diff options
-rw-r--r-- | src/compiler/nir/nir_opt_if.c | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/src/compiler/nir/nir_opt_if.c b/src/compiler/nir/nir_opt_if.c index 9afb901be14..9909faf09a1 100644 --- a/src/compiler/nir/nir_opt_if.c +++ b/src/compiler/nir/nir_opt_if.c @@ -844,6 +844,13 @@ opt_if_loop_last_continue(nir_loop *loop) if (!then_ends_in_continue && !else_ends_in_continue) return false; + /* if the block after the if/else is empty we bail, otherwise we might end + * up looping forever + */ + if (&nif->cf_node == nir_cf_node_prev(&last_block->cf_node) && + exec_list_is_empty(&last_block->instr_list)) + return false; + /* Move the last block of the loop inside the last if-statement */ nir_cf_list tmp; nir_cf_extract(&tmp, nir_after_cf_node(if_node), |