// Copyright (c) 2016 Google Inc. // // 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 #include #include #include "test/opt/assembly_builder.h" #include "test/opt/pass_fixture.h" #include "test/opt/pass_utils.h" namespace spvtools { namespace opt { namespace { using FoldSpecConstantOpAndCompositePassBasicTest = PassTest<::testing::Test>; TEST_F(FoldSpecConstantOpAndCompositePassBasicTest, Empty) { SinglePassRunAndCheck( "", "", /* skip_nop = */ true); } // A test of the basic functionality of FoldSpecConstantOpAndCompositePass. // A spec constant defined with an integer addition operation should be folded // to a normal constant with fixed value. TEST_F(FoldSpecConstantOpAndCompositePassBasicTest, Basic) { AssemblyBuilder builder; builder.AppendTypesConstantsGlobals({ // clang-format off "%int = OpTypeInt 32 1", "%frozen_spec_const_int = OpConstant %int 1", "%const_int = OpConstant %int 2", // Folding target: "%spec_add = OpSpecConstantOp %int IAdd %frozen_spec_const_int %const_int", // clang-format on }); std::vector expected = { // clang-format off "OpCapability Shader", "OpCapability Float64", "%1 = OpExtInstImport \"GLSL.std.450\"", "OpMemoryModel Logical GLSL450", "OpEntryPoint Vertex %main \"main\"", "OpName %void \"void\"", "OpName %main_func_type \"main_func_type\"", "OpName %main \"main\"", "OpName %main_func_entry_block \"main_func_entry_block\"", "OpName %int \"int\"", "OpName %frozen_spec_const_int \"frozen_spec_const_int\"", "OpName %const_int \"const_int\"", "OpName %spec_add \"spec_add\"", "%void = OpTypeVoid", "%main_func_type = OpTypeFunction %void", "%int = OpTypeInt 32 1", "%frozen_spec_const_int = OpConstant %int 1", "%const_int = OpConstant %int 2", // The SpecConstantOp IAdd instruction should be replace by OpConstant // instruction: "%spec_add = OpConstant %int 3", "%main = OpFunction %void None %main_func_type", "%main_func_entry_block = OpLabel", "OpReturn", "OpFunctionEnd", // clang-format on }; SinglePassRunAndCheck( builder.GetCode(), JoinAllInsts(expected), /* skip_nop = */ true); } // A test of skipping folding an instruction when the instruction result type // has decorations. TEST_F(FoldSpecConstantOpAndCompositePassBasicTest, SkipWhenTypeHasDecorations) { AssemblyBuilder builder; builder .AppendAnnotations({ // clang-format off "OpDecorate %int RelaxedPrecision", // clang-format on }) .AppendTypesConstantsGlobals({ // clang-format off "%int = OpTypeInt 32 1", "%frozen_spec_const_int = OpConstant %int 1", "%const_int = OpConstant %int 2", // The following spec constant should not be folded as the result type // has relaxed precision decoration. "%spec_add = OpSpecConstantOp %int IAdd %frozen_spec_const_int %const_int", // clang-format on }); SinglePassRunAndCheck( builder.GetCode(), builder.GetCode(), /* skip_nop = */ true); } // Test where OpSpecConstantOp depends on another OpSpecConstantOp with // CompositeExtract TEST_F(FoldSpecConstantOpAndCompositePassBasicTest, StackedCompositeExtract) { AssemblyBuilder builder; builder.AppendTypesConstantsGlobals({ // clang-format off "%uint = OpTypeInt 32 0", "%v3uint = OpTypeVector %uint 3", "%uint_2 = OpConstant %uint 2", "%uint_3 = OpConstant %uint 3", // Folding target: "%composite_0 = OpSpecConstantComposite %v3uint %uint_2 %uint_3 %uint_2", "%op_0 = OpSpecConstantOp %uint CompositeExtract %composite_0 0", "%op_1 = OpSpecConstantOp %uint CompositeExtract %composite_0 1", "%op_2 = OpSpecConstantOp %uint IMul %op_0 %op_1", "%composite_1 = OpSpecConstantComposite %v3uint %op_0 %op_1 %op_2", "%op_3 = OpSpecConstantOp %uint CompositeExtract %composite_1 0", "%op_4 = OpSpecConstantOp %uint IMul %op_2 %op_3", // clang-format on }); std::vector expected = { // clang-format off "OpCapability Shader", "OpCapability Float64", "%1 = OpExtInstImport \"GLSL.std.450\"", "OpMemoryModel Logical GLSL450", "OpEntryPoint Vertex %main \"main\"", "OpName %void \"void\"", "OpName %main_func_type \"main_func_type\"", "OpName %main \"main\"", "OpName %main_func_entry_block \"main_func_entry_block\"", "OpName %uint \"uint\"", "OpName %v3uint \"v3uint\"", "OpName %uint_2 \"uint_2\"", "OpName %uint_3 \"uint_3\"", "OpName %composite_0 \"composite_0\"", "OpName %op_0 \"op_0\"", "OpName %op_1 \"op_1\"", "OpName %op_2 \"op_2\"", "OpName %composite_1 \"composite_1\"", "OpName %op_3 \"op_3\"", "OpName %op_4 \"op_4\"", "%void = OpTypeVoid", "%main_func_type = OpTypeFunction %void", "%uint = OpTypeInt 32 0", "%v3uint = OpTypeVector %uint 3", "%uint_2 = OpConstant %uint 2", "%uint_3 = OpConstant %uint 3", "%composite_0 = OpConstantComposite %v3uint %uint_2 %uint_3 %uint_2", "%op_0 = OpConstant %uint 2", "%op_1 = OpConstant %uint 3", "%op_2 = OpConstant %uint 6", "%composite_1 = OpConstantComposite %v3uint %op_0 %op_1 %op_2", "%op_3 = OpConstant %uint 2", "%op_4 = OpConstant %uint 12", "%main = OpFunction %void None %main_func_type", "%main_func_entry_block = OpLabel", "OpReturn", "OpFunctionEnd", // clang-format on }; SinglePassRunAndCheck( builder.GetCode(), JoinAllInsts(expected), /* skip_nop = */ true); } // Test where OpSpecConstantOp depends on another OpSpecConstantOp with // VectorShuffle TEST_F(FoldSpecConstantOpAndCompositePassBasicTest, StackedVectorShuffle) { AssemblyBuilder builder; builder.AppendTypesConstantsGlobals({ // clang-format off "%uint = OpTypeInt 32 0", "%v3uint = OpTypeVector %uint 3", "%uint_1 = OpConstant %uint 1", "%uint_2 = OpConstant %uint 2", "%uint_3 = OpConstant %uint 3", "%uint_4 = OpConstant %uint 4", "%uint_5 = OpConstant %uint 5", "%uint_6 = OpConstant %uint 6", // Folding target: "%composite_0 = OpSpecConstantComposite %v3uint %uint_1 %uint_2 %uint_3", "%composite_1 = OpSpecConstantComposite %v3uint %uint_4 %uint_5 %uint_6", "%vecshuffle = OpSpecConstantOp %v3uint VectorShuffle %composite_0 %composite_1 0 5 3", "%op = OpSpecConstantOp %uint CompositeExtract %vecshuffle 1", // clang-format on }); std::vector expected = { // clang-format off "OpCapability Shader", "OpCapability Float64", "%1 = OpExtInstImport \"GLSL.std.450\"", "OpMemoryModel Logical GLSL450", "OpEntryPoint Vertex %main \"main\"", "OpName %void \"void\"", "OpName %main_func_type \"main_func_type\"", "OpName %main \"main\"", "OpName %main_func_entry_block \"main_func_entry_block\"", "OpName %uint \"uint\"", "OpName %v3uint \"v3uint\"", "OpName %uint_1 \"uint_1\"", "OpName %uint_2 \"uint_2\"", "OpName %uint_3 \"uint_3\"", "OpName %uint_4 \"uint_4\"", "OpName %uint_5 \"uint_5\"", "OpName %uint_6 \"uint_6\"", "OpName %composite_0 \"composite_0\"", "OpName %composite_1 \"composite_1\"", "OpName %vecshuffle \"vecshuffle\"", "OpName %op \"op\"", "%void = OpTypeVoid", "%main_func_type = OpTypeFunction %void", "%uint = OpTypeInt 32 0", "%v3uint = OpTypeVector %uint 3", "%uint_1 = OpConstant %uint 1", "%uint_2 = OpConstant %uint 2", "%uint_3 = OpConstant %uint 3", "%uint_4 = OpConstant %uint 4", "%uint_5 = OpConstant %uint 5", "%uint_6 = OpConstant %uint 6", "%composite_0 = OpConstantComposite %v3uint %uint_1 %uint_2 %uint_3", "%composite_1 = OpConstantComposite %v3uint %uint_4 %uint_5 %uint_6", "%vecshuffle = OpConstantComposite %v3uint %uint_1 %uint_6 %uint_4", "%op = OpConstant %uint 6", "%main = OpFunction %void None %main_func_type", "%main_func_entry_block = OpLabel", "OpReturn", "OpFunctionEnd", // clang-format on }; SinglePassRunAndCheck( builder.GetCode(), JoinAllInsts(expected), /* skip_nop = */ true); } // Test CompositeExtract with matrix TEST_F(FoldSpecConstantOpAndCompositePassBasicTest, CompositeExtractMaxtrix) { AssemblyBuilder builder; builder.AppendTypesConstantsGlobals({ // clang-format off "%uint = OpTypeInt 32 0", "%v3uint = OpTypeVector %uint 3", "%mat3x3 = OpTypeMatrix %v3uint 3", "%uint_1 = OpConstant %uint 1", "%uint_2 = OpConstant %uint 2", "%uint_3 = OpConstant %uint 3", // Folding target: "%a = OpSpecConstantComposite %v3uint %uint_1 %uint_1 %uint_1", "%b = OpSpecConstantComposite %v3uint %uint_1 %uint_1 %uint_3", "%c = OpSpecConstantComposite %v3uint %uint_1 %uint_2 %uint_1", "%op = OpSpecConstantComposite %mat3x3 %a %b %c", "%x = OpSpecConstantOp %uint CompositeExtract %op 2 1", "%y = OpSpecConstantOp %uint CompositeExtract %op 1 2", // clang-format on }); std::vector expected = { // clang-format off "OpCapability Shader", "OpCapability Float64", "%1 = OpExtInstImport \"GLSL.std.450\"", "OpMemoryModel Logical GLSL450", "OpEntryPoint Vertex %main \"main\"", "OpName %void \"void\"", "OpName %main_func_type \"main_func_type\"", "OpName %main \"main\"", "OpName %main_func_entry_block \"main_func_entry_block\"", "OpName %uint \"uint\"", "OpName %v3uint \"v3uint\"", "OpName %mat3x3 \"mat3x3\"", "OpName %uint_1 \"uint_1\"", "OpName %uint_2 \"uint_2\"", "OpName %uint_3 \"uint_3\"", "OpName %a \"a\"", "OpName %b \"b\"", "OpName %c \"c\"", "OpName %op \"op\"", "OpName %x \"x\"", "OpName %y \"y\"", "%void = OpTypeVoid", "%main_func_type = OpTypeFunction %void", "%uint = OpTypeInt 32 0", "%v3uint = OpTypeVector %uint 3", "%mat3x3 = OpTypeMatrix %v3uint 3", "%uint_1 = OpConstant %uint 1", "%uint_2 = OpConstant %uint 2", "%uint_3 = OpConstant %uint 3", "%a = OpConstantComposite %v3uint %uint_1 %uint_1 %uint_1", "%b = OpConstantComposite %v3uint %uint_1 %uint_1 %uint_3", "%c = OpConstantComposite %v3uint %uint_1 %uint_2 %uint_1", "%op = OpConstantComposite %mat3x3 %a %b %c", "%x = OpConstant %uint 2", "%y = OpConstant %uint 3", "%main = OpFunction %void None %main_func_type", "%main_func_entry_block = OpLabel", "OpReturn", "OpFunctionEnd", // clang-format on }; SinglePassRunAndCheck( builder.GetCode(), JoinAllInsts(expected), /* skip_nop = */ true); } TEST_F(FoldSpecConstantOpAndCompositePassBasicTest, CompositeInsertVector) { const std::string test = R"( OpCapability Shader OpMemoryModel Logical GLSL450 OpEntryPoint GLCompute %1 "main" OpExecutionMode %1 LocalSize 1 1 1 %void = OpTypeVoid %3 = OpTypeFunction %void %uint = OpTypeInt 32 0 %v3uint = OpTypeVector %uint 3 %uint_2 = OpConstant %uint 2 %uint_3 = OpConstant %uint 3 %8 = OpConstantNull %uint %9 = OpSpecConstantComposite %v3uint %uint_2 %uint_2 %uint_2 ; CHECK: %15 = OpConstantComposite %v3uint %uint_3 %uint_2 %uint_2 ; CHECK: %uint_3_0 = OpConstant %uint 3 ; CHECK: %17 = OpConstantComposite %v3uint %8 %uint_2 %uint_2 ; CHECK: %18 = OpConstantNull %uint %10 = OpSpecConstantOp %v3uint CompositeInsert %uint_3 %9 0 %11 = OpSpecConstantOp %uint CompositeExtract %10 0 %12 = OpSpecConstantOp %v3uint CompositeInsert %8 %9 0 %13 = OpSpecConstantOp %uint CompositeExtract %12 0 %1 = OpFunction %void None %3 %14 = OpLabel OpReturn OpFunctionEnd )"; SinglePassRunAndMatch(test, false); } TEST_F(FoldSpecConstantOpAndCompositePassBasicTest, CompositeInsertVectorIntoMatrix) { const std::string test = R"( OpCapability Shader OpMemoryModel Logical GLSL450 OpEntryPoint GLCompute %1 "main" OpExecutionMode %1 LocalSize 1 1 1 %void = OpTypeVoid %3 = OpTypeFunction %void %float = OpTypeFloat 32 %v2float = OpTypeVector %float 2 %mat2v2float = OpTypeMatrix %v2float 2 %float_0 = OpConstant %float 0 %float_1 = OpConstant %float 1 %float_2 = OpConstant %float 2 %v2float_01 = OpConstantComposite %v2float %float_0 %float_1 %v2float_12 = OpConstantComposite %v2float %float_1 %float_2 ; CHECK: %10 = OpConstantComposite %v2float %float_0 %float_1 ; CHECK: %11 = OpConstantComposite %v2float %float_1 %float_2 ; CHECK: %12 = OpConstantComposite %mat2v2float %11 %11 %mat2v2float_1212 = OpConstantComposite %mat2v2float %v2float_12 %v2float_12 ; CHECK: %15 = OpConstantComposite %mat2v2float %10 %11 %spec_0 = OpSpecConstantOp %mat2v2float CompositeInsert %v2float_01 %mat2v2float_1212 0 %1 = OpFunction %void None %3 %label = OpLabel OpReturn OpFunctionEnd )"; SinglePassRunAndMatch(test, false); } TEST_F(FoldSpecConstantOpAndCompositePassBasicTest, CompositeInsertMatrix) { const std::string test = R"( OpCapability Shader OpMemoryModel Logical GLSL450 OpEntryPoint GLCompute %1 "main" OpExecutionMode %1 LocalSize 1 1 1 %void = OpTypeVoid %3 = OpTypeFunction %void %float = OpTypeFloat 32 %v3float = OpTypeVector %float 3 %mat3v3float = OpTypeMatrix %v3float 3 %float_1 = OpConstant %float 1 %float_2 = OpConstant %float 2 %9 = OpSpecConstantComposite %v3float %float_1 %float_1 %float_1 %10 = OpSpecConstantComposite %v3float %float_1 %float_1 %float_1 %11 = OpSpecConstantComposite %v3float %float_1 %float_2 %float_1 %12 = OpSpecConstantComposite %mat3v3float %9 %10 %11 ; CHECK: %float_2_0 = OpConstant %float 2 ; CHECK: %18 = OpConstantComposite %v3float %float_1 %float_1 %float_2 ; CHECK: %19 = OpConstantComposite %mat3v3float %9 %18 %11 ; CHECK: %float_2_1 = OpConstant %float 2 %13 = OpSpecConstantOp %float CompositeExtract %12 2 1 %14 = OpSpecConstantOp %mat3v3float CompositeInsert %13 %12 1 2 %15 = OpSpecConstantOp %float CompositeExtract %14 1 2 %1 = OpFunction %void None %3 %16 = OpLabel OpReturn OpFunctionEnd )"; SinglePassRunAndMatch(test, false); } TEST_F(FoldSpecConstantOpAndCompositePassBasicTest, CompositeInsertFloatNull) { const std::string test = R"( OpCapability Shader OpMemoryModel Logical GLSL450 OpEntryPoint GLCompute %1 "main" OpExecutionMode %1 LocalSize 1 1 1 %void = OpTypeVoid %3 = OpTypeFunction %void %float = OpTypeFloat 32 %v3float = OpTypeVector %float 3 %float_1 = OpConstant %float 1 ; CHECK: %7 = OpConstantNull %float ; CHECK: %8 = OpConstantComposite %v3float %7 %7 %7 ; CHECK: %12 = OpConstantComposite %v3float %7 %7 %float_1 %null = OpConstantNull %float %spec_0 = OpConstantComposite %v3float %null %null %null %spec_1 = OpSpecConstantOp %v3float CompositeInsert %float_1 %spec_0 2 ; CHECK: %float_1_0 = OpConstant %float 1 %spec_2 = OpSpecConstantOp %float CompositeExtract %spec_1 2 %1 = OpFunction %void None %3 %label = OpLabel OpReturn OpFunctionEnd )"; SinglePassRunAndMatch(test, false); } TEST_F(FoldSpecConstantOpAndCompositePassBasicTest, CompositeInsertFloatSetNull) { const std::string test = R"( OpCapability Shader OpMemoryModel Logical GLSL450 OpEntryPoint GLCompute %1 "main" OpExecutionMode %1 LocalSize 1 1 1 %void = OpTypeVoid %3 = OpTypeFunction %void %float = OpTypeFloat 32 %v3float = OpTypeVector %float 3 %float_1 = OpConstant %float 1 ; CHECK: %7 = OpConstantNull %float ; CHECK: %8 = OpConstantComposite %v3float %7 %7 %float_1 ; CHECK: %12 = OpConstantComposite %v3float %7 %7 %7 %null = OpConstantNull %float %spec_0 = OpConstantComposite %v3float %null %null %float_1 %spec_1 = OpSpecConstantOp %v3float CompositeInsert %null %spec_0 2 ; CHECK: %13 = OpConstantNull %float %spec_2 = OpSpecConstantOp %float CompositeExtract %spec_1 2 %1 = OpFunction %void None %3 %label = OpLabel OpReturn OpFunctionEnd )"; SinglePassRunAndMatch(test, false); } TEST_F(FoldSpecConstantOpAndCompositePassBasicTest, CompositeInsertVectorNull) { const std::string test = R"( OpCapability Shader OpMemoryModel Logical GLSL450 OpEntryPoint GLCompute %1 "main" OpExecutionMode %1 LocalSize 1 1 1 %void = OpTypeVoid %3 = OpTypeFunction %void %float = OpTypeFloat 32 %v3float = OpTypeVector %float 3 %float_1 = OpConstant %float 1 %null = OpConstantNull %v3float ; CHECK: %11 = OpConstantNull %float ; CHECK: %12 = OpConstantComposite %v3float %11 %11 %float_1 %spec_0 = OpSpecConstantOp %v3float CompositeInsert %float_1 %null 2 ; CHECK: %float_1_0 = OpConstant %float 1 %spec_1 = OpSpecConstantOp %float CompositeExtract %spec_0 2 %1 = OpFunction %void None %3 %label = OpLabel OpReturn OpFunctionEnd )"; SinglePassRunAndMatch(test, false); } TEST_F(FoldSpecConstantOpAndCompositePassBasicTest, CompositeInsertNullVectorIntoMatrix) { const std::string test = R"( OpCapability Shader OpMemoryModel Logical GLSL450 OpEntryPoint GLCompute %1 "main" OpExecutionMode %1 LocalSize 1 1 1 %void = OpTypeVoid %3 = OpTypeFunction %void %float = OpTypeFloat 32 %v2float = OpTypeVector %float 2 %mat2v2float = OpTypeMatrix %v2float 2 %null = OpConstantNull %mat2v2float %float_1 = OpConstant %float 1 %float_2 = OpConstant %float 2 %v2float_12 = OpConstantComposite %v2float %float_1 %float_2 ; CHECK: %13 = OpConstantNull %v2float ; CHECK: %14 = OpConstantComposite %mat2v2float %10 %13 %spec_0 = OpSpecConstantOp %mat2v2float CompositeInsert %v2float_12 %null 0 %1 = OpFunction %void None %3 %label = OpLabel OpReturn OpFunctionEnd )"; SinglePassRunAndMatch(test, false); } TEST_F(FoldSpecConstantOpAndCompositePassBasicTest, CompositeInsertVectorKeepNull) { const std::string test = R"( OpCapability Shader OpMemoryModel Logical GLSL450 OpEntryPoint GLCompute %1 "main" OpExecutionMode %1 LocalSize 1 1 1 %void = OpTypeVoid %3 = OpTypeFunction %void %float = OpTypeFloat 32 %v3float = OpTypeVector %float 3 %float_0 = OpConstant %float 0 %null_float = OpConstantNull %float %null_vec = OpConstantNull %v3float ; CHECK: %15 = OpConstantComposite %v3float %7 %7 %float_0 %spec_0 = OpSpecConstantOp %v3float CompositeInsert %float_0 %null_vec 2 ; CHECK: %float_0_0 = OpConstant %float 0 %spec_1 = OpSpecConstantOp %float CompositeExtract %spec_0 2 ; CHECK: %17 = OpConstantComposite %v3float %7 %7 %7 %spec_2 = OpSpecConstantOp %v3float CompositeInsert %null_float %null_vec 2 ; CHECK: %18 = OpConstantNull %float %spec_3 = OpSpecConstantOp %float CompositeExtract %spec_2 2 %1 = OpFunction %void None %3 %label = OpLabel %add = OpFAdd %float %spec_3 %spec_3 OpReturn OpFunctionEnd )"; SinglePassRunAndMatch(test, false); } TEST_F(FoldSpecConstantOpAndCompositePassBasicTest, CompositeInsertVectorChainNull) { const std::string test = R"( OpCapability Shader OpMemoryModel Logical GLSL450 OpEntryPoint GLCompute %1 "main" OpExecutionMode %1 LocalSize 1 1 1 %void = OpTypeVoid %3 = OpTypeFunction %void %float = OpTypeFloat 32 %v3float = OpTypeVector %float 3 %float_1 = OpConstant %float 1 %null = OpConstantNull %v3float ; CHECK: %15 = OpConstantNull %float ; CHECK: %16 = OpConstantComposite %v3float %15 %15 %float_1 ; CHECK: %17 = OpConstantComposite %v3float %15 %float_1 %float_1 ; CHECK: %18 = OpConstantComposite %v3float %float_1 %float_1 %float_1 %spec_0 = OpSpecConstantOp %v3float CompositeInsert %float_1 %null 2 %spec_1 = OpSpecConstantOp %v3float CompositeInsert %float_1 %spec_0 1 %spec_2 = OpSpecConstantOp %v3float CompositeInsert %float_1 %spec_1 0 ; CHECK: %float_1_0 = OpConstant %float 1 ; CHECK: %float_1_1 = OpConstant %float 1 ; CHECK: %float_1_2 = OpConstant %float 1 %spec_3 = OpSpecConstantOp %float CompositeExtract %spec_2 0 %spec_4 = OpSpecConstantOp %float CompositeExtract %spec_2 1 %spec_5 = OpSpecConstantOp %float CompositeExtract %spec_2 2 %1 = OpFunction %void None %3 %label = OpLabel OpReturn OpFunctionEnd )"; SinglePassRunAndMatch(test, false); } TEST_F(FoldSpecConstantOpAndCompositePassBasicTest, CompositeInsertVectorChainReset) { const std::string test = R"( OpCapability Shader OpMemoryModel Logical GLSL450 OpEntryPoint GLCompute %1 "main" OpExecutionMode %1 LocalSize 1 1 1 %void = OpTypeVoid %3 = OpTypeFunction %void %float = OpTypeFloat 32 %v3float = OpTypeVector %float 3 %float_1 = OpConstant %float 1 %null = OpConstantNull %float ; CHECK: %8 = OpConstantComposite %v3float %7 %7 %float_1 %spec_0 = OpConstantComposite %v3float %null %null %float_1 ; set to null ; CHECK: %13 = OpConstantComposite %v3float %7 %7 %7 %spec_1 = OpSpecConstantOp %v3float CompositeInsert %null %spec_0 2 ; set to back to original value ; CHECK: %14 = OpConstantComposite %v3float %7 %7 %float_1 %spec_2 = OpSpecConstantOp %v3float CompositeInsert %float_1 %spec_1 2 ; CHECK: %float_1_0 = OpConstant %float 1 %spec_3 = OpSpecConstantOp %float CompositeExtract %spec_2 2 %1 = OpFunction %void None %3 %label = OpLabel OpReturn OpFunctionEnd )"; SinglePassRunAndMatch(test, false); } TEST_F(FoldSpecConstantOpAndCompositePassBasicTest, CompositeInsertMatrixNull) { const std::string test = R"( OpCapability Shader OpMemoryModel Logical GLSL450 OpEntryPoint GLCompute %main "main" OpExecutionMode %main LocalSize 1 1 1 %void = OpTypeVoid %func = OpTypeFunction %void %float = OpTypeFloat 32 %int = OpTypeInt 32 0 %v2float = OpTypeVector %float 2 %mat2v2float = OpTypeMatrix %v2float 2 %null = OpConstantNull %mat2v2float %float_1 = OpConstant %float 1 ; CHECK: %13 = OpConstantNull %v2float ; CHECK: %14 = OpConstantNull %float ; CHECK: %15 = OpConstantComposite %v2float %float_1 %14 ; CHECK: %16 = OpConstantComposite %mat2v2float %13 %15 %spec = OpSpecConstantOp %mat2v2float CompositeInsert %float_1 %null 1 0 ; extra type def to make sure new type def are not just thrown at end %v2int = OpTypeVector %int 2 %main = OpFunction %void None %func %label = OpLabel OpReturn OpFunctionEnd )"; SinglePassRunAndMatch(test, false); } // Silently ignore spec constants that cannot be folded TEST_F(FoldSpecConstantOpAndCompositePassBasicTest, UnfoldableOp) { const std::string test = R"( OpCapability Shader OpCapability SignedZeroInfNanPreserve OpExtension "SPV_KHR_float_controls" OpMemoryModel Logical GLSL450 OpEntryPoint Vertex %main "main" OpSource GLSL 450 OpDecorate %v SpecId 1 %void = OpTypeVoid %3 = OpTypeFunction %void %float = OpTypeFloat 32 %v = OpConstant %float 0x1p-1 %c = OpSpecConstantOp %float QuantizeToF16 %v ;CHECK: {{%\w+}} = OpSpecConstantOp {{%\w+}} QuantizeToF16 {{%\w+}} %main = OpFunction %void None %3 %5 = OpLabel OpReturn OpFunctionEnd )"; SinglePassRunAndMatch(test, false); } // All types and some common constants that are potentially required in // FoldSpecConstantOpAndCompositeTest. std::vector CommonTypesAndConstants() { return std::vector{ // clang-format off // scalar types "%bool = OpTypeBool", "%ushort = OpTypeInt 16 0", "%short = OpTypeInt 16 1", "%uint = OpTypeInt 32 0", "%int = OpTypeInt 32 1", "%ulong = OpTypeInt 64 0", "%long = OpTypeInt 64 1", "%float = OpTypeFloat 32", "%double = OpTypeFloat 64", // vector types "%v2bool = OpTypeVector %bool 2", "%v2uint = OpTypeVector %uint 2", "%v2int = OpTypeVector %int 2", "%v3int = OpTypeVector %int 3", "%v4int = OpTypeVector %int 4", "%v2long = OpTypeVector %long 2", "%v2ulong = OpTypeVector %ulong 2", "%v2float = OpTypeVector %float 2", "%v2double = OpTypeVector %double 2", // variable pointer types "%_pf_bool = OpTypePointer Function %bool", "%_pf_uint = OpTypePointer Function %uint", "%_pf_int = OpTypePointer Function %int", "%_pf_float = OpTypePointer Function %float", "%_pf_double = OpTypePointer Function %double", "%_pf_v2int = OpTypePointer Function %v2int", "%_pf_v2float = OpTypePointer Function %v2float", "%_pf_v2double = OpTypePointer Function %v2double", // struct types "%inner_struct = OpTypeStruct %bool %int %float", "%outer_struct = OpTypeStruct %inner_struct %int", "%flat_struct = OpTypeStruct %bool %int %float", // common constants // scalar constants: "%bool_true = OpConstantTrue %bool", "%bool_false = OpConstantFalse %bool", "%bool_null = OpConstantNull %bool", "%signed_zero = OpConstant %int 0", "%unsigned_zero = OpConstant %uint 0", "%long_zero = OpConstant %long 0", "%ulong_zero = OpConstant %ulong 0", "%signed_one = OpConstant %int 1", "%unsigned_one = OpConstant %uint 1", "%signed_two = OpConstant %int 2", "%unsigned_two = OpConstant %uint 2", "%signed_three = OpConstant %int 3", "%unsigned_three = OpConstant %uint 3", "%signed_null = OpConstantNull %int", "%unsigned_null = OpConstantNull %uint", "%signed_minus_one = OpConstant %int -1", // vector constants: "%bool_true_vec = OpConstantComposite %v2bool %bool_true %bool_true", "%bool_false_vec = OpConstantComposite %v2bool %bool_false %bool_false", "%bool_null_vec = OpConstantNull %v2bool", "%signed_zero_vec = OpConstantComposite %v2int %signed_zero %signed_zero", "%unsigned_zero_vec = OpConstantComposite %v2uint %unsigned_zero %unsigned_zero", "%signed_one_vec = OpConstantComposite %v2int %signed_one %signed_one", "%unsigned_one_vec = OpConstantComposite %v2uint %unsigned_one %unsigned_one", "%signed_two_vec = OpConstantComposite %v2int %signed_two %signed_two", "%unsigned_two_vec = OpConstantComposite %v2uint %unsigned_two %unsigned_two", "%signed_three_vec = OpConstantComposite %v2int %signed_three %signed_three", "%unsigned_three_vec = OpConstantComposite %v2uint %unsigned_three %unsigned_three", "%signed_null_vec = OpConstantNull %v2int", "%unsigned_null_vec = OpConstantNull %v2uint", "%signed_minus_one_vec = OpConstantComposite %v2int %signed_minus_one %signed_minus_one", "%v4int_0_1_2_3 = OpConstantComposite %v4int %signed_zero %signed_one %signed_two %signed_three", // clang-format on }; } // A helper function to strip OpName instructions from the given string of // disassembly code. Returns the string with all OpName instruction stripped. std::string StripOpNameInstructions(const std::string& str) { std::stringstream ss(str); std::ostringstream oss; std::string inst_str; while (std::getline(ss, inst_str, '\n')) { if (inst_str.find("OpName %") == std::string::npos) { oss << inst_str << '\n'; } } return oss.str(); } struct FoldSpecConstantOpAndCompositePassTestCase { // Original constants with unfolded spec constants. std::vector original; // Expected constant after folding. std::vector expected; }; using FoldSpecConstantOpAndCompositePassTest = PassTest< ::testing::TestWithParam>; TEST_P(FoldSpecConstantOpAndCompositePassTest, ParamTestCase) { AssemblyBuilder test_code_builder, expected_code_builder; const auto& tc = GetParam(); test_code_builder.AppendTypesConstantsGlobals(CommonTypesAndConstants()); test_code_builder.AppendTypesConstantsGlobals(tc.original); expected_code_builder.AppendTypesConstantsGlobals(CommonTypesAndConstants()); expected_code_builder.AppendTypesConstantsGlobals(tc.expected); const std::string original = test_code_builder.GetCode(); const std::string expected = expected_code_builder.GetCode(); // Run the optimization and get the result code in disassembly. std::string optimized; auto status = Pass::Status::SuccessWithoutChange; std::tie(optimized, status) = SinglePassRunAndDisassemble( original, /* skip_nop = */ true, /* do_validation = */ false); // Check the optimized code, but ignore the OpName