[PATCH] D107057: [llvm][sve] Lowering for VLS extending loads
David Truby via Phabricator via llvm-commits
llvm-commits at lists.llvm.org
Thu Jul 29 04:57:25 PDT 2021
DavidTruby created this revision.
Herald added subscribers: ctetreau, psnobl, hiraditya, tschuett.
Herald added a reviewer: efriedma.
DavidTruby requested review of this revision.
Herald added a project: LLVM.
Herald added a subscriber: llvm-commits.
This patch enables extending loads for fixed length SVE code generation.
There is a slight regression here in the mulh tests; since these tests
load the parameter and then extend it these are treated as extending
loads which are merged, preventing the mulh instruction from being
generated. As this affects scalable SVE codegen as well this should be
addressed in a separate patch.
Repository:
rG LLVM Github Monorepo
https://reviews.llvm.org/D107057
Files:
llvm/lib/Target/AArch64/AArch64ISelLowering.cpp
llvm/test/CodeGen/AArch64/sve-fixed-length-ext-loads.ll
llvm/test/CodeGen/AArch64/sve-fixed-length-int-mulh.ll
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