mirror of
https://github.com/KhronosGroup/SPIRV-Tools
synced 2024-12-24 16:51:06 +00:00
9150cd441f
Leaves SPV_ENV_WEBGPU_0 enum in place, but marked deprecated, so users of the library are not broken by an API enum being removed. Fixes #4101
394 lines
12 KiB
C++
394 lines
12 KiB
C++
// Copyright (c) 2017 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 <string>
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#include <vector>
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#include "gmock/gmock.h"
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#include "spirv-tools/libspirv.hpp"
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#include "spirv-tools/optimizer.hpp"
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#include "test/opt/pass_fixture.h"
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namespace spvtools {
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namespace opt {
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namespace {
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using ::testing::Eq;
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// Return a string that contains the minimum instructions needed to form
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// a valid module. Other instructions can be appended to this string.
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std::string Header() {
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return R"(OpCapability Shader
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OpCapability Linkage
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OpMemoryModel Logical GLSL450
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)";
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}
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TEST(Optimizer, CanRunNullPassWithDistinctInputOutputVectors) {
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SpirvTools tools(SPV_ENV_UNIVERSAL_1_0);
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std::vector<uint32_t> binary_in;
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tools.Assemble(Header() + "OpName %foo \"foo\"\n%foo = OpTypeVoid",
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&binary_in);
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Optimizer opt(SPV_ENV_UNIVERSAL_1_0);
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opt.RegisterPass(CreateNullPass());
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std::vector<uint32_t> binary_out;
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opt.Run(binary_in.data(), binary_in.size(), &binary_out);
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std::string disassembly;
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tools.Disassemble(binary_out.data(), binary_out.size(), &disassembly);
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EXPECT_THAT(disassembly,
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Eq(Header() + "OpName %foo \"foo\"\n%foo = OpTypeVoid\n"));
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}
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TEST(Optimizer, CanRunTransformingPassWithDistinctInputOutputVectors) {
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SpirvTools tools(SPV_ENV_UNIVERSAL_1_0);
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std::vector<uint32_t> binary_in;
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tools.Assemble(Header() + "OpName %foo \"foo\"\n%foo = OpTypeVoid",
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&binary_in);
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Optimizer opt(SPV_ENV_UNIVERSAL_1_0);
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opt.RegisterPass(CreateStripDebugInfoPass());
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std::vector<uint32_t> binary_out;
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opt.Run(binary_in.data(), binary_in.size(), &binary_out);
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std::string disassembly;
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tools.Disassemble(binary_out.data(), binary_out.size(), &disassembly);
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EXPECT_THAT(disassembly, Eq(Header() + "%void = OpTypeVoid\n"));
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}
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TEST(Optimizer, CanRunNullPassWithAliasedVectors) {
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SpirvTools tools(SPV_ENV_UNIVERSAL_1_0);
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std::vector<uint32_t> binary;
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tools.Assemble("OpName %foo \"foo\"\n%foo = OpTypeVoid", &binary);
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Optimizer opt(SPV_ENV_UNIVERSAL_1_0);
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opt.RegisterPass(CreateNullPass());
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opt.Run(binary.data(), binary.size(), &binary); // This is the key.
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std::string disassembly;
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tools.Disassemble(binary.data(), binary.size(), &disassembly);
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EXPECT_THAT(disassembly, Eq("OpName %foo \"foo\"\n%foo = OpTypeVoid\n"));
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}
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TEST(Optimizer, CanRunNullPassWithAliasedVectorDataButDifferentSize) {
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SpirvTools tools(SPV_ENV_UNIVERSAL_1_0);
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std::vector<uint32_t> binary;
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tools.Assemble(Header() + "OpName %foo \"foo\"\n%foo = OpTypeVoid", &binary);
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Optimizer opt(SPV_ENV_UNIVERSAL_1_0);
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opt.RegisterPass(CreateNullPass());
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auto orig_size = binary.size();
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// Now change the size. Add a word that will be ignored
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// by the optimizer.
