| commit | 99058521d4c80635f60b2c1442b683395e0ee818 | |
| author | hev <wangrui@loongson.cn> | |
| Tue, 10 Sep 2024 08:52:21 +0000 (10 16:52 +0800) | ||
| committer | Tobias Hieta <tobias@hieta.se> | |
| Tue, 1 Oct 2024 06:51:27 +0000 (1 08:51 +0200) | ||
| tree | 929a12da3a671a57decd2f59665544c46758ae30 | treesnapshot (tar.gz zip) |
| parent | a7554dfc222b13624426ebd6ef46e122b9c16ee7 | commitdiff |
[LoongArch] Eliminate the redundant sign extension of division (#107971)
If all incoming values of `div.d` are sign-extended and all users only
use the lower 32 bits, then convert them to W versions.
Fixes: #107946
(cherry picked from commit 0f47e3aebdd2a4a938468a272ea4224552dbf176)
If all incoming values of `div.d` are sign-extended and all users only
use the lower 32 bits, then convert them to W versions.
Fixes: #107946
(cherry picked from commit 0f47e3aebdd2a4a938468a272ea4224552dbf176)
| llvm/lib/Target/LoongArch/LoongArchOptWInstrs.cpp | diffblobblamehistory | |
| llvm/test/CodeGen/LoongArch/ir-instruction/sdiv-udiv-srem-urem.ll | diffblobblamehistory |