lima/ppir: add control flow support

This commit adds support for nir_jump_instr, if and loop
nir_cf_nodes.

Tested-by: Andreas Baierl <ichgeh@imkreisrum.de>
Reviewed-by: Qiang Yu <yuq825@gmail.com>
Reviewed-by: Erico Nunes <nunes.erico@gmail.com>
Signed-off-by: Vasily Khoruzhick <anarsoul@gmail.com>

1 files changed, 16 insertions, 1 deletions

diff --git a/src/gallium/drivers/lima/ir/pp/node.c b/src/gallium/drivers/lima/ir/pp/node.c
index 59635df3cdf..db141cac5c1 100644
--- a/src/gallium/drivers/lima/ir/pp/node.c
+++ b/src/gallium/drivers/lima/ir/pp/node.c
@@ -469,6 +469,21 @@ void ppir_node_replace_pred(ppir_dep *dep, ppir_node *new_pred)
    list_addtail(&dep->succ_link, &new_pred->succ_list);
 }
 
+ppir_dep *ppir_dep_for_pred(ppir_node *node, ppir_node *pred)
+{
+   if (!pred)
+      return NULL;
+
+   if (node->block != pred->block)
+      return NULL;
+
+   ppir_node_foreach_pred(node, dep) {
+      if (dep->pred == pred)
+         return dep;
+   }
+   return NULL;
+}
+
 void ppir_node_replace_all_succ(ppir_node *dst, ppir_node *src)
 {
    ppir_node_foreach_succ_safe(src, dep) {
@@ -573,7 +588,7 @@ void ppir_node_print_prog(ppir_compiler *comp)
 
    printf("========prog========\n");
    list_for_each_entry(ppir_block, block, &comp->block_list, list) {
-      printf("-------block------\n");
+      printf("-------block %3d-------\n", block->index);
       list_for_each_entry(ppir_node, node, &block->node_list, list) {
          if (ppir_node_is_root(node))
             ppir_node_print_node(node, 0);