mirror of
https://github.com/KhronosGroup/SPIRV-Tools
synced 2024-11-30 06:50:06 +00:00
982 lines
41 KiB
C++
982 lines
41 KiB
C++
// Copyright (c) 2016 Google Inc.
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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#include <unordered_set>
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#include "assembly_builder.h"
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#include "pass_fixture.h"
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#include "pass_utils.h"
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namespace {
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using namespace spvtools;
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// Returns the types defining instructions commonly used in many tests.
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std::vector<std::string> CommonTypes() {
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return std::vector<std::string>{
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// clang-format off
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// scalar types
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"%bool = OpTypeBool",
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"%uint = OpTypeInt 32 0",
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"%int = OpTypeInt 32 1",
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"%uint64 = OpTypeInt 64 0",
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"%int64 = OpTypeInt 64 1",
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"%float = OpTypeFloat 32",
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"%double = OpTypeFloat 64",
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// vector types
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"%v2bool = OpTypeVector %bool 2",
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"%v2uint = OpTypeVector %uint 2",
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"%v2int = OpTypeVector %int 2",
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"%v3int = OpTypeVector %int 3",
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"%v4int = OpTypeVector %int 4",
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"%v2float = OpTypeVector %float 2",
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"%v3float = OpTypeVector %float 3",
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"%v2double = OpTypeVector %double 2",
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// struct types
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"%inner_struct = OpTypeStruct %bool %float",
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"%outer_struct = OpTypeStruct %inner_struct %int %double",
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"%flat_struct = OpTypeStruct %bool %int %float %double",
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// variable pointer types
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"%_pf_bool = OpTypePointer Function %bool",
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"%_pf_uint = OpTypePointer Function %uint",
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"%_pf_int = OpTypePointer Function %int",
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"%_pf_uint64 = OpTypePointer Function %uint64",
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"%_pf_int64 = OpTypePointer Function %int64",
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"%_pf_float = OpTypePointer Function %float",
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"%_pf_double = OpTypePointer Function %double",
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"%_pf_v2int = OpTypePointer Function %v2int",
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"%_pf_v3int = OpTypePointer Function %v3int",
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"%_pf_v4int = OpTypePointer Function %v4int",
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"%_pf_v2float = OpTypePointer Function %v2float",
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"%_pf_v3float = OpTypePointer Function %v3float",
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"%_pf_v2double = OpTypePointer Function %v2double",
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"%_pf_inner_struct = OpTypePointer Function %inner_struct",
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"%_pf_outer_struct = OpTypePointer Function %outer_struct",
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"%_pf_flat_struct = OpTypePointer Function %flat_struct",
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// clang-format on
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};
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}
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// A helper function to strip OpName instructions from the given string of
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// disassembly code and put those debug instructions to a set. Returns the
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// string with all OpName instruction stripped and a set of OpName
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// instructions.
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std::tuple<std::string, std::unordered_set<std::string>>
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StripOpNameInstructionsToSet(const std::string& str) {
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std::stringstream ss(str);
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std::ostringstream oss;
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std::string inst_str;
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std::unordered_set<std::string> opname_instructions;
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while (std::getline(ss, inst_str, '\n')) {
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if (inst_str.find("OpName %") == std::string::npos) {
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oss << inst_str << '\n';
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} else {
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opname_instructions.insert(inst_str);
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}
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}
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return std::make_tuple(oss.str(), std::move(opname_instructions));
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}
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// The test fixture for all tests of UnifyConstantPass. This fixture defines
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// the rule of checking: all the optimized code should be exactly the same as
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// the expected code, except the OpName instructions, which can be different in
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// order.
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template <typename T>
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class UnifyConstantTest : public PassTest<T> {
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protected:
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// Runs UnifyConstantPass on the code built from the given |test_builder|,
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// and checks whether the optimization result matches with the code built
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// from |expected_builder|.
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void Check(const AssemblyBuilder& expected_builder,
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const AssemblyBuilder& test_builder) {
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// unoptimized code
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const std::string original_before_strip = test_builder.GetCode();
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std::string original_without_opnames;
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std::unordered_set<std::string> original_opnames;
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std::tie(original_without_opnames, original_opnames) =
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StripOpNameInstructionsToSet(original_before_strip);
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// expected code
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std::string expected_without_opnames;
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std::unordered_set<std::string> expected_opnames;
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std::tie(expected_without_opnames, expected_opnames) =
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StripOpNameInstructionsToSet(expected_builder.GetCode());
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// optimized code
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std::string optimized_before_strip;
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auto status = opt::Pass::Status::SuccessWithoutChange;
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std::tie(optimized_before_strip, status) =
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this->template SinglePassRunAndDisassemble<opt::UnifyConstantPass>(
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test_builder.GetCode(),
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/* skip_nop = */ true);
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std::string optimized_without_opnames;
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std::unordered_set<std::string> optimized_opnames;
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std::tie(optimized_without_opnames, optimized_opnames) =
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StripOpNameInstructionsToSet(optimized_before_strip);
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// Flag "status" should be returned correctly.
