nir: add nir_foreach_entrypoint macros

for compiling libraries full of kernels.

Signed-off-by: Alyssa Rosenzweig <alyssa@rosenzweig.io>
Reviewed-by: Karol Herbst <kherbst@redhat.com>
Reviewed-by: Konstantin Seurer <konstantin.seurer@gmail.com>
Reviewed-by: Lionel Landwerlin <lionel.g.landwerlin@intel.com>
Reviewed-by: Mary Guillemard <mary.guillemard@collabora.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/32382>

src/.clang-format

@@ -153,6 +153,9 @@ ForEachMacros:
 
   - nir_foreach_function_impl
 
+  - nir_foreach_entrypoint
+  - nir_foreach_entrypoint_safe
+
   - nir_foreach_block_unstructured
   - nir_foreach_block_unstructured_safe
 

src/compiler/nir/nir.h

@@ -4479,6 +4479,14 @@ typedef struct nir_shader {
 #define nir_foreach_function_safe(func, shader) \
    foreach_list_typed_safe(nir_function, func, node, &(shader)->functions)
 
+#define nir_foreach_entrypoint(func, lib) \
+   nir_foreach_function(func, lib)        \
+      if (func->is_entrypoint)
+
+#define nir_foreach_entrypoint_safe(func, lib) \
+   nir_foreach_function_safe(func, lib)        \
+      if (func->is_entrypoint)
+
 static inline nir_function *
 nir_foreach_function_with_impl_first(const nir_shader *shader)
 {