mirror of
https://github.com/KhronosGroup/SPIRV-Tools
synced 2024-12-26 17:51:02 +00:00
327 lines
12 KiB
C++
327 lines
12 KiB
C++
// Copyright (c) 2018 Google LLC
|
|
//
|
|
// 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 <string>
|
|
|
|
#include "test/opt/pass_fixture.h"
|
|
#include "test/opt/pass_utils.h"
|
|
|
|
namespace spvtools {
|
|
namespace opt {
|
|
namespace {
|
|
|
|
using ReduceLoadSizeTest = PassTest<::testing::Test>;
|
|
|
|
TEST_F(ReduceLoadSizeTest, cbuffer_load_extract) {
|
|
// Originally from the following HLSL:
|
|
// struct S {
|
|
// uint f;
|
|
// };
|
|
//
|
|
//
|
|
// cbuffer gBuffer { uint a[32]; };
|
|
//
|
|
// RWStructuredBuffer<S> gRWSBuffer;
|
|
//
|
|
// uint foo(uint p[32]) {
|
|
// return p[1];
|
|
// }
|
|
//
|
|
// [numthreads(1,1,1)]
|
|
// void main() {
|
|
// gRWSBuffer[0].f = foo(a);
|
|
// }
|
|
const std::string test =
|
|
R"(
|
|
OpCapability Shader
|
|
OpMemoryModel Logical GLSL450
|
|
OpEntryPoint GLCompute %main "main"
|
|
OpExecutionMode %main LocalSize 1 1 1
|
|
OpSource HLSL 600
|
|
OpName %type_gBuffer "type.gBuffer"
|
|
OpMemberName %type_gBuffer 0 "a"
|
|
OpName %gBuffer "gBuffer"
|
|
OpName %S "S"
|
|
OpMemberName %S 0 "f"
|
|
OpName %type_RWStructuredBuffer_S "type.RWStructuredBuffer.S"
|
|
OpName %gRWSBuffer "gRWSBuffer"
|
|
OpName %main "main"
|
|
OpDecorate %_arr_uint_uint_32 ArrayStride 16
|
|
OpMemberDecorate %type_gBuffer 0 Offset 0
|
|
OpDecorate %type_gBuffer Block
|
|
OpMemberDecorate %S 0 Offset 0
|
|
OpDecorate %_runtimearr_S ArrayStride 4
|
|
OpMemberDecorate %type_RWStructuredBuffer_S 0 Offset 0
|
|
OpDecorate %type_RWStructuredBuffer_S BufferBlock
|
|
OpDecorate %gBuffer DescriptorSet 0
|
|
OpDecorate %gBuffer Binding 0
|
|
OpDecorate %gRWSBuffer DescriptorSet 0
|
|
OpDecorate %gRWSBuffer Binding 1
|
|
%uint = OpTypeInt 32 0
|
|
%uint_32 = OpConstant %uint 32
|
|
%_arr_uint_uint_32 = OpTypeArray %uint %uint_32
|
|
%type_gBuffer = OpTypeStruct %_arr_uint_uint_32
|
|
%_ptr_Uniform_type_gBuffer = OpTypePointer Uniform %type_gBuffer
|
|
%S = OpTypeStruct %uint
|
|
%_runtimearr_S = OpTypeRuntimeArray %S
|
|
%type_RWStructuredBuffer_S = OpTypeStruct %_runtimearr_S
|
|
%_ptr_Uniform_type_RWStructuredBuffer_S = OpTypePointer Uniform %type_RWStructuredBuffer_S
|
|
%int = OpTypeInt 32 1
|
|
%void = OpTypeVoid
|
|
%15 = OpTypeFunction %void
|
|
%int_0 = OpConstant %int 0
|
|
%_ptr_Uniform__arr_uint_uint_32 = OpTypePointer Uniform %_arr_uint_uint_32
|
|
%uint_0 = OpConstant %uint 0
|
|
%_ptr_Uniform_uint = OpTypePointer Uniform %uint
|
|
%gBuffer = OpVariable %_ptr_Uniform_type_gBuffer Uniform
|
|
%gRWSBuffer = OpVariable %_ptr_Uniform_type_RWStructuredBuffer_S Uniform
|
|
%main = OpFunction %void None %15
|
|
%20 = OpLabel
|
|
; CHECK: [[ac1:%\w+]] = OpAccessChain {{%\w+}} %gBuffer %int_0
|
|
; CHECK: [[ac2:%\w+]] = OpAccessChain {{%\w+}} [[ac1]] %uint_1
|
|
; CHECK: [[ld:%\w+]] = OpLoad {{%\w+}} [[ac2]]
|
|
; CHECK: OpStore {{%\w+}} [[ld]]
|
|
%21 = OpAccessChain %_ptr_Uniform__arr_uint_uint_32 %gBuffer %int_0
|
|
%22 = OpLoad %_arr_uint_uint_32 %21 ; Load of 32-element array.