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EXPECT_NE(opt::Pass::Status::Failure, status);
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EXPECT_EQ(expected_without_opnames == original_without_opnames,
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status == opt::Pass::Status::SuccessWithoutChange);
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// Code except OpName instructions should be exactly the same.
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EXPECT_EQ(expected_without_opnames, optimized_without_opnames);
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// OpName instructions can be in different order, but the content must be
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// the same.
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EXPECT_EQ(expected_opnames, optimized_opnames);
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}
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};
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using UnifyFrontEndConstantSingleTest =
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UnifyConstantTest<PassTest<::testing::Test>>;
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TEST_F(UnifyFrontEndConstantSingleTest, Basic) {
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AssemblyBuilder test_builder;
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AssemblyBuilder expected_builder;
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test_builder
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.AppendTypesConstantsGlobals({
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"%uint = OpTypeInt 32 0", "%_pf_uint = OpTypePointer Function %uint",
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"%unsigned_1 = OpConstant %uint 1",
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"%unsigned_1_duplicate = OpConstant %uint 1", // duplicated constant
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})
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.AppendInMain({
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"%uint_var = OpVariable %_pf_uint Function",
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"OpStore %uint_var %unsigned_1_duplicate",
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});
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expected_builder
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.AppendTypesConstantsGlobals({
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"%uint = OpTypeInt 32 0", "%_pf_uint = OpTypePointer Function %uint",
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"%unsigned_1 = OpConstant %uint 1",
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})
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.AppendInMain({
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"%uint_var = OpVariable %_pf_uint Function",
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"OpStore %uint_var %unsigned_1",
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})
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.AppendNames({
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"OpName %unsigned_1 \"unsigned_1_duplicate\"", // the OpName
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// instruction of the
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// removed duplicated
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// constant won't be
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// erased.
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});
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Check(expected_builder, test_builder);
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}
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TEST_F(UnifyFrontEndConstantSingleTest, SkipWhenResultIdHasDecorations) {
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AssemblyBuilder test_builder;
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AssemblyBuilder expected_builder;
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test_builder
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.AppendAnnotations({
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// So far we don't have valid decorations for constants. This is
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// preparing for the future updates of SPIR-V.
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// TODO(qining): change to a valid decoration once they are available.
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"OpDecorate %f_1 RelaxedPrecision",
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"OpDecorate %f_2_dup RelaxedPrecision",
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})
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.AppendTypesConstantsGlobals({
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// clang-format off
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"%float = OpTypeFloat 32",
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"%_pf_float = OpTypePointer Function %float",
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"%f_1 = OpConstant %float 1",
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// %f_1 has decoration, so %f_1 will not be used to replace %f_1_dup.
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"%f_1_dup = OpConstant %float 1",
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"%f_2 = OpConstant %float 2",
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// %_2_dup has decoration, so %f_2 will not replace %f_2_dup.
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"%f_2_dup = OpConstant %float 2",
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// no decoration for %f_3 or %f_3_dup, %f_3_dup should be replaced.
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"%f_3 = OpConstant %float 3",
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"%f_3_dup = OpConstant %float 3",
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// clang-format on
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})
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.AppendInMain({
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// clang-format off
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"%f_var = OpVariable %_pf_float Function",
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"OpStore %f_var %f_1_dup",
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"OpStore %f_var %f_2_dup",
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"OpStore %f_var %f_3_dup",
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// clang-format on
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});
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expected_builder
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.AppendAnnotations({
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"OpDecorate %f_1 RelaxedPrecision",
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"OpDecorate %f_2_dup RelaxedPrecision",
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})
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.AppendTypesConstantsGlobals({
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// clang-format off
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"%float = OpTypeFloat 32",
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"%_pf_float = OpTypePointer Function %float",
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"%f_1 = OpConstant %float 1",
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"%f_1_dup = OpConstant %float 1",
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"%f_2 = OpConstant %float 2",
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"%f_2_dup = OpConstant %float 2",
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"%f_3 = OpConstant %float 3",
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// clang-format on
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})
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.AppendInMain({
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// clang-format off
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"%f_var = OpVariable %_pf_float Function",
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"OpStore %f_var %f_1_dup",
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"OpStore %f_var %f_2_dup",
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"OpStore %f_var %f_3",
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// clang-format on
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})
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.AppendNames({
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"OpName %f_3 \"f_3_dup\"",
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});
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Check(expected_builder, test_builder);
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}
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TEST_F(UnifyFrontEndConstantSingleTest, UnifyWithDecorationOnTypes) {
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AssemblyBuilder test_builder;
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AssemblyBuilder expected_builder;
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test_builder
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.AppendAnnotations({
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"OpMemberDecorate %flat_d 1 RelaxedPrecision",
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})
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.AppendTypesConstantsGlobals({
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// clang-format off
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"%int = OpTypeInt 32 1",
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"%float = OpTypeFloat 32",
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"%flat = OpTypeStruct %int %float",
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"%_pf_flat = OpTypePointer Function %flat",
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// decorated flat struct
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"%flat_d = OpTypeStruct %int %float",
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"%_pf_flat_d = OpTypePointer Function %flat_d",
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// perserved contants. %flat_1 and %flat_d has same members, but
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// their type are different in decorations, so they should not be
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// used to replace each other.
