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SPIRV-Tools/test/opt/unify_const_test.cpp
luzpaz 65ecfd1093
Fix various source comment (doxygen) typos (#4680) 
Found via `codespell -q 3 -L fo,lod,parm
2022-01-26 15:13:08 -05:00

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// 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
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