| // 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 <string> |
| #include <tuple> |
| #include <unordered_set> |
| #include <utility> |
| #include <vector> |
| |
| #include "test/opt/assembly_builder.h" |
| #include "test/opt/pass_fixture.h" |
| #include "test/opt/pass_utils.h" |
| |
| namespace spvtools { |
| namespace opt { |
| namespace { |
| |
| // Returns the types defining instructions commonly used in many tests. |
| std::vector<std::string> CommonTypes() { |
| return std::vector<std::string>{ |
| // 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<std::string, std::unordered_set<std::string>> |
| StripOpNameInstructionsToSet(const std::string& str) { |
| std::stringstream ss(str); |
| std::ostringstream oss; |
| std::string inst_str; |
| std::unordered_set<std::string> 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 <typename T> |
| class UnifyConstantTest : public PassTest<T> { |
| 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<std::string> original_opnames; |
| std::tie(original_without_opnames, original_opnames) = |
| StripOpNameInstructionsToSet(original_before_strip); |
| |
| // expected code |
| std::string expected_without_opnames; |
| std::unordered_set<std::string> expected_opnames; |
| std::tie(expected_without_opnames, expected_opnames) = |
| StripOpNameInstructionsToSet(expected_builder.GetCode()); |
| |
| // optimized code |
| std::string optimized_before_strip; |
| auto status = Pass::Status::SuccessWithoutChange; |
| std::tie(optimized_before_strip, status) = |
| this->template SinglePassRunAndDisassemble<UnifyConstantPass>( |
| test_builder.GetCode(), |
| /* skip_nop = */ true, /* do_validation = */ false); |
| std::string optimized_without_opnames; |
| std::unordered_set<std::string> optimized_opnames; |
| std::tie(optimized_without_opnames, optimized_opnames) = |
| StripOpNameInstructionsToSet(optimized_before_strip); |
| |
| // Flag "status" should be returned correctly. |
| EXPECT_NE(Pass::Status::Failure, status); |
| EXPECT_EQ(expected_without_opnames == original_without_opnames, |
| status == 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<PassTest<::testing::Test>>; |
| |
| 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", |
| // preserved constants. %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<std::string> preserved_consts; |
| // expected uses of the preserved constants. |
| std::vector<std::string> use_preserved_consts; |
| // duplicated constants of the preserved constants. |
| std::vector<std::string> duplicate_consts; |
| // uses of the duplicated constants, expected to be updated to use the |
| // preserved constants. |
| std::vector<std::string> use_duplicate_consts; |
| // The updated OpName instructions that originally refer to duplicated |
| // constants. |
| std::vector<std::string> remapped_names; |
| }; |
| |
| using UnifyFrontEndConstantParamTest = UnifyConstantTest< |
| PassTest<::testing::TestWithParam<UnifyConstantTestCase>>>; |
| |
| 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_SUITE_P( |
| Case, UnifyFrontEndConstantParamTest, |
| :: |
| testing:: |
| ValuesIn( |
| std:: |
| vector<UnifyConstantTestCase>( |
| { |
| // 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 constant 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 constants 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 |
| }))); |
| |
| } // namespace |
| } // namespace opt |
| } // namespace spvtools |