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"%int_1 = OpConstant %int 1",
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"%float_1 = OpConstant %float 1",
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"%flat_1 = OpConstantComposite %flat %int_1 %float_1",
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"%flat_d_1 = OpConstantComposite %flat_d %int_1 %float_1",
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// duplicated constants.
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"%flat_1_dup = OpConstantComposite %flat %int_1 %float_1",
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"%flat_d_1_dup = OpConstantComposite %flat_d %int_1 %float_1",
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// clang-format on
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})
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.AppendInMain({
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"%flat_var = OpVariable %_pf_flat Function",
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"OpStore %flat_var %flat_1_dup",
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"%flat_d_var = OpVariable %_pf_flat_d Function",
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"OpStore %flat_d_var %flat_d_1_dup",
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});
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expected_builder
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.AppendAnnotations({
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"OpMemberDecorate %flat_d 1 RelaxedPrecision",
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})
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.AppendTypesConstantsGlobals({
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// clang-format off
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"%int = OpTypeInt 32 1",
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"%float = OpTypeFloat 32",
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"%flat = OpTypeStruct %int %float",
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"%_pf_flat = OpTypePointer Function %flat",
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// decorated flat struct
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"%flat_d = OpTypeStruct %int %float",
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"%_pf_flat_d = OpTypePointer Function %flat_d",
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"%int_1 = OpConstant %int 1",
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"%float_1 = OpConstant %float 1",
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"%flat_1 = OpConstantComposite %flat %int_1 %float_1",
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"%flat_d_1 = OpConstantComposite %flat_d %int_1 %float_1",
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// clang-format on
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})
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.AppendInMain({
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"%flat_var = OpVariable %_pf_flat Function",
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"OpStore %flat_var %flat_1",
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"%flat_d_var = OpVariable %_pf_flat_d Function",
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"OpStore %flat_d_var %flat_d_1",
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})
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.AppendNames({
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"OpName %flat_1 \"flat_1_dup\"", "OpName %flat_d_1 \"flat_d_1_dup\"",
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});
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Check(expected_builder, test_builder);
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}
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struct UnifyConstantTestCase {
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// preserved constants.
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std::vector<std::string> preserved_consts;
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// expected uses of the preserved constants.
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std::vector<std::string> use_preserved_consts;
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// duplicated constants of the preserved constants.
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std::vector<std::string> duplicate_consts;
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// uses of the duplicated constants, expected to be updated to use the
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// preserved constants.
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std::vector<std::string> use_duplicate_consts;
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// The updated OpName instructions that originally refer to duplicated
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// constants.
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std::vector<std::string> remapped_names;
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};
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using UnifyFrontEndConstantParamTest = UnifyConstantTest<
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PassTest<::testing::TestWithParam<UnifyConstantTestCase>>>;
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TEST_P(UnifyFrontEndConstantParamTest, TestCase) {
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auto& tc = GetParam();
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AssemblyBuilder test_builder;
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AssemblyBuilder expected_builder;
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test_builder.AppendTypesConstantsGlobals(CommonTypes());
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expected_builder.AppendTypesConstantsGlobals(CommonTypes());
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test_builder.AppendTypesConstantsGlobals(tc.preserved_consts)
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.AppendTypesConstantsGlobals(tc.duplicate_consts)
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.AppendInMain(tc.use_duplicate_consts);
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// Duplicated constants are killed in the expected output, and the debug
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// instructions attached to those duplicated instructions will be migrated to
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// the corresponding preserved constants.
