[PATCH] D107219: [LICM] Support sinking in LNICM
toshiki maekawa via Phabricator via llvm-commits
llvm-commits at lists.llvm.org
Sat Jul 31 05:29:16 PDT 2021
uint256_t added inline comments.
================
Comment at: llvm/test/Transforms/LICM/lnicm-sink.ll:11
+; for (int i = 0; i < 10; i++) {
+; for (int j = 0; j < 10; j++) {
+; t = sin(x);
----------------
xbolva00 wrote:
> j not used? It would be better to use more “realistic” example.
I don't think `j` need to be used. This test shows how LNICM handles a loop nest when it does sinking. If we use `j` here, an instruction using it would be neither hoisted or sunk, so I think it is redundant.
Repository:
rG LLVM Github Monorepo
CHANGES SINCE LAST ACTION
https://reviews.llvm.org/D107219/new/
https://reviews.llvm.org/D107219
More information about the llvm-commits
mailing list