|
|
%23 = OpCompositeExtract %uint %22 1
|
|
%24 = OpAccessChain %_ptr_Uniform_uint %gRWSBuffer %int_0 %uint_0 %int_0
|
|
OpStore %24 %23
|
|
OpReturn
|
|
OpFunctionEnd
|
|
)";
|
|
|
|
SetAssembleOptions(SPV_TEXT_TO_BINARY_OPTION_PRESERVE_NUMERIC_IDS);
|
|
SetDisassembleOptions(SPV_BINARY_TO_TEXT_OPTION_NO_HEADER |
|
|
SPV_BINARY_TO_TEXT_OPTION_FRIENDLY_NAMES);
|
|
SinglePassRunAndMatch<ReduceLoadSize>(test, false);
|
|
}
|
|
|
|
TEST_F(ReduceLoadSizeTest, cbuffer_load_extract_vector) {
|
|
// Originally from the following HLSL:
|
|
// struct S {
|
|
// uint f;
|
|
// };
|
|
//
|
|
//
|
|
// cbuffer gBuffer { uint4 a; };
|
|
//
|
|
// RWStructuredBuffer<S> gRWSBuffer;
|
|
//
|
|
// uint foo(uint p[32]) {
|
|
// return p[1];
|
|
// }
|
|
//
|
|
// [numthreads(1,1,1)]
|
|
// void main() {
|
|
// gRWSBuffer[0].f = foo(a);
|
|
// }
|
|
const std::string test =
|
|
R"(OpCapability Shader
|
|
OpMemoryModel Logical GLSL450
|
|
OpEntryPoint GLCompute %main "main"
|
|
OpExecutionMode %main LocalSize 1 1 1
|
|
OpSource HLSL 600
|
|
OpName %type_gBuffer "type.gBuffer"
|
|
OpMemberName %type_gBuffer 0 "a"
|
|
OpName %gBuffer "gBuffer"
|
|
OpName %S "S"
|
|
OpMemberName %S 0 "f"
|
|
OpName %type_RWStructuredBuffer_S "type.RWStructuredBuffer.S"
|
|
OpName %gRWSBuffer "gRWSBuffer"
|
|
OpName %main "main"
|
|
OpMemberDecorate %type_gBuffer 0 Offset 0
|
|
OpDecorate %type_gBuffer Block
|
|
OpMemberDecorate %S 0 Offset 0
|
|
OpDecorate %_runtimearr_S ArrayStride 4
|
|
OpMemberDecorate %type_RWStructuredBuffer_S 0 Offset 0
|
|
OpDecorate %type_RWStructuredBuffer_S BufferBlock
|
|
OpDecorate %gBuffer DescriptorSet 0
|
|
OpDecorate %gBuffer Binding 0
|
|
OpDecorate %gRWSBuffer DescriptorSet 0
|
|
OpDecorate %gRWSBuffer Binding 1
|
|
%uint = OpTypeInt 32 0
|
|
%uint_32 = OpConstant %uint 32
|
|
%v4uint = OpTypeVector %uint 4
|
|
%type_gBuffer = OpTypeStruct %v4uint
|
|
%_ptr_Uniform_type_gBuffer = OpTypePointer Uniform %type_gBuffer
|
|
%S = OpTypeStruct %uint
|
|
%_runtimearr_S = OpTypeRuntimeArray %S
|
|
%type_RWStructuredBuffer_S = OpTypeStruct %_runtimearr_S
|
|
%_ptr_Uniform_type_RWStructuredBuffer_S = OpTypePointer Uniform %type_RWStructuredBuffer_S
|
|
%int = OpTypeInt 32 1
|
|
%void = OpTypeVoid
|
|
%15 = OpTypeFunction %void
|
|
%int_0 = OpConstant %int 0
|
|
%_ptr_Uniform_v4uint = OpTypePointer Uniform %v4uint
|
|
%uint_0 = OpConstant %uint 0
|
|
%_ptr_Uniform_uint = OpTypePointer Uniform %uint
|
|
%gBuffer = OpVariable %_ptr_Uniform_type_gBuffer Uniform
|
|
%gRWSBuffer = OpVariable %_ptr_Uniform_type_RWStructuredBuffer_S Uniform
|
|
%main = OpFunction %void None %15
|
|
%20 = OpLabel
|
|
%21 = OpAccessChain %_ptr_Uniform_v4uint %gBuffer %int_0
|
|
%22 = OpLoad %v4uint %21
|
|
%23 = OpCompositeExtract %uint %22 1
|
|
%24 = OpAccessChain %_ptr_Uniform_uint %gRWSBuffer %int_0 %uint_0 %int_0
|
|
OpStore %24 %23
|
|
OpReturn
|
|
OpFunctionEnd
|
|
)";
|
|
|
|
SetAssembleOptions(SPV_TEXT_TO_BINARY_OPTION_PRESERVE_NUMERIC_IDS);
|
|
SetDisassembleOptions(SPV_BINARY_TO_TEXT_OPTION_NO_HEADER |
|
|
SPV_BINARY_TO_TEXT_OPTION_FRIENDLY_NAMES);
|
|
SinglePassRunAndCheck<ReduceLoadSize>(test, test, true, false);
|
|
}
|
|
|
|
TEST_F(ReduceLoadSizeTest, cbuffer_load_5_extract) {
|
|
// All of the elements of the value loaded are used, so we should not
|
|
// change the load.
