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pan/bi: Respect side effects in DCE 

Signed-off-by: Alyssa Rosenzweig <alyssa.rosenzweig@collabora.com>
Reviewed-by: Boris Brezillon <boris.brezillon@collabora.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/8848>
This commit is contained in:
Alyssa Rosenzweig 2021-02-03 14:35:02 -05:00 committed by Marge Bot
parent f5709f17a2
commit b0a2a0af75
1 changed files with 1 additions and 1 deletions
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2
src/panfrost/bifrost/bi_opt_dce.c
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@ -48,7 +48,7 @@ bi_opt_dead_code_eliminate(bi_context *ctx, bi_block *block, bool soft)
unsigned index = bi_get_node(ins->dest[0]);
if (index < temp_count && !live[index]) {
if (soft)
if (soft || bi_side_effects(ins->op))
ins->dest[0] = bi_null();
else
bi_remove_instruction(ins);