Mesa (master): nir_builder: Return a new builder from nir_builder_init_simple_shader().

GitLab Mirror gitlab-mirror at kemper.freedesktop.org
Wed Nov 11 17:21:51 UTC 2020


Module: Mesa
Branch: master
Commit: 4e9328e3b6a917c2a2b27630a25fbc44f822a6d0
URL:    http://cgit.freedesktop.org/mesa/mesa/commit/?id=4e9328e3b6a917c2a2b27630a25fbc44f822a6d0

Author: Eric Anholt <eric at anholt.net>
Date:   Mon Oct 26 10:44:53 2020 -0700

nir_builder: Return a new builder from nir_builder_init_simple_shader().

It's a little inline function, so we can just RAII it for better
ergonomics.

Reviewed-by: Rhys Perry <pendingchaos02 at gmail.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/7323>

---

 src/amd/vulkan/radv_meta.c                          |  7 ++-----
 src/amd/vulkan/radv_meta_blit.c                     | 16 ++++------------
 src/amd/vulkan/radv_meta_blit2d.c                   | 16 ++++------------
 src/amd/vulkan/radv_meta_buffer.c                   |  8 ++------
 src/amd/vulkan/radv_meta_bufimage.c                 | 21 +++++++--------------
 src/amd/vulkan/radv_meta_clear.c                    | 17 +++++------------
 src/amd/vulkan/radv_meta_fast_clear.c               |  4 ++--
 src/amd/vulkan/radv_meta_fmask_expand.c             |  3 +--
 src/amd/vulkan/radv_meta_resolve.c                  |  3 +--
 src/amd/vulkan/radv_meta_resolve_cs.c               |  6 ++----
 src/amd/vulkan/radv_meta_resolve_fs.c               | 10 +++-------
 src/amd/vulkan/radv_pipeline.c                      |  3 +--
 src/amd/vulkan/radv_query.c                         | 12 ++++--------
 src/amd/vulkan/radv_shader.c                        |  3 +--
 src/broadcom/vulkan/v3dv_meta_clear.c               |  9 +++------
 src/broadcom/vulkan/v3dv_meta_copy.c                |  6 ++----
 src/broadcom/vulkan/v3dv_pipeline.c                 |  5 ++---
 src/compiler/nir/nir_builder.h                      | 20 ++++++++++++--------
 src/compiler/nir/tests/builder_tests.cpp            |  2 +-
 src/compiler/nir/tests/comparison_pre_tests.cpp     |  2 +-
 src/compiler/nir/tests/control_flow_tests.cpp       |  2 +-
 .../nir/tests/load_store_vectorizer_tests.cpp       |  2 +-
 src/compiler/nir/tests/lower_returns_tests.cpp      |  2 +-
 src/compiler/nir/tests/negative_equal_tests.cpp     |  2 +-
 src/compiler/nir/tests/opt_if_tests.cpp             |  2 +-
 src/compiler/nir/tests/serialize_tests.cpp          |  2 +-
 src/compiler/nir/tests/vars_tests.cpp               |  2 +-
 src/freedreno/vulkan/tu_pipeline.c                  |  6 +++---
 src/gallium/auxiliary/nir/tgsi_to_nir.c             |  6 +++---
 src/gallium/drivers/vc4/vc4_blit.c                  |  7 +++----
 src/gallium/frontends/lavapipe/lvp_pipeline.c       |  4 +---
 src/intel/blorp/blorp_nir_builder.h                 |  2 +-
 src/intel/compiler/brw_nir.c                        |  5 ++---
 src/mesa/program/prog_to_nir.c                      |  2 +-
 src/mesa/state_tracker/st_cb_drawpixels.c           |  6 ++----
 src/mesa/state_tracker/st_nir_builtins.c            |  3 +--
 src/mesa/state_tracker/st_pbo.c                     |  6 ++----
 src/panfrost/lib/pan_blit.c                         |  3 +--
 38 files changed, 87 insertions(+), 150 deletions(-)

diff --git a/src/amd/vulkan/radv_meta.c b/src/amd/vulkan/radv_meta.c
index 8b816e0b165..efedcdf6196 100644
--- a/src/amd/vulkan/radv_meta.c
+++ b/src/amd/vulkan/radv_meta.c
@@ -546,10 +546,9 @@ radv_meta_build_nir_vs_generate_vertices(void)
 {
 	const struct glsl_type *vec4 = glsl_vec4_type();
 
-	nir_builder b;
 	nir_variable *v_position;
 
-	nir_builder_init_simple_shader(&b, NULL, MESA_SHADER_VERTEX, NULL);
+	nir_builder b = nir_builder_init_simple_shader(NULL, MESA_SHADER_VERTEX, NULL);
 	b.shader->info.name = ralloc_strdup(b.shader, "meta_vs_gen_verts");
 
 	nir_ssa_def *outvec = radv_meta_gen_rect_vertices(&b);
@@ -566,9 +565,7 @@ radv_meta_build_nir_vs_generate_vertices(void)
 nir_shader *
 radv_meta_build_nir_fs_noop(void)
 {
-	nir_builder b;
-
-	nir_builder_init_simple_shader(&b, NULL, MESA_SHADER_FRAGMENT, NULL);
+	nir_builder b = nir_builder_init_simple_shader(NULL, MESA_SHADER_FRAGMENT, NULL);
 	b.shader->info.name = ralloc_asprintf(b.shader,
 					       "meta_noop_fs");
 
diff --git a/src/amd/vulkan/radv_meta_blit.c b/src/amd/vulkan/radv_meta_blit.c
index b31af3b2bfc..fcc4eab870f 100644
--- a/src/amd/vulkan/radv_meta_blit.c
+++ b/src/amd/vulkan/radv_meta_blit.c
@@ -42,9 +42,7 @@ static nir_shader *
 build_nir_vertex_shader(void)
 {
 	const struct glsl_type *vec4 = glsl_vec4_type();
-	nir_builder b;
-
-	nir_builder_init_simple_shader(&b, NULL, MESA_SHADER_VERTEX, NULL);
+	nir_builder b = nir_builder_init_simple_shader(NULL, MESA_SHADER_VERTEX, NULL);
 	b.shader->info.name = ralloc_strdup(b.shader, "meta_blit_vs");
 
 	nir_variable *pos_out = nir_variable_create(b.shader, nir_var_shader_out,
@@ -111,9 +109,7 @@ build_nir_copy_fragment_shader(enum glsl_sampler_dim tex_dim)
 {
 	char shader_name[64];
 	const struct glsl_type *vec4 = glsl_vec4_type();
-	nir_builder b;
-
-	nir_builder_init_simple_shader(&b, NULL, MESA_SHADER_FRAGMENT, NULL);
+	nir_builder b = nir_builder_init_simple_shader(NULL, MESA_SHADER_FRAGMENT, NULL);
 
 	sprintf(shader_name, "meta_blit_fs.%d", tex_dim);
 	b.shader->info.name = ralloc_strdup(b.shader, shader_name);
@@ -169,9 +165,7 @@ build_nir_copy_fragment_shader_depth(enum glsl_sampler_dim tex_dim)
 {
 	char shader_name[64];
 	const struct glsl_type *vec4 = glsl_vec4_type();
-	nir_builder b;
-
-	nir_builder_init_simple_shader(&b, NULL, MESA_SHADER_FRAGMENT, NULL);
+	nir_builder b = nir_builder_init_simple_shader(NULL, MESA_SHADER_FRAGMENT, NULL);
 
 	sprintf(shader_name, "meta_blit_depth_fs.%d", tex_dim);
 	b.shader->info.name = ralloc_strdup(b.shader, shader_name);
@@ -227,9 +221,7 @@ build_nir_copy_fragment_shader_stencil(enum glsl_sampler_dim tex_dim)
 {
 	char shader_name[64];
 	const struct glsl_type *vec4 = glsl_vec4_type();
-	nir_builder b;
-
-	nir_builder_init_simple_shader(&b, NULL, MESA_SHADER_FRAGMENT, NULL);
+	nir_builder b = nir_builder_init_simple_shader(NULL, MESA_SHADER_FRAGMENT, NULL);
 
