// 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 "assembly_builder.h" #include "pass_fixture.h" #include "pass_utils.h" namespace { using namespace spvtools; // Returns the types defining instructions commonly used in many tests. std::vector CommonTypes() { return std::vector{ // clang-format off // scalar types "%bool = OpTypeBool", "%uint = OpTypeInt 32 0", "%int = OpTypeInt 32 1", "%uint64 = OpTypeInt 64 0", "%int64 = 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", "%v2float = OpTypeVector %float 2", "%v3float = OpTypeVector %float 3", "%v2double = OpTypeVector %double 2", // struct types "%inner_struct = OpTypeStruct %bool %float", "%outer_struct = OpTypeStruct %inner_struct %int %double", "%flat_struct = OpTypeStruct %bool %int %float %double", // variable pointer types "%_pf_bool = OpTypePointer Function %bool", "%_pf_uint = OpTypePointer Function %uint", "%_pf_int = OpTypePointer Function %int", "%_pf_uint64 = OpTypePointer Function %uint64", "%_pf_int64 = OpTypePointer Function %int64", "%_pf_float = OpTypePointer Function %float", "%_pf_double = OpTypePointer Function %double", "%_pf_v2int = OpTypePointer Function %v2int", "%_pf_v3int = OpTypePointer Function %v3int", "%_pf_v4int = OpTypePointer Function %v4int", "%_pf_v2float = OpTypePointer Function %v2float", "%_pf_v3float = OpTypePointer Function %v3float", "%_pf_v2double = OpTypePointer Function %v2double", "%_pf_inner_struct = OpTypePointer Function %inner_struct", "%_pf_outer_struct = OpTypePointer Function %outer_struct", "%_pf_flat_struct = OpTypePointer Function %flat_struct", // clang-format on }; } // A helper function to strip OpName instructions from the given string of // disassembly code and put those debug instructions to a set. Returns the // string with all OpName instruction stripped and a set of OpName // instructions. std::tuple> StripOpNameInstructionsToSet(const std::string& str) { std::stringstream ss(str); std::ostringstream oss; std::string inst_str; std::unordered_set opname_instructions; while (std::getline(ss, inst_str, '\n')) { if (inst_str.find("OpName %") == std::string::npos) { oss << inst_str << '\n'; } else { opname_instructions.insert(inst_str); } } return std::make_tuple(oss.str(), std::move(opname_instructions)); } // The test fixture for all tests of UnifyConstantPass. This fixture defines // the rule of checking: all the optimized code should be exactly the same as // the expected code, except the OpName instructions, which can be different in // order. template class UnifyConstantTest : public PassTest { protected: // Runs UnifyConstantPass on the code built from the given |test_builder|, // and checks whether the optimization result matches with the code built // from |expected_builder|. void Check(const AssemblyBuilder& expected_builder, const AssemblyBuilder& test_builder) { // unoptimized code const std::string original_before_strip = test_builder.GetCode(); std::string original_without_opnames; std::unordered_set original_opnames; std::tie(original_without_opnames, original_opnames) = StripOpNameInstructionsToSet(original_before_strip); // expected code std::string expected_without_opnames; std::unordered_set expected_opnames; std::tie(expected_without_opnames, expected_opnames) = StripOpNameInstructionsToSet(expected_builder.GetCode()); // optimized code std::string optimized_before_strip; auto status = opt::Pass::Status::SuccessWithoutChange; std::tie(optimized_before_strip, status) = this->template SinglePassRunAndDisassemble( test_builder.GetCode(), /* skip_nop = */ true, /* do_validation = */ false); std::string optimized_without_opnames; std::unordered_set optimized_opnames; std::tie(optimized_without_opnames, optimized_opnames) = StripOpNameInstructionsToSet(optimized_before_strip); // Flag "status" should be returned correctly. EXPECT_NE(opt::Pass::Status::Failure, status); EXPECT_EQ(expected_without_opnames == original_without_opnames, status == opt::Pass::Status::SuccessWithoutChange); // Code except OpName instructions should be exactly the same. EXPECT_EQ(expected_without_opnames, optimized_without_opnames); // OpName instructions can be in different order, but the content must be // the same. EXPECT_EQ(expected_opnames, optimized_opnames); } }; using UnifyFrontEndConstantSingleTest = UnifyConstantTest>; TEST_F(UnifyFrontEndConstantSingleTest, Basic) { AssemblyBuilder test_builder; AssemblyBuilder expected_builder; test_builder .AppendTypesConstantsGlobals({ "%uint = OpTypeInt 32 0", "%_pf_uint = OpTypePointer Function %uint", "%unsigned_1 = OpConstant %uint 1", "%unsigned_1_duplicate = OpConstant %uint 1", // duplicated constant }) .AppendInMain({ "%uint_var = OpVariable %_pf_uint Function", "OpStore %uint_var %unsigned_1_duplicate", }); expected_builder .AppendTypesConstantsGlobals({ "%uint = OpTypeInt 32 0", "%_pf_uint = OpTypePointer Function %uint", "%unsigned_1 = OpConstant %uint 1", }) .AppendInMain({ "%uint_var = OpVariable %_pf_uint Function", "OpStore %uint_var %unsigned_1", }) .AppendNames({ "OpName %unsigned_1 \"unsigned_1_duplicate\"", // the OpName // instruction of the // removed duplicated // constant won't be // erased. }); Check(expected_builder, test_builder); } TEST_F(UnifyFrontEndConstantSingleTest, SkipWhenResultIdHasDecorations) { AssemblyBuilder test_builder; AssemblyBuilder expected_builder; test_builder .AppendAnnotations({ // So far we don't have valid decorations for constants. This is // preparing for the future updates of SPIR-V. // TODO(qining): change to a valid decoration once they are available. "OpDecorate %f_1 RelaxedPrecision", "OpDecorate %f_2_dup RelaxedPrecision", }) .AppendTypesConstantsGlobals({ // clang-format off "%float = OpTypeFloat 32", "%_pf_float = OpTypePointer Function %float", "%f_1 = OpConstant %float 1", // %f_1 has decoration, so %f_1 will not be used to replace %f_1_dup. "%f_1_dup = OpConstant %float 1", "%f_2 = OpConstant %float 2", // %_2_dup has decoration, so %f_2 will not replace %f_2_dup. "%f_2_dup = OpConstant %float 2", // no decoration for %f_3 or %f_3_dup, %f_3_dup should be replaced. "%f_3 = OpConstant %float 3", "%f_3_dup = OpConstant %float 3", // clang-format on }) .AppendInMain({ // clang-format off "%f_var = OpVariable %_pf_float Function", "OpStore %f_var %f_1_dup", "OpStore %f_var %f_2_dup", "OpStore %f_var %f_3_dup", // clang-format on }); expected_builder .AppendAnnotations({ "OpDecorate %f_1 RelaxedPrecision", "OpDecorate %f_2_dup RelaxedPrecision", }) .AppendTypesConstantsGlobals({ // clang-format off "%float = OpTypeFloat 32", "%_pf_float = OpTypePointer Function %float", "%f_1 = OpConstant %float 1", "%f_1_dup = OpConstant %float 1", "%f_2 = OpConstant %float 2", "%f_2_dup = OpConstant %float 2", "%f_3 = OpConstant %float 3", // clang-format on }) .AppendInMain({ // clang-format off "%f_var = OpVariable %_pf_float Function", "OpStore %f_var %f_1_dup", "OpStore %f_var %f_2_dup", "OpStore %f_var %f_3", // clang-format on }) .AppendNames({ "OpName %f_3 \"f_3_dup\"", }); Check(expected_builder, test_builder); } TEST_F(UnifyFrontEndConstantSingleTest, UnifyWithDecorationOnTypes) { AssemblyBuilder test_builder; AssemblyBuilder expected_builder; test_builder .AppendAnnotations({ "OpMemberDecorate %flat_d 1 RelaxedPrecision", }) .AppendTypesConstantsGlobals({ // clang-format off "%int = OpTypeInt 32 1", "%float = OpTypeFloat 32", "%flat = OpTypeStruct %int %float", "%_pf_flat = OpTypePointer Function %flat", // decorated flat struct "%flat_d = OpTypeStruct %int %float", "%_pf_flat_d = OpTypePointer Function %flat_d", // perserved contants. %flat_1 and %flat_d has same members, but // their type are different in decorations, so they should not be // used to replace each other. "%int_1 = OpConstant %int 1", "%float_1 = OpConstant %float 1", "%flat_1 = OpConstantComposite %flat %int_1 %float_1", "%flat_d_1 = OpConstantComposite %flat_d %int_1 %float_1", // duplicated