nir: add nir_foreach_phi_src_safe()

[mesa.git] / src / glsl / nir / nir.h

diff --git a/src/glsl/nir/nir.h b/src/glsl/nir/nir.h
index 0603b3eec67ecf7153a38f3dd54414c303a5f8f8..d19a1907d47c3a30ff3ab2ff3a6f0c0f5d6088a4 100644 (file)
--- a/src/glsl/nir/nir.h
+++ b/src/glsl/nir/nir.h
@@ -1101,6 +1101,8 @@ typedef struct {
 
 #define nir_foreach_phi_src(phi, entry) \
    foreach_list_typed(nir_phi_src, entry, node, &(phi)->srcs)
+#define nir_foreach_phi_src_safe(phi, entry) \
+   foreach_list_typed_safe(nir_phi_src, entry, node, &(phi)->srcs)
 
 typedef struct {
    nir_instr instr;
@@ -1309,7 +1311,7 @@ typedef struct {
 
    struct exec_list body; /** < list of nir_cf_node */
 
-   nir_block *start_block, *end_block;
+   nir_block *end_block;
 
    /** list for all local variables in the function */
    struct exec_list locals;
@@ -1336,6 +1338,12 @@ typedef struct {
    nir_metadata valid_metadata;
 } nir_function_impl;
 
+static inline nir_block *
+nir_start_block(nir_function_impl *impl)
+{
+   return (nir_block *) exec_list_get_head(&impl->body);
+}
+
 static inline nir_cf_node *
 nir_cf_node_next(nir_cf_node *node)
 {
@@ -1500,21 +1508,6 @@ nir_loop *nir_loop_create(void *mem_ctx);
 
 nir_function_impl *nir_cf_node_get_function(nir_cf_node *node);
 
-/** puts a control flow node immediately after another control flow node */
-void nir_cf_node_insert_after(nir_cf_node *node, nir_cf_node *after);
-
-/** puts a control flow node immediately before another control flow node */
-void nir_cf_node_insert_before(nir_cf_node *node, nir_cf_node *before);
-
-/** puts a control flow node at the beginning of a list from an if, loop, or function */
-void nir_cf_node_insert_begin(struct exec_list *list, nir_cf_node *node);
-
-/** puts a control flow node at the end of a list from an if, loop, or function */
-void nir_cf_node_insert_end(struct exec_list *list, nir_cf_node *node);
-
-/** removes a control flow node, doing any cleanup necessary */
-void nir_cf_node_remove(nir_cf_node *node);
-
 /** requests that the given pieces of metadata be generated */
 void nir_metadata_require(nir_function_impl *impl, nir_metadata required);
 /** dirties all but the preserved metadata */
@@ -1654,6 +1647,7 @@ void nir_remove_dead_variables(nir_shader *shader);
 
 void nir_lower_vec_to_movs(nir_shader *shader);
 void nir_lower_alu_to_scalar(nir_shader *shader);
+void nir_lower_load_const_to_scalar(nir_shader *shader);
 
 void nir_lower_phis_to_scalar(nir_shader *shader);
 
@@ -1703,6 +1697,8 @@ bool nir_opt_peephole_ffma(nir_shader *shader);
 
 bool nir_opt_remove_phis(nir_shader *shader);
 
+bool nir_opt_undef(nir_shader *shader);
+
 void nir_sweep(nir_shader *shader);
 
 #ifdef __cplusplus