 	sprintf(shader_name, "meta_blit_stencil_fs.%d", tex_dim);
 	b.shader->info.name = ralloc_strdup(b.shader, shader_name);
diff --git a/src/amd/vulkan/radv_meta_blit2d.c b/src/amd/vulkan/radv_meta_blit2d.c
index 47939b22443..9cf951ca138 100644
--- a/src/amd/vulkan/radv_meta_blit2d.c
+++ b/src/amd/vulkan/radv_meta_blit2d.c
@@ -428,9 +428,7 @@ build_nir_vertex_shader(void)
 {
 	const struct glsl_type *vec4 = glsl_vec4_type();
 	const struct glsl_type *vec2 = glsl_vector_type(GLSL_TYPE_FLOAT, 2);
-	nir_builder b;
-
-	nir_builder_init_simple_shader(&b, NULL, MESA_SHADER_VERTEX, NULL);
+	nir_builder b = nir_builder_init_simple_shader(NULL, MESA_SHADER_VERTEX, NULL);
 	b.shader->info.name = ralloc_strdup(b.shader, "meta_blit2d_vs");
 
 	nir_variable *pos_out = nir_variable_create(b.shader, nir_var_shader_out,
@@ -603,9 +601,7 @@ build_nir_copy_fragment_shader(struct radv_device *device,
 {
 	const struct glsl_type *vec4 = glsl_vec4_type();
 	const struct glsl_type *vec2 = glsl_vector_type(GLSL_TYPE_FLOAT, 2);
-	nir_builder b;
-
-	nir_builder_init_simple_shader(&b, NULL, MESA_SHADER_FRAGMENT, NULL);
+	nir_builder b = nir_builder_init_simple_shader(NULL, MESA_SHADER_FRAGMENT, NULL);
 	b.shader->info.name = ralloc_strdup(b.shader, name);
 
 	nir_variable *tex_pos_in = nir_variable_create(b.shader, nir_var_shader_in,
@@ -632,9 +628,7 @@ build_nir_copy_fragment_shader_depth(struct radv_device *device,
 {
 	const struct glsl_type *vec4 = glsl_vec4_type();
 	const struct glsl_type *vec2 = glsl_vector_type(GLSL_TYPE_FLOAT, 2);
-	nir_builder b;
-
-	nir_builder_init_simple_shader(&b, NULL, MESA_SHADER_FRAGMENT, NULL);
+	nir_builder b = nir_builder_init_simple_shader(NULL, MESA_SHADER_FRAGMENT, NULL);
 	b.shader->info.name = ralloc_strdup(b.shader, name);
 
 	nir_variable *tex_pos_in = nir_variable_create(b.shader, nir_var_shader_in,
@@ -661,9 +655,7 @@ build_nir_copy_fragment_shader_stencil(struct radv_device *device,
 {
 	const struct glsl_type *vec4 = glsl_vec4_type();
 	const struct glsl_type *vec2 = glsl_vector_type(GLSL_TYPE_FLOAT, 2);
-	nir_builder b;
-
-	nir_builder_init_simple_shader(&b, NULL, MESA_SHADER_FRAGMENT, NULL);
+	nir_builder b = nir_builder_init_simple_shader(NULL, MESA_SHADER_FRAGMENT, NULL);
 	b.shader->info.name = ralloc_strdup(b.shader, name);
 
