|  | // Copyright 2021 The Tint Authors. | 
|  | // | 
|  | // Licensed under the Apache License, Version 2.0 (the "License"); | 
|  | // you may not use this file except in compliance with the License. | 
|  | // You may obtain a copy of the License at | 
|  | // | 
|  | //     http://www.apache.org/licenses/LICENSE-2.0 | 
|  | // | 
|  | // Unless required by applicable law or agreed to in writing, software | 
|  | // distributed under the License is distributed on an "AS IS" BASIS, | 
|  | // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | 
|  | // See the License for the specific language governing permissions and | 
|  | // limitations under the License. | 
|  |  | 
|  | #include "src/transform/decompose_storage_access.h" | 
|  |  | 
|  | #include "src/transform/test_helper.h" | 
|  |  | 
|  | namespace tint { | 
|  | namespace transform { | 
|  | namespace { | 
|  |  | 
|  | using DecomposeStorageAccessTest = TransformTest; | 
|  |  | 
|  | TEST_F(DecomposeStorageAccessTest, BasicLoad) { | 
|  | auto* src = R"( | 
|  | [[block]] | 
|  | struct SB { | 
|  | a : i32; | 
|  | b : u32; | 
|  | c : f32; | 
|  | d : vec2<i32>; | 
|  | e : vec2<u32>; | 
|  | f : vec2<f32>; | 
|  | g : vec3<i32>; | 
|  | h : vec3<u32>; | 
|  | i : vec3<f32>; | 
|  | j : vec4<i32>; | 
|  | k : vec4<u32>; | 
|  | l : vec4<f32>; | 
|  | m : mat2x2<f32>; | 
|  | n : mat2x3<f32>; | 
|  | o : mat2x4<f32>; | 
|  | p : mat3x2<f32>; | 
|  | q : mat3x3<f32>; | 
|  | r : mat3x4<f32>; | 
|  | s : mat4x2<f32>; | 
|  | t : mat4x3<f32>; | 
|  | u : mat4x4<f32>; | 
|  | v : array<vec3<f32>, 2>; | 
|  | }; | 
|  |  | 
|  | var<storage> sb : [[access(read_write)]] SB; | 
|  |  | 
|  | [[stage(compute)]] | 
|  | fn main() { | 
|  | var a : i32 = sb.a; | 
|  | var b : u32 = sb.b; | 
|  | var c : f32 = sb.c; | 
|  | var d : vec2<i32> = sb.d; | 
|  | var e : vec2<u32> = sb.e; | 
|  | var f : vec2<f32> = sb.f; | 
|  | var g : vec3<i32> = sb.g; | 
|  | var h : vec3<u32> = sb.h; | 
|  | var i : vec3<f32> = sb.i; | 
|  | var j : vec4<i32> = sb.j; | 
|  | var k : vec4<u32> = sb.k; | 
|  | var l : vec4<f32> = sb.l; | 
|  | var m : mat2x2<f32> = sb.m; | 
|  | var n : mat2x3<f32> = sb.n; | 
|  | var o : mat2x4<f32> = sb.o; | 
|  | var p : mat3x2<f32> = sb.p; | 
|  | var q : mat3x3<f32> = sb.q; | 
|  | var r : mat3x4<f32> = sb.r; | 
|  | var s : mat4x2<f32> = sb.s; | 
|  | var t : mat4x3<f32> = sb.t; | 
|  | var u : mat4x4<f32> = sb.u; | 
|  | var v : array<vec3<f32>, 2> = sb.v; | 
|  | } | 
|  | )"; | 
|  |  | 
|  | auto* expect = R"( | 
|  | [[block]] | 
|  | struct SB { | 
|  | a : i32; | 
|  | b : u32; | 
|  | c : f32; | 
|  | d : vec2<i32>; | 
|  | e : vec2<u32>; | 
|  | f : vec2<f32>; | 
|  | g : vec3<i32>; | 
|  | h : vec3<u32>; | 
|  | i : vec3<f32>; | 
|  | j : vec4<i32>; | 
|  | k : vec4<u32>; | 
|  | l : vec4<f32>; | 
|  | m : mat2x2<f32>; | 
|  | n : mat2x3<f32>; | 
|  | o : mat2x4<f32>; | 
|  | p : mat3x2<f32>; | 
|  | q : mat3x3<f32>; | 
|  | r : mat3x4<f32>; | 
|  | s : mat4x2<f32>; | 
|  | t : mat4x3<f32>; | 
|  | u : mat4x4<f32>; | 
|  | v : array<vec3<f32>, 2>; | 
|  | }; | 
|  |  | 
|  | [[internal(intrinsic_load_i32)]] | 
|  | fn tint_symbol(buffer : [[access(read_write)]] SB, offset : u32) -> i32 | 
|  |  | 
|  | [[internal(intrinsic_load_u32)]] | 
|  | fn tint_symbol_1(buffer : [[access(read_write)]] SB, offset : u32) -> u32 | 
|  |  | 
|  | [[internal(intrinsic_load_f32)]] | 
|  | fn tint_symbol_2(buffer : [[access(read_write)]] SB, offset : u32) -> f32 | 
|  |  | 
|  | [[internal(intrinsic_load_vec2_i32)]] | 
|  | fn tint_symbol_3(buffer : [[access(read_write)]] SB, offset : u32) -> vec2<i32> | 
|  |  | 
|  | [[internal(intrinsic_load_vec2_u32)]] | 
|  | fn tint_symbol_4(buffer : [[access(read_write)]] SB, offset : u32) -> vec2<u32> | 
|  |  | 
|  | [[internal(intrinsic_load_vec2_f32)]] | 
|  | fn tint_symbol_5(buffer : [[access(read_write)]] SB, offset : u32) -> vec2<f32> | 
|  |  | 
|  | [[internal(intrinsic_load_vec3_i32)]] | 
|  | fn tint_symbol_6(buffer : [[access(read_write)]] SB, offset : u32) -> vec3<i32> | 
|  |  | 
|  | [[internal(intrinsic_load_vec3_u32)]] | 
|  | fn tint_symbol_7(buffer : [[access(read_write)]] SB, offset : u32) -> vec3<u32> | 
|  |  | 
|  | [[internal(intrinsic_load_vec3_f32)]] | 
|  | fn tint_symbol_8(buffer : [[access(read_write)]] SB, offset : u32) -> vec3<f32> | 
|  |  | 
|  | [[internal(intrinsic_load_vec4_i32)]] | 
|  | fn tint_symbol_9(buffer : [[access(read_write)]] SB, offset : u32) -> vec4<i32> | 
|  |  | 
|  | [[internal(intrinsic_load_vec4_u32)]] | 
|  | fn tint_symbol_10(buffer : [[access(read_write)]] SB, offset : u32) -> vec4<u32> | 
|  |  | 
|  | [[internal(intrinsic_load_vec4_f32)]] | 
|  | fn tint_symbol_11(buffer : [[access(read_write)]] SB, offset : u32) -> vec4<f32> | 
|  |  | 