|
|
const std::string test =
|
|
R"(OpCapability Shader
|
|
OpMemoryModel Logical GLSL450
|
|
OpEntryPoint GLCompute %main "main"
|
|
OpExecutionMode %main LocalSize 1 1 1
|
|
OpSource HLSL 600
|
|
OpName %type_gBuffer "type.gBuffer"
|
|
OpMemberName %type_gBuffer 0 "a"
|
|
OpName %gBuffer "gBuffer"
|
|
OpName %S "S"
|
|
OpMemberName %S 0 "f"
|
|
OpName %type_RWStructuredBuffer_S "type.RWStructuredBuffer.S"
|
|
OpName %gRWSBuffer "gRWSBuffer"
|
|
OpName %main "main"
|
|
OpDecorate %_arr_uint_uint_5 ArrayStride 16
|
|
OpMemberDecorate %type_gBuffer 0 Offset 0
|
|
OpDecorate %type_gBuffer Block
|
|
OpMemberDecorate %S 0 Offset 0
|
|
OpDecorate %_runtimearr_S ArrayStride 4
|
|
OpMemberDecorate %type_RWStructuredBuffer_S 0 Offset 0
|
|
OpDecorate %type_RWStructuredBuffer_S BufferBlock
|
|
OpDecorate %gBuffer DescriptorSet 0
|
|
OpDecorate %gBuffer Binding 0
|
|
OpDecorate %gRWSBuffer DescriptorSet 0
|
|
OpDecorate %gRWSBuffer Binding 1
|
|
%uint = OpTypeInt 32 0
|
|
%uint_5 = OpConstant %uint 5
|
|
%_arr_uint_uint_5 = OpTypeArray %uint %uint_5
|
|
%type_gBuffer = OpTypeStruct %_arr_uint_uint_5
|
|
%_ptr_Uniform_type_gBuffer = OpTypePointer Uniform %type_gBuffer
|
|
%S = OpTypeStruct %uint
|
|
%_runtimearr_S = OpTypeRuntimeArray %S
|
|
%type_RWStructuredBuffer_S = OpTypeStruct %_runtimearr_S
|
|
%_ptr_Uniform_type_RWStructuredBuffer_S = OpTypePointer Uniform %type_RWStructuredBuffer_S
|
|
%int = OpTypeInt 32 1
|
|
%void = OpTypeVoid
|
|
%15 = OpTypeFunction %void
|
|
%int_0 = OpConstant %int 0
|
|
%_ptr_Uniform__arr_uint_uint_5 = OpTypePointer Uniform %_arr_uint_uint_5
|
|
%uint_0 = OpConstant %uint 0
|
|
%_ptr_Uniform_uint = OpTypePointer Uniform %uint
|
|
%gBuffer = OpVariable %_ptr_Uniform_type_gBuffer Uniform
|
|
%gRWSBuffer = OpVariable %_ptr_Uniform_type_RWStructuredBuffer_S Uniform
|
|
%main = OpFunction %void None %15
|
|
%20 = OpLabel
|
|
%21 = OpAccessChain %_ptr_Uniform__arr_uint_uint_5 %gBuffer %int_0
|
|
%22 = OpLoad %_arr_uint_uint_5 %21
|
|
%23 = OpCompositeExtract %uint %22 0
|
|
%24 = OpCompositeExtract %uint %22 1
|
|
%25 = OpCompositeExtract %uint %22 2
|
|
%26 = OpCompositeExtract %uint %22 3
|
|
%27 = OpCompositeExtract %uint %22 4
|
|
%28 = OpIAdd %uint %23 %24
|
|
%29 = OpIAdd %uint %28 %25
|
|
%30 = OpIAdd %uint %29 %26
|
|
%31 = OpIAdd %uint %20 %27
|
|
%32 = OpAccessChain %_ptr_Uniform_uint %gRWSBuffer %int_0 %uint_0 %int_0
|
|
OpStore %32 %31
|
|
OpReturn
|
|
OpFunctionEnd
|
|
)";
|
|
|
|
SetAssembleOptions(SPV_TEXT_TO_BINARY_OPTION_PRESERVE_NUMERIC_IDS);
|
|
SetDisassembleOptions(SPV_BINARY_TO_TEXT_OPTION_NO_HEADER |
|
|
SPV_BINARY_TO_TEXT_OPTION_FRIENDLY_NAMES);
|
|
SinglePassRunAndCheck<ReduceLoadSize>(test, test, true, false);
|
|
}
|
|
|
|
TEST_F(ReduceLoadSizeTest, cbuffer_load_fully_used) {
|
|
// The result of the load (%22) is used in an instruction that uses the whole
|
|
// load and has only 1 in operand. This trigger issue #1559.