 	nir_variable *tex_pos_in = nir_variable_create(b.shader, nir_var_shader_in,
diff --git a/src/amd/vulkan/radv_meta_buffer.c b/src/amd/vulkan/radv_meta_buffer.c
index 17cdf796a6b..08bfcd2bfd1 100644
--- a/src/amd/vulkan/radv_meta_buffer.c
+++ b/src/amd/vulkan/radv_meta_buffer.c
@@ -7,9 +7,7 @@
 static nir_shader *
 build_buffer_fill_shader(struct radv_device *dev)
 {
-	nir_builder b;
-
-	nir_builder_init_simple_shader(&b, NULL, MESA_SHADER_COMPUTE, NULL);
+	nir_builder b = nir_builder_init_simple_shader(NULL, MESA_SHADER_COMPUTE, NULL);
 	b.shader->info.name = ralloc_strdup(b.shader, "meta_buffer_fill");
 	b.shader->info.cs.local_size[0] = 64;
 	b.shader->info.cs.local_size[1] = 1;
@@ -55,9 +53,7 @@ build_buffer_fill_shader(struct radv_device *dev)
 static nir_shader *
 build_buffer_copy_shader(struct radv_device *dev)
 {
-	nir_builder b;
-
-	nir_builder_init_simple_shader(&b, NULL, MESA_SHADER_COMPUTE, NULL);
+	nir_builder b = nir_builder_init_simple_shader(NULL, MESA_SHADER_COMPUTE, NULL);
 	b.shader->info.name = ralloc_strdup(b.shader, "meta_buffer_copy");
 	b.shader->info.cs.local_size[0] = 64;
 	b.shader->info.cs.local_size[1] = 1;
diff --git a/src/amd/vulkan/radv_meta_bufimage.c b/src/amd/vulkan/radv_meta_bufimage.c
index 913d14de4a1..bde162268fc 100644
--- a/src/amd/vulkan/radv_meta_bufimage.c
+++ b/src/amd/vulkan/radv_meta_bufimage.c
@@ -35,7 +35,6 @@
 static nir_shader *
 build_nir_itob_compute_shader(struct radv_device *dev, bool is_3d)
 {
-	nir_builder b;
 	enum glsl_sampler_dim dim = is_3d ? GLSL_SAMPLER_DIM_3D : GLSL_SAMPLER_DIM_2D;
 	const struct glsl_type *sampler_type = glsl_sampler_type(dim,
 								 false,
@@ -44,7 +43,7 @@ build_nir_itob_compute_shader(struct radv_device *dev, bool is_3d)
 	const struct glsl_type *img_type = glsl_image_type(GLSL_SAMPLER_DIM_BUF,
 							   false,
 							   GLSL_TYPE_FLOAT);
-	nir_builder_init_simple_shader(&b, NULL, MESA_SHADER_COMPUTE, NULL);
+	nir_builder b = nir_builder_init_simple_shader(NULL, MESA_SHADER_COMPUTE, NULL);
 	b.shader->info.name = ralloc_strdup(b.shader, is_3d ? "meta_itob_cs_3d" : "meta_itob_cs");
 	b.shader->info.cs.local_size[0] = 16;
 	b.shader->info.cs.local_size[1] = 16;
@@ -264,7 +263,6 @@ radv_device_finish_meta_itob_state(struct radv_device *device)
 static nir_shader *
 build_nir_btoi_compute_shader(struct radv_device *dev, bool is_3d)
 {
-	nir_builder b;
 	enum glsl_sampler_dim dim = is_3d ? GLSL_SAMPLER_DIM_3D : GLSL_SAMPLER_DIM_2D;
 	const struct glsl_type *buf_type = glsl_sampler_type(GLSL_SAMPLER_DIM_BUF,
 							     false,
@@ -273,7 +271,7 @@ build_nir_btoi_compute_shader(struct radv_device *dev, bool is_3d)
 	const struct glsl_type *img_type = glsl_image_type(dim,
 							   false,
 							   GLSL_TYPE_FLOAT);
-	nir_builder_init_simple_shader(&b, NULL, MESA_SHADER_COMPUTE, NULL);
+	nir_builder b = nir_builder_init_simple_shader(NULL, MESA_SHADER_COMPUTE, NULL);
 	b.shader->info.name = ralloc_strdup(b.shader, is_3d ? "meta_btoi_cs_3d" : "meta_btoi_cs");
 	b.shader->info.cs.local_size[0] = 16;
 	b.shader->info.cs.local_size[1] = 16;
@@ -487,7 +485,6 @@ radv_device_finish_meta_btoi_state(struct radv_device *device)
 static nir_shader *
 build_nir_btoi_r32g32b32_compute_shader(struct radv_device *dev)
 {
-	nir_builder b;
 	const struct glsl_type *buf_type = glsl_sampler_type(GLSL_SAMPLER_DIM_BUF,
 							     false,
 							     false,
@@ -495,7 +492,7 @@ build_nir_btoi_r32g32b32_compute_shader(struct radv_device *dev)
 	const struct glsl_type *img_type = glsl_image_type(GLSL_SAMPLER_DIM_BUF,
 							   false,
 							   GLSL_TYPE_FLOAT);
-	nir_builder_init_simple_shader(&b, NULL, MESA_SHADER_COMPUTE, NULL);
+	nir_builder b = nir_builder_init_simple_shader(NULL, MESA_SHADER_COMPUTE, NULL);
 	b.shader->info.name = ralloc_strdup(b.shader, "meta_btoi_r32g32b32_cs");
 	b.shader->info.cs.local_size[0] = 16;
 	b.shader->info.cs.local_size[1] = 16;
@@ -694,7 +691,6 @@ radv_device_finish_meta_btoi_r32g32b32_state(struct radv_device *device)
 static nir_shader *
 build_nir_itoi_compute_shader(struct radv_device *dev, bool is_3d)
 {
-	nir_builder b;
 	enum glsl_sampler_dim dim = is_3d ? GLSL_SAMPLER_DIM_3D : GLSL_SAMPLER_DIM_2D;
 	const struct glsl_type *buf_type = glsl_sampler_type(dim,
 							     false,
@@ -703,7 +699,7 @@ build_nir_itoi_compute_shader(struct radv_device *dev, bool is_3d)
 	const struct glsl_type *img_type = glsl_image_type(dim,
 							   false,
 							   GLSL_TYPE_FLOAT);
-	nir_builder_init_simple_shader(&b, NULL, MESA_SHADER_COMPUTE, NULL);
+	nir_builder b = nir_builder_init_simple_shader(NULL, MESA_SHADER_COMPUTE, NULL);
 	b.shader->info.name = ralloc_strdup(b.shader, is_3d ? "meta_itoi_cs_3d" : "meta_itoi_cs");
 	b.shader->info.cs.local_size[0] = 16;
 	b.shader->info.cs.local_size[1] = 16;
@@ -912,7 +908,6 @@ radv_device_finish_meta_itoi_state(struct radv_device *device)
 static nir_shader *
 build_nir_itoi_r32g32b32_compute_shader(struct radv_device *dev)
 {
-	nir_builder b;
 	const struct glsl_type *type = glsl_sampler_type(GLSL_SAMPLER_DIM_BUF,
 							 false,
 							 false,
@@ -920,7 +915,7 @@ build_nir_itoi_r32g32b32_compute_shader(struct radv_device *dev)
 	const struct glsl_type *img_type = glsl_image_type(GLSL_SAMPLER_DIM_BUF,
 							   false,
 							   GLSL_TYPE_FLOAT);
-	nir_builder_init_simple_shader(&b, NULL, MESA_SHADER_COMPUTE, NULL);
+	nir_builder b = nir_builder_init_simple_shader(NULL, MESA_SHADER_COMPUTE, NULL);
 	b.shader->info.name = ralloc_strdup(b.shader, "meta_itoi_r32g32b32_cs");
 	b.shader->info.cs.local_size[0] = 16;
 	b.shader->info.cs.local_size[1] = 16;
@@ -1126,12 +1121,11 @@ radv_device_finish_meta_itoi_r32g32b32_state(struct radv_device *device)
 static nir_shader *
 build_nir_cleari_compute_shader(struct radv_device *dev, bool is_3d)
 {
-	nir_builder b;
 	enum glsl_sampler_dim dim = is_3d ? GLSL_SAMPLER_DIM_3D : GLSL_SAMPLER_DIM_2D;
 	const struct glsl_type *img_type = glsl_image_type(dim,
 							   false,
 							   GLSL_TYPE_FLOAT);
-	nir_builder_init_simple_shader(&b, NULL, MESA_SHADER_COMPUTE, NULL);
+	nir_builder b = nir_builder_init_simple_shader(NULL, MESA_SHADER_COMPUTE, NULL);
 	b.shader->info.name = ralloc_strdup(b.shader, is_3d ? "meta_cleari_cs_3d" : "meta_cleari_cs");
 	b.shader->info.cs.local_size[0] = 16;
 	b.shader->info.cs.local_size[1] = 16;
@@ -1319,11 +1313,10 @@ radv_device_finish_meta_cleari_state(struct radv_device *device)
 static nir_shader *
 build_nir_cleari_r32g32b32_compute_shader(struct radv_device *dev)
 {
-	nir_builder b;
 	const struct glsl_type *img_type = glsl_image_type(GLSL_SAMPLER_DIM_BUF,
 							   false,
 							   GLSL_TYPE_FLOAT);
-	nir_builder_init_simple_shader(&b, NULL, MESA_SHADER_COMPUTE, NULL);
+	nir_builder b = nir_builder_init_simple_shader(NULL, MESA_SHADER_COMPUTE, NULL);
 	b.shader->info.name = ralloc_strdup(b.shader, "meta_cleari_r32g32b32_cs");
 	b.shader->info.cs.local_size[0] = 16;
 	b.shader->info.cs.local_size[1] = 16;
diff --git a/src/amd/vulkan/radv_meta_clear.c b/src/amd/vulkan/radv_meta_clear.c
index 448489548ad..ba05ad7153e 100644
--- a/src/amd/vulkan/radv_meta_clear.c
+++ b/src/amd/vulkan/radv_meta_clear.c
@@ -40,11 +40,8 @@ build_color_shaders(struct nir_shader **out_vs,
                     struct nir_shader **out_fs,
                     uint32_t frag_output)
 {
-	nir_builder vs_b;
-	nir_builder fs_b;
-
-	nir_builder_init_simple_shader(&vs_b, NULL, MESA_SHADER_VERTEX, NULL);
-	nir_builder_init_simple_shader(&fs_b, NULL, MESA_SHADER_FRAGMENT, NULL);
+	nir_builder vs_b = nir_builder_init_simple_shader(NULL, MESA_SHADER_VERTEX, NULL);
+	nir_builder fs_b = nir_builder_init_simple_shader(NULL, MESA_SHADER_FRAGMENT, NULL);
 
 	vs_b.shader->info.name = ralloc_strdup(vs_b.shader, "meta_clear_color_vs");
 	fs_b.shader->info.name = ralloc_strdup(fs_b.shader, "meta_clear_color_fs");
@@ -507,10 +504,8 @@ build_depthstencil_shader(struct nir_shader **out_vs,
 			  struct nir_shader **out_fs,
 			  bool unrestricted)
 {
-	nir_builder vs_b, fs_b;
-
-	nir_builder_init_simple_shader(&vs_b, NULL, MESA_SHADER_VERTEX, NULL);
-	nir_builder_init_simple_shader(&fs_b, NULL, MESA_SHADER_FRAGMENT, NULL);
+	nir_builder vs_b = nir_builder_init_simple_shader(NULL, MESA_SHADER_VERTEX, NULL);
+	nir_builder fs_b = nir_builder_init_simple_shader(NULL, MESA_SHADER_FRAGMENT, NULL);
 