|  | [[internal(intrinsic_load_vec2_f32)]] | 
|  | fn tint_symbol_12(buffer : [[access(read_write)]] SB, offset : u32) -> vec2<f32> | 
|  |  | 
|  | fn tint_symbol_13(buffer : [[access(read_write)]] SB, offset : u32) -> mat2x2<f32> { | 
|  | return mat2x2<f32>(tint_symbol_12(buffer, (offset + 0u)), tint_symbol_12(buffer, (offset + 8u))); | 
|  | } | 
|  |  | 
|  | [[internal(intrinsic_load_vec3_f32)]] | 
|  | fn tint_symbol_14(buffer : [[access(read_write)]] SB, offset : u32) -> vec3<f32> | 
|  |  | 
|  | fn tint_symbol_15(buffer : [[access(read_write)]] SB, offset : u32) -> mat2x3<f32> { | 
|  | return mat2x3<f32>(tint_symbol_14(buffer, (offset + 0u)), tint_symbol_14(buffer, (offset + 16u))); | 
|  | } | 
|  |  | 
|  | [[internal(intrinsic_load_vec4_f32)]] | 
|  | fn tint_symbol_16(buffer : [[access(read_write)]] SB, offset : u32) -> vec4<f32> | 
|  |  | 
|  | fn tint_symbol_17(buffer : [[access(read_write)]] SB, offset : u32) -> mat2x4<f32> { | 
|  | return mat2x4<f32>(tint_symbol_16(buffer, (offset + 0u)), tint_symbol_16(buffer, (offset + 16u))); | 
|  | } | 
|  |  | 
|  | fn tint_symbol_18(buffer : [[access(read_write)]] SB, offset : u32) -> mat3x2<f32> { | 
|  | return mat3x2<f32>(tint_symbol_12(buffer, (offset + 0u)), tint_symbol_12(buffer, (offset + 8u)), tint_symbol_12(buffer, (offset + 16u))); | 
|  | } | 
|  |  | 
|  | fn tint_symbol_19(buffer : [[access(read_write)]] SB, offset : u32) -> mat3x3<f32> { | 
|  | return mat3x3<f32>(tint_symbol_14(buffer, (offset + 0u)), tint_symbol_14(buffer, (offset + 16u)), tint_symbol_14(buffer, (offset + 32u))); | 
|  | } | 
|  |  | 
|  | fn tint_symbol_20(buffer : [[access(read_write)]] SB, offset : u32) -> mat3x4<f32> { | 
|  | return mat3x4<f32>(tint_symbol_16(buffer, (offset + 0u)), tint_symbol_16(buffer, (offset + 16u)), tint_symbol_16(buffer, (offset + 32u))); | 
|  | } | 
|  |  | 
|  | fn tint_symbol_21(buffer : [[access(read_write)]] SB, offset : u32) -> mat4x2<f32> { | 
|  | return mat4x2<f32>(tint_symbol_12(buffer, (offset + 0u)), tint_symbol_12(buffer, (offset + 8u)), tint_symbol_12(buffer, (offset + 16u)), tint_symbol_12(buffer, (offset + 24u))); | 
|  | } | 
|  |  | 
|  | fn tint_symbol_22(buffer : [[access(read_write)]] SB, offset : u32) -> mat4x3<f32> { | 
|  | return mat4x3<f32>(tint_symbol_14(buffer, (offset + 0u)), tint_symbol_14(buffer, (offset + 16u)), tint_symbol_14(buffer, (offset + 32u)), tint_symbol_14(buffer, (offset + 48u))); | 
|  | } | 
|  |  | 
|  | fn tint_symbol_23(buffer : [[access(read_write)]] SB, offset : u32) -> mat4x4<f32> { | 
|  | return mat4x4<f32>(tint_symbol_16(buffer, (offset + 0u)), tint_symbol_16(buffer, (offset + 16u)), tint_symbol_16(buffer, (offset + 32u)), tint_symbol_16(buffer, (offset + 48u))); | 
|  | } | 
|  |  | 
|  | fn tint_symbol_24(buffer : [[access(read_write)]] SB, offset : u32) -> array<vec3<f32>, 2> { | 
|  | return array<vec3<f32>, 2>(tint_symbol_8(buffer, (offset + 0u)), tint_symbol_8(buffer, (offset + 16u))); | 
|  | } | 
|  |  | 
|  | var<storage> sb : [[access(read_write)]] SB; | 
|  |  | 
|  | [[stage(compute)]] | 
|  | fn main() { | 
|  | var a : i32 = tint_symbol(sb, 0u); | 
|  | var b : u32 = tint_symbol_1(sb, 4u); | 
|  | var c : f32 = tint_symbol_2(sb, 8u); | 
|  | var d : vec2<i32> = tint_symbol_3(sb, 16u); | 
|  | var e : vec2<u32> = tint_symbol_4(sb, 24u); | 
|  | var f : vec2<f32> = tint_symbol_5(sb, 32u); | 
|  | var g : vec3<i32> = tint_symbol_6(sb, 48u); | 
|  | var h : vec3<u32> = tint_symbol_7(sb, 64u); | 
|  | var i : vec3<f32> = tint_symbol_8(sb, 80u); | 
|  | var j : vec4<i32> = tint_symbol_9(sb, 96u); | 
|  | var k : vec4<u32> = tint_symbol_10(sb, 112u); | 
|  | var l : vec4<f32> = tint_symbol_11(sb, 128u); | 
|  | var m : mat2x2<f32> = tint_symbol_13(sb, 144u); | 
|  | var n : mat2x3<f32> = tint_symbol_15(sb, 160u); | 
|  | var o : mat2x4<f32> = tint_symbol_17(sb, 192u); | 
|  | var p : mat3x2<f32> = tint_symbol_18(sb, 224u); | 
|  | var q : mat3x3<f32> = tint_symbol_19(sb, 256u); | 
|  | var r : mat3x4<f32> = tint_symbol_20(sb, 304u); | 
|  | var s : mat4x2<f32> = tint_symbol_21(sb, 352u); | 
|  | var t : mat4x3<f32> = tint_symbol_22(sb, 384u); | 
|  | var u : mat4x4<f32> = tint_symbol_23(sb, 448u); | 
|  | var v : array<vec3<f32>, 2> = tint_symbol_24(sb, 512u); | 
|  | } | 
|  | )"; | 
|  |  | 
|  | auto got = Run<DecomposeStorageAccess>(src); | 
|  |  | 
|  | EXPECT_EQ(expect, str(got)); | 
|  | } | 
|  |  | 
|  | TEST_F(DecomposeStorageAccessTest, BasicStore) { | 
|  | auto* src = R"( | 
|  | [[block]] | 
|  | struct SB { | 
|  | a : i32; | 
|  | b : u32; | 
|  | c : f32; | 
|  | d : vec2<i32>; | 
|  | e : vec2<u32>; | 
|  | f : vec2<f32>; | 
|  | g : vec3<i32>; | 
|  | h : vec3<u32>; | 
|  | i : vec3<f32>; | 
|  | j : vec4<i32>; | 
|  | k : vec4<u32>; | 
|  | l : vec4<f32>; | 
|  | m : mat2x2<f32>; | 