constants. "%flat_1_dup = OpConstantComposite %flat %int_1 %float_1", "%flat_d_1_dup = OpConstantComposite %flat_d %int_1 %float_1", // clang-format on }) .AppendInMain({ "%flat_var = OpVariable %_pf_flat Function", "OpStore %flat_var %flat_1_dup", "%flat_d_var = OpVariable %_pf_flat_d Function", "OpStore %flat_d_var %flat_d_1_dup", }); expected_builder .AppendAnnotations({ "OpMemberDecorate %flat_d 1 RelaxedPrecision", }) .AppendTypesConstantsGlobals({ // clang-format off "%int = OpTypeInt 32 1", "%float = OpTypeFloat 32", "%flat = OpTypeStruct %int %float", "%_pf_flat = OpTypePointer Function %flat", // decorated flat struct "%flat_d = OpTypeStruct %int %float", "%_pf_flat_d = OpTypePointer Function %flat_d", "%int_1 = OpConstant %int 1", "%float_1 = OpConstant %float 1", "%flat_1 = OpConstantComposite %flat %int_1 %float_1", "%flat_d_1 = OpConstantComposite %flat_d %int_1 %float_1", // clang-format on }) .AppendInMain({ "%flat_var = OpVariable %_pf_flat Function", "OpStore %flat_var %flat_1", "%flat_d_var = OpVariable %_pf_flat_d Function", "OpStore %flat_d_var %flat_d_1", }) .AppendNames({ "OpName %flat_1 \"flat_1_dup\"", "OpName %flat_d_1 \"flat_d_1_dup\"", }); Check(expected_builder, test_builder); } struct UnifyConstantTestCase { // preserved constants. std::vector preserved_consts; // expected uses of the preserved constants. std::vector use_preserved_consts; // duplicated constants of the preserved constants. std::vector duplicate_consts; // uses of the duplicated constants, expected to be updated to use the // preserved constants. std::vector use_duplicate_consts; // The updated OpName instructions that originally refer to duplicated // constants. std::vector remapped_names; }; using UnifyFrontEndConstantParamTest = UnifyConstantTest< PassTest<::testing::TestWithParam>>; TEST_P(UnifyFrontEndConstantParamTest, TestCase) { auto& tc = GetParam(); AssemblyBuilder test_builder; AssemblyBuilder expected_builder; test_builder.AppendTypesConstantsGlobals(CommonTypes()); expected_builder.AppendTypesConstantsGlobals(CommonTypes()); test_builder.AppendTypesConstantsGlobals(tc.preserved_consts) .AppendTypesConstantsGlobals(tc.duplicate_consts) .AppendInMain(tc.use_duplicate_consts); // Duplicated constants are killed in the expected output, and the debug // instructions attached to those duplicated instructions will be migrated to // the corresponding preserved constants. expected_builder.AppendTypesConstantsGlobals(tc.preserved_consts) .AppendInMain(tc.use_preserved_consts) .AppendNames(tc.remapped_names); Check(expected_builder, test_builder); } INSTANTIATE_TEST_CASE_P(Case, UnifyFrontEndConstantParamTest, ::testing::ValuesIn(std::vector({ // clang-format off // basic tests for scalar constants { // preserved constants { "%bool_true = OpConstantTrue %bool", "%signed_1 = OpConstant %int 1", "%signed_minus_1 = OpConstant %int64 -1", "%unsigned_max = OpConstant %uint64 18446744073709551615", "%float_1 = OpConstant %float 1", "%double_1 = OpConstant %double 1", }, // use preserved constants in main { "%bool_var = OpVariable %_pf_bool Function", "OpStore %bool_var %bool_true", "%int_var = OpVariable %_pf_int Function", "OpStore %int_var %signed_1", "%int64_var = OpVariable %_pf_int64 Function", "OpStore %int64_var %signed_minus_1", "%uint64_var = OpVariable %_pf_uint64 Function", "OpStore %uint64_var %unsigned_max", "%float_var = OpVariable %_pf_float Function", "OpStore %float_var %float_1", "%double_var = OpVariable %_pf_double Function", "OpStore %double_var %double_1", }, // duplicated constants { "%bool_true_duplicate = OpConstantTrue %bool", "%signed_1_duplicate = OpConstant %int 1", "%signed_minus_1_duplicate = OpConstant %int64 -1", "%unsigned_max_duplicate = OpConstant %uint64 18446744073709551615", "%float_1_duplicate = OpConstant %float 1", "%double_1_duplicate = OpConstant %double 1", }, // use duplicated constants in main { "%bool_var = OpVariable %_pf_bool Function", "OpStore %bool_var %bool_true_duplicate", "%int_var = OpVariable %_pf_int Function", "OpStore %int_var %signed_1_duplicate", "%int64_var = OpVariable %_pf_int64 Function", "OpStore %int64_var %signed_minus_1_duplicate", "%uint64_var = OpVariable %_pf_uint64 Function", "OpStore %uint64_var %unsigned_max_duplicate", "%float_var = OpVariable %_pf_float Function", "OpStore %float_var %float_1_duplicate", "%double_var = OpVariable %_pf_double Function", "OpStore %double_var %double_1_duplicate", }, // remapped names { "OpName %bool_true \"bool_true_duplicate\"", "OpName %signed_1 \"signed_1_duplicate\"", "OpName %signed_minus_1 \"signed_minus_1_duplicate\"", "OpName %unsigned_max \"unsigned_max_duplicate\"", "OpName %float_1 \"float_1_duplicate\"", "OpName %double_1 \"double_1_duplicate\"", }, }, // NaN in different bit patterns should not be unified, but the ones // using same bit pattern should be unified. { // preserved constants { "%float_nan_1 = OpConstant %float 0x1.8p+128", // !2143289344, 7FC00000 "%float_nan_2 = OpConstant %float 0x1.800002p+128",// !2143289345 7FC00001 }, // use preserved constants in main { "%float_var = OpVariable %_pf_float Function", "OpStore %float_var %float_nan_1", "OpStore %float_var %float_nan_2", }, // duplicated constants { "%float_nan_1_duplicate = OpConstant %float 0x1.8p+128", // !2143289344, 7FC00000 "%float_nan_2_duplicate = OpConstant %float 0x1.800002p+128",// !2143289345, 7FC00001 }, // use duplicated constants in main { "%float_var = OpVariable %_pf_float Function", "OpStore %float_var %float_nan_1_duplicate", "OpStore %float_var %float_nan_2_duplicate", }, // remapped names { "OpName %float_nan_1 \"float_nan_1_duplicate\"", "OpName %float_nan_2 \"float_nan_2_duplicate\"", }, }, // null values { // preserved constants { "%bool_null = OpConstantNull %bool", "%signed_null = OpConstantNull %int", "%signed_64_null = OpConstantNull %int64", "%float_null = OpConstantNull %float", "%double_null = OpConstantNull %double", // zero-valued constants will not be unified with the equivalent // null constants. "%signed_zero = OpConstant %int 0", }, // use preserved constants in main { "%bool_var = OpVariable %_pf_bool Function", "OpStore %bool_var %bool_null", "%int_var = OpVariable %_pf_int Function", "OpStore %int_var %signed_null", "%int64_var = OpVariable %_pf_int64 Function", "OpStore %int64_var %signed_64_null", "%float_var = OpVariable %_pf_float Function", "OpStore %float_var %float_null", "%double_var = OpVariable %_pf_double Function", "OpStore %double_var %double_null", }, // duplicated constants { "%bool_null_duplicate = OpConstantNull %bool", "%signed_null_duplicate = OpConstantNull %int", "%signed_64_null_duplicate = OpConstantNull %int64", "%float_null_duplicate = OpConstantNull %float", "%double_null_duplicate = OpConstantNull %double", }, // use duplicated constants in main { "%bool_var = OpVariable %_pf_bool Function", "OpStore %bool_var %bool_null_duplicate", "%int_var = OpVariable %_pf_int Function", "OpStore %int_var %signed_null_duplicate", "%int64_var = OpVariable %_pf_int64 Function", "OpStore %int64_var %signed_64_null_duplicate", "%float_var = OpVariable %_pf_float Function", "OpStore %float_var %float_null_duplicate", "%double_var = OpVariable %_pf_double Function", "OpStore %double_var %double_null_duplicate", }, // remapped names { "OpName %bool_null \"bool_null_duplicate\"", "OpName %signed_null \"signed_null_duplicate\"", "OpName %signed_64_null \"signed_64_null_duplicate\"", "OpName %float_null \"float_null_duplicate\"", "OpName %double_null \"double_null_duplicate\"", }, }, // constant sampler { // preserved constants { "%sampler = OpTypeSampler", "%_pf_sampler = OpTypePointer Function %sampler", "%sampler_1 = OpConstantSampler %sampler Repeat 0 Linear", }, // use preserved constants in main { "%sampler_var = OpVariable %_pf_sampler Function", "OpStore %sampler_var %sampler_1", }, // duplicated constants { "%sampler_1_duplicate = OpConstantSampler %sampler Repeat 0 Linear", }, // use duplicated constants in main { "%sampler_var = OpVariable %_pf_sampler Function", "OpStore %sampler_var %sampler_1_duplicate", }, // remapped names { "OpName %sampler_1 \"sampler_1_duplicate\"", }, }, // duplicate vector built from same ids. { // preserved constants { "%signed_1 = OpConstant %int 1", "%signed_2 = OpConstant %int 2", "%signed_3 = OpConstant %int 3", "%signed_4 = OpConstant %int 4", "%vec = OpConstantComposite %v4int %signed_1 %signed_2 %signed_3 %signed_4", }, // use preserved constants in main { "%vec_var = OpVariable %_pf_v4int Function", "OpStore %vec_var %vec", }, // duplicated constants { "%vec_duplicate = OpConstantComposite %v4int %signed_1 %signed_2 %signed_3 %signed_4", }, // use duplicated constants in main { "%vec_var = OpVariable %_pf_v4int Function", "OpStore %vec_var %vec_duplicate", }, // remapped names { "OpName %vec \"vec_duplicate\"", } }, // duplicate vector built from duplicated ids. { // preserved constants { "%signed_1 = OpConstant %int 1", "%signed_2 = OpConstant %int 2", "%signed_3 = OpConstant %int 3", "%signed_4 = OpConstant %int 4", "%vec = OpConstantComposite %v4int %signed_1 %signed_2 %signed_3 %signed_4", }, // use preserved constants in main { "%vec_var = OpVariable %_pf_v4int Function", "OpStore %vec_var %vec", }, // duplicated constants { "%signed_3_duplicate = OpConstant %int 3", "%signed_4_duplicate = OpConstant %int 4", "%vec_duplicate = OpConstantComposite %v4int %signed_1 %signed_2 %signed_3_duplicate %signed_4_duplicate", }, // use duplicated constants in main { "%vec_var = OpVariable %_pf_v4int Function", "OpStore %vec_var %vec_duplicate", }, // remapped names { "OpName %signed_3 \"signed_3_duplicate\"", "OpName %signed_4 \"signed_4_duplicate\"", "OpName %vec \"vec_duplicate\"", }, }, // flat struct { // preserved constants { "%bool_true = OpConstantTrue %bool", "%signed_1 = OpConstant %int 1", "%float_1 = OpConstant %float 1", "%double_1 = OpConstant %double 1", "%s = OpConstantComposite %flat_struct %bool_true %signed_1 %float_1 %double_1", }, // use preserved constants in main { "%s_var = OpVariable %_pf_flat_struct Function", "OpStore %s_var %s", }, // duplicated constants { "%float_1_duplicate = OpConstant %float 1", "%double_1_duplicate = OpConstant %double 1", "%s_duplicate = OpConstantComposite %flat_struct %bool_true %signed_1 %float_1_duplicate %double_1_duplicate", }, // use duplicated constants in main { "%s_var = OpVariable %_pf_flat_struct Function", "OpStore %s_var %s_duplicate", }, // remapped names { "OpName %float_1 \"float_1_duplicate\"", "OpName %double_1 \"double_1_duplicate\"", "OpName %s \"s_duplicate\"", }, }, // nested struct { // preserved constants { "%bool_true = OpConstantTrue %bool", "%signed_1 = OpConstant %int 1", "%float_1 = OpConstant %float 1", "%double_1 = OpConstant %double 1", "%inner = OpConstantComposite %inner_struct %bool_true %float_1", "%outer = OpConstantComposite %outer_struct %inner %signed_1 %double_1", }, // use preserved constants in main { "%outer_var = OpVariable %_pf_outer_struct Function", "OpStore %outer_var %outer", }, // duplicated constants { "%float_1_duplicate = OpConstant %float 1", "%double_1_duplicate = OpConstant %double 1", "%inner_duplicate = OpConstantComposite %inner_struct %bool_true %float_1_duplicate", "%outer_duplicate = OpConstantComposite %outer_struct %inner_duplicate %signed_1 %double_1_duplicate", }, // use duplicated constants in main { "%outer_var = OpVariable %_pf_outer_struct Function", "OpStore %outer_var %outer_duplicate", }, // remapped names { "OpName %float_1 \"float_1_duplicate\"", "OpName %double_1 \"double_1_duplicate\"", "OpName %inner \"inner_duplicate\"", "OpName %outer \"outer_duplicate\"", }, }, // composite type null constants. Null constants and zero-valued // constants should not be used to replace each other. { // preserved constants { "%bool_zero = OpConstantFalse %bool", "%float_zero = OpConstant %float 0", "%int_null = OpConstantNull %int", "%double_null = OpConstantNull %double", // inner_struct type null constant. "%null_inner = OpConstantNull %inner_struct", // zero-valued composite constant built from zero-valued constant // component. inner_zero should not be replace by null_inner. "%inner_zero = OpConstantComposite %inner_struct %bool_zero %float_zero", // zero-valued composite contant built from zero-valued constants // and null constants. "%outer_zero = OpConstantComposite %outer_struct %inner_zero %int_null %double_null", // outer_struct type null constant, it should not be replaced by // outer_zero. "%null_outer = OpConstantNull %outer_struct", }, // use preserved constants in main { "%inner_var = OpVariable %_pf_inner_struct Function", "OpStore %inner_var %inner_zero", "OpStore %inner_var %null_inner", "%outer_var = OpVariable %_pf_outer_struct Function", "OpStore %outer_var %outer_zero", "OpStore %outer_var %null_outer", }, // duplicated constants { "%null_inner_dup = OpConstantNull %inner_struct", "%null_outer_dup = OpConstantNull %outer_struct", "%inner_zero_dup = OpConstantComposite %inner_struct %bool_zero %float_zero", "%outer_zero_dup = OpConstantComposite %outer_struct %inner_zero_dup %int_null %double_null", }, // use duplicated constants in main { "%inner_var = OpVariable %_pf_inner_struct Function", "OpStore %inner_var %inner_zero_dup", "OpStore %inner_var %null_inner_dup", "%outer_var = OpVariable %_pf_outer_struct Function", "OpStore %outer_var %outer_zero_dup", "OpStore %outer_var %null_outer_dup", }, // remapped names { "OpName %null_inner \"null_inner_dup\"", "OpName %null_outer \"null_outer_dup\"", "OpName %inner_zero \"inner_zero_dup\"", "OpName %outer_zero \"outer_zero_dup\"", }, }, // Spec Constants with SpecId decoration should be skipped. { // preserved constants { // Assembly builder will add OpDecorate SpecId instruction for the // following spec constant instructions automatically. "%spec_bool_1 = OpSpecConstantTrue %bool", "%spec_bool_2 = OpSpecConstantTrue %bool", "%spec_int_1 = OpSpecConstant %int 1", "%spec_int_2 = OpSpecConstant %int 1", }, // use preserved constants in main { "%bool_var = OpVariable %_pf_bool Function", "OpStore %bool_var %spec_bool_1", "OpStore %bool_var %spec_bool_2", "%int_var = OpVariable %_pf_int Function", "OpStore %int_var %spec_int_1", "OpStore %int_var %spec_int_2", }, // duplicated constants. No duplicated instruction to remove in this // case. {}, // use duplicated constants in main. Same as the above 'use preserved // constants in main' defined above, as no instruction should be // removed in this case. { "%bool_var = OpVariable %_pf_bool Function", "OpStore %bool_var %spec_bool_1", "OpStore %bool_var %spec_bool_2", "%int_var = OpVariable %_pf_int Function", "OpStore %int_var %spec_int_1", "OpStore %int_var %spec_int_2", }, // remapped names. No duplicated instruction removed, so this is // empty. {} }, // spec constant composite { // preserved constants { "%spec_bool_true = OpSpecConstantTrue %bool", "%spec_signed_1 = OpSpecConstant %int 1", "%float_1 = OpConstant %float 1", "%double_1 = OpConstant %double 1", "%spec_inner = OpSpecConstantComposite %inner_struct %spec_bool_true %float_1", "%spec_outer = OpSpecConstantComposite %outer_struct %spec_inner %spec_signed_1 %double_1", "%spec_vec2 = OpSpecConstantComposite %v2float %float_1 %float_1", }, // use preserved constants in main { "%outer_var = OpVariable %_pf_outer_struct Function", "OpStore %outer_var %spec_outer", "%v2float_var = OpVariable %_pf_v2float Function", "OpStore %v2float_var %spec_vec2", }, // duplicated constants { "%float_1_duplicate = OpConstant %float 1", "%double_1_duplicate = OpConstant %double 1", "%spec_inner_duplicate = OpSpecConstantComposite %inner_struct %spec_bool_true %float_1_duplicate", "%spec_outer_duplicate = OpSpecConstantComposite %outer_struct %spec_inner_duplicate %spec_signed_1 %double_1_duplicate", "%spec_vec2_duplicate = OpSpecConstantComposite %v2float %float_1 %float_1_duplicate", }, // use duplicated constants in main { "%outer_var = OpVariable %_pf_outer_struct Function", "OpStore %outer_var %spec_outer_duplicate", "%v2float_var = OpVariable %_pf_v2float Function", "OpStore %v2float_var %spec_vec2_duplicate", }, // remapped names { "OpName %float_1 \"float_1_duplicate\"", "OpName %double_1 \"double_1_duplicate\"", "OpName %spec_inner \"spec_inner_duplicate\"", "OpName %spec_outer \"spec_outer_duplicate\"", "OpName %spec_vec2 \"spec_vec2_duplicate\"", }, }, // spec constant op with int scalar { // preserved constants { "%spec_signed_1 = OpSpecConstant %int 1", "%spec_signed_2 = OpSpecConstant %int 2", "%spec_signed_add = OpSpecConstantOp %int IAdd %spec_signed_1 %spec_signed_2", }, // use preserved constants in main { "%int_var = OpVariable %_pf_int Function", "OpStore %int_var %spec_signed_add", }, // duplicated constants { "%spec_signed_add_duplicate = OpSpecConstantOp %int IAdd %spec_signed_1 %spec_signed_2", }, // use duplicated contants in main { "%int_var = OpVariable %_pf_int Function", "OpStore %int_var %spec_signed_add_duplicate", }, // remapped names { "OpName %spec_signed_add \"spec_signed_add_duplicate\"", }, }, // spec constant op composite extract { // preserved constants { "%float_1 = OpConstant %float 1", "%spec_vec2 = OpSpecConstantComposite %v2float %float_1 %float_1", "%spec_extract = OpSpecConstantOp %float CompositeExtract %spec_vec2 1", }, // use preserved constants in main { "%float_var = OpVariable %_pf_float Function", "OpStore %float_var %spec_extract", }, // duplicated constants { "%spec_extract_duplicate = OpSpecConstantOp %float CompositeExtract %spec_vec2 1", }, // use duplicated constants in main { "%float_var = OpVariable %_pf_float Function", "OpStore %float_var %spec_extract_duplicate", }, // remapped names { "OpName %spec_extract \"spec_extract_duplicate\"", }, }, // spec constant op vector shuffle { // preserved constants { "%float_1 = OpConstant %float 1", "%float_2 = OpConstant %float 2", "%spec_vec2_1 = OpSpecConstantComposite %v2float %float_1 %float_1", "%spec_vec2_2 = OpSpecConstantComposite %v2float %float_2 %float_2", "%spec_vector_shuffle = OpSpecConstantOp %v2float VectorShuffle %spec_vec2_1 %spec_vec2_2 1 2", }, // use preserved constants in main { "%v2float_var = OpVariable %_pf_v2float Function", "OpStore %v2float_var %spec_vector_shuffle", }, // duplicated constants { "%spec_vector_shuffle_duplicate = OpSpecConstantOp %v2float VectorShuffle %spec_vec2_1 %spec_vec2_2 1 2", }, // use duplicated constants in main { "%v2float_var = OpVariable %_pf_v2float Function", "OpStore %v2float_var %spec_vector_shuffle_duplicate", }, // remapped names { "OpName %spec_vector_shuffle \"spec_vector_shuffle_duplicate\"", }, }, // long dependency chain { // preserved constants { "%array_size = OpConstant %int 4", "%type_arr_int_4 = OpTypeArray %int %array_size", "%signed_0 = OpConstant %int 100", "%signed_1 = OpConstant %int 1", "%signed_2 = OpSpecConstantOp %int IAdd %signed_0 %signed_1", "%signed_3 = OpSpecConstantOp %int ISub %signed_0 %signed_2", "%signed_4 = OpSpecConstantOp %int IAdd %signed_0 %signed_3", "%signed_5 = OpSpecConstantOp %int ISub %signed_0 %signed_4", "%signed_6 = OpSpecConstantOp %int IAdd %signed_0 %signed_5", "%signed_7 = OpSpecConstantOp %int ISub %signed_0 %signed_6", "%signed_8 = OpSpecConstantOp %int IAdd %signed_0 %signed_7", "%signed_9 = OpSpecConstantOp %int ISub %signed_0 %signed_8", "%signed_10 = OpSpecConstantOp %int IAdd %signed_0 %signed_9", "%signed_11 = OpSpecConstantOp %int ISub %signed_0 %signed_10", "%signed_12 = OpSpecConstantOp %int IAdd %signed_0 %signed_11", "%signed_13 = OpSpecConstantOp %int ISub %signed_0 %signed_12", "%signed_14 = OpSpecConstantOp %int IAdd %signed_0 %signed_13", "%signed_15 = OpSpecConstantOp %int ISub %signed_0 %signed_14", "%signed_16 = OpSpecConstantOp %int ISub %signed_0 %signed_15", "%signed_17 = OpSpecConstantOp %int IAdd %signed_0 %signed_16", "%signed_18 = OpSpecConstantOp %int ISub %signed_0 %signed_17", "%signed_19 = OpSpecConstantOp %int IAdd %signed_0 %signed_18", "%signed_20 = OpSpecConstantOp %int ISub %signed_0 %signed_19", "%signed_vec_a = OpSpecConstantComposite %v2int %signed_18 %signed_19", "%signed_vec_b = OpSpecConstantOp %v2int IMul %signed_vec_a %signed_vec_a", "%signed_21 = OpSpecConstantOp %int CompositeExtract %signed_vec_b 0", "%signed_array = OpConstantComposite %type_arr_int_4 %signed_20 %signed_20 %signed_21 %signed_21", "%signed_22 = OpSpecConstantOp %int CompositeExtract %signed_array 0", }, // use preserved constants in main { "%int_var = OpVariable %_pf_int Function", "OpStore %int_var %signed_22", }, // duplicated constants { "%signed_0_dup = OpConstant %int 100", "%signed_1_dup = OpConstant %int 1", "%signed_2_dup = OpSpecConstantOp %int IAdd %signed_0_dup %signed_1_dup", "%signed_3_dup = OpSpecConstantOp %int ISub %signed_0_dup %signed_2_dup", "%signed_4_dup = OpSpecConstantOp %int IAdd %signed_0_dup %signed_3_dup", "%signed_5_dup = OpSpecConstantOp %int ISub %signed_0_dup %signed_4_dup", "%signed_6_dup = OpSpecConstantOp %int IAdd %signed_0_dup %signed_5_dup", "%signed_7_dup = OpSpecConstantOp %int ISub %signed_0_dup %signed_6_dup", "%signed_8_dup = OpSpecConstantOp %int IAdd %signed_0_dup %signed_7_dup", "%signed_9_dup = OpSpecConstantOp %int ISub %signed_0_dup %signed_8_dup", "%signed_10_dup = OpSpecConstantOp %int IAdd %signed_0_dup %signed_9_dup", "%signed_11_dup = OpSpecConstantOp %int ISub %signed_0_dup %signed_10_dup", "%signed_12_dup = OpSpecConstantOp %int IAdd %signed_0_dup %signed_11_dup", "%signed_13_dup = OpSpecConstantOp %int ISub %signed_0_dup %signed_12_dup", "%signed_14_dup = OpSpecConstantOp %int IAdd %signed_0_dup %signed_13_dup", "%signed_15_dup = OpSpecConstantOp %int ISub %signed_0_dup %signed_14_dup", "%signed_16_dup = OpSpecConstantOp %int ISub %signed_0_dup %signed_15_dup", "%signed_17_dup = OpSpecConstantOp %int IAdd %signed_0_dup %signed_16_dup", "%signed_18_dup = OpSpecConstantOp %int ISub %signed_0_dup %signed_17_dup", "%signed_19_dup = OpSpecConstantOp %int IAdd %signed_0_dup %signed_18_dup", "%signed_20_dup = OpSpecConstantOp %int ISub %signed_0_dup %signed_19_dup", "%signed_vec_a_dup = OpSpecConstantComposite %v2int %signed_18_dup %signed_19_dup", "%signed_vec_b_dup = OpSpecConstantOp %v2int IMul %signed_vec_a_dup %signed_vec_a_dup", "%signed_21_dup = OpSpecConstantOp %int CompositeExtract %signed_vec_b_dup 0", "%signed_array_dup = OpConstantComposite %type_arr_int_4 %signed_20_dup %signed_20_dup %signed_21_dup %signed_21_dup", "%signed_22_dup = OpSpecConstantOp %int CompositeExtract %signed_array_dup 0", }, // use duplicated constants in main { "%int_var = OpVariable %_pf_int Function", "OpStore %int_var %signed_22_dup", }, // remapped names { "OpName %signed_0 \"signed_0_dup\"", "OpName %signed_1 \"signed_1_dup\"", "OpName %signed_2 \"signed_2_dup\"", "OpName %signed_3 \"signed_3_dup\"", "OpName %signed_4 \"signed_4_dup\"", "OpName %signed_5 \"signed_5_dup\"", "OpName %signed_6 \"signed_6_dup\"", "OpName %signed_7 \"signed_7_dup\"", "OpName %signed_8 \"signed_8_dup\"", "OpName %signed_9 \"signed_9_dup\"", "OpName %signed_10 \"signed_10_dup\"", "OpName %signed_11 \"signed_11_dup\"", "OpName %signed_12 \"signed_12_dup\"", "OpName %signed_13 \"signed_13_dup\"", "OpName %signed_14 \"signed_14_dup\"", "OpName %signed_15 \"signed_15_dup\"", "OpName %signed_16 \"signed_16_dup\"", "OpName %signed_17 \"signed_17_dup\"", "OpName %signed_18 \"signed_18_dup\"", "OpName %signed_19 \"signed_19_dup\"", "OpName %signed_20 \"signed_20_dup\"", "OpName %signed_vec_a \"signed_vec_a_dup\"", "OpName %signed_vec_b \"signed_vec_b_dup\"", "OpName %signed_21 \"signed_21_dup\"", "OpName %signed_array \"signed_array_dup\"", "OpName %signed_22 \"signed_22_dup\"", }, }, // clang-format on }))); } // anonymous namespace