 	vs_b.shader->info.name = ralloc_strdup(vs_b.shader,
 					       unrestricted ? "meta_clear_depthstencil_unrestricted_vs"
@@ -1166,9 +1161,7 @@ radv_fast_clear_depth(struct radv_cmd_buffer *cmd_buffer,
 static nir_shader *
 build_clear_htile_mask_shader()
 {
-	nir_builder b;
-
-	nir_builder_init_simple_shader(&b, NULL, MESA_SHADER_COMPUTE, NULL);
+	nir_builder b = nir_builder_init_simple_shader(NULL, MESA_SHADER_COMPUTE, NULL);
 	b.shader->info.name = ralloc_strdup(b.shader, "meta_clear_htile_mask");
 	b.shader->info.cs.local_size[0] = 64;
 	b.shader->info.cs.local_size[1] = 1;
diff --git a/src/amd/vulkan/radv_meta_fast_clear.c b/src/amd/vulkan/radv_meta_fast_clear.c
index 9e587c3d7c0..6472ca91f1b 100644
--- a/src/amd/vulkan/radv_meta_fast_clear.c
+++ b/src/amd/vulkan/radv_meta_fast_clear.c
@@ -32,7 +32,6 @@
 static nir_shader *
 build_dcc_decompress_compute_shader(struct radv_device *dev)
 {
-	nir_builder b;
 	const struct glsl_type *buf_type = glsl_sampler_type(GLSL_SAMPLER_DIM_2D,
 							     false,
 							     false,
@@ -40,7 +39,8 @@ build_dcc_decompress_compute_shader(struct radv_device *dev)
 	const struct glsl_type *img_type = glsl_image_type(GLSL_SAMPLER_DIM_2D,
 							   false,
 							   GLSL_TYPE_FLOAT);
-	nir_builder_init_simple_shader(&b, NULL, MESA_SHADER_COMPUTE, NULL);
+
+	nir_builder b = nir_builder_init_simple_shader(NULL, MESA_SHADER_COMPUTE, NULL);
 	b.shader->info.name = ralloc_strdup(b.shader, "dcc_decompress_compute");
 
 	/* We need at least 16/16/1 to cover an entire DCC block in a single workgroup. */
diff --git a/src/amd/vulkan/radv_meta_fmask_expand.c b/src/amd/vulkan/radv_meta_fmask_expand.c
index 3a109110c95..6cfa072ffcd 100644
--- a/src/amd/vulkan/radv_meta_fmask_expand.c
+++ b/src/amd/vulkan/radv_meta_fmask_expand.c
@@ -29,7 +29,6 @@
 static nir_shader *
 build_fmask_expand_compute_shader(struct radv_device *device, int samples)
 {
-	nir_builder b;
 	char name[64];
 	const struct glsl_type *type =
 		glsl_sampler_type(GLSL_SAMPLER_DIM_MS, false, false,
@@ -40,7 +39,7 @@ build_fmask_expand_compute_shader(struct radv_device *device, int samples)
 
 	snprintf(name, 64, "meta_fmask_expand_cs-%d", samples);
 
-	nir_builder_init_simple_shader(&b, NULL, MESA_SHADER_COMPUTE, NULL);
+	nir_builder b = nir_builder_init_simple_shader(NULL, MESA_SHADER_COMPUTE, NULL);
 	b.shader->info.name = ralloc_strdup(b.shader, name);
 	b.shader->info.cs.local_size[0] = 16;
 	b.shader->info.cs.local_size[1] = 16;
diff --git a/src/amd/vulkan/radv_meta_resolve.c b/src/amd/vulkan/radv_meta_resolve.c
index 809522bb49a..a60196f2d15 100644
--- a/src/amd/vulkan/radv_meta_resolve.c
+++ b/src/amd/vulkan/radv_meta_resolve.c
@@ -35,10 +35,9 @@ static nir_shader *
 build_nir_fs(void)
 {
 	const struct glsl_type *vec4 = glsl_vec4_type();
-	nir_builder b;
 	nir_variable *f_color; /* vec4, fragment output color */
 
-	nir_builder_init_simple_shader(&b, NULL, MESA_SHADER_FRAGMENT, NULL);
+	nir_builder b = nir_builder_init_simple_shader(NULL, MESA_SHADER_FRAGMENT, NULL);
 	b.shader->info.name = ralloc_asprintf(b.shader,
 					       "meta_resolve_fs");
 
diff --git a/src/amd/vulkan/radv_meta_resolve_cs.c b/src/amd/vulkan/radv_meta_resolve_cs.c
index 117b4082105..3ec8e43d847 100644
--- a/src/amd/vulkan/radv_meta_resolve_cs.c
+++ b/src/amd/vulkan/radv_meta_resolve_cs.c
@@ -67,7 +67,6 @@ static nir_ssa_def *radv_meta_build_resolve_srgb_conversion(nir_builder *b,
 static nir_shader *
 build_resolve_compute_shader(struct radv_device *dev, bool is_integer, bool is_srgb, int samples)
 {
-	nir_builder b;
 	char name[64];
 	const struct glsl_type *sampler_type = glsl_sampler_type(GLSL_SAMPLER_DIM_MS,
 								 false,
@@ -77,7 +76,7 @@ build_resolve_compute_shader(struct radv_device *dev, bool is_integer, bool is_s
 							   false,
 							   GLSL_TYPE_FLOAT);
 	snprintf(name, 64, "meta_resolve_cs-%d-%s", samples, is_integer ? "int" : (is_srgb ? "srgb" : "float"));
-	nir_builder_init_simple_shader(&b, NULL, MESA_SHADER_COMPUTE, NULL);
+	nir_builder b = nir_builder_init_simple_shader(NULL, MESA_SHADER_COMPUTE, NULL);
 	b.shader->info.name = ralloc_strdup(b.shader, name);
 	b.shader->info.cs.local_size[0] = 16;
 	b.shader->info.cs.local_size[1] = 16;
@@ -166,7 +165,6 @@ build_depth_stencil_resolve_compute_shader(struct radv_device *dev, int samples,
 					   int index,
 					   VkResolveModeFlagBits resolve_mode)
 {
-	nir_builder b;
 	char name[64];
 	const struct glsl_type *sampler_type = glsl_sampler_type(GLSL_SAMPLER_DIM_MS,
 								 false,
@@ -179,7 +177,7 @@ build_depth_stencil_resolve_compute_shader(struct radv_device *dev, int samples,
 		 index == DEPTH_RESOLVE ? "depth" : "stencil",
 		 get_resolve_mode_str(resolve_mode), samples);
 
-	nir_builder_init_simple_shader(&b, NULL, MESA_SHADER_COMPUTE, NULL);
+	nir_builder b = nir_builder_init_simple_shader(NULL, MESA_SHADER_COMPUTE, NULL);
 	b.shader->info.name = ralloc_strdup(b.shader, name);
 	b.shader->info.cs.local_size[0] = 16;
 	b.shader->info.cs.local_size[1] = 16;
diff --git a/src/amd/vulkan/radv_meta_resolve_fs.c b/src/amd/vulkan/radv_meta_resolve_fs.c
index c60d5eb1dca..33a09ea5a12 100644
--- a/src/amd/vulkan/radv_meta_resolve_fs.c
+++ b/src/amd/vulkan/radv_meta_resolve_fs.c
@@ -35,9 +35,7 @@ static nir_shader *
 build_nir_vertex_shader(void)
 {
 	const struct glsl_type *vec4 = glsl_vec4_type();
-	nir_builder b;
-
-	nir_builder_init_simple_shader(&b, NULL, MESA_SHADER_VERTEX, NULL);
+	nir_builder b = nir_builder_init_simple_shader(NULL, MESA_SHADER_VERTEX, NULL);
 	b.shader->info.name = ralloc_strdup(b.shader, "meta_resolve_vs");
 
 	nir_variable *pos_out = nir_variable_create(b.shader, nir_var_shader_out,
@@ -53,7 +51,6 @@ build_nir_vertex_shader(void)
 static nir_shader *
 build_resolve_fragment_shader(struct radv_device *dev, bool is_integer, int samples)
 {
-	nir_builder b;
 	char name[64];
 	const struct glsl_type *vec4 = glsl_vec4_type();
 	const struct glsl_type *sampler_type = glsl_sampler_type(GLSL_SAMPLER_DIM_MS,
@@ -62,7 +59,7 @@ build_resolve_fragment_shader(struct radv_device *dev, bool is_integer, int samp
 								 GLSL_TYPE_FLOAT);
 
 	snprintf(name, 64, "meta_resolve_fs-%d-%s", samples, is_integer ? "int" : "float");
-	nir_builder_init_simple_shader(&b, NULL, MESA_SHADER_FRAGMENT, NULL);
+	nir_builder b = nir_builder_init_simple_shader(NULL, MESA_SHADER_FRAGMENT, NULL);
 	b.shader->info.name = ralloc_strdup(b.shader, name);
 
 	nir_variable *input_img = nir_variable_create(b.shader, nir_var_uniform,
@@ -359,7 +356,6 @@ build_depth_stencil_resolve_fragment_shader(struct radv_device *dev, int samples
 					    int index,
 					    VkResolveModeFlagBits resolve_mode)
 {
-	nir_builder b;
 	char name[64];
 	const struct glsl_type *vec4 = glsl_vec4_type();
 	const struct glsl_type *sampler_type = glsl_sampler_type(GLSL_SAMPLER_DIM_2D,
@@ -371,7 +367,7 @@ build_depth_stencil_resolve_fragment_shader(struct radv_device *dev, int samples
 		 index == DEPTH_RESOLVE ? "depth" : "stencil",
 		 get_resolve_mode_str(resolve_mode), samples);
 