|  | n : mat2x3<f32>; | 
|  | o : mat2x4<f32>; | 
|  | p : mat3x2<f32>; | 
|  | q : mat3x3<f32>; | 
|  | r : mat3x4<f32>; | 
|  | s : mat4x2<f32>; | 
|  | t : mat4x3<f32>; | 
|  | u : mat4x4<f32>; | 
|  | v : array<vec3<f32>, 2>; | 
|  | }; | 
|  |  | 
|  | var<storage> sb : [[access(read_write)]] SB; | 
|  |  | 
|  | [[stage(compute)]] | 
|  | fn main() { | 
|  | sb.a = i32(); | 
|  | sb.b = u32(); | 
|  | sb.c = f32(); | 
|  | sb.d = vec2<i32>(); | 
|  | sb.e = vec2<u32>(); | 
|  | sb.f = vec2<f32>(); | 
|  | sb.g = vec3<i32>(); | 
|  | sb.h = vec3<u32>(); | 
|  | sb.i = vec3<f32>(); | 
|  | sb.j = vec4<i32>(); | 
|  | sb.k = vec4<u32>(); | 
|  | sb.l = vec4<f32>(); | 
|  | sb.m = mat2x2<f32>(); | 
|  | sb.n = mat2x3<f32>(); | 
|  | sb.o = mat2x4<f32>(); | 
|  | sb.p = mat3x2<f32>(); | 
|  | sb.q = mat3x3<f32>(); | 
|  | sb.r = mat3x4<f32>(); | 
|  | sb.s = mat4x2<f32>(); | 
|  | sb.t = mat4x3<f32>(); | 
|  | sb.u = mat4x4<f32>(); | 
|  | sb.v = array<vec3<f32>, 2>(); | 
|  | } | 
|  | )"; | 
|  |  | 
|  | auto* expect = R"( | 
|  | [[block]] | 
|  | struct SB { | 
|  | a : i32; | 
|  | b : u32; | 
|  | c : f32; | 
|  | d : vec2<i32>; | 
|  | e : vec2<u32>; | 
|  | f : vec2<f32>; | 
|  | g : vec3<i32>; | 
|  | h : vec3<u32>; | 
|  | i : vec3<f32>; | 
|  | j : vec4<i32>; | 
|  | k : vec4<u32>; | 
|  | l : vec4<f32>; | 
|  | m : mat2x2<f32>; | 
|  | n : mat2x3<f32>; | 
|  | o : mat2x4<f32>; | 
|  | p : mat3x2<f32>; | 
|  | q : mat3x3<f32>; | 
|  | r : mat3x4<f32>; | 
|  | s : mat4x2<f32>; | 
|  | t : mat4x3<f32>; | 
|  | u : mat4x4<f32>; | 
|  | v : array<vec3<f32>, 2>; | 
|  | }; | 
|  |  | 
|  | [[internal(intrinsic_store_i32)]] | 
|  | fn tint_symbol(buffer : [[access(read_write)]] SB, offset : u32, value : i32) | 
|  |  | 
|  | [[internal(intrinsic_store_u32)]] | 
|  | fn tint_symbol_1(buffer : [[access(read_write)]] SB, offset : u32, value : u32) | 
|  |  | 
|  | [[internal(intrinsic_store_f32)]] | 
|  | fn tint_symbol_2(buffer : [[access(read_write)]] SB, offset : u32, value : f32) | 
|  |  | 
|  | [[internal(intrinsic_store_vec2_u32)]] | 
|  | fn tint_symbol_3(buffer : [[access(read_write)]] SB, offset : u32, value : vec2<i32>) | 
|  |  | 
|  | [[internal(intrinsic_store_vec2_f32)]] | 
|  | fn tint_symbol_4(buffer : [[access(read_write)]] SB, offset : u32, value : vec2<u32>) | 
|  |  | 
|  | [[internal(intrinsic_store_vec2_i32)]] | 
|  | fn tint_symbol_5(buffer : [[access(read_write)]] SB, offset : u32, value : vec2<f32>) | 
|  |  | 
|  | [[internal(intrinsic_store_vec3_u32)]] | 
|  | fn tint_symbol_6(buffer : [[access(read_write)]] SB, offset : u32, value : vec3<i32>) | 
|  |  | 
|  | [[internal(intrinsic_store_vec3_f32)]] | 
|  | fn tint_symbol_7(buffer : [[access(read_write)]] SB, offset : u32, value : vec3<u32>) | 
|  |  | 
|  | [[internal(intrinsic_store_vec3_i32)]] | 
|  | fn tint_symbol_8(buffer : [[access(read_write)]] SB, offset : u32, value : vec3<f32>) | 
|  |  | 
|  | [[internal(intrinsic_store_vec4_u32)]] | 
|  | fn tint_symbol_9(buffer : [[access(read_write)]] SB, offset : u32, value : vec4<i32>) | 
|  |  | 
|  | [[internal(intrinsic_store_vec4_f32)]] | 
|  | fn tint_symbol_10(buffer : [[access(read_write)]] SB, offset : u32, value : vec4<u32>) | 
|  |  | 
|  | [[internal(intrinsic_store_vec4_i32)]] | 
|  | fn tint_symbol_11(buffer : [[access(read_write)]] SB, offset : u32, value : vec4<f32>) | 
|  |  | 
|  | [[internal(intrinsic_store_vec2_i32)]] | 
|  | fn tint_symbol_12(buffer : [[access(read_write)]] SB, offset : u32, value : vec2<f32>) | 
|  |  | 
|  | fn tint_symbol_13(buffer : [[access(read_write)]] SB, offset : u32, value : mat2x2<f32>) { | 
|  | tint_symbol_12(buffer, (offset + 0u), value[0u]); | 
|  | tint_symbol_12(buffer, (offset + 8u), value[1u]); | 
|  | } | 
|  |  | 
|  | [[internal(intrinsic_store_vec3_i32)]] | 
|  | fn tint_symbol_14(buffer : [[access(read_write)]] SB, offset : u32, value : vec3<f32>) | 
|  |  | 
|  | fn tint_symbol_15(buffer : [[access(read_write)]] SB, offset : u32, value : mat2x3<f32>) { | 
|  | tint_symbol_14(buffer, (offset + 0u), value[0u]); | 
|  | tint_symbol_14(buffer, (offset + 16u), value[1u]); | 
|  | } | 
|  |  | 
|  | [[internal(intrinsic_store_vec4_i32)]] | 
|  | fn tint_symbol_16(buffer : [[access(read_write)]] SB, offset : u32, value : vec4<f32>) | 
|  |  | 
|  | fn tint_symbol_17(buffer : [[access(read_write)]] SB, offset : u32, value : mat2x4<f32>) { | 
|  | tint_symbol_16(buffer, (offset + 0u), value[0u]); | 
|  | tint_symbol_16(buffer, (offset + 16u), value[1u]); | 
|  | } | 
|  |  | 
|  | fn tint_symbol_18(buffer : [[access(read_write)]] SB, offset : u32, value : mat3x2<f32>) { | 
|  | tint_symbol_12(buffer, (offset + 0u), value[0u]); | 
|  | tint_symbol_12(buffer, (offset + 8u), value[1u]); | 
|  | tint_symbol_12(buffer, (offset + 16u), value[2u]); | 