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binary.push_back(42);
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EXPECT_THAT(orig_size + 1, Eq(binary.size()));
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opt.Run(binary.data(), orig_size, &binary); // This is the key.
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// The binary vector should have been rewritten.
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EXPECT_THAT(binary.size(), Eq(orig_size));
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std::string disassembly;
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tools.Disassemble(binary.data(), binary.size(), &disassembly);
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EXPECT_THAT(disassembly,
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Eq(Header() + "OpName %foo \"foo\"\n%foo = OpTypeVoid\n"));
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}
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TEST(Optimizer, CanRunTransformingPassWithAliasedVectors) {
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SpirvTools tools(SPV_ENV_UNIVERSAL_1_0);
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std::vector<uint32_t> binary;
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tools.Assemble(Header() + "OpName %foo \"foo\"\n%foo = OpTypeVoid", &binary);
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Optimizer opt(SPV_ENV_UNIVERSAL_1_0);
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opt.RegisterPass(CreateStripDebugInfoPass());
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opt.Run(binary.data(), binary.size(), &binary); // This is the key
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std::string disassembly;
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tools.Disassemble(binary.data(), binary.size(), &disassembly);
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EXPECT_THAT(disassembly, Eq(Header() + "%void = OpTypeVoid\n"));
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}
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TEST(Optimizer, CanValidateFlags) {
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Optimizer opt(SPV_ENV_UNIVERSAL_1_0);
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EXPECT_FALSE(opt.FlagHasValidForm("bad-flag"));
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EXPECT_TRUE(opt.FlagHasValidForm("-O"));
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EXPECT_TRUE(opt.FlagHasValidForm("-Os"));
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EXPECT_FALSE(opt.FlagHasValidForm("-O2"));
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EXPECT_TRUE(opt.FlagHasValidForm("--this_flag"));
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}
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TEST(Optimizer, CanRegisterPassesFromFlags) {
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SpirvTools tools(SPV_ENV_UNIVERSAL_1_0);
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Optimizer opt(SPV_ENV_UNIVERSAL_1_0);
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spv_message_level_t msg_level;
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const char* msg_fname;
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spv_position_t msg_position;
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const char* msg;
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auto examine_message = [&msg_level, &msg_fname, &msg_position, &msg](
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spv_message_level_t ml, const char* f,
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const spv_position_t& p, const char* m) {
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msg_level = ml;
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msg_fname = f;
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msg_position = p;
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msg = m;
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};
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opt.SetMessageConsumer(examine_message);
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std::vector<std::string> pass_flags = {
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"--strip-debug",
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"--strip-reflect",
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"--set-spec-const-default-value=23:42 21:12",
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"--if-conversion",
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"--freeze-spec-const",
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"--inline-entry-points-exhaustive",
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"--inline-entry-points-opaque",
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"--convert-local-access-chains",
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"--eliminate-dead-code-aggressive",
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"--eliminate-insert-extract",
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"--eliminate-local-single-block",
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"--eliminate-local-single-store",
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"--merge-blocks",
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"--merge-return",
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"--eliminate-dead-branches",
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"--eliminate-dead-functions",
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"--eliminate-local-multi-store",
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"--eliminate-dead-const",
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"--eliminate-dead-inserts",
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"--eliminate-dead-variables",
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"--fold-spec-const-op-composite",
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"--loop-unswitch",
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"--scalar-replacement=300",
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"--scalar-replacement",
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"--strength-reduction",
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"--unify-const",
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"--flatten-decorations",
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"--compact-ids",
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"--cfg-cleanup",
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"--local-redundancy-elimination",
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"--loop-invariant-code-motion",
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"--reduce-load-size",
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"--redundancy-elimination",
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"--private-to-local",
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"--remove-duplicates",
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"--workaround-1209",
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"--replace-invalid-opcode",
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"--simplify-instructions",
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"--ssa-rewrite",
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"--copy-propagate-arrays",
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"--loop-fission=20",
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"--loop-fusion=2",
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"--loop-unroll",
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"--vector-dce",
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"--loop-unroll-partial=3",
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"--loop-peeling",
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"--ccp",
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"-O",
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"-Os",
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"--legalize-hlsl"};
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EXPECT_TRUE(opt.RegisterPassesFromFlags(pass_flags));
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// Test some invalid flags.