-	nir_builder_init_simple_shader(&b, NULL, MESA_SHADER_FRAGMENT, NULL);
+	nir_builder b = nir_builder_init_simple_shader(NULL, MESA_SHADER_FRAGMENT, NULL);
 	b.shader->info.name = ralloc_strdup(b.shader, name);
 
 	nir_variable *input_img = nir_variable_create(b.shader, nir_var_uniform,
diff --git a/src/amd/vulkan/radv_pipeline.c b/src/amd/vulkan/radv_pipeline.c
index f480a57f3f3..828638582c9 100644
--- a/src/amd/vulkan/radv_pipeline.c
+++ b/src/amd/vulkan/radv_pipeline.c
@@ -3073,8 +3073,7 @@ VkResult radv_create_shaders(struct radv_pipeline *pipeline,
 	}
 
 	if (!modules[MESA_SHADER_FRAGMENT] && !modules[MESA_SHADER_COMPUTE]) {
-		nir_builder fs_b;
-		nir_builder_init_simple_shader(&fs_b, NULL, MESA_SHADER_FRAGMENT, NULL);
+		nir_builder fs_b = nir_builder_init_simple_shader(NULL, MESA_SHADER_FRAGMENT, NULL);
 		fs_b.shader->info.name = ralloc_strdup(fs_b.shader, "noop_fs");
 		fs_m.nir = fs_b.shader;
 		modules[MESA_SHADER_FRAGMENT] = &fs_m;
diff --git a/src/amd/vulkan/radv_query.c b/src/amd/vulkan/radv_query.c
index d49bc0f0564..4be6ea1f69d 100644
--- a/src/amd/vulkan/radv_query.c
+++ b/src/amd/vulkan/radv_query.c
@@ -153,8 +153,7 @@ build_occlusion_query_shader(struct radv_device *device) {
 	 * 	}
 	 * }
 	 */
-	nir_builder b;
-	nir_builder_init_simple_shader(&b, NULL, MESA_SHADER_COMPUTE, NULL);
+	nir_builder b = nir_builder_init_simple_shader(NULL, MESA_SHADER_COMPUTE, NULL);
 	b.shader->info.name = ralloc_strdup(b.shader, "occlusion_query");
 	b.shader->info.cs.local_size[0] = 64;
 	b.shader->info.cs.local_size[1] = 1;
@@ -321,8 +320,7 @@ build_pipeline_statistics_query_shader(struct radv_device *device) {
 	 * 	}
 	 * }
 	 */
-	nir_builder b;
-	nir_builder_init_simple_shader(&b, NULL, MESA_SHADER_COMPUTE, NULL);
+	nir_builder b = nir_builder_init_simple_shader(NULL, MESA_SHADER_COMPUTE, NULL);
 	b.shader->info.name = ralloc_strdup(b.shader, "pipeline_statistics_query");
 	b.shader->info.cs.local_size[0] = 64;
 	b.shader->info.cs.local_size[1] = 1;
@@ -516,8 +514,7 @@ build_tfb_query_shader(struct radv_device *device)
 	 * 	}
 	 * }
 	 */
-	nir_builder b;
-	nir_builder_init_simple_shader(&b, NULL, MESA_SHADER_COMPUTE, NULL);
+	nir_builder b = nir_builder_init_simple_shader(NULL, MESA_SHADER_COMPUTE, NULL);
 	b.shader->info.name = ralloc_strdup(b.shader, "tfb_query");
 	b.shader->info.cs.local_size[0] = 64;
 	b.shader->info.cs.local_size[1] = 1;
@@ -695,8 +692,7 @@ build_timestamp_query_shader(struct radv_device *device)
 	 * 	}
 	 * }
 	 */
-	nir_builder b;
-	nir_builder_init_simple_shader(&b, NULL, MESA_SHADER_COMPUTE, NULL);
+	nir_builder b = nir_builder_init_simple_shader(NULL, MESA_SHADER_COMPUTE, NULL);
 	b.shader->info.name = ralloc_strdup(b.shader, "timestamp_query");
 	b.shader->info.cs.local_size[0] = 64;
 	b.shader->info.cs.local_size[1] = 1;
diff --git a/src/amd/vulkan/radv_shader.c b/src/amd/vulkan/radv_shader.c
index 0c5579f5f5f..9d7c8ac41c0 100644
--- a/src/amd/vulkan/radv_shader.c
+++ b/src/amd/vulkan/radv_shader.c
@@ -1403,8 +1403,7 @@ radv_create_trap_handler_shader(struct radv_device *device)
 	struct radv_shader_binary *binary = NULL;
 	struct radv_shader_info info = {0};
 
-	nir_builder b;
-	nir_builder_init_simple_shader(&b, NULL, MESA_SHADER_COMPUTE, NULL);
+	nir_builder b = nir_builder_init_simple_shader(NULL, MESA_SHADER_COMPUTE, NULL);
 	b.shader->info.name = ralloc_strdup(b.shader, "meta_trap_handler");
 
 	options.explicit_scratch_args = true;
diff --git a/src/broadcom/vulkan/v3dv_meta_clear.c b/src/broadcom/vulkan/v3dv_meta_clear.c
index 4057a75e041..8b03b361efc 100644
--- a/src/broadcom/vulkan/v3dv_meta_clear.c
+++ b/src/broadcom/vulkan/v3dv_meta_clear.c
@@ -129,9 +129,8 @@ gen_rect_vertices(nir_builder *b)
 static nir_shader *
 get_clear_rect_vs()
 {
-   nir_builder b;
    const nir_shader_compiler_options *options = v3dv_pipeline_get_nir_options();
-   nir_builder_init_simple_shader(&b, NULL, MESA_SHADER_VERTEX, options);
+   nir_builder b = nir_builder_init_simple_shader(NULL, MESA_SHADER_VERTEX, options);
    b.shader->info.name = ralloc_strdup(b.shader, "meta clear vs");
 
    const struct glsl_type *vec4 = glsl_vec4_type();
@@ -148,9 +147,8 @@ get_clear_rect_vs()
 static nir_shader *
 get_color_clear_rect_fs(uint32_t rt_idx, VkFormat format)
 {
-   nir_builder b;
    const nir_shader_compiler_options *options = v3dv_pipeline_get_nir_options();
-   nir_builder_init_simple_shader(&b, NULL, MESA_SHADER_FRAGMENT, options);
+   nir_builder b = nir_builder_init_simple_shader(NULL, MESA_SHADER_FRAGMENT, options);
    b.shader->info.name = ralloc_strdup(b.shader, "meta clear fs");
 
    enum pipe_format pformat = vk_format_to_pipe_format(format);
@@ -178,9 +176,8 @@ get_color_clear_rect_fs(uint32_t rt_idx, VkFormat format)
 static nir_shader *
 get_depth_clear_rect_fs()
 {
-   nir_builder b;
    const nir_shader_compiler_options *options = v3dv_pipeline_get_nir_options();
-   nir_builder_init_simple_shader(&b, NULL, MESA_SHADER_FRAGMENT, options);
+   nir_builder b = nir_builder_init_simple_shader(NULL, MESA_SHADER_FRAGMENT, options);
    b.shader->info.name = ralloc_strdup(b.shader, "meta depth clear fs");
 