|  | } | 
|  |  | 
|  | fn tint_symbol_19(buffer : [[access(read_write)]] SB, offset : u32, value : mat3x3<f32>) { | 
|  | tint_symbol_14(buffer, (offset + 0u), value[0u]); | 
|  | tint_symbol_14(buffer, (offset + 16u), value[1u]); | 
|  | tint_symbol_14(buffer, (offset + 32u), value[2u]); | 
|  | } | 
|  |  | 
|  | fn tint_symbol_20(buffer : [[access(read_write)]] SB, offset : u32, value : mat3x4<f32>) { | 
|  | tint_symbol_16(buffer, (offset + 0u), value[0u]); | 
|  | tint_symbol_16(buffer, (offset + 16u), value[1u]); | 
|  | tint_symbol_16(buffer, (offset + 32u), value[2u]); | 
|  | } | 
|  |  | 
|  | fn tint_symbol_21(buffer : [[access(read_write)]] SB, offset : u32, value : mat4x2<f32>) { | 
|  | tint_symbol_12(buffer, (offset + 0u), value[0u]); | 
|  | tint_symbol_12(buffer, (offset + 8u), value[1u]); | 
|  | tint_symbol_12(buffer, (offset + 16u), value[2u]); | 
|  | tint_symbol_12(buffer, (offset + 24u), value[3u]); | 
|  | } | 
|  |  | 
|  | fn tint_symbol_22(buffer : [[access(read_write)]] SB, offset : u32, value : mat4x3<f32>) { | 
|  | tint_symbol_14(buffer, (offset + 0u), value[0u]); | 
|  | tint_symbol_14(buffer, (offset + 16u), value[1u]); | 
|  | tint_symbol_14(buffer, (offset + 32u), value[2u]); | 
|  | tint_symbol_14(buffer, (offset + 48u), value[3u]); | 
|  | } | 
|  |  | 
|  | fn tint_symbol_23(buffer : [[access(read_write)]] SB, offset : u32, value : mat4x4<f32>) { | 
|  | tint_symbol_16(buffer, (offset + 0u), value[0u]); | 
|  | tint_symbol_16(buffer, (offset + 16u), value[1u]); | 
|  | tint_symbol_16(buffer, (offset + 32u), value[2u]); | 
|  | tint_symbol_16(buffer, (offset + 48u), value[3u]); | 
|  | } | 
|  |  | 
|  | fn tint_symbol_24(buffer : [[access(read_write)]] SB, offset : u32, value : array<vec3<f32>, 2>) { | 
|  | tint_symbol_8(buffer, (offset + 0u), value[0u]); | 
|  | tint_symbol_8(buffer, (offset + 16u), value[1u]); | 
|  | } | 
|  |  | 
|  | var<storage> sb : [[access(read_write)]] SB; | 
|  |  | 
|  | [[stage(compute)]] | 
|  | fn main() { | 
|  | tint_symbol(sb, 0u, i32()); | 
|  | tint_symbol_1(sb, 4u, u32()); | 
|  | tint_symbol_2(sb, 8u, f32()); | 
|  | tint_symbol_3(sb, 16u, vec2<i32>()); | 
|  | tint_symbol_4(sb, 24u, vec2<u32>()); | 
|  | tint_symbol_5(sb, 32u, vec2<f32>()); | 
|  | tint_symbol_6(sb, 48u, vec3<i32>()); | 
|  | tint_symbol_7(sb, 64u, vec3<u32>()); | 
|  | tint_symbol_8(sb, 80u, vec3<f32>()); | 
|  | tint_symbol_9(sb, 96u, vec4<i32>()); | 
|  | tint_symbol_10(sb, 112u, vec4<u32>()); | 
|  | tint_symbol_11(sb, 128u, vec4<f32>()); | 
|  | tint_symbol_13(sb, 144u, mat2x2<f32>()); | 
|  | tint_symbol_15(sb, 160u, mat2x3<f32>()); | 
|  | tint_symbol_17(sb, 192u, mat2x4<f32>()); | 
|  | tint_symbol_18(sb, 224u, mat3x2<f32>()); | 
|  | tint_symbol_19(sb, 256u, mat3x3<f32>()); | 
|  | tint_symbol_20(sb, 304u, mat3x4<f32>()); | 
|  | tint_symbol_21(sb, 352u, mat4x2<f32>()); | 
|  | tint_symbol_22(sb, 384u, mat4x3<f32>()); | 
|  | tint_symbol_23(sb, 448u, mat4x4<f32>()); | 
|  | tint_symbol_24(sb, 512u, array<vec3<f32>, 2>()); | 
|  | } | 
|  | )"; | 
|  |  | 
|  | auto got = Run<DecomposeStorageAccess>(src); | 
|  |  | 
|  | EXPECT_EQ(expect, str(got)); | 
|  | } | 
|  |  | 
|  | TEST_F(DecomposeStorageAccessTest, LoadStructure) { | 
|  | auto* src = R"( | 
|  | [[block]] | 
|  | struct SB { | 
|  | a : i32; | 
|  | b : u32; | 
|  | c : f32; | 
|  | d : vec2<i32>; | 
|  | e : vec2<u32>; | 
|  | f : vec2<f32>; | 
|  | g : vec3<i32>; | 
|  | h : vec3<u32>; | 
|  | i : vec3<f32>; | 
|  | j : vec4<i32>; | 
|  | k : vec4<u32>; | 
|  | l : vec4<f32>; | 
|  | m : mat2x2<f32>; | 
|  | n : mat2x3<f32>; | 
|  | o : mat2x4<f32>; | 
|  | p : mat3x2<f32>; | 
|  | q : mat3x3<f32>; | 
|  | r : mat3x4<f32>; | 
|  | s : mat4x2<f32>; | 
|  | t : mat4x3<f32>; | 
|  | u : mat4x4<f32>; | 
|  | v : array<vec3<f32>, 2>; | 
|  | }; | 
|  |  | 
|  | var<storage> sb : [[access(read_write)]] SB; | 
|  |  | 
|  | [[stage(compute)]] | 
|  | fn main() { | 
|  | var x : SB = sb; | 
|  | } | 
|  | )"; | 
|  |  | 
|  | auto* expect = R"( | 
|  | [[block]] | 
|  | struct SB { | 
|  | a : i32; | 
|  | b : u32; | 
|  | c : f32; | 
|  | d : vec2<i32>; | 
|  | e : vec2<u32>; | 
|  | f : vec2<f32>; | 
|  | g : vec3<i32>; | 
|  | h : vec3<u32>; | 
|  | i : vec3<f32>; | 
|  | j : vec4<i32>; | 
|  | k : vec4<u32>; | 
|  | l : vec4<f32>; | 
|  | m : mat2x2<f32>; | 
|  | n : mat2x3<f32>; | 
|  | o : mat2x4<f32>; | 
|  | p : mat3x2<f32>; | 
|  | q : mat3x3<f32>; | 
|  | r : mat3x4<f32>; | 
|  | s : mat4x2<f32>; | 
|  | t : mat4x3<f32>; | 
|  | u : mat4x4<f32>; | 
|  | v : array<vec3<f32>, 2>; | 
|  | }; | 
|  |  | 
|  | [[internal(intrinsic_load_i32)]] | 
|  | fn tint_symbol(buffer : [[access(read_write)]] SB, offset : u32) -> i32 | 
|  |  | 
|  | [[internal(intrinsic_load_u32)]] | 
