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-rw-r--r--src/glsl/nir/nir_opt_peephole_select.c33
1 files changed, 20 insertions, 13 deletions
diff --git a/src/glsl/nir/nir_opt_peephole_select.c b/src/glsl/nir/nir_opt_peephole_select.c
index 837135046bd..c9512bd62c9 100644
--- a/src/glsl/nir/nir_opt_peephole_select.c
+++ b/src/glsl/nir/nir_opt_peephole_select.c
@@ -135,6 +135,25 @@ nir_opt_peephole_select_block(nir_block *block, void *void_state)
* selects.
*/
+ nir_block *prev_block = nir_cf_node_as_block(nir_cf_node_prev(prev_node));
+ assert(prev_block->cf_node.type == nir_cf_node_block);
+
+ /* First, we move the remaining instructions from the blocks to the
+ * block before. We have already guaranteed that this is safe by
+ * calling block_check_for_allowed_instrs()
+ */
+ nir_foreach_instr_safe(then_block, instr) {
+ exec_node_remove(&instr->node);
+ instr->block = prev_block;
+ exec_list_push_tail(&prev_block->instr_list, &instr->node);
+ }
+
+ nir_foreach_instr_safe(else_block, instr) {
+ exec_node_remove(&instr->node);
+ instr->block = prev_block;
+ exec_list_push_tail(&prev_block->instr_list, &instr->node);
+ }
+
nir_foreach_instr_safe(block, instr) {
if (instr->type != nir_instr_type_phi)
break;
@@ -151,19 +170,7 @@ nir_opt_peephole_select_block(nir_block *block, void *void_state)
assert(src->src.is_ssa);
unsigned idx = src->pred == then_block ? 1 : 2;
-
- if (src->src.ssa->parent_instr->block == src->pred) {
- /* We already know that this instruction must be a move with
- * this phi's in this block as its only users.
- */
- nir_alu_instr *mov = nir_instr_as_alu(src->src.ssa->parent_instr);
- assert(mov->instr.type == nir_instr_type_alu);
- assert(mov->op == nir_op_fmov || mov->op == nir_op_imov);
-
- nir_alu_src_copy(&sel->src[idx], &mov->src[0], state->mem_ctx);
- } else {
- nir_src_copy(&sel->src[idx].src, &src->src, state->mem_ctx);
- }
+ nir_src_copy(&sel->src[idx].src, &src->src, state->mem_ctx);
}
nir_ssa_dest_init(&sel->instr, &sel->dest.dest,