    nir_variable *fs_out_depth =
diff --git a/src/broadcom/vulkan/v3dv_meta_copy.c b/src/broadcom/vulkan/v3dv_meta_copy.c
index 3b91589e26d..21e25b91eb0 100644
--- a/src/broadcom/vulkan/v3dv_meta_copy.c
+++ b/src/broadcom/vulkan/v3dv_meta_copy.c
@@ -3492,9 +3492,8 @@ build_nir_tex_op(struct nir_builder *b,
 static nir_shader *
 get_blit_vs()
 {
-   nir_builder b;
    const nir_shader_compiler_options *options = v3dv_pipeline_get_nir_options();
-   nir_builder_init_simple_shader(&b, NULL, MESA_SHADER_VERTEX, options);
+   nir_builder b = nir_builder_init_simple_shader(NULL, MESA_SHADER_VERTEX, options);
    b.shader->info.name = ralloc_strdup(b.shader, "meta blit vs");
 
    const struct glsl_type *vec4 = glsl_vec4_type();
@@ -3538,9 +3537,8 @@ get_color_blit_fs(struct v3dv_device *device,
                   VkSampleCountFlagBits src_samples,
                   enum glsl_sampler_dim sampler_dim)
 {
-   nir_builder b;
    const nir_shader_compiler_options *options = v3dv_pipeline_get_nir_options();
-   nir_builder_init_simple_shader(&b, NULL, MESA_SHADER_FRAGMENT, options);
+   nir_builder b = nir_builder_init_simple_shader(NULL, MESA_SHADER_FRAGMENT, options);
    b.shader->info.name = ralloc_strdup(b.shader, "meta blit fs");
 
    const struct glsl_type *vec4 = glsl_vec4_type();
diff --git a/src/broadcom/vulkan/v3dv_pipeline.c b/src/broadcom/vulkan/v3dv_pipeline.c
index 27b98aca03b..8490eb85f51 100644
--- a/src/broadcom/vulkan/v3dv_pipeline.c
+++ b/src/broadcom/vulkan/v3dv_pipeline.c
@@ -1995,9 +1995,8 @@ pipeline_compile_graphics(struct v3dv_pipeline *pipeline,
 
    /* Add a no-op fragment shader if needed */
    if (!pipeline->fs) {
-      nir_builder b;
-      nir_builder_init_simple_shader(&b, NULL, MESA_SHADER_FRAGMENT,
-                                     &v3dv_nir_options);
+      nir_builder b = nir_builder_init_simple_shader(NULL, MESA_SHADER_FRAGMENT,
+                                                     &v3dv_nir_options);
       b.shader->info.name = ralloc_strdup(b.shader, "noop_fs");
 
       struct v3dv_pipeline_stage *p_stage =
diff --git a/src/compiler/nir/nir_builder.h b/src/compiler/nir/nir_builder.h
index 6161931b040..94cca4c172b 100644
--- a/src/compiler/nir/nir_builder.h
+++ b/src/compiler/nir/nir_builder.h
@@ -53,18 +53,22 @@ nir_builder_init(nir_builder *build, nir_function_impl *impl)
    build->shader = impl->function->shader;
 }
 
-static inline void
-nir_builder_init_simple_shader(nir_builder *build, void *mem_ctx,
+static inline nir_builder MUST_CHECK
+nir_builder_init_simple_shader(void *mem_ctx,
                                gl_shader_stage stage,
                                const nir_shader_compiler_options *options)
 {
-   memset(build, 0, sizeof(*build));
-   build->shader = nir_shader_create(mem_ctx, stage, options, NULL);
-   nir_function *func = nir_function_create(build->shader, "main");
+   nir_builder b;
+
+   memset(&b, 0, sizeof(b));
+   b.shader = nir_shader_create(mem_ctx, stage, options, NULL);
+   nir_function *func = nir_function_create(b.shader, "main");
    func->is_entrypoint = true;
-   build->exact = false;
-   build->impl = nir_function_impl_create(func);
-   build->cursor = nir_after_cf_list(&build->impl->body);
+   b.exact = false;
+   b.impl = nir_function_impl_create(func);
+   b.cursor = nir_after_cf_list(&b.impl->body);
+
+   return b;
 }
 
 typedef bool (*nir_instr_pass_cb)(struct nir_builder *, nir_instr *, void *);
diff --git a/src/compiler/nir/tests/builder_tests.cpp b/src/compiler/nir/tests/builder_tests.cpp
index 40f8bee8684..037b61d4c05 100644
--- a/src/compiler/nir/tests/builder_tests.cpp
+++ b/src/compiler/nir/tests/builder_tests.cpp
@@ -81,7 +81,7 @@ nir_builder_test::nir_builder_test()
    lin_ctx = linear_alloc_parent(mem_ctx, 0);
    static const nir_shader_compiler_options options = { };
    b = rzalloc(mem_ctx, nir_builder);
-   nir_builder_init_simple_shader(b, mem_ctx, MESA_SHADER_COMPUTE, &options);
+   *b = nir_builder_init_simple_shader(mem_ctx, MESA_SHADER_COMPUTE, &options);
 }
 
 nir_builder_test::~nir_builder_test()
diff --git a/src/compiler/nir/tests/comparison_pre_tests.cpp b/src/compiler/nir/tests/comparison_pre_tests.cpp
index b501b30da4a..2573be416ed 100644
--- a/src/compiler/nir/tests/comparison_pre_tests.cpp
+++ b/src/compiler/nir/tests/comparison_pre_tests.cpp
@@ -31,7 +31,7 @@ protected:
       glsl_type_singleton_init_or_ref();
 
       static const nir_shader_compiler_options options = { };
-      nir_builder_init_simple_shader(&bld, NULL, MESA_SHADER_VERTEX, &options);
+      bld = nir_builder_init_simple_shader(NULL, MESA_SHADER_VERTEX, &options);
 
       v1 = nir_imm_vec4(&bld, -2.0, -1.0,  1.0,  2.0);
       v2 = nir_imm_vec4(&bld,  2.0,  1.0, -1.0, -2.0);
diff --git a/src/compiler/nir/tests/control_flow_tests.cpp b/src/compiler/nir/tests/control_flow_tests.cpp
index 0e38bd0b58b..089f81b1dcd 100644
--- a/src/compiler/nir/tests/control_flow_tests.cpp
+++ b/src/compiler/nir/tests/control_flow_tests.cpp
@@ -37,7 +37,7 @@ nir_cf_test::nir_cf_test()
    glsl_type_singleton_init_or_ref();
 
    static const nir_shader_compiler_options options = { };
-   nir_builder_init_simple_shader(&b, NULL, MESA_SHADER_VERTEX, &options);
+   b = nir_builder_init_simple_shader(NULL, MESA_SHADER_VERTEX, &options);
 }
 
 nir_cf_test::~nir_cf_test()
diff --git a/src/compiler/nir/tests/load_store_vectorizer_tests.cpp b/src/compiler/nir/tests/load_store_vectorizer_tests.cpp
index 134b95fa915..b16b630e864 100644
--- a/src/compiler/nir/tests/load_store_vectorizer_tests.cpp
+++ b/src/compiler/nir/tests/load_store_vectorizer_tests.cpp
@@ -93,7 +93,7 @@ nir_load_store_vectorize_test::nir_load_store_vectorize_test()
    mem_ctx = ralloc_context(NULL);
    static const nir_shader_compiler_options options = { };
    b = rzalloc(mem_ctx, nir_builder);
-   nir_builder_init_simple_shader(b, mem_ctx, MESA_SHADER_COMPUTE, &options);
+   *b = nir_builder_init_simple_shader(mem_ctx, MESA_SHADER_COMPUTE, &options);
 }
 
 nir_load_store_vectorize_test::~nir_load_store_vectorize_test()
diff --git a/src/compiler/nir/tests/lower_returns_tests.cpp b/src/compiler/nir/tests/lower_returns_tests.cpp
index 022ebc32239..dc8733a6442 100644
--- a/src/compiler/nir/tests/lower_returns_tests.cpp
+++ b/src/compiler/nir/tests/lower_returns_tests.cpp
@@ -39,7 +39,7 @@ nir_opt_lower_returns_test::nir_opt_lower_returns_test()
    glsl_type_singleton_init_or_ref();
 