instructions. EXPECT_NE(Pass::Status::Failure, status); EXPECT_EQ( StripOpNameInstructions(expected) == StripOpNameInstructions(original), status == Pass::Status::SuccessWithoutChange); EXPECT_EQ(StripOpNameInstructions(expected), StripOpNameInstructions(optimized)); } // Tests that OpSpecConstantComposite opcodes are replace with // OpConstantComposite correctly. INSTANTIATE_TEST_SUITE_P( Composite, FoldSpecConstantOpAndCompositePassTest, ::testing::ValuesIn(std::vector< FoldSpecConstantOpAndCompositePassTestCase>({ // clang-format off // normal vector { // original { "%spec_v2bool = OpSpecConstantComposite %v2bool %bool_true %bool_false", "%spec_v2uint = OpSpecConstantComposite %v2uint %unsigned_one %unsigned_one", "%spec_v2int_a = OpSpecConstantComposite %v2int %signed_one %signed_two", // Spec constants whose value can not be fully resolved should // not be processed. "%spec_int = OpSpecConstant %int 99", "%spec_v2int_b = OpSpecConstantComposite %v2int %signed_one %spec_int", }, // expected { "%spec_v2bool = OpConstantComposite %v2bool %bool_true %bool_false", "%spec_v2uint = OpConstantComposite %v2uint %unsigned_one %unsigned_one", "%spec_v2int_a = OpConstantComposite %v2int %signed_one %signed_two", "%spec_int = OpSpecConstant %int 99", "%spec_v2int_b = OpSpecConstantComposite %v2int %signed_one %spec_int", }, }, // vector with null constants { // original { "%null_bool = OpConstantNull %bool", "%null_int = OpConstantNull %int", "%spec_v2bool = OpSpecConstantComposite %v2bool %null_bool %null_bool", "%spec_v3int = OpSpecConstantComposite %v3int %null_int %null_int %null_int", "%spec_v4int = OpSpecConstantComposite %v4int %null_int %null_int %null_int %null_int", }, // expected { "%null_bool = OpConstantNull %bool", "%null_int = OpConstantNull %int", "%spec_v2bool = OpConstantComposite %v2bool %null_bool %null_bool", "%spec_v3int = OpConstantComposite %v3int %null_int %null_int %null_int", "%spec_v4int = OpConstantComposite %v4int %null_int %null_int %null_int %null_int", }, }, // flat struct { // original { "%float_1 = OpConstant %float 1", "%flat_1 = OpSpecConstantComposite %flat_struct %bool_true %signed_null %float_1", // following struct should not be folded as the value of // %spec_float is not determined. "%spec_float = OpSpecConstant %float 1", "%flat_2 = OpSpecConstantComposite %flat_struct %bool_true %signed_one %spec_float", }, // expected { "%float_1 = OpConstant %float 1", "%flat_1 = OpConstantComposite %flat_struct %bool_true %signed_null %float_1", "%spec_float = OpSpecConstant %float 1", "%flat_2 = OpSpecConstantComposite %flat_struct %bool_true %signed_one %spec_float", } }, // nested struct { // original { "%float_1 = OpConstant %float 1", "%inner_1 = OpSpecConstantComposite %inner_struct %bool_true %signed_null %float_1", "%outer_1 = OpSpecConstantComposite %outer_struct %inner_1 %signed_one", // following structs should not be folded as the value of // %spec_float is not determined. "%spec_float = OpSpecConstant %float 1", "%inner_2 = OpSpecConstantComposite %inner_struct %bool_true %signed_null %spec_float", "%outer_2 = OpSpecConstantComposite %outer_struct %inner_2 %signed_one", }, // expected { "%float_1 = OpConstant %float 1", "%inner_1 = OpConstantComposite %inner_struct %bool_true %signed_null %float_1", "%outer_1 = OpConstantComposite %outer_struct %inner_1 %signed_one", "%spec_float = OpSpecConstant %float 1", "%inner_2 = OpSpecConstantComposite %inner_struct %bool_true %signed_null %spec_float", "%outer_2 = OpSpecConstantComposite %outer_struct %inner_2 %signed_one", } }, // composite constants touched by OpUndef should be skipped { // original { "%undef = OpUndef %float", "%inner = OpConstantComposite %inner_struct %bool_true %signed_one %undef", "%outer = OpSpecConstantComposite %outer_struct %inner %signed_one", }, // expected { "%undef = OpUndef %float", "%inner = OpConstantComposite %inner_struct %bool_true %signed_one %undef", "%outer = OpSpecConstantComposite %outer_struct %inner %signed_one", }, }, // Fold an QuantizetoF16 instruction { // original { "%float_1 = OpConstant %float 1", "%quant_float = OpSpecConstantOp %float QuantizeToF16 %float_1", }, // expected { "%float_1 = OpConstant %float 1", "%quant_float = OpConstant %float 1", }, } // clang-format on }))); // Tests for operations that resulting in different types. INSTANTIATE_TEST_SUITE_P( Cast, FoldSpecConstantOpAndCompositePassTest, ::testing::ValuesIn(std::vector< FoldSpecConstantOpAndCompositePassTestCase>({ // clang-format off // int -> bool scalar { // original { "%spec_bool_t = OpSpecConstantOp %bool INotEqual %signed_three %signed_zero", "%spec_bool_f = OpSpecConstantOp %bool INotEqual %signed_zero %signed_zero", "%spec_bool_from_null = OpSpecConstantOp %bool INotEqual %signed_null %signed_zero", }, // expected { "%spec_bool_t = OpConstantTrue %bool", "%spec_bool_f = OpConstantFalse %bool", "%spec_bool_from_null = OpConstantFalse %bool", }, }, // uint -> bool scalar { // original { "%spec_bool_t = OpSpecConstantOp %bool INotEqual %unsigned_three %unsigned_zero", "%spec_bool_f = OpSpecConstantOp %bool INotEqual %unsigned_zero %unsigned_zero", "%spec_bool_from_null = OpSpecConstantOp %bool INotEqual %unsigned_null %unsigned_zero", }, // expected { "%spec_bool_t = OpConstantTrue %bool", "%spec_bool_f = OpConstantFalse %bool", "%spec_bool_from_null = OpConstantFalse %bool", }, }, // bool -> int scalar { // original { "%spec_int_one = OpSpecConstantOp %int Select %bool_true %signed_one %signed_zero", "%spec_int_zero = OpSpecConstantOp %int Select %bool_false %signed_one %signed_zero", "%spec_int_from_null = OpSpecConstantOp %int Select %bool_null %signed_one %signed_zero", }, // expected { "%spec_int_one = OpConstant %int 1", "%spec_int_zero = OpConstant %int 0", "%spec_int_from_null = OpConstant %int 0", }, }, // uint -> int scalar { // original { "%spec_int_one = OpSpecConstantOp %int IAdd %unsigned_one %signed_zero", "%spec_int_zero = OpSpecConstantOp %int IAdd %unsigned_zero %signed_zero", "%spec_int_from_null = OpSpecConstantOp %int IAdd %unsigned_null %unsigned_zero", }, // expected { "%spec_int_one = OpConstant %int 1", "%spec_int_zero = OpConstant %int 0", "%spec_int_from_null = OpConstant %int 0", }, }, // bool -> uint scalar { // original { "%spec_uint_one = OpSpecConstantOp %uint Select %bool_true %unsigned_one %unsigned_zero", "%spec_uint_zero = OpSpecConstantOp %uint Select %bool_false %unsigned_one %unsigned_zero", "%spec_uint_from_null = OpSpecConstantOp %uint Select %bool_null %unsigned_one %unsigned_zero", }, // expected { "%spec_uint_one = OpConstant %uint 1", "%spec_uint_zero = OpConstant %uint 0", "%spec_uint_from_null = OpConstant %uint 0", }, }, // int -> uint scalar { // original { "%spec_uint_one = OpSpecConstantOp %uint IAdd %signed_one %unsigned_zero", "%spec_uint_zero = OpSpecConstantOp %uint IAdd %signed_zero %unsigned_zero", "%spec_uint_from_null = OpSpecConstantOp %uint IAdd %signed_null %unsigned_zero", }, // expected { "%spec_uint_one = OpConstant %uint 1", "%spec_uint_zero = OpConstant %uint 0", "%spec_uint_from_null = OpConstant %uint 0", }, }, // int -> bool vector { // original { "%spec_bool_t_vec = OpSpecConstantOp %v2bool INotEqual %signed_three_vec %signed_zero_vec", "%spec_bool_f_vec = OpSpecConstantOp %v2bool INotEqual %signed_zero_vec %signed_zero_vec", "%spec_bool_from_null = OpSpecConstantOp %v2bool INotEqual %signed_null_vec %signed_zero_vec", }, // expected { "%spec_bool_t_vec = OpConstantComposite %v2bool %bool_true %bool_true", "%spec_bool_f_vec = OpConstantComposite %v2bool %bool_false %bool_false", "%spec_bool_from_null = OpConstantComposite %v2bool %bool_false %bool_false", }, }, // uint -> bool vector { // original { "%spec_bool_t_vec = OpSpecConstantOp %v2bool INotEqual %unsigned_three_vec %unsigned_zero_vec", "%spec_bool_f_vec = OpSpecConstantOp %v2bool INotEqual %unsigned_zero_vec %unsigned_zero_vec", "%spec_bool_from_null = OpSpecConstantOp %v2bool INotEqual %unsigned_null_vec %unsigned_zero_vec", }, // expected { "%spec_bool_t_vec = OpConstantComposite %v2bool %bool_true %bool_true", "%spec_bool_f_vec = OpConstantComposite %v2bool %bool_false %bool_false", "%spec_bool_from_null = OpConstantComposite %v2bool %bool_false %bool_false", }, }, // bool -> int vector { // original { "%spec_int_one_vec = OpSpecConstantOp %v2int Select %bool_true_vec %signed_one_vec %signed_zero_vec", "%spec_int_zero_vec = OpSpecConstantOp %v2int Select %bool_false_vec %signed_one_vec %signed_zero_vec", "%spec_int_from_null = OpSpecConstantOp %v2int Select %bool_null_vec %signed_one_vec %signed_zero_vec", }, // expected { "%spec_int_one_vec = OpConstantComposite %v2int %signed_one %signed_one", "%spec_int_zero_vec = OpConstantComposite %v2int %signed_zero %signed_zero", "%spec_int_from_null = OpConstantComposite %v2int %signed_zero %signed_zero", }, }, // uint -> int vector { // original { "%spec_int_one_vec = OpSpecConstantOp %v2int IAdd %unsigned_one_vec %signed_zero_vec", "%spec_int_zero_vec = OpSpecConstantOp %v2int IAdd %unsigned_zero_vec %signed_zero_vec", "%spec_int_from_null = OpSpecConstantOp %v2int IAdd %unsigned_null_vec %signed_zero_vec", }, // expected { "%spec_int_one_vec = OpConstantComposite %v2int %signed_one %signed_one", "%spec_int_zero_vec = OpConstantComposite %v2int %signed_zero %signed_zero", "%spec_int_from_null = OpConstantComposite %v2int %signed_zero %signed_zero", }, }, // bool -> uint vector { // original { "%spec_uint_one_vec = OpSpecConstantOp %v2uint Select %bool_true_vec %unsigned_one_vec %unsigned_zero_vec", "%spec_uint_zero_vec = OpSpecConstantOp %v2uint Select %bool_false_vec %unsigned_one_vec %unsigned_zero_vec", "%spec_uint_from_null = OpSpecConstantOp %v2uint Select %bool_null_vec %unsigned_one_vec %unsigned_zero_vec", }, // expected { "%spec_uint_one_vec = OpConstantComposite %v2uint %unsigned_one %unsigned_one", "%spec_uint_zero_vec = OpConstantComposite %v2uint %unsigned_zero %unsigned_zero", "%spec_uint_from_null = OpConstantComposite %v2uint %unsigned_zero %unsigned_zero", }, }, // int -> uint vector { // original { "%spec_uint_one_vec = OpSpecConstantOp %v2uint IAdd %signed_one_vec %unsigned_zero_vec", "%spec_uint_zero_vec = OpSpecConstantOp %v2uint IAdd %signed_zero_vec %unsigned_zero_vec", "%spec_uint_from_null = OpSpecConstantOp %v2uint IAdd %signed_null_vec %unsigned_zero_vec", }, // expected { "%spec_uint_one_vec = OpConstantComposite %v2uint %unsigned_one %unsigned_one", "%spec_uint_zero_vec = OpConstantComposite %v2uint %unsigned_zero %unsigned_zero", "%spec_uint_from_null = OpConstantComposite %v2uint %unsigned_zero %unsigned_zero", }, }, // UConvert scalar { // original { "%spec_ulong_zero = OpSpecConstantOp %ulong UConvert %unsigned_zero", "%spec_ulong_one = OpSpecConstantOp %ulong UConvert %unsigned_one", "%spec_short_zero = OpSpecConstantOp %ushort UConvert %unsigned_zero", "%spec_short_one = OpSpecConstantOp %ushort UConvert %unsigned_one", "%uint_max = OpConstant %uint 4294967295", "%spec_ushort_max = OpSpecConstantOp %ushort UConvert %uint_max", "%uint_0xDDDDDDDD = OpConstant %uint 3722304989", "%spec_ushort_0xDDDD = OpSpecConstantOp %ushort UConvert %uint_0xDDDDDDDD", }, // expected { "%spec_ulong_zero = OpConstant %ulong 0", "%spec_ulong_one = OpConstant %ulong 1", "%spec_short_zero = OpConstant %ushort 0", "%spec_short_one = OpConstant %ushort 1", "%uint_max = OpConstant %uint 4294967295", "%spec_ushort_max = OpConstant %ushort 65535", "%uint_0xDDDDDDDD = OpConstant %uint 3722304989", "%spec_ushort_0xDDDD = OpConstant %ushort 56797", }, }, // SConvert scalar { // original { "%spec_long_zero = OpSpecConstantOp %long SConvert %signed_zero", "%spec_long_one = OpSpecConstantOp %long SConvert %signed_one", "%spec_long_minus_one = OpSpecConstantOp %long SConvert %signed_minus_one", "%spec_short_minus_one_trunc = OpSpecConstantOp %short SConvert %signed_minus_one", "%int_2_to_17_minus_one = OpConstant %int 131071", "%spec_short_minus_one_trunc2 = OpSpecConstantOp %short SConvert %int_2_to_17_minus_one", }, // expected { "%spec_long_zero = OpConstant %long 0", "%spec_long_one = OpConstant %long 1", "%spec_long_minus_one = OpConstant %long -1", "%spec_short_minus_one_trunc = OpConstant %short -1", "%int_2_to_17_minus_one = OpConstant %int 131071", "%spec_short_minus_one_trunc2 = OpConstant %short -1", }, }, // UConvert vector { // original { "%spec_v2ulong_zero = OpSpecConstantOp %v2ulong UConvert %unsigned_zero_vec", "%spec_v2ulong_one = OpSpecConstantOp %v2ulong UConvert %unsigned_one_vec", }, // expected { "%spec_v2ulong_zero = OpConstantComposite %v2ulong %ulong_zero %ulong_zero", "%ulong_1 = OpConstant %ulong 1", "%spec_v2ulong_one = OpConstantComposite %v2ulong %ulong_1 %ulong_1", }, }, // SConvert vector { // original { "%spec_v2long_zero = OpSpecConstantOp %v2long SConvert %signed_zero_vec", "%spec_v2long_one = OpSpecConstantOp %v2long SConvert %signed_one_vec", "%spec_v2long_minus_one = OpSpecConstantOp %v2long SConvert %signed_minus_one_vec", }, // expected { "%spec_v2long_zero = OpConstantComposite %v2long %long_zero %long_zero", "%long_1 = OpConstant %long 1", "%spec_v2long_one = OpConstantComposite %v2long %long_1 %long_1", "%long_n1 = OpConstant %long -1", "%spec_v2long_minus_one = OpConstantComposite %v2long %long_n1 %long_n1", }, }, // clang-format on }))); // Tests about boolean scalar logical operations and comparison operations with // scalar int/uint type. INSTANTIATE_TEST_SUITE_P( Logical, FoldSpecConstantOpAndCompositePassTest, ::testing::ValuesIn(std::vector< FoldSpecConstantOpAndCompositePassTestCase>({ // clang-format off // scalar integer comparison { // original { "%int_minus_1 = OpConstant %int -1", "%slt_0_1 = OpSpecConstantOp %bool SLessThan %signed_zero %signed_one", "%sgt_0_1 = OpSpecConstantOp %bool SGreaterThan %signed_zero %signed_one", "%sle_2_2 = OpSpecConstantOp %bool SLessThanEqual %signed_two %signed_two", "%sge_2_1 = OpSpecConstantOp %bool SGreaterThanEqual %signed_two %signed_one", "%sge_2_null = OpSpecConstantOp %bool SGreaterThanEqual %signed_two %signed_null", "%sge_minus_1_null = OpSpecConstantOp %bool SGreaterThanEqual %int_minus_1 %signed_null", "%ult_0_1 = OpSpecConstantOp %bool ULessThan %unsigned_zero %unsigned_one", "%ugt_0_1 = OpSpecConstantOp %bool UGreaterThan %unsigned_zero %unsigned_one", "%ule_2_3 = OpSpecConstantOp %bool ULessThanEqual %unsigned_two %unsigned_three", "%uge_1_1 = OpSpecConstantOp %bool UGreaterThanEqual %unsigned_one %unsigned_one", "%uge_2_null = OpSpecConstantOp %bool UGreaterThanEqual %unsigned_two %unsigned_null", "%uge_minus_1_null = OpSpecConstantOp %bool UGreaterThanEqual %int_minus_1 %unsigned_null", }, // expected { "%int_minus_1 = OpConstant %int -1", "%slt_0_1 = OpConstantTrue %bool", "%sgt_0_1 = OpConstantFalse %bool", "%sle_2_2 = OpConstantTrue %bool", "%sge_2_1 = OpConstantTrue %bool", "%sge_2_null = OpConstantTrue %bool", "%sge_minus_1_null = OpConstantFalse %bool", "%ult_0_1 = OpConstantTrue %bool", "%ugt_0_1 = OpConstantFalse %bool", "%ule_2_3 = OpConstantTrue %bool", "%uge_1_1 = OpConstantTrue %bool", "%uge_2_null = OpConstantTrue %bool", "%uge_minus_1_null = OpConstantTrue %bool", }, }, // Logical and, or, xor. { // original { "%logical_or = OpSpecConstantOp %bool LogicalOr %bool_true %bool_false", "%logical_and = OpSpecConstantOp %bool LogicalAnd %bool_true %bool_false", "%logical_not = OpSpecConstantOp %bool LogicalNot %bool_true", "%logical_eq = OpSpecConstantOp %bool LogicalEqual %bool_true %bool_true", "%logical_neq = OpSpecConstantOp %bool LogicalNotEqual %bool_true %bool_true", "%logical_and_null = OpSpecConstantOp %bool LogicalAnd %bool_true %bool_null", }, // expected { "%logical_or = OpConstantTrue %bool", "%logical_and = OpConstantFalse %bool", "%logical_not = OpConstantFalse %bool", "%logical_eq = OpConstantTrue %bool", "%logical_neq = OpConstantFalse %bool", "%logical_and_null = OpConstantFalse %bool", }, }, // clang-format on }))); // Tests about arithmetic operations for scalar int and uint types. INSTANTIATE_TEST_SUITE_P( ScalarArithmetic, FoldSpecConstantOpAndCompositePassTest, ::testing::ValuesIn(std::vector< FoldSpecConstantOpAndCompositePassTestCase>({ // clang-format off // scalar integer negate { // original { "%int_minus_1 = OpSpecConstantOp %int SNegate %signed_one", "%int_minus_2 = OpSpecConstantOp %int SNegate %signed_two", "%int_neg_null = OpSpecConstantOp %int SNegate %signed_null", "%int_max = OpConstant %int 2147483647", "%int_neg_max = OpSpecConstantOp %int SNegate %int_max", }, // expected { "%int_minus_1 = OpConstant %int -1", "%int_minus_2 = OpConstant %int -2", "%int_neg_null = OpConstantNull %int", "%int_max = OpConstant %int 2147483647", "%int_neg_max = OpConstant %int -2147483647", }, }, // scalar integer not { // original { "%uint_4294967294 = OpSpecConstantOp %uint Not %unsigned_one", "%uint_4294967293 = OpSpecConstantOp %uint Not %unsigned_two", "%uint_neg_null = OpSpecConstantOp %uint Not %unsigned_null", }, // expected { "%uint_4294967294 = OpConstant %uint 4294967294", "%uint_4294967293 = OpConstant %uint 4294967293", "%uint_neg_null = OpConstant %uint 4294967295", }, }, // scalar integer add, sub, mul, div { // original { "%signed_max = OpConstant %int 2147483647", "%signed_min = OpConstant %int -2147483648", "%spec_int_iadd = OpSpecConstantOp %int IAdd %signed_three %signed_two", "%spec_int_isub = OpSpecConstantOp %int ISub %signed_one %spec_int_iadd", "%spec_int_sdiv = OpSpecConstantOp %int SDiv %spec_int_isub %signed_two", "%spec_int_imul = OpSpecConstantOp %int IMul %spec_int_sdiv %signed_three", "%spec_int_iadd_null = OpSpecConstantOp %int IAdd %spec_int_imul %signed_null", "%spec_int_imul_null = OpSpecConstantOp %int IMul %spec_int_iadd_null %signed_null", "%spec_int_iadd_overflow = OpSpecConstantOp %int IAdd %signed_max %signed_three", "%spec_int_isub_overflow = OpSpecConstantOp %int ISub %signed_min %signed_three", "%spec_uint_iadd = OpSpecConstantOp %uint IAdd %unsigned_three %unsigned_two", "%spec_uint_isub = OpSpecConstantOp %uint ISub %unsigned_one %spec_uint_iadd", "%spec_uint_udiv = OpSpecConstantOp %uint UDiv %spec_uint_isub %unsigned_three", "%spec_uint_imul = OpSpecConstantOp %uint IMul %spec_uint_udiv %unsigned_two", "%spec_uint_isub_null = OpSpecConstantOp %uint ISub %spec_uint_imul %signed_null", }, // expected { "%signed_max = OpConstant %int 2147483647", "%signed_min = OpConstant %int -2147483648", "%spec_int_iadd = OpConstant %int 5", "%spec_int_isub = OpConstant %int -4", "%spec_int_sdiv = OpConstant %int -2", "%spec_int_imul = OpConstant %int -6", "%spec_int_iadd_null = OpConstant %int -6", "%spec_int_imul_null = OpConstant %int 0", "%spec_int_iadd_overflow = OpConstant %int -2147483646", "%spec_int_isub_overflow = OpConstant %int 2147483645", "%spec_uint_iadd = OpConstant %uint 5", "%spec_uint_isub = OpConstant %uint 4294967292", "%spec_uint_udiv = OpConstant %uint 1431655764", "%spec_uint_imul = OpConstant %uint 2863311528", "%spec_uint_isub_null = OpConstant %uint 2863311528", }, }, // scalar integer rem, mod { // original { // common constants "%int_7 = OpConstant %int 7", "%uint_7 = OpConstant %uint 7", "%int_minus_7 = OpConstant %int -7", "%int_minus_3 = OpConstant %int -3", // srem "%7_srem_3 = OpSpecConstantOp %int SRem %int_7 %signed_three", "%minus_7_srem_3 = OpSpecConstantOp %int SRem %int_minus_7 %signed_three", "%7_srem_minus_3 = OpSpecConstantOp %int SRem %int_7 %int_minus_3", "%minus_7_srem_minus_3 = OpSpecConstantOp %int SRem %int_minus_7 %int_minus_3", // smod "%7_smod_3 = OpSpecConstantOp %int SMod %int_7 %signed_three", "%minus_7_smod_3 = OpSpecConstantOp %int SMod %int_minus_7 %signed_three", "%7_smod_minus_3 = OpSpecConstantOp %int SMod %int_7 %int_minus_3", "%minus_7_smod_minus_3 = OpSpecConstantOp %int SMod %int_minus_7 %int_minus_3", // umod "%7_umod_3 = OpSpecConstantOp %uint UMod %uint_7 %unsigned_three", // null constant "%null_srem_3 = OpSpecConstantOp %int SRem %signed_null %signed_three", "%null_smod_3 = OpSpecConstantOp %int SMod %signed_null %signed_three", "%null_umod_3 = OpSpecConstantOp %uint UMod %unsigned_null %unsigned_three", }, // expected { // common constants "%int_7 = OpConstant %int 7", "%uint_7 = OpConstant %uint 7", "%int_minus_7 = OpConstant %int -7", "%int_minus_3 = OpConstant %int -3", // srem "%7_srem_3 = OpConstant %int 1", "%minus_7_srem_3 = OpConstant %int -1", "%7_srem_minus_3 = OpConstant %int 1", "%minus_7_srem_minus_3 = OpConstant %int -1", // smod "%7_smod_3 = OpConstant %int 1", "%minus_7_smod_3 = OpConstant %int 2", "%7_smod_minus_3 = OpConstant %int -2", "%minus_7_smod_minus_3 = OpConstant %int -1", // umod "%7_umod_3 = OpConstant %uint 1", // null constant "%null_srem_3 = OpConstant %int 0", "%null_smod_3 = OpConstant %int 0", "%null_umod_3 = OpConstant %uint 0", }, }, // scalar integer bitwise and shift { // original { // bitwise "%xor_1_3 = OpSpecConstantOp %int BitwiseXor %signed_one %signed_three", "%and_1_2 = OpSpecConstantOp %int BitwiseAnd %signed_one %xor_1_3", "%or_1_2 = OpSpecConstantOp %int BitwiseOr %signed_one %xor_1_3", "%xor_3_null = OpSpecConstantOp %int BitwiseXor %or_1_2 %signed_null", // shift "%unsigned_31 = OpConstant %uint 31", "%unsigned_left_shift_max = OpSpecConstantOp %uint ShiftLeftLogical %unsigned_one %unsigned_31", "%unsigned_right_shift_logical = OpSpecConstantOp %uint ShiftRightLogical %unsigned_left_shift_max %unsigned_31", "%signed_right_shift_arithmetic = OpSpecConstantOp %int ShiftRightArithmetic %unsigned_left_shift_max %unsigned_31", "%left_shift_null_31 = OpSpecConstantOp %uint ShiftLeftLogical %unsigned_null %unsigned_31", "%right_shift_31_null = OpSpecConstantOp %uint ShiftRightLogical %unsigned_31 %unsigned_null", }, // expected { "%xor_1_3 = OpConstant %int 2", "%and_1_2 = OpConstant %int 0", "%or_1_2 = OpConstant %int 3", "%xor_3_null = OpConstant %int 3", "%unsigned_31 = OpConstant %uint 31", "%unsigned_left_shift_max = OpConstant %uint 2147483648", "%unsigned_right_shift_logical = OpConstant %uint 1", "%signed_right_shift_arithmetic = OpConstant %int -1", "%left_shift_null_31 = OpConstant %uint 0", "%right_shift_31_null = OpConstant %uint 31", }, }, // Skip folding if any operands have undetermined value. { // original { "%spec_int = OpSpecConstant %int 1", "%spec_iadd = OpSpecConstantOp %int IAdd %signed_three %spec_int", }, // expected { "%spec_int = OpSpecConstant %int 1", "%spec_iadd = OpSpecConstantOp %int IAdd %signed_three %spec_int", }, }, // clang-format on }))); // Tests about arithmetic operations for vector int and uint types. INSTANTIATE_TEST_SUITE_P( VectorArithmetic, FoldSpecConstantOpAndCompositePassTest, ::testing::ValuesIn(std::vector< FoldSpecConstantOpAndCompositePassTestCase>({ // clang-format off // vector integer negate { // original { "%v2int_minus_1 = OpSpecConstantOp %v2int SNegate %signed_one_vec", "%v2int_minus_2 = OpSpecConstantOp %v2int SNegate %signed_two_vec", "%v2int_neg_null = OpSpecConstantOp %v2int SNegate %signed_null_vec", }, // expected { "%v2int_minus_1 = OpConstantComposite %v2int %signed_minus_one %signed_minus_one", "%int_n2 = OpConstant %int -2", "%v2int_minus_2 = OpConstantComposite %v2int %int_n2 %int_n2", "%v2int_neg_null = OpConstantComposite %v2int %signed_null %signed_null", }, }, // vector integer (including null vetors) add, sub, div, mul { // original { "%spec_v2int_iadd = OpSpecConstantOp %v2int IAdd %signed_three_vec %signed_two_vec", "%spec_v2int_isub = OpSpecConstantOp %v2int ISub %signed_one_vec %spec_v2int_iadd", "%spec_v2int_sdiv = OpSpecConstantOp %v2int SDiv %spec_v2int_isub %signed_two_vec", "%spec_v2int_imul = OpSpecConstantOp %v2int IMul %spec_v2int_sdiv %signed_three_vec", "%spec_v2int_iadd_null = OpSpecConstantOp %v2int IAdd %spec_v2int_imul %signed_null_vec", "%spec_v2uint_iadd = OpSpecConstantOp %v2uint IAdd %unsigned_three_vec %unsigned_two_vec", "%spec_v2uint_isub = OpSpecConstantOp %v2uint ISub %unsigned_one_vec %spec_v2uint_iadd", "%spec_v2uint_udiv = OpSpecConstantOp %v2uint UDiv %spec_v2uint_isub %unsigned_three_vec", "%spec_v2uint_imul = OpSpecConstantOp %v2uint IMul %spec_v2uint_udiv %unsigned_two_vec", "%spec_v2uint_isub_null = OpSpecConstantOp %v2uint ISub %spec_v2uint_imul %signed_null_vec", }, // expected { "%int_5 = OpConstant %int 5", "%spec_v2int_iadd = OpConstantComposite %v2int %int_5 %int_5", "%int_n4 = OpConstant %int -4", "%spec_v2int_isub = OpConstantComposite %v2int %int_n4 %int_n4", "%int_n2 = OpConstant %int -2", "%spec_v2int_sdiv = OpConstantComposite %v2int %int_n2 %int_n2", "%int_n6 = OpConstant %int -6", "%spec_v2int_imul = OpConstantComposite %v2int %int_n6 %int_n6", "%spec_v2int_iadd_null = OpConstantComposite %v2int %int_n6 %int_n6", "%uint_5 = OpConstant %uint 5", "%spec_v2uint_iadd = OpConstantComposite %v2uint %uint_5 %uint_5", "%uint_4294967292 = OpConstant %uint 4294967292", "%spec_v2uint_isub = OpConstantComposite %v2uint %uint_4294967292 %uint_4294967292", "%uint_1431655764 = OpConstant %uint 1431655764", "%spec_v2uint_udiv = OpConstantComposite %v2uint %uint_1431655764 %uint_1431655764", "%uint_2863311528 = OpConstant %uint 2863311528", "%spec_v2uint_imul = OpConstantComposite %v2uint %uint_2863311528 %uint_2863311528", "%spec_v2uint_isub_null = OpConstantComposite %v2uint %uint_2863311528 %uint_2863311528", }, }, // vector integer rem, mod { // original { // common constants "%int_7 = OpConstant %int 7", "%v2int_7 = OpConstantComposite %v2int %int_7 %int_7", "%uint_7 = OpConstant %uint 7", "%v2uint_7 = OpConstantComposite %v2uint %uint_7 %uint_7", "%int_minus_7 = OpConstant %int -7", "%v2int_minus_7 = OpConstantComposite %v2int %int_minus_7 %int_minus_7", "%int_minus_3 = OpConstant %int -3", "%v2int_minus_3 = OpConstantComposite %v2int %int_minus_3 %int_minus_3", // srem "%7_srem_3 = OpSpecConstantOp %v2int SRem %v2int_7 %signed_three_vec", "%minus_7_srem_3 = OpSpecConstantOp %v2int SRem %v2int_minus_7 %signed_three_vec", "%7_srem_minus_3 = OpSpecConstantOp %v2int SRem %v2int_7 %v2int_minus_3", "%minus_7_srem_minus_3 = OpSpecConstantOp %v2int SRem %v2int_minus_7 %v2int_minus_3", // smod "%7_smod_3 = OpSpecConstantOp %v2int SMod %v2int_7 %signed_three_vec", "%minus_7_smod_3 = OpSpecConstantOp %v2int SMod %v2int_minus_7 %signed_three_vec", "%7_smod_minus_3 = OpSpecConstantOp %v2int SMod %v2int_7 %v2int_minus_3", "%minus_7_smod_minus_3 = OpSpecConstantOp %v2int SMod %v2int_minus_7 %v2int_minus_3", // umod "%7_umod_3 = OpSpecConstantOp %v2uint UMod %v2uint_7 %unsigned_three_vec", }, // expected { // common constants "%int_7 = OpConstant %int 7", "%v2int_7 = OpConstantComposite %v2int %int_7 %int_7", "%uint_7 = OpConstant %uint 7", "%v2uint_7 = OpConstantComposite %v2uint %uint_7 %uint_7", "%int_minus_7 = OpConstant %int -7", "%v2int_minus_7 = OpConstantComposite %v2int %int_minus_7 %int_minus_7", "%int_minus_3 = OpConstant %int -3", "%v2int_minus_3 = OpConstantComposite %v2int %int_minus_3 %int_minus_3", // srem "%7_srem_3 = OpConstantComposite %v2int %signed_one %signed_one", "%minus_7_srem_3 = OpConstantComposite %v2int %signed_minus_one %signed_minus_one", "%7_srem_minus_3 = OpConstantComposite %v2int %signed_one %signed_one", "%minus_7_srem_minus_3 = OpConstantComposite %v2int %signed_minus_one %signed_minus_one", // smod "%7_smod_3 = OpConstantComposite %v2int %signed_one %signed_one", "%minus_7_smod_3 = OpConstantComposite %v2int %signed_two %signed_two", "%int_n2 = OpConstant %int -2", "%7_smod_minus_3 = OpConstantComposite %v2int %int_n2 %int_n2", "%minus_7_smod_minus_3 = OpConstantComposite %v2int %signed_minus_one %signed_minus_one", // umod "%7_umod_3 = OpConstantComposite %v2uint %unsigned_one %unsigned_one", }, }, // vector integer bitwise, shift { // original { "%xor_1_3 = OpSpecConstantOp %v2int BitwiseXor %signed_one_vec %signed_three_vec", "%and_1_2 = OpSpecConstantOp %v2int BitwiseAnd %signed_one_vec %xor_1_3", "%or_1_2 = OpSpecConstantOp %v2int BitwiseOr %signed_one_vec %xor_1_3", "%unsigned_31 = OpConstant %uint 31", "%v2unsigned_31 = OpConstantComposite %v2uint %unsigned_31 %unsigned_31", "%unsigned_left_shift_max = OpSpecConstantOp %v2uint ShiftLeftLogical %unsigned_one_vec %v2unsigned_31", "%unsigned_right_shift_logical = OpSpecConstantOp %v2uint ShiftRightLogical %unsigned_left_shift_max %v2unsigned_31", "%signed_right_shift_arithmetic = OpSpecConstantOp %v2int ShiftRightArithmetic %unsigned_left_shift_max %v2unsigned_31", }, // expected { "%xor_1_3 = OpConstantComposite %v2int %signed_two %signed_two", "%and_1_2 = OpConstantComposite %v2int %signed_zero %signed_zero", "%or_1_2 = OpConstantComposite %v2int %signed_three %signed_three", "%unsigned_31 = OpConstant %uint 31", "%v2unsigned_31 = OpConstantComposite %v2uint %unsigned_31 %unsigned_31", "%uint_2147483648 = OpConstant %uint 2147483648", "%unsigned_left_shift_max = OpConstantComposite %v2uint %uint_2147483648 %uint_2147483648", "%unsigned_right_shift_logical = OpConstantComposite %v2uint %unsigned_one %unsigned_one", "%signed_right_shift_arithmetic = OpConstantComposite %v2int %signed_minus_one %signed_minus_one", }, }, // Skip folding if any vector operands or components of the operands // have undetermined value. { // original { "%spec_int = OpSpecConstant %int 1", "%spec_vec = OpSpecConstantComposite %v2int %signed_zero %spec_int", "%spec_iadd = OpSpecConstantOp %v2int IAdd %signed_three_vec %spec_vec", }, // expected { "%spec_int = OpSpecConstant %int 1", "%spec_vec = OpSpecConstantComposite %v2int %signed_zero %spec_int", "%spec_iadd = OpSpecConstantOp %v2int IAdd %signed_three_vec %spec_vec", }, }, // Skip folding if any vector operands are defined by OpUndef { // original { "%undef = OpUndef %int", "%vec = OpConstantComposite %v2int %undef %signed_one", "%spec_iadd = OpSpecConstantOp %v2int IAdd %signed_three_vec %vec", }, // expected { "%undef = OpUndef %int", "%vec = OpConstantComposite %v2int %undef %signed_one", "%spec_iadd = OpSpecConstantOp %v2int IAdd %signed_three_vec %vec", }, }, // clang-format on }))); // Tests for SpecConstantOp CompositeExtract instruction INSTANTIATE_TEST_SUITE_P( CompositeExtract, FoldSpecConstantOpAndCompositePassTest, ::testing::ValuesIn(std::vector< FoldSpecConstantOpAndCompositePassTestCase>({ // clang-format off // normal vector { // original { "%r = OpSpecConstantOp %int CompositeExtract %signed_three_vec 0", "%x = OpSpecConstantOp %int CompositeExtract %v4int_0_1_2_3 0", "%y = OpSpecConstantOp %int CompositeExtract %v4int_0_1_2_3 1", "%z = OpSpecConstantOp %int CompositeExtract %v4int_0_1_2_3 2", "%w = OpSpecConstantOp %int CompositeExtract %v4int_0_1_2_3 3", }, // expected { "%r = OpConstant %int 3", "%x = OpConstant %int 0", "%y = OpConstant %int 1", "%z = OpConstant %int 2", "%w = OpConstant %int 3", }, }, // null vector { // original { "%x = OpSpecConstantOp %int CompositeExtract %signed_null_vec 0", "%y = OpSpecConstantOp %int CompositeExtract %signed_null_vec 1", "%null_v4int = OpConstantNull %v4int", "%z = OpSpecConstantOp %int CompositeExtract %signed_null_vec 2", }, // expected { "%x = OpConstantNull %int", "%y = OpConstantNull %int", "%null_v4int = OpConstantNull %v4int", "%z = OpConstantNull %int", } }, // normal flat struct { // original { "%float_1 = OpConstant %float 1", "%flat_1 = OpConstantComposite %flat_struct %bool_true %signed_null %float_1", "%extract_bool = OpSpecConstantOp %bool CompositeExtract %flat_1 0", "%extract_int = OpSpecConstantOp %int CompositeExtract %flat_1 1", "%extract_float_1 = OpSpecConstantOp %float CompositeExtract %flat_1 2", // foldable composite constants built with OpSpecConstantComposite // should also be processed. "%flat_2 = OpSpecConstantComposite %flat_struct %bool_true %signed_null %float_1", "%extract_float_2 = OpSpecConstantOp %float CompositeExtract %flat_2 2", }, // expected { "%float_1 = OpConstant %float 1", "%flat_1 = OpConstantComposite %flat_struct %bool_true %signed_null %float_1", "%extract_bool = OpConstantTrue %bool", "%extract_int = OpConstantNull %int", "%extract_float_1 = OpConstant %float 1", "%flat_2 = OpConstantComposite %flat_struct %bool_true %signed_null %float_1", "%extract_float_2 = OpConstant %float 1", }, }, // null flat struct { // original { "%flat = OpConstantNull %flat_struct", "%extract_bool = OpSpecConstantOp %bool CompositeExtract %flat 0", "%extract_int = OpSpecConstantOp %int CompositeExtract %flat 1", "%extract_float = OpSpecConstantOp %float CompositeExtract %flat 2", }, // expected { "%flat = OpConstantNull %flat_struct", "%extract_bool = OpConstantNull %bool", "%extract_int = OpConstantNull %int", "%extract_float = OpConstantNull %float", }, }, // normal nested struct { // original { "%float_1 = OpConstant %float 1", "%inner = OpConstantComposite %inner_struct %bool_true %signed_null %float_1", "%outer = OpConstantComposite %outer_struct %inner %signed_one", "%extract_inner = OpSpecConstantOp %inner_struct CompositeExtract %outer 0", "%extract_int = OpSpecConstantOp %int CompositeExtract %outer 1", "%extract_inner_float = OpSpecConstantOp %float CompositeExtract %outer 0 2", }, // expected { "%float_1 = OpConstant %float 1", "%inner = OpConstantComposite %inner_struct %bool_true %signed_null %float_1", "%outer = OpConstantComposite %outer_struct %inner %signed_one", "%extract_inner = OpConstantComposite %inner_struct %bool_true %signed_null %float_1", "%extract_int = OpConstant %int 1", "%extract_inner_float = OpConstant %float 1", }, }, // null nested struct { // original { "%outer = OpConstantNull %outer_struct", "%extract_inner = OpSpecConstantOp %inner_struct CompositeExtract %outer 0", "%extract_int = OpSpecConstantOp %int CompositeExtract %outer 1", "%extract_inner_float = OpSpecConstantOp %float CompositeExtract %outer 0 2", }, // expected { "%outer = OpConstantNull %outer_struct", "%extract_inner = OpConstantNull %inner_struct", "%extract_int = OpConstantNull %int", "%extract_inner_float = OpConstantNull %float", }, }, // skip folding if the any composite constant's value are not fully // determined, even though the extracting target might have // determined value. { // original { "%float_1 = OpConstant %float 1", "%spec_float = OpSpecConstant %float 1", "%spec_inner = OpSpecConstantComposite %inner_struct %bool_true %signed_null %spec_float", "%spec_outer = OpSpecConstantComposite %outer_struct %spec_inner %signed_one", "%spec_vec = OpSpecConstantComposite %v2float %spec_float %float_1", "%extract_inner = OpSpecConstantOp %int CompositeExtract %spec_inner 1", "%extract_outer = OpSpecConstantOp %int CompositeExtract %spec_outer 1", "%extract_vec = OpSpecConstantOp %float CompositeExtract %spec_vec 1", }, // expected { "%float_1 = OpConstant %float 1", "%spec_float = OpSpecConstant %float 1", "%spec_inner = OpSpecConstantComposite %inner_struct %bool_true %signed_null %spec_float", "%spec_outer = OpSpecConstantComposite %outer_struct %spec_inner %signed_one", "%spec_vec = OpSpecConstantComposite %v2float %spec_float %float_1", "%extract_inner = OpSpecConstantOp %int CompositeExtract %spec_inner 1", "%extract_outer = OpSpecConstantOp %int CompositeExtract %spec_outer 1", "%extract_vec = OpSpecConstantOp %float CompositeExtract %spec_vec 1", }, }, // skip if the composite constant depends on the result of OpUndef, // even though the composite extract target element does not depends // on the OpUndef. { // original { "%undef = OpUndef %float", "%inner = OpConstantComposite %inner_struct %bool_true %signed_one %undef", "%outer = OpConstantComposite %outer_struct %inner %signed_one", "%extract_inner = OpSpecConstantOp %int CompositeExtract %inner 1", "%extract_outer = OpSpecConstantOp %int CompositeExtract %outer 1", }, // expected { "%undef = OpUndef %float", "%inner = OpConstantComposite %inner_struct %bool_true %signed_one %undef", "%outer = OpConstantComposite %outer_struct %inner %signed_one", "%extract_inner = OpSpecConstantOp %int CompositeExtract %inner 1", "%extract_outer = OpSpecConstantOp %int CompositeExtract %outer 1", }, }, // TODO(qining): Add tests for Array and other composite type constants. // clang-format on }))); // Tests the swizzle operations for spec const vectors. INSTANTIATE_TEST_SUITE_P( VectorShuffle, FoldSpecConstantOpAndCompositePassTest, ::testing::ValuesIn(std::vector< FoldSpecConstantOpAndCompositePassTestCase>({ // clang-format off // normal vector { // original { "%xy = OpSpecConstantOp %v2int VectorShuffle %v4int_0_1_2_3 %v4int_0_1_2_3 0 1", "%yz = OpSpecConstantOp %v2int VectorShuffle %v4int_0_1_2_3 %v4int_0_1_2_3 1 2", "%zw = OpSpecConstantOp %v2int VectorShuffle %v4int_0_1_2_3 %v4int_0_1_2_3 2 3", "%wx = OpSpecConstantOp %v2int VectorShuffle %v4int_0_1_2_3 %v4int_0_1_2_3 3 0", "%xx = OpSpecConstantOp %v2int VectorShuffle %v4int_0_1_2_3 %v4int_0_1_2_3 0 0", "%yyy = OpSpecConstantOp %v3int VectorShuffle %v4int_0_1_2_3 %v4int_0_1_2_3 1 1 1", "%wwww = OpSpecConstantOp %v4int VectorShuffle %v4int_0_1_2_3 %v4int_0_1_2_3 2 2 2 2", }, // expected { "%xy = OpConstantComposite %v2int %signed_zero %signed_one", "%yz = OpConstantComposite %v2int %signed_one %signed_two", "%zw = OpConstantComposite %v2int %signed_two %signed_three", "%wx = OpConstantComposite %v2int %signed_three %signed_zero", "%xx = OpConstantComposite %v2int %signed_zero %signed_zero", "%yyy = OpConstantComposite %v3int %signed_one %signed_one %signed_one", "%wwww = OpConstantComposite %v4int %signed_two %signed_two %signed_two %signed_two", }, }, // null vector { // original { "%a = OpSpecConstantOp %v2int VectorShuffle %signed_null_vec %v4int_0_1_2_3 0 1", "%b = OpSpecConstantOp %v2int VectorShuffle %signed_null_vec %v4int_0_1_2_3 2 3", "%c = OpSpecConstantOp %v2int VectorShuffle %v4int_0_1_2_3 %signed_null_vec 3 4", "%d = OpSpecConstantOp %v2int VectorShuffle %signed_null_vec %signed_null_vec 1 2", }, // expected { "%a = OpConstantComposite %v2int %signed_null %signed_null", "%b = OpConstantComposite %v2int %signed_zero %signed_one", "%c = OpConstantComposite %v2int %signed_three %signed_null", "%d = OpConstantComposite %v2int %signed_null %signed_null", } }, // skip if any of the components of the vector operands do not have // determined value, even though the result vector might not be // built with those undermined values. { // original { "%spec_int = OpSpecConstant %int 1", "%spec_ivec = OpSpecConstantComposite %v2int %signed_null %spec_int", "%a = OpSpecConstantOp %v2int VectorShuffle %v4int_0_1_2_3 %spec_ivec 0 1", "%b = OpSpecConstantOp %v2int VectorShuffle %v4int_0_1_2_3 %spec_ivec 3 4", }, // expected { "%spec_int = OpSpecConstant %int 1", "%spec_ivec = OpSpecConstantComposite %v2int %signed_null %spec_int", "%a = OpSpecConstantOp %v2int VectorShuffle %v4int_0_1_2_3 %spec_ivec 0 1", "%b = OpSpecConstantOp %v2int VectorShuffle %v4int_0_1_2_3 %spec_ivec 3 4", }, }, // Skip if any components of the two vector operands depend on // the result of OpUndef. Even though the selected components do // not depend on the OpUndef result. { // original { "%undef = OpUndef %int", "%vec_1 = OpConstantComposite %v2int %undef %signed_one", "%dep = OpSpecConstantOp %v2int VectorShuffle %vec_1 %signed_three_vec 0 3", "%not_dep_element = OpSpecConstantOp %v2int VectorShuffle %vec_1 %signed_three_vec 1 3", "%no_dep_vector = OpSpecConstantOp %v2int VectorShuffle %vec_1 %signed_three_vec 2 3", }, // expected { "%undef = OpUndef %int", "%vec_1 = OpConstantComposite %v2int %undef %signed_one", "%dep = OpSpecConstantOp %v2int VectorShuffle %vec_1 %signed_three_vec 0 3", "%not_dep_element = OpSpecConstantOp %v2int VectorShuffle %vec_1 %signed_three_vec 1 3", "%no_dep_vector = OpSpecConstantOp %v2int VectorShuffle %vec_1 %signed_three_vec 2 3", }, }, // clang-format on }))); // Test with long use-def chain. INSTANTIATE_TEST_SUITE_P( LongDefUseChain, FoldSpecConstantOpAndCompositePassTest, ::testing::ValuesIn(std::vector< FoldSpecConstantOpAndCompositePassTestCase>({ // clang-format off // Long Def-Use chain with binary operations. { // original { "%array_size = OpConstant %int 4", "%type_arr_int_4 = OpTypeArray %int %array_size", "%spec_int_0 = OpConstant %int 100", "%spec_int_1 = OpConstant %int 1", "%spec_int_2 = OpSpecConstantOp %int IAdd %spec_int_0 %spec_int_1", "%spec_int_3 = OpSpecConstantOp %int ISub %spec_int_0 %spec_int_2", "%spec_int_4 = OpSpecConstantOp %int IAdd %spec_int_0 %spec_int_3", "%spec_int_5 = OpSpecConstantOp %int ISub %spec_int_0 %spec_int_4", "%spec_int_6 = OpSpecConstantOp %int IAdd %spec_int_0 %spec_int_5", "%spec_int_7 = OpSpecConstantOp %int ISub %spec_int_0 %spec_int_6", "%spec_int_8 = OpSpecConstantOp %int IAdd %spec_int_0 %spec_int_7", "%spec_int_9 = OpSpecConstantOp %int ISub %spec_int_0 %spec_int_8", "%spec_int_10 = OpSpecConstantOp %int IAdd %spec_int_0 %spec_int_9", "%spec_int_11 = OpSpecConstantOp %int ISub %spec_int_0 %spec_int_10", "%spec_int_12 = OpSpecConstantOp %int IAdd %spec_int_0 %spec_int_11", "%spec_int_13 = OpSpecConstantOp %int ISub %spec_int_0 %spec_int_12", "%spec_int_14 = OpSpecConstantOp %int IAdd %spec_int_0 %spec_int_13", "%spec_int_15 = OpSpecConstantOp %int ISub %spec_int_0 %spec_int_14", "%spec_int_16 = OpSpecConstantOp %int ISub %spec_int_0 %spec_int_15", "%spec_int_17 = OpSpecConstantOp %int IAdd %spec_int_0 %spec_int_16", "%spec_int_18 = OpSpecConstantOp %int ISub %spec_int_0 %spec_int_17", "%spec_int_19 = OpSpecConstantOp %int IAdd %spec_int_0 %spec_int_18", "%spec_int_20 = OpSpecConstantOp %int ISub %spec_int_0 %spec_int_19", "%used_vec_a = OpSpecConstantComposite %v2int %spec_int_18 %spec_int_19", "%used_vec_b = OpSpecConstantOp %v2int IMul %used_vec_a %used_vec_a", "%spec_int_21 = OpSpecConstantOp %int CompositeExtract %used_vec_b 0", "%array = OpConstantComposite %type_arr_int_4 %spec_int_20 %spec_int_20 %spec_int_21 %spec_int_21", // Spec constants whose values can not be fully resolved should // not be processed. "%spec_int_22 = OpSpecConstant %int 123", "%spec_int_23 = OpSpecConstantOp %int IAdd %spec_int_22 %signed_one", }, // expected { "%array_size = OpConstant %int 4", "%type_arr_int_4 = OpTypeArray %int %array_size", "%spec_int_0 = OpConstant %int 100", "%spec_int_1 = OpConstant %int 1", "%spec_int_2 = OpConstant %int 101", "%spec_int_3 = OpConstant %int -1", "%spec_int_4 = OpConstant %int 99", "%spec_int_5 = OpConstant %int 1", "%spec_int_6 = OpConstant %int 101", "%spec_int_7 = OpConstant %int -1", "%spec_int_8 = OpConstant %int 99", "%spec_int_9 = OpConstant %int 1", "%spec_int_10 = OpConstant %int 101", "%spec_int_11 = OpConstant %int -1", "%spec_int_12 = OpConstant %int 99", "%spec_int_13 = OpConstant %int 1", "%spec_int_14 = OpConstant %int 101", "%spec_int_15 = OpConstant %int -1", "%spec_int_16 = OpConstant %int 101", "%spec_int_17 = OpConstant %int 201", "%spec_int_18 = OpConstant %int -101", "%spec_int_19 = OpConstant %int -1", "%spec_int_20 = OpConstant %int 101", "%used_vec_a = OpConstantComposite %v2int %spec_int_18 %spec_int_19", "%int_10201 = OpConstant %int 10201", "%used_vec_b = OpConstantComposite %v2int %int_10201 %signed_one", "%spec_int_21 = OpConstant %int 10201", "%array = OpConstantComposite %type_arr_int_4 %spec_int_20 %spec_int_20 %spec_int_21 %spec_int_21", "%spec_int_22 = OpSpecConstant %int 123", "%spec_int_23 = OpSpecConstantOp %int IAdd %spec_int_22 %signed_one", }, }, // Long Def-Use chain with swizzle }))); } // namespace } // namespace opt } // namespace spvtools