.cpp:1162
+
+ Known = TLO.DAG.computeKnownBits(Op, DemandedElts, Depth);
+ break;
----------------
Do you need this or can you just set it to KnownScl (with suitable truncation)?
Repository:
rG LLVM Github Monorepo
CHANGES SINCE LAST ACTION
https://reviews.llvm.org/D158839/new/
https://reviews.llvm.org/D158839
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