    static const nir_shader_compiler_options options = { };
-   nir_builder_init_simple_shader(&bld, NULL, MESA_SHADER_VERTEX, &options);
+   bld = nir_builder_init_simple_shader(NULL, MESA_SHADER_VERTEX, &options);
 
    nir_variable *var = nir_variable_create(bld.shader, nir_var_shader_in, glsl_int_type(), "in");
    in_def = nir_load_var(&bld, var);
diff --git a/src/compiler/nir/tests/negative_equal_tests.cpp b/src/compiler/nir/tests/negative_equal_tests.cpp
index f83041a4fbf..3c8745ef255 100644
--- a/src/compiler/nir/tests/negative_equal_tests.cpp
+++ b/src/compiler/nir/tests/negative_equal_tests.cpp
@@ -57,7 +57,7 @@ protected:
       glsl_type_singleton_init_or_ref();
 
       static const nir_shader_compiler_options options = { };
-      nir_builder_init_simple_shader(&bld, NULL, MESA_SHADER_VERTEX, &options);
+      bld = nir_builder_init_simple_shader(NULL, MESA_SHADER_VERTEX, &options);
       memset(c1, 0, sizeof(c1));
       memset(c2, 0, sizeof(c2));
    }
diff --git a/src/compiler/nir/tests/opt_if_tests.cpp b/src/compiler/nir/tests/opt_if_tests.cpp
index a1646241045..e728471156c 100644
--- a/src/compiler/nir/tests/opt_if_tests.cpp
+++ b/src/compiler/nir/tests/opt_if_tests.cpp
@@ -40,7 +40,7 @@ nir_opt_if_test::nir_opt_if_test()
    glsl_type_singleton_init_or_ref();
 
    static const nir_shader_compiler_options options = { };
-   nir_builder_init_simple_shader(&bld, NULL, MESA_SHADER_VERTEX, &options);
+   bld = nir_builder_init_simple_shader(NULL, MESA_SHADER_VERTEX, &options);
 
    nir_variable *var = nir_variable_create(bld.shader, nir_var_shader_in, glsl_int_type(), "in");
    in_def = nir_load_var(&bld, var);
diff --git a/src/compiler/nir/tests/serialize_tests.cpp b/src/compiler/nir/tests/serialize_tests.cpp
index f10646a6a47..327e5ec61d0 100644
--- a/src/compiler/nir/tests/serialize_tests.cpp
+++ b/src/compiler/nir/tests/serialize_tests.cpp
@@ -52,7 +52,7 @@ nir_serialize_test::nir_serialize_test()
    mem_ctx = ralloc_context(NULL);
 
    b = rzalloc(mem_ctx, nir_builder);
-   nir_builder_init_simple_shader(b, mem_ctx, MESA_SHADER_COMPUTE, &options);
+   *b = nir_builder_init_simple_shader(mem_ctx, MESA_SHADER_COMPUTE, &options);
 }
 
 nir_serialize_test::~nir_serialize_test()
diff --git a/src/compiler/nir/tests/vars_tests.cpp b/src/compiler/nir/tests/vars_tests.cpp
index 6d27830cd55..1580b5dc493 100644
--- a/src/compiler/nir/tests/vars_tests.cpp
+++ b/src/compiler/nir/tests/vars_tests.cpp
@@ -106,7 +106,7 @@ nir_vars_test::nir_vars_test()
    lin_ctx = linear_alloc_parent(mem_ctx, 0);
    static const nir_shader_compiler_options options = { };
    b = rzalloc(mem_ctx, nir_builder);
-   nir_builder_init_simple_shader(b, mem_ctx, MESA_SHADER_COMPUTE, &options);
+   *b = nir_builder_init_simple_shader(mem_ctx, MESA_SHADER_COMPUTE, &options);
 }
 
 nir_vars_test::~nir_vars_test()
diff --git a/src/freedreno/vulkan/tu_pipeline.c b/src/freedreno/vulkan/tu_pipeline.c
index 5b6ba00e710..54c0be0d985 100644
--- a/src/freedreno/vulkan/tu_pipeline.c
+++ b/src/freedreno/vulkan/tu_pipeline.c
@@ -2058,9 +2058,9 @@ tu_pipeline_builder_compile_shaders(struct tu_pipeline_builder *builder,
    if (!nir[MESA_SHADER_FRAGMENT]) {
          const nir_shader_compiler_options *nir_options =
             ir3_get_compiler_options(builder->device->compiler);
-         nir_builder fs_b;
-         nir_builder_init_simple_shader(&fs_b, NULL, MESA_SHADER_FRAGMENT,
-                                        nir_options);
+         nir_builder fs_b = nir_builder_init_simple_shader(NULL,
+                                                           MESA_SHADER_FRAGMENT,
+                                                           nir_options);
          fs_b.shader->info.name = ralloc_strdup(fs_b.shader, "noop_fs");
          nir[MESA_SHADER_FRAGMENT] = fs_b.shader;
    }
diff --git a/src/gallium/auxiliary/nir/tgsi_to_nir.c b/src/gallium/auxiliary/nir/tgsi_to_nir.c
index 06f69955311..233ffcf7645 100644
--- a/src/gallium/auxiliary/nir/tgsi_to_nir.c
+++ b/src/gallium/auxiliary/nir/tgsi_to_nir.c
@@ -2299,9 +2299,9 @@ ttn_compile_init(const void *tgsi_tokens,
          screen->get_compiler_options(screen, PIPE_SHADER_IR_NIR, scan.processor);
    }
 
-   nir_builder_init_simple_shader(&c->build, NULL,
-                                  tgsi_processor_to_shader_stage(scan.processor),
-                                  options);
+   c->build = nir_builder_init_simple_shader(NULL,
+                                             tgsi_processor_to_shader_stage(scan.processor),
+                                             options);
 
    s = c->build.shader;
 
diff --git a/src/gallium/drivers/vc4/vc4_blit.c b/src/gallium/drivers/vc4/vc4_blit.c
index bf5a10bfbd1..f109628e2da 100644
--- a/src/gallium/drivers/vc4/vc4_blit.c
+++ b/src/gallium/drivers/vc4/vc4_blit.c
@@ -199,8 +199,7 @@ static void *vc4_get_yuv_vs(struct pipe_context *pctx)
                                          PIPE_SHADER_IR_NIR,
                                          PIPE_SHADER_VERTEX);
 
-   nir_builder b;
-   nir_builder_init_simple_shader(&b, NULL, MESA_SHADER_VERTEX, options);
+   nir_builder b = nir_builder_init_simple_shader(NULL, MESA_SHADER_VERTEX, options);
    b.shader->info.name = ralloc_strdup(b.shader, "linear_blit_vs");
 
    const struct glsl_type *vec4 = glsl_vec4_type();
@@ -246,8 +245,8 @@ static void *vc4_get_yuv_fs(struct pipe_context *pctx, int cpp)
                                          PIPE_SHADER_IR_NIR,
                                          PIPE_SHADER_FRAGMENT);
 