|
|
const std::string test =
|
|
R"(OpCapability Shader
|
|
OpMemoryModel Logical GLSL450
|
|
OpEntryPoint GLCompute %main "main"
|
|
OpExecutionMode %main LocalSize 1 1 1
|
|
OpSource HLSL 600
|
|
OpName %type_gBuffer "type.gBuffer"
|
|
OpMemberName %type_gBuffer 0 "a"
|
|
OpName %gBuffer "gBuffer"
|
|
OpName %S "S"
|
|
OpMemberName %S 0 "f"
|
|
OpName %type_RWStructuredBuffer_S "type.RWStructuredBuffer.S"
|
|
OpName %gRWSBuffer "gRWSBuffer"
|
|
OpName %main "main"
|
|
OpMemberDecorate %type_gBuffer 0 Offset 0
|
|
OpDecorate %type_gBuffer Block
|
|
OpMemberDecorate %S 0 Offset 0
|
|
OpDecorate %_runtimearr_S ArrayStride 4
|
|
OpMemberDecorate %type_RWStructuredBuffer_S 0 Offset 0
|
|
OpDecorate %type_RWStructuredBuffer_S BufferBlock
|
|
OpDecorate %gBuffer DescriptorSet 0
|
|
OpDecorate %gBuffer Binding 0
|
|
OpDecorate %gRWSBuffer DescriptorSet 0
|
|
OpDecorate %gRWSBuffer Binding 1
|
|
%uint = OpTypeInt 32 0
|
|
%uint_32 = OpConstant %uint 32
|
|
%v4uint = OpTypeVector %uint 4
|
|
%float = OpTypeFloat 32
|
|
%v4float = OpTypeVector %float 4
|
|
%type_gBuffer = OpTypeStruct %v4uint
|
|
%_ptr_Uniform_type_gBuffer = OpTypePointer Uniform %type_gBuffer
|
|
%S = OpTypeStruct %uint
|
|
%_runtimearr_S = OpTypeRuntimeArray %S
|
|
%type_RWStructuredBuffer_S = OpTypeStruct %_runtimearr_S
|
|
%_ptr_Uniform_type_RWStructuredBuffer_S = OpTypePointer Uniform %type_RWStructuredBuffer_S
|
|
%int = OpTypeInt 32 1
|
|
%void = OpTypeVoid
|
|
%15 = OpTypeFunction %void
|
|
%int_0 = OpConstant %int 0
|
|
%_ptr_Uniform_v4uint = OpTypePointer Uniform %v4uint
|
|
%uint_0 = OpConstant %uint 0
|
|
%_ptr_Uniform_uint = OpTypePointer Uniform %uint
|
|
%gBuffer = OpVariable %_ptr_Uniform_type_gBuffer Uniform
|
|
%gRWSBuffer = OpVariable %_ptr_Uniform_type_RWStructuredBuffer_S Uniform
|
|
%main = OpFunction %void None %15
|
|
%20 = OpLabel
|
|
%21 = OpAccessChain %_ptr_Uniform_v4uint %gBuffer %int_0
|
|
%22 = OpLoad %v4uint %21
|
|
%23 = OpCompositeExtract %uint %22 1
|
|
%24 = OpConvertUToF %v4float %22
|
|
%25 = OpAccessChain %_ptr_Uniform_uint %gRWSBuffer %int_0 %uint_0 %int_0
|
|
OpStore %25 %23
|
|
OpReturn
|
|
OpFunctionEnd
|
|
)";
|
|
|
|
SetAssembleOptions(SPV_TEXT_TO_BINARY_OPTION_PRESERVE_NUMERIC_IDS);
|
|
SetDisassembleOptions(SPV_BINARY_TO_TEXT_OPTION_NO_HEADER |
|
|
SPV_BINARY_TO_TEXT_OPTION_FRIENDLY_NAMES);
|
|
SinglePassRunAndCheck<ReduceLoadSize>(test, test, true, false);
|
|
}
|
|
|
|
} // namespace
|
|
} // namespace opt
|
|
} // namespace spvtools
|