|  | fn tint_symbol_1(buffer : [[access(read_write)]] SB, offset : u32) -> u32 | 
|  |  | 
|  | [[internal(intrinsic_load_f32)]] | 
|  | fn tint_symbol_2(buffer : [[access(read_write)]] SB, offset : u32) -> f32 | 
|  |  | 
|  | [[internal(intrinsic_load_vec2_i32)]] | 
|  | fn tint_symbol_3(buffer : [[access(read_write)]] SB, offset : u32) -> vec2<i32> | 
|  |  | 
|  | [[internal(intrinsic_load_vec2_u32)]] | 
|  | fn tint_symbol_4(buffer : [[access(read_write)]] SB, offset : u32) -> vec2<u32> | 
|  |  | 
|  | [[internal(intrinsic_load_vec2_f32)]] | 
|  | fn tint_symbol_5(buffer : [[access(read_write)]] SB, offset : u32) -> vec2<f32> | 
|  |  | 
|  | [[internal(intrinsic_load_vec3_i32)]] | 
|  | fn tint_symbol_6(buffer : [[access(read_write)]] SB, offset : u32) -> vec3<i32> | 
|  |  | 
|  | [[internal(intrinsic_load_vec3_u32)]] | 
|  | fn tint_symbol_7(buffer : [[access(read_write)]] SB, offset : u32) -> vec3<u32> | 
|  |  | 
|  | [[internal(intrinsic_load_vec3_f32)]] | 
|  | fn tint_symbol_8(buffer : [[access(read_write)]] SB, offset : u32) -> vec3<f32> | 
|  |  | 
|  | [[internal(intrinsic_load_vec4_i32)]] | 
|  | fn tint_symbol_9(buffer : [[access(read_write)]] SB, offset : u32) -> vec4<i32> | 
|  |  | 
|  | [[internal(intrinsic_load_vec4_u32)]] | 
|  | fn tint_symbol_10(buffer : [[access(read_write)]] SB, offset : u32) -> vec4<u32> | 
|  |  | 
|  | [[internal(intrinsic_load_vec4_f32)]] | 
|  | fn tint_symbol_11(buffer : [[access(read_write)]] SB, offset : u32) -> vec4<f32> | 
|  |  | 
|  | [[internal(intrinsic_load_vec2_f32)]] | 
|  | fn tint_symbol_12(buffer : [[access(read_write)]] SB, offset : u32) -> vec2<f32> | 
|  |  | 
|  | fn tint_symbol_13(buffer : [[access(read_write)]] SB, offset : u32) -> mat2x2<f32> { | 
|  | return mat2x2<f32>(tint_symbol_12(buffer, (offset + 0u)), tint_symbol_12(buffer, (offset + 8u))); | 
|  | } | 
|  |  | 
|  | [[internal(intrinsic_load_vec3_f32)]] | 
|  | fn tint_symbol_14(buffer : [[access(read_write)]] SB, offset : u32) -> vec3<f32> | 
|  |  | 
|  | fn tint_symbol_15(buffer : [[access(read_write)]] SB, offset : u32) -> mat2x3<f32> { | 
|  | return mat2x3<f32>(tint_symbol_14(buffer, (offset + 0u)), tint_symbol_14(buffer, (offset + 16u))); | 
|  | } | 
|  |  | 
|  | [[internal(intrinsic_load_vec4_f32)]] | 
|  | fn tint_symbol_16(buffer : [[access(read_write)]] SB, offset : u32) -> vec4<f32> | 
|  |  | 
|  | fn tint_symbol_17(buffer : [[access(read_write)]] SB, offset : u32) -> mat2x4<f32> { | 
|  | return mat2x4<f32>(tint_symbol_16(buffer, (offset + 0u)), tint_symbol_16(buffer, (offset + 16u))); | 
|  | } | 
|  |  | 
|  | fn tint_symbol_18(buffer : [[access(read_write)]] SB, offset : u32) -> mat3x2<f32> { | 
|  | return mat3x2<f32>(tint_symbol_12(buffer, (offset + 0u)), tint_symbol_12(buffer, (offset + 8u)), tint_symbol_12(buffer, (offset + 16u))); | 
|  | } | 
|  |  | 
|  | fn tint_symbol_19(buffer : [[access(read_write)]] SB, offset : u32) -> mat3x3<f32> { | 
|  | return mat3x3<f32>(tint_symbol_14(buffer, (offset + 0u)), tint_symbol_14(buffer, (offset + 16u)), tint_symbol_14(buffer, (offset + 32u))); | 
|  | } | 
|  |  | 
|  | fn tint_symbol_20(buffer : [[access(read_write)]] SB, offset : u32) -> mat3x4<f32> { | 
|  | return mat3x4<f32>(tint_symbol_16(buffer, (offset + 0u)), tint_symbol_16(buffer, (offset + 16u)), tint_symbol_16(buffer, (offset + 32u))); | 
|  | } | 
|  |  | 
|  | fn tint_symbol_21(buffer : [[access(read_write)]] SB, offset : u32) -> mat4x2<f32> { | 
|  | return mat4x2<f32>(tint_symbol_12(buffer, (offset + 0u)), tint_symbol_12(buffer, (offset + 8u)), tint_symbol_12(buffer, (offset + 16u)), tint_symbol_12(buffer, (offset + 24u))); | 
|  | } | 
|  |  | 
|  | fn tint_symbol_22(buffer : [[access(read_write)]] SB, offset : u32) -> mat4x3<f32> { | 
|  | return mat4x3<f32>(tint_symbol_14(buffer, (offset + 0u)), tint_symbol_14(buffer, (offset + 16u)), tint_symbol_14(buffer, (offset + 32u)), tint_symbol_14(buffer, (offset + 48u))); | 
|  | } | 
|  |  | 
|  | fn tint_symbol_23(buffer : [[access(read_write)]] SB, offset : u32) -> mat4x4<f32> { | 
|  | return mat4x4<f32>(tint_symbol_16(buffer, (offset + 0u)), tint_symbol_16(buffer, (offset + 16u)), tint_symbol_16(buffer, (offset + 32u)), tint_symbol_16(buffer, (offset + 48u))); | 
|  | } | 
|  |  | 
|  | fn tint_symbol_24(buffer : [[access(read_write)]] SB, offset : u32) -> array<vec3<f32>, 2> { | 
|  | return array<vec3<f32>, 2>(tint_symbol_8(buffer, (offset + 0u)), tint_symbol_8(buffer, (offset + 16u))); | 
|  | } | 
|  |  | 
|  | fn tint_symbol_25(buffer : [[access(read_write)]] SB, offset : u32) -> SB { | 