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EXPECT_FALSE(opt.RegisterPassFromFlag("-O2"));
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EXPECT_EQ(msg_level, SPV_MSG_ERROR);
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EXPECT_FALSE(opt.RegisterPassFromFlag("-loop-unroll"));
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EXPECT_EQ(msg_level, SPV_MSG_ERROR);
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EXPECT_FALSE(opt.RegisterPassFromFlag("--set-spec-const-default-value"));
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EXPECT_EQ(msg_level, SPV_MSG_ERROR);
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EXPECT_FALSE(opt.RegisterPassFromFlag("--scalar-replacement=s"));
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EXPECT_EQ(msg_level, SPV_MSG_ERROR);
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EXPECT_FALSE(opt.RegisterPassFromFlag("--loop-fission=-4"));
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EXPECT_EQ(msg_level, SPV_MSG_ERROR);
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EXPECT_FALSE(opt.RegisterPassFromFlag("--loop-fusion=xx"));
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EXPECT_EQ(msg_level, SPV_MSG_ERROR);
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EXPECT_FALSE(opt.RegisterPassFromFlag("--loop-unroll-partial"));
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EXPECT_EQ(msg_level, SPV_MSG_ERROR);
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}
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TEST(Optimizer, RemoveNop) {
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// Test that OpNops are removed even if no optimizations are run.
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const std::string before = R"(OpCapability Shader
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OpCapability Linkage
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OpMemoryModel Logical GLSL450
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%void = OpTypeVoid
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%2 = OpTypeFunction %void
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%3 = OpFunction %void None %2
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%4 = OpLabel
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OpNop
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OpReturn
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OpFunctionEnd
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)";
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const std::string after = R"(OpCapability Shader
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OpCapability Linkage
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OpMemoryModel Logical GLSL450
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%void = OpTypeVoid
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%2 = OpTypeFunction %void
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%3 = OpFunction %void None %2
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%4 = OpLabel
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OpReturn
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OpFunctionEnd
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)";
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std::vector<uint32_t> binary;
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{
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SpirvTools tools(SPV_ENV_VULKAN_1_1);
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tools.Assemble(before, &binary);
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}
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Optimizer opt(SPV_ENV_VULKAN_1_1);
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std::vector<uint32_t> optimized;
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class ValidatorOptions validator_options;
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ASSERT_TRUE(opt.Run(binary.data(), binary.size(), &optimized,
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validator_options, true))
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<< before << "\n";
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std::string disassembly;
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{
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SpirvTools tools(SPV_ENV_VULKAN_1_1);
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tools.Disassemble(optimized.data(), optimized.size(), &disassembly);
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}
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EXPECT_EQ(after, disassembly)
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<< "Was expecting the OpNop to have been removed.";
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}
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TEST(Optimizer, AvoidIntegrityCheckForExtraLineInfo) {
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// Test that it avoids the integrity check when no optimizations are run and
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// OpLines are propagated.
