63cbfdf80346a7b2ff9095cce00f090df84abb0c - llvm-project/llvm

commit: 63cbfdf80346a7b2ff9095cce00f090df84abb0c
[log]
author: Graham Hunter <graham.hunter@arm.com>
Fri Jun 20 14:23:26 2025 +0100
committer: Copybara-Service <copybara-worker@google.com>
Fri Jun 20 06:27:35 2025 -0700
tree: 2c6601517849caa773d813c2f220955633887d20
parent: 2a2f5c476ed09c8023252e82419e003eff3c434a [diff]

[AArch64] Use indexed dup for 128b segmented splat (#144688)

Matches a splat of 128b segments into a wider z register expressed as a
concat_vectors sdnode and generate a dup zn.q, zd.q[0] instruction.

GitOrigin-RevId: 152d4b8a01e8671a676e7cfaf71c70b1edeee7e8

lib/Target/AArch64/AArch64ISelLowering.cpp[diff]
test/CodeGen/AArch64/sve-fixed-length-splat-segment.ll[Added - diff]

2 files changed

tree: 2c6601517849caa773d813c2f220955633887d20