|  | return SB(tint_symbol(buffer, (offset + 0u)), tint_symbol_1(buffer, (offset + 4u)), tint_symbol_2(buffer, (offset + 8u)), tint_symbol_3(buffer, (offset + 16u)), tint_symbol_4(buffer, (offset + 24u)), tint_symbol_5(buffer, (offset + 32u)), tint_symbol_6(buffer, (offset + 48u)), tint_symbol_7(buffer, (offset + 64u)), tint_symbol_8(buffer, (offset + 80u)), tint_symbol_9(buffer, (offset + 96u)), tint_symbol_10(buffer, (offset + 112u)), tint_symbol_11(buffer, (offset + 128u)), tint_symbol_13(buffer, (offset + 144u)), tint_symbol_15(buffer, (offset + 160u)), tint_symbol_17(buffer, (offset + 192u)), tint_symbol_18(buffer, (offset + 224u)), tint_symbol_19(buffer, (offset + 256u)), tint_symbol_20(buffer, (offset + 304u)), tint_symbol_21(buffer, (offset + 352u)), tint_symbol_22(buffer, (offset + 384u)), tint_symbol_23(buffer, (offset + 448u)), tint_symbol_24(buffer, (offset + 512u))); | 
|  | } | 
|  |  | 
|  | var<storage> sb : [[access(read_write)]] SB; | 
|  |  | 
|  | [[stage(compute)]] | 
|  | fn main() { | 
|  | var x : SB = tint_symbol_25(sb, 0u); | 
|  | } | 
|  | )"; | 
|  |  | 
|  | auto got = Run<DecomposeStorageAccess>(src); | 
|  |  | 
|  | EXPECT_EQ(expect, str(got)); | 
|  | } | 
|  |  | 
|  | TEST_F(DecomposeStorageAccessTest, StoreStructure) { | 
|  | auto* src = R"( | 
|  | [[block]] | 
|  | struct SB { | 
|  | a : i32; | 
|  | b : u32; | 
|  | c : f32; | 
|  | d : vec2<i32>; | 
|  | e : vec2<u32>; | 
|  | f : vec2<f32>; | 
|  | g : vec3<i32>; | 
|  | h : vec3<u32>; | 
|  | i : vec3<f32>; | 
|  | j : vec4<i32>; | 
|  | k : vec4<u32>; | 
|  | l : vec4<f32>; | 
|  | m : mat2x2<f32>; | 
|  | n : mat2x3<f32>; | 
|  | o : mat2x4<f32>; | 
|  | p : mat3x2<f32>; | 
|  | q : mat3x3<f32>; | 
|  | r : mat3x4<f32>; | 
|  | s : mat4x2<f32>; | 
|  | t : mat4x3<f32>; | 
|  | u : mat4x4<f32>; | 
|  | v : array<vec3<f32>, 2>; | 
|  | }; | 
|  |  | 
|  | var<storage> sb : [[access(read_write)]] SB; | 
|  |  | 
|  | [[stage(compute)]] | 
|  | fn main() { | 
|  | sb = SB(); | 
|  | } | 
|  | )"; | 
|  |  | 
|  | auto* expect = R"( | 
|  | [[block]] | 
|  | struct SB { | 
|  | a : i32; | 
|  | b : u32; | 
|  | c : f32; | 
|  | d : vec2<i32>; | 
|  | e : vec2<u32>; | 
|  | f : vec2<f32>; | 
|  | g : vec3<i32>; | 
|  | h : vec3<u32>; | 
|  | i : vec3<f32>; | 
|  | j : vec4<i32>; | 
|  | k : vec4<u32>; | 
|  | l : vec4<f32>; | 
|  | m : mat2x2<f32>; | 
|  | n : mat2x3<f32>; | 
|  | o : mat2x4<f32>; | 
|  | p : mat3x2<f32>; | 
|  | q : mat3x3<f32>; | 
|  | r : mat3x4<f32>; | 
|  | s : mat4x2<f32>; | 
|  | t : mat4x3<f32>; | 
|  | u : mat4x4<f32>; | 
|  | v : array<vec3<f32>, 2>; | 
|  | }; | 
|  |  | 
|  | [[internal(intrinsic_store_i32)]] | 
|  | fn tint_symbol(buffer : [[access(read_write)]] SB, offset : u32, value : i32) | 
|  |  | 
|  | [[internal(intrinsic_store_u32)]] | 
|  | fn tint_symbol_1(buffer : [[access(read_write)]] SB, offset : u32, value : u32) | 
|  |  | 
|  | [[internal(intrinsic_store_f32)]] | 
|  | fn tint_symbol_2(buffer : [[access(read_write)]] SB, offset : u32, value : f32) | 
|  |  | 
|  | [[internal(intrinsic_store_vec2_u32)]] | 
|  | fn tint_symbol_3(buffer : [[access(read_write)]] SB, offset : u32, value : vec2<i32>) | 
|  |  | 
|  | [[internal(intrinsic_store_vec2_f32)]] | 
|  | fn tint_symbol_4(buffer : [[access(read_write)]] SB, offset : u32, value : vec2<u32>) | 
|  |  | 
|  | [[internal(intrinsic_store_vec2_i32)]] | 
|  | fn tint_symbol_5(buffer : [[access(read_write)]] SB, offset : u32, value : vec2<f32>) | 
|  |  | 
|  | [[internal(intrinsic_store_vec3_u32)]] | 
|  | fn tint_symbol_6(buffer : [[access(read_write)]] SB, offset : u32, value : vec3<i32>) | 
|  |  | 
|  | [[internal(intrinsic_store_vec3_f32)]] | 
|  | fn tint_symbol_7(buffer : [[access(read_write)]] SB, offset : u32, value : vec3<u32>) | 
|  |  | 
|  | [[internal(intrinsic_store_vec3_i32)]] | 
|  | fn tint_symbol_8(buffer : [[access(read_write)]] SB, offset : u32, value : vec3<f32>) | 
|  |  | 
|  | [[internal(intrinsic_store_vec4_u32)]] | 
|  | fn tint_symbol_9(buffer : [[access(read_write)]] SB, offset : u32, value : vec4<i32>) | 
|  |  | 
|  | [[internal(intrinsic_store_vec4_f32)]] | 
|  | fn tint_symbol_10(buffer : [[access(read_write)]] SB, offset : u32, value : vec4<u32>) | 
|  |  | 
|  | [[internal(intrinsic_store_vec4_i32)]] | 
|  | fn tint_symbol_11(buffer : [[access(read_write)]] SB, offset : u32, value : vec4<f32>) | 
|  |  | 
|  | [[internal(intrinsic_store_vec2_i32)]] | 
|  | fn tint_symbol_12(buffer : [[access(read_write)]] SB, offset : u32, value : vec2<f32>) | 
|  |  | 
|  | fn tint_symbol_13(buffer : [[access(read_write)]] SB, offset : u32, value : mat2x2<f32>) { | 
|  | tint_symbol_12(buffer, (offset + 0u), value[0u]); | 
|  | tint_symbol_12(buffer, (offset + 8u), value[1u]); | 
|  | } | 
|  |  | 
|  | [[internal(intrinsic_store_vec3_i32)]] | 
|  | fn tint_symbol_14(buffer : [[access(read_write)]] SB, offset : u32, value : vec3<f32>) | 
|  |  | 
|  | fn tint_symbol_15(buffer : [[access(read_write)]] SB, offset : u32, value : mat2x3<f32>) { | 
|  | tint_symbol_14(buffer, (offset + 0u), value[0u]); | 