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const std::string before = R"(OpCapability Shader
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OpCapability Linkage
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OpMemoryModel Logical GLSL450
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%1 = OpString "Test"
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%void = OpTypeVoid
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%3 = OpTypeFunction %void
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%uint = OpTypeInt 32 0
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%_ptr_Function_uint = OpTypePointer Function %uint
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%6 = OpFunction %void None %3
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%7 = OpLabel
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OpLine %1 10 0
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%8 = OpVariable %_ptr_Function_uint Function
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OpLine %1 10 0
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%9 = OpVariable %_ptr_Function_uint Function
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OpLine %1 20 0
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OpReturn
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OpFunctionEnd
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)";
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const std::string after = R"(OpCapability Shader
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OpCapability Linkage
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OpMemoryModel Logical GLSL450
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%1 = OpString "Test"
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%void = OpTypeVoid
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%3 = OpTypeFunction %void
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%uint = OpTypeInt 32 0
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%_ptr_Function_uint = OpTypePointer Function %uint
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%6 = OpFunction %void None %3
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%7 = OpLabel
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OpLine %1 10 0
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%8 = OpVariable %_ptr_Function_uint Function
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%9 = OpVariable %_ptr_Function_uint Function
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OpLine %1 20 0
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OpReturn
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OpFunctionEnd
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)";
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std::vector<uint32_t> binary;
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SpirvTools tools(SPV_ENV_VULKAN_1_1);
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tools.Assemble(before, &binary);
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Optimizer opt(SPV_ENV_VULKAN_1_1);
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std::vector<uint32_t> optimized;
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class ValidatorOptions validator_options;
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ASSERT_TRUE(opt.Run(binary.data(), binary.size(), &optimized,
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validator_options, true))
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<< before << "\n";
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std::string disassembly;
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tools.Disassemble(optimized.data(), optimized.size(), &disassembly);
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EXPECT_EQ(after, disassembly)
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<< "Was expecting the OpLine to have been propagated.";
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}
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TEST(Optimizer, AvoidIntegrityCheckForDebugScope) {
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// Test that it avoids the integrity check when the code contains DebugScope.
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const std::string before = R"(OpCapability Shader
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%1 = OpExtInstImport "OpenCL.DebugInfo.100"
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OpMemoryModel Logical GLSL450
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OpEntryPoint Fragment %main "main"
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OpExecutionMode %main OriginUpperLeft
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%3 = OpString "simple_vs.hlsl"
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OpSource HLSL 600 %3
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OpName %main "main"
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%void = OpTypeVoid
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%5 = OpTypeFunction %void
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%6 = OpExtInst %void %1 DebugSource %3
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%7 = OpExtInst %void %1 DebugCompilationUnit 2 4 %6 HLSL
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%main = OpFunction %void None %5
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%14 = OpLabel
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%26 = OpExtInst %void %1 DebugScope %7
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OpReturn
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%27 = OpExtInst %void %1 DebugNoScope
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OpFunctionEnd
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)";
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const std::string after = R"(OpCapability Shader
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%1 = OpExtInstImport "OpenCL.DebugInfo.100"
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OpMemoryModel Logical GLSL450
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OpEntryPoint Fragment %main "main"
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OpExecutionMode %main OriginUpperLeft
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%3 = OpString "simple_vs.hlsl"
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OpSource HLSL 600 %3
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OpName %main "main"
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%void = OpTypeVoid
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%5 = OpTypeFunction %void
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%6 = OpExtInst %void %1 DebugSource %3
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%7 = OpExtInst %void %1 DebugCompilationUnit 2 4 %6 HLSL
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%main = OpFunction %void None %5
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%8 = OpLabel
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%11 = OpExtInst %void %1 DebugScope %7
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OpReturn
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%12 = OpExtInst %void %1 DebugNoScope
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OpFunctionEnd
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)";
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std::vector<uint32_t> binary;
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SpirvTools tools(SPV_ENV_VULKAN_1_1);
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tools.Assemble(before, &binary);
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Optimizer opt(SPV_ENV_VULKAN_1_1);
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std::vector<uint32_t> optimized;
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ASSERT_TRUE(opt.Run(binary.data(), binary.size(), &optimized))
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<< before << "\n";
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std::string disassembly;
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tools.Disassemble(optimized.data(), optimized.size(), &disassembly);
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EXPECT_EQ(after, disassembly)
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<< "Was expecting the result id of DebugScope to have been changed.";
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}
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} // namespace
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} // namespace opt
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} // namespace spvtools
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