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expected_builder.AppendTypesConstantsGlobals(tc.preserved_consts)
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.AppendInMain(tc.use_preserved_consts)
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.AppendNames(tc.remapped_names);
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Check(expected_builder, test_builder);
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}
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INSTANTIATE_TEST_CASE_P(Case, UnifyFrontEndConstantParamTest,
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::testing::ValuesIn(std::vector<UnifyConstantTestCase>({
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// clang-format off
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// basic tests for scalar constants
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{
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// preserved constants
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{
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"%bool_true = OpConstantTrue %bool",
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"%signed_1 = OpConstant %int 1",
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"%signed_minus_1 = OpConstant %int64 -1",
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"%unsigned_max = OpConstant %uint64 18446744073709551615",
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"%float_1 = OpConstant %float 1",
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"%double_1 = OpConstant %double 1",
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},
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// use preserved constants in main
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{
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"%bool_var = OpVariable %_pf_bool Function",
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"OpStore %bool_var %bool_true",
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"%int_var = OpVariable %_pf_int Function",
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"OpStore %int_var %signed_1",
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"%int64_var = OpVariable %_pf_int64 Function",
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"OpStore %int64_var %signed_minus_1",
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"%uint64_var = OpVariable %_pf_uint64 Function",
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"OpStore %uint64_var %unsigned_max",
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"%float_var = OpVariable %_pf_float Function",
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"OpStore %float_var %float_1",
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"%double_var = OpVariable %_pf_double Function",
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"OpStore %double_var %double_1",
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},
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// duplicated constants
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{
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"%bool_true_duplicate = OpConstantTrue %bool",
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"%signed_1_duplicate = OpConstant %int 1",
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"%signed_minus_1_duplicate = OpConstant %int64 -1",
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"%unsigned_max_duplicate = OpConstant %uint64 18446744073709551615",
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"%float_1_duplicate = OpConstant %float 1",
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"%double_1_duplicate = OpConstant %double 1",
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},
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// use duplicated constants in main
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{
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"%bool_var = OpVariable %_pf_bool Function",
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"OpStore %bool_var %bool_true_duplicate",
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"%int_var = OpVariable %_pf_int Function",
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"OpStore %int_var %signed_1_duplicate",
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"%int64_var = OpVariable %_pf_int64 Function",
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"OpStore %int64_var %signed_minus_1_duplicate",
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"%uint64_var = OpVariable %_pf_uint64 Function",
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"OpStore %uint64_var %unsigned_max_duplicate",
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"%float_var = OpVariable %_pf_float Function",
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"OpStore %float_var %float_1_duplicate",
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"%double_var = OpVariable %_pf_double Function",
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"OpStore %double_var %double_1_duplicate",
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},
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// remapped names
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{
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"OpName %bool_true \"bool_true_duplicate\"",
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"OpName %signed_1 \"signed_1_duplicate\"",
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"OpName %signed_minus_1 \"signed_minus_1_duplicate\"",
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"OpName %unsigned_max \"unsigned_max_duplicate\"",
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"OpName %float_1 \"float_1_duplicate\"",
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"OpName %double_1 \"double_1_duplicate\"",
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},
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},
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// NaN in different bit patterns should not be unified, but the ones
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// using same bit pattern should be unified.
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{
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// preserved constants
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{
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"%float_nan_1 = OpConstant %float 0x1.8p+128", // !2143289344, 7FC00000
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"%float_nan_2 = OpConstant %float 0x1.800002p+128",// !2143289345 7FC00001
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},
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// use preserved constants in main
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{
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"%float_var = OpVariable %_pf_float Function",
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"OpStore %float_var %float_nan_1",
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"OpStore %float_var %float_nan_2",
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},
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// duplicated constants
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{
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"%float_nan_1_duplicate = OpConstant %float 0x1.8p+128", // !2143289344, 7FC00000
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"%float_nan_2_duplicate = OpConstant %float 0x1.800002p+128",// !2143289345, 7FC00001
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},
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// use duplicated constants in main
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{
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"%float_var = OpVariable %_pf_float Function",
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"OpStore %float_var %float_nan_1_duplicate",
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"OpStore %float_var %float_nan_2_duplicate",
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},
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// remapped names
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{
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"OpName %float_nan_1 \"float_nan_1_duplicate\"",
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"OpName %float_nan_2 \"float_nan_2_duplicate\"",
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},
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},
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// null values
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{
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// preserved constants
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{
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"%bool_null = OpConstantNull %bool",
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"%signed_null = OpConstantNull %int",
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"%signed_64_null = OpConstantNull %int64",
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"%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
|