|  | tint_symbol_14(buffer, (offset + 16u), value[1u]); | 
|  | } | 
|  |  | 
|  | [[internal(intrinsic_store_vec4_i32)]] | 
|  | fn tint_symbol_16(buffer : [[access(read_write)]] SB, offset : u32, value : vec4<f32>) | 
|  |  | 
|  | fn tint_symbol_17(buffer : [[access(read_write)]] SB, offset : u32, value : mat2x4<f32>) { | 
|  | tint_symbol_16(buffer, (offset + 0u), value[0u]); | 
|  | tint_symbol_16(buffer, (offset + 16u), value[1u]); | 
|  | } | 
|  |  | 
|  | fn tint_symbol_18(buffer : [[access(read_write)]] SB, offset : u32, value : mat3x2<f32>) { | 
|  | tint_symbol_12(buffer, (offset + 0u), value[0u]); | 
|  | tint_symbol_12(buffer, (offset + 8u), value[1u]); | 
|  | tint_symbol_12(buffer, (offset + 16u), value[2u]); | 
|  | } | 
|  |  | 
|  | fn tint_symbol_19(buffer : [[access(read_write)]] SB, offset : u32, value : mat3x3<f32>) { | 
|  | tint_symbol_14(buffer, (offset + 0u), value[0u]); | 
|  | tint_symbol_14(buffer, (offset + 16u), value[1u]); | 
|  | tint_symbol_14(buffer, (offset + 32u), value[2u]); | 
|  | } | 
|  |  | 
|  | fn tint_symbol_20(buffer : [[access(read_write)]] SB, offset : u32, value : mat3x4<f32>) { | 
|  | tint_symbol_16(buffer, (offset + 0u), value[0u]); | 
|  | tint_symbol_16(buffer, (offset + 16u), value[1u]); | 
|  | tint_symbol_16(buffer, (offset + 32u), value[2u]); | 
|  | } | 
|  |  | 
|  | fn tint_symbol_21(buffer : [[access(read_write)]] SB, offset : u32, value : mat4x2<f32>) { | 
|  | tint_symbol_12(buffer, (offset + 0u), value[0u]); | 
|  | tint_symbol_12(buffer, (offset + 8u), value[1u]); | 
|  | tint_symbol_12(buffer, (offset + 16u), value[2u]); | 
|  | tint_symbol_12(buffer, (offset + 24u), value[3u]); | 
|  | } | 
|  |  | 
|  | fn tint_symbol_22(buffer : [[access(read_write)]] SB, offset : u32, value : mat4x3<f32>) { | 
|  | tint_symbol_14(buffer, (offset + 0u), value[0u]); | 
|  | tint_symbol_14(buffer, (offset + 16u), value[1u]); | 
|  | tint_symbol_14(buffer, (offset + 32u), value[2u]); | 
|  | tint_symbol_14(buffer, (offset + 48u), value[3u]); | 
|  | } | 
|  |  | 
|  | fn tint_symbol_23(buffer : [[access(read_write)]] SB, offset : u32, value : mat4x4<f32>) { | 
|  | tint_symbol_16(buffer, (offset + 0u), value[0u]); | 
|  | tint_symbol_16(buffer, (offset + 16u), value[1u]); | 
|  | tint_symbol_16(buffer, (offset + 32u), value[2u]); | 
|  | tint_symbol_16(buffer, (offset + 48u), value[3u]); | 
|  | } | 
|  |  | 
|  | fn tint_symbol_24(buffer : [[access(read_write)]] SB, offset : u32, value : array<vec3<f32>, 2>) { | 
|  | tint_symbol_8(buffer, (offset + 0u), value[0u]); | 
|  | tint_symbol_8(buffer, (offset + 16u), value[1u]); | 
|  | } | 
|  |  | 
|  | fn tint_symbol_25(buffer : [[access(read_write)]] SB, offset : u32, value : SB) { | 
|  | tint_symbol(buffer, (offset + 0u), value.a); | 
|  | tint_symbol_1(buffer, (offset + 4u), value.b); | 
|  | tint_symbol_2(buffer, (offset + 8u), value.c); | 
|  | tint_symbol_3(buffer, (offset + 16u), value.d); | 
|  | tint_symbol_4(buffer, (offset + 24u), value.e); | 
|  | tint_symbol_5(buffer, (offset + 32u), value.f); | 
|  | tint_symbol_6(buffer, (offset + 48u), value.g); | 
|  | tint_symbol_7(buffer, (offset + 64u), value.h); | 
|  | tint_symbol_8(buffer, (offset + 80u), value.i); | 
|  | tint_symbol_9(buffer, (offset + 96u), value.j); | 
|  | tint_symbol_10(buffer, (offset + 112u), value.k); | 
|  | tint_symbol_11(buffer, (offset + 128u), value.l); | 
|  | tint_symbol_13(buffer, (offset + 144u), value.m); | 
|  | tint_symbol_15(buffer, (offset + 160u), value.n); | 
|  | tint_symbol_17(buffer, (offset + 192u), value.o); | 
|  | tint_symbol_18(buffer, (offset + 224u), value.p); | 
|  | tint_symbol_19(buffer, (offset + 256u), value.q); | 
|  | tint_symbol_20(buffer, (offset + 304u), value.r); | 
|  | tint_symbol_21(buffer, (offset + 352u), value.s); | 
|  | tint_symbol_22(buffer, (offset + 384u), value.t); | 
|  | tint_symbol_23(buffer, (offset + 448u), value.u); | 
|  | tint_symbol_24(buffer, (offset + 512u), value.v); | 
|  | } | 
|  |  | 
|  | var<storage> sb : [[access(read_write)]] SB; | 
|  |  | 
|  | [[stage(compute)]] | 
|  | fn main() { | 
|  | tint_symbol_25(sb, 0u, SB()); | 
|  | } | 
|  | )"; | 
|  |  | 
|  | auto got = Run<DecomposeStorageAccess>(src); | 
|  |  | 
|  | EXPECT_EQ(expect, str(got)); | 
|  | } | 
|  |  | 
|  | TEST_F(DecomposeStorageAccessTest, ComplexStaticAccessChain) { | 
|  | auto* src = R"( | 
|  | struct S1 { | 
|  | a : i32; | 
|  | b : vec3<f32>; | 
|  | c : i32; | 
|  | }; | 
|  |  | 
|  | struct S2 { | 
|  | a : i32; | 
|  | b : [[stride(32)]] array<S1, 3>; | 
|  | c : i32; | 
|  | }; | 
|  |  | 
|  | [[block]] | 
|  | struct SB { | 
|  | [[size(128)]] | 
|  | a : i32; | 
|  | b : [[stride(256)]] array<S2>; | 
|  | }; | 
|  |  | 
|  | var<storage> sb : [[access(read_write)]] SB; | 
