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-rw-r--r--src/compiler/nir/nir_opt_gcm.c11
1 files changed, 6 insertions, 5 deletions
diff --git a/src/compiler/nir/nir_opt_gcm.c b/src/compiler/nir/nir_opt_gcm.c
index 77eb8e6da5a..9d7f59c8b33 100644
--- a/src/compiler/nir/nir_opt_gcm.c
+++ b/src/compiler/nir/nir_opt_gcm.c
@@ -326,12 +326,13 @@ gcm_schedule_late_def(nir_ssa_def *def, void *void_state)
* as far outside loops as we can get.
*/
nir_block *best = lca;
- while (lca != def->parent_instr->block) {
- assert(lca);
- if (state->blocks[lca->index].loop_depth <
+ for (nir_block *block = lca; block != NULL; block = block->imm_dom) {
+ if (state->blocks[block->index].loop_depth <
state->blocks[best->index].loop_depth)
- best = lca;
- lca = lca->imm_dom;
+ best = block;
+
+ if (block == def->parent_instr->block)
+ break;
}
def->parent_instr->block = best;