-   nir_builder b;
-   nir_builder_init_simple_shader(&b, NULL, MESA_SHADER_FRAGMENT, options);
+   nir_builder b = nir_builder_init_simple_shader(NULL, MESA_SHADER_FRAGMENT,
+                                                  options);
    b.shader->info.name = ralloc_strdup(b.shader, name);
 
    const struct glsl_type *vec4 = glsl_vec4_type();
diff --git a/src/gallium/frontends/lavapipe/lvp_pipeline.c b/src/gallium/frontends/lavapipe/lvp_pipeline.c
index fb9a8918a4b..60c209e8443 100644
--- a/src/gallium/frontends/lavapipe/lvp_pipeline.c
+++ b/src/gallium/frontends/lavapipe/lvp_pipeline.c
@@ -789,9 +789,7 @@ lvp_graphics_pipeline_init(struct lvp_pipeline *pipeline,
 
    if (has_fragment_shader == false) {
       /* create a dummy fragment shader for this pipeline. */
-      nir_builder b;
-
-      nir_builder_init_simple_shader(&b, NULL, MESA_SHADER_FRAGMENT, NULL);
+      nir_builder b = nir_builder_init_simple_shader(NULL, MESA_SHADER_FRAGMENT, NULL);
       b.shader->info.name = ralloc_strdup(b.shader, "dummy_frag");
 
       pipeline->pipeline_nir[MESA_SHADER_FRAGMENT] = b.shader;
diff --git a/src/intel/blorp/blorp_nir_builder.h b/src/intel/blorp/blorp_nir_builder.h
index 328f4711c1d..aa729607cca 100644
--- a/src/intel/blorp/blorp_nir_builder.h
+++ b/src/intel/blorp/blorp_nir_builder.h
@@ -29,7 +29,7 @@ blorp_nir_init_shader(nir_builder *b,
                       gl_shader_stage stage,
                       const char *name)
 {
-   nir_builder_init_simple_shader(b, mem_ctx, stage, NULL);
+   *b = nir_builder_init_simple_shader(mem_ctx, stage, NULL);
    if (name != NULL)
       b->shader->info.name = ralloc_strdup(b->shader, name);
    if (stage == MESA_SHADER_FRAGMENT)
diff --git a/src/intel/compiler/brw_nir.c b/src/intel/compiler/brw_nir.c
index 8c45f762c13..b245a36b03c 100644
--- a/src/intel/compiler/brw_nir.c
+++ b/src/intel/compiler/brw_nir.c
@@ -1475,9 +1475,8 @@ brw_nir_create_passthrough_tcs(void *mem_ctx, const struct brw_compiler *compile
                                const nir_shader_compiler_options *options,
                                const struct brw_tcs_prog_key *key)
 {
-   nir_builder b;
-   nir_builder_init_simple_shader(&b, mem_ctx, MESA_SHADER_TESS_CTRL,
-                                  options);
+   nir_builder b = nir_builder_init_simple_shader(mem_ctx, MESA_SHADER_TESS_CTRL,
+                                                  options);
    nir_shader *nir = b.shader;
    nir_variable *var;
    nir_intrinsic_instr *load;
diff --git a/src/mesa/program/prog_to_nir.c b/src/mesa/program/prog_to_nir.c
index 53baa141920..8c3b4e8670c 100644
--- a/src/mesa/program/prog_to_nir.c
+++ b/src/mesa/program/prog_to_nir.c
@@ -969,7 +969,7 @@ prog_to_nir(const struct gl_program *prog,
       return NULL;
    c->prog = prog;
 
-   nir_builder_init_simple_shader(&c->build, NULL, stage, options);
+   c->build = nir_builder_init_simple_shader(NULL, stage, options);
 
    /* Copy the shader_info from the gl_program */
    c->build.shader->info = prog->info;
diff --git a/src/mesa/state_tracker/st_cb_drawpixels.c b/src/mesa/state_tracker/st_cb_drawpixels.c
index 4b8242c770e..50ad3fb198e 100644
--- a/src/mesa/state_tracker/st_cb_drawpixels.c
+++ b/src/mesa/state_tracker/st_cb_drawpixels.c
@@ -148,11 +148,10 @@ make_drawpix_z_stencil_program_nir(struct st_context *st,
                                    bool write_depth,
                                    bool write_stencil)
 {
-   struct nir_builder b;
    const nir_shader_compiler_options *options =
       st_get_nir_compiler_options(st, MESA_SHADER_FRAGMENT);
 
-   nir_builder_init_simple_shader(&b, NULL, MESA_SHADER_FRAGMENT, options);
+   nir_builder b = nir_builder_init_simple_shader(NULL, MESA_SHADER_FRAGMENT, options);
 
    nir_variable *texcoord =
       nir_variable_create(b.shader, nir_var_shader_in, glsl_vec_type(2),
@@ -202,11 +201,10 @@ static void *
 make_drawpix_zs_to_color_program_nir(struct st_context *st,
                                    bool rgba)
 {
-   struct nir_builder b;
    const nir_shader_compiler_options *options =
       st_get_nir_compiler_options(st, MESA_SHADER_FRAGMENT);
 
-   nir_builder_init_simple_shader(&b, NULL, MESA_SHADER_FRAGMENT, options);
+   nir_builder b = nir_builder_init_simple_shader(NULL, MESA_SHADER_FRAGMENT, options);
 
    nir_variable *texcoord =
       nir_variable_create(b.shader, nir_var_shader_in, glsl_vec_type(2),
diff --git a/src/mesa/state_tracker/st_nir_builtins.c b/src/mesa/state_tracker/st_nir_builtins.c
index b71edc6629a..e1b2f8aab6d 100644
--- a/src/mesa/state_tracker/st_nir_builtins.c
+++ b/src/mesa/state_tracker/st_nir_builtins.c
@@ -113,12 +113,11 @@ st_nir_make_passthrough_shader(struct st_context *st,
                                unsigned *interpolation_modes,
                                unsigned sysval_mask)
 {
-   struct nir_builder b;
    const struct glsl_type *vec4 = glsl_vec4_type();
    const nir_shader_compiler_options *options =
       st_get_nir_compiler_options(st, stage);
 
-   nir_builder_init_simple_shader(&b, NULL, stage, options);
+   nir_builder b = nir_builder_init_simple_shader(NULL, stage, options);
 
    char var_name[15];
 
diff --git a/src/mesa/state_tracker/st_pbo.c b/src/mesa/state_tracker/st_pbo.c
index 2d86c359f7a..ccc8a5415ff 100644
--- a/src/mesa/state_tracker/st_pbo.c
+++ b/src/mesa/state_tracker/st_pbo.c
@@ -296,8 +296,7 @@ st_pbo_create_vs(struct st_context *st)
    const nir_shader_compiler_options *options =
       st_get_nir_compiler_options(st, MESA_SHADER_VERTEX);
 
-   nir_builder b;
-   nir_builder_init_simple_shader(&b, NULL, MESA_SHADER_VERTEX, options);
+   nir_builder b = nir_builder_init_simple_shader(NULL, MESA_SHADER_VERTEX, options);
 
    nir_variable *in_pos = nir_variable_create(b.shader, nir_var_shader_in,
                                               vec4, "in_pos");
@@ -406,13 +405,12 @@ create_fs(struct st_context *st, bool download,
           enum st_pbo_conversion conversion)
 {
    struct pipe_screen *screen = st->pipe->screen;
-   struct nir_builder b;
    const nir_shader_compiler_options *options =
       st_get_nir_compiler_options(st, MESA_SHADER_FRAGMENT);
    bool pos_is_sysval =
       screen->get_param(screen, PIPE_CAP_TGSI_FS_POSITION_IS_SYSVAL);
 
-   nir_builder_init_simple_shader(&b, NULL, MESA_SHADER_FRAGMENT, options);
+   nir_builder b = nir_builder_init_simple_shader(NULL, MESA_SHADER_FRAGMENT, options);
 
    nir_ssa_def *zero = nir_imm_int(&b, 0);
 
diff --git a/src/panfrost/lib/pan_blit.c b/src/panfrost/lib/pan_blit.c
index bfac3b4be8b..332fe8f53d2 100644
--- a/src/panfrost/lib/pan_blit.c
+++ b/src/panfrost/lib/pan_blit.c
@@ -52,8 +52,7 @@ panfrost_build_blit_shader(struct panfrost_device *dev,
 {
         bool is_colour = loc >= FRAG_RESULT_DATA0;
 
-        nir_builder _b;
-        nir_builder_init_simple_shader(&_b, NULL, MESA_SHADER_FRAGMENT, &midgard_nir_options);
+        nir_builder _b = nir_builder_init_simple_shader(NULL, MESA_SHADER_FRAGMENT, &midgard_nir_options);
         nir_builder *b = &_b;
         nir_shader *shader = b->shader;
 



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