From: Jason Ekstrand <jason.ekstrand@intel.com>
Date: Mon, 28 Dec 2015 06:50:14 +0000 (-0800)
Subject: nir: Add a cursor helper for getting a cursor after any phi nodes
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=8d61d7252433a0470b441c70085391d3dd4c04bb;p=mesa.git

nir: Add a cursor helper for getting a cursor after any phi nodes

Reviewed-by: Jordan Justen <jordan.l.justen@intel.com>
---

diff --git a/src/compiler/nir/nir.h b/src/compiler/nir/nir.h
index 718d281d7de..51d2e79f570 100644
--- a/src/compiler/nir/nir.h
+++ b/src/compiler/nir/nir.h
@@ -1934,6 +1934,22 @@ nir_after_cf_node(nir_cf_node *node)
    return nir_before_block(nir_cf_node_as_block(nir_cf_node_next(node)));
 }
 
+static inline nir_cursor
+nir_after_cf_node_and_phis(nir_cf_node *node)
+{
+   if (node->type == nir_cf_node_block)
+      return nir_after_block(nir_cf_node_as_block(node));
+
+   nir_block *block = nir_cf_node_as_block(nir_cf_node_next(node));
+   assert(block->cf_node.type == nir_cf_node_block);
+
+   nir_foreach_instr(block, instr) {
+      if (instr->type != nir_instr_type_phi)
+         return nir_before_instr(instr);
+   }
+   return nir_after_block(block);
+}
+
 static inline nir_cursor
 nir_before_cf_list(struct exec_list *cf_list)
 {