|  |  | 
|  | [[stage(compute)]] | 
|  | fn main() { | 
|  | var x : f32 = sb.b[4].b[1].b.z; | 
|  | } | 
|  | )"; | 
|  |  | 
|  | // sb.b[4].b[1].b.z | 
|  | //    ^  ^ ^  ^ ^ ^ | 
|  | //    |  | |  | | | | 
|  | //  128  | |1200| 1224 | 
|  | //       | |    | | 
|  | //    1152 1168 1216 | 
|  |  | 
|  | auto* expect = R"( | 
|  | struct S1 { | 
|  | a : i32; | 
|  | b : vec3<f32>; | 
|  | c : i32; | 
|  | }; | 
|  |  | 
|  | struct S2 { | 
|  | a : i32; | 
|  | b : [[stride(32)]] array<S1, 3>; | 
|  | c : i32; | 
|  | }; | 
|  |  | 
|  | [[block]] | 
|  | struct SB { | 
|  | [[size(128)]] | 
|  | a : i32; | 
|  | b : [[stride(256)]] array<S2>; | 
|  | }; | 
|  |  | 
|  | [[internal(intrinsic_load_f32)]] | 
|  | fn tint_symbol(buffer : [[access(read_write)]] SB, offset : u32) -> f32 | 
|  |  | 
|  | var<storage> sb : [[access(read_write)]] SB; | 
|  |  | 
|  | [[stage(compute)]] | 
|  | fn main() { | 
|  | var x : f32 = tint_symbol(sb, 1224u); | 
|  | } | 
|  | )"; | 
|  |  | 
|  | auto got = Run<DecomposeStorageAccess>(src); | 
|  |  | 
|  | EXPECT_EQ(expect, str(got)); | 
|  | } | 
|  |  | 
|  | TEST_F(DecomposeStorageAccessTest, ComplexDynamicAccessChain) { | 
|  | auto* src = R"( | 
|  | struct S1 { | 
|  | a : i32; | 
|  | b : vec3<f32>; | 
|  | c : i32; | 
|  | }; | 
|  |  | 
|  | struct S2 { | 
|  | a : i32; | 
|  | b : [[stride(32)]] array<S1, 3>; | 
|  | c : i32; | 
|  | }; | 
|  |  | 
|  | [[block]] | 
|  | struct SB { | 
|  | [[size(128)]] | 
|  | a : i32; | 
|  | b : [[stride(256)]] array<S2>; | 
|  | }; | 
|  |  | 
|  | var<storage> sb : [[access(read_write)]] SB; | 
|  |  | 
|  | [[stage(compute)]] | 
|  | fn main() { | 
|  | var i : i32 = 4; | 
|  | var j : u32 = 1u; | 
|  | var k : i32 = 2; | 
|  | var x : f32 = sb.b[i].b[j].b[k]; | 
|  | } | 
|  | )"; | 
|  |  | 
|  | auto* expect = R"( | 
|  | struct S1 { | 
|  | a : i32; | 
|  | b : vec3<f32>; | 
|  | c : i32; | 
|  | }; | 
|  |  | 
|  | struct S2 { | 
|  | a : i32; | 
|  | b : [[stride(32)]] array<S1, 3>; | 
|  | c : i32; | 
|  | }; | 
|  |  | 
|  | [[block]] | 
|  | struct SB { | 
|  | [[size(128)]] | 
|  | a : i32; | 
|  | b : [[stride(256)]] array<S2>; | 
|  | }; | 
|  |  | 
|  | [[internal(intrinsic_load_f32)]] | 
|  | fn tint_symbol(buffer : [[access(read_write)]] SB, offset : u32) -> f32 | 
|  |  | 
|  | var<storage> sb : [[access(read_write)]] SB; | 
|  |  | 
|  | [[stage(compute)]] | 
|  | fn main() { | 
|  | var i : i32 = 4; | 
|  | var j : u32 = 1u; | 
|  | var k : i32 = 2; | 
|  | var x : f32 = tint_symbol(sb, (((((128u + (256u * u32(i))) + 16u) + (32u * j)) + 16u) + (4u * u32(k)))); | 
|  | } | 
|  | )"; | 
|  |  | 
|  | auto got = Run<DecomposeStorageAccess>(src); | 
|  |  | 
|  | EXPECT_EQ(expect, str(got)); | 
|  | } | 
|  |  | 
|  | TEST_F(DecomposeStorageAccessTest, ComplexDynamicAccessChainWithAliases) { | 
|  | auto* src = R"( | 
|  | struct S1 { | 
|  | a : i32; | 
|  | b : vec3<f32>; | 
|  | c : i32; | 
|  | }; | 
|  |  | 
|  | type A1 = S1; | 
|  |  | 
|  | type A1_Array = [[stride(32)]] array<S1, 3>; | 
|  |  | 
|  | struct S2 { | 
|  | a : i32; | 
|  | b : A1_Array; | 
|  | c : i32; | 
|  | }; | 
|  |  | 
|  | type A2 = S2; | 
|  |  | 
|  | type A2_Array = [[stride(256)]] array<S2>; | 
|  |  | 
|  | [[block]] | 
|  | struct SB { | 
|  | [[size(128)]] | 
|  | a : i32; | 
|  | b : A2_Array; | 
|  | }; | 
|  |  | 
|  | var<storage> sb : [[access(read_write)]] SB; | 
|  |  | 
|  | [[stage(compute)]] | 
|  | fn main() { | 
|  | var i : i32 = 4; | 
|  | var j : u32 = 1u; | 
|  | var k : i32 = 2; | 
|  | var x : f32 = sb.b[i].b[j].b[k]; | 
|  | } | 
|  | )"; | 
|  |  | 
|  | auto* expect = R"( | 
|  | struct S1 { | 
|  | a : i32; | 
|  | b : vec3<f32>; | 
|  | c : i32; | 
|  | }; | 
|  |  | 
|  | type A1 = S1; | 
|  |  | 
|  | type A1_Array = [[stride(32)]] array<S1, 3>; | 
|  |  | 
|  | struct S2 { | 
|  | a : i32; | 
|  | b : A1_Array; | 
|  | c : i32; | 
|  | }; | 
|  |  | 
|  | type A2 = S2; | 
|  |  | 
|  | type A2_Array = [[stride(256)]] array<S2>; | 
|  |  | 
|  | [[block]] | 
|  | struct SB { | 
|  | [[size(128)]] | 
|  | a : i32; | 
|  | b : A2_Array; | 
|  | }; | 
|  |  | 
|  | [[internal(intrinsic_load_f32)]] | 
|  | fn tint_symbol(buffer : [[access(read_write)]] SB, offset : u32) -> f32 | 
|  |  | 
|  | var<storage> sb : [[access(read_write)]] SB; | 
|  |  | 
|  | [[stage(compute)]] | 
|  | fn main() { | 
|  | var i : i32 = 4; | 
|  | var j : u32 = 1u; | 
|  | var k : i32 = 2; | 
|  | var x : f32 = tint_symbol(sb, (((((128u + (256u * u32(i))) + 16u) + (32u * j)) + 16u) + (4u * u32(k)))); | 
|  | } | 
|  | )"; | 
|  |  | 
|  | auto got = Run<DecomposeStorageAccess>(src); | 
|  |  | 
|  | EXPECT_EQ(expect, str(got)); | 
|  | } | 
|  |  | 
|  | }  // namespace | 
|  | }  // namespace transform | 
|  | }  // namespace tint |