mirror of
https://github.com/KhronosGroup/SPIRV-Tools
synced 2024-11-22 11:40:05 +00:00
d35a78db57
Fixes #4960 * Switches to using enum classes with an underlying type to avoid undefined behaviour
367 lines
14 KiB
C++
367 lines
14 KiB
C++
// Copyright (c) 2019 Google LLC
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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 "source/fuzz/transformation_add_constant_scalar.h"
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#include "gtest/gtest.h"
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#include "source/fuzz/fuzzer_util.h"
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#include "test/fuzz/fuzz_test_util.h"
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namespace spvtools {
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namespace fuzz {
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namespace {
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TEST(TransformationAddConstantScalarTest, IsApplicable) {
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std::string reference_shader = R"(
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OpCapability Shader
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OpCapability Int64
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OpCapability Float64
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%1 = OpExtInstImport "GLSL.std.450"
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OpMemoryModel Logical GLSL450
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OpEntryPoint Vertex %17 "main"
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; Types
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; 32-bit types
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%2 = OpTypeInt 32 0
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%3 = OpTypeInt 32 1
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%4 = OpTypeFloat 32
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; 64-bit types
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%5 = OpTypeInt 64 0
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%6 = OpTypeInt 64 1
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%7 = OpTypeFloat 64
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%8 = OpTypePointer Private %2
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%9 = OpTypeVoid
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%10 = OpTypeFunction %9
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; Constants
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; 32-bit constants
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%11 = OpConstant %2 1
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%12 = OpConstant %3 2
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%13 = OpConstant %4 3
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; 64-bit constants
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%14 = OpConstant %5 1
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%15 = OpConstant %6 2
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%16 = OpConstant %7 3
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; main function
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%17 = OpFunction %9 None %10
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%18 = OpLabel
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OpReturn
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OpFunctionEnd
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)";
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const auto env = SPV_ENV_UNIVERSAL_1_3;
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const auto consumer = nullptr;
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const auto context =
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BuildModule(env, consumer, reference_shader, kFuzzAssembleOption);
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spvtools::ValidatorOptions validator_options;
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ASSERT_TRUE(fuzzerutil::IsValidAndWellFormed(context.get(), validator_options,
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kConsoleMessageConsumer));
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TransformationContext transformation_context(
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MakeUnique<FactManager>(context.get()), validator_options);
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// Tests |fresh_id| being non-fresh.
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auto transformation = TransformationAddConstantScalar(18, 2, {0}, false);
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ASSERT_FALSE(
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transformation.IsApplicable(context.get(), transformation_context));
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// Tests undefined |type_id|.
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transformation = TransformationAddConstantScalar(19, 20, {0}, false);
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ASSERT_FALSE(
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transformation.IsApplicable(context.get(), transformation_context));
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// Tests |type_id| not representing a type instruction.
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transformation = TransformationAddConstantScalar(19, 11, {0}, false);
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ASSERT_FALSE(
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transformation.IsApplicable(context.get(), transformation_context));
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// Tests |type_id| representing an OpTypePointer instruction.
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transformation = TransformationAddConstantScalar(19, 8, {0}, false);
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ASSERT_FALSE(
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transformation.IsApplicable(context.get(), transformation_context));
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// Tests |type_id| representing an OpTypeVoid instruction.
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transformation = TransformationAddConstantScalar(19, 9, {0}, false);
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ASSERT_FALSE(
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transformation.IsApplicable(context.get(), transformation_context));
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// Tests |words| having no words.
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transformation = TransformationAddConstantScalar(19, 2, {}, false);
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ASSERT_FALSE(
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transformation.IsApplicable(context.get(), transformation_context));
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// Tests |words| having 2 words for a 32-bit type.
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transformation = TransformationAddConstantScalar(19, 2, {0, 1}, false);
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ASSERT_FALSE(
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transformation.IsApplicable(context.get(), transformation_context));
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// Tests |words| having 3 words for a 64-bit type.
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transformation = TransformationAddConstantScalar(19, 5, {0, 1, 2}, false);
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ASSERT_FALSE(
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transformation.IsApplicable(context.get(), transformation_context));
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// Tests |words| having 2 words for a 32-bit float type.
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transformation = TransformationAddConstantScalar(19, 4, {0, 1}, false);
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ASSERT_FALSE(
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transformation.IsApplicable(context.get(), transformation_context));
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}
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TEST(TransformationAddConstantScalarTest, Apply) {
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std::string reference_shader = R"(
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OpCapability Shader
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OpCapability Int64
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OpCapability Float64
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%1 = OpExtInstImport "GLSL.std.450"
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OpMemoryModel Logical GLSL450
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OpEntryPoint Vertex %17 "main"
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; Types
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; 32-bit types
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%2 = OpTypeInt 32 0
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%3 = OpTypeInt 32 1
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%4 = OpTypeFloat 32
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; 64-bit types
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%5 = OpTypeInt 64 0
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%6 = OpTypeInt 64 1
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%7 = OpTypeFloat 64
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%8 = OpTypePointer Private %2
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%9 = OpTypeVoid
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%10 = OpTypeFunction %9
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; Constants
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; 32-bit constants
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%11 = OpConstant %2 1
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%12 = OpConstant %3 2
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%13 = OpConstant %4 3
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; 64-bit constants
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%14 = OpConstant %5 1
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%15 = OpConstant %6 2
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%16 = OpConstant %7 3
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; main function
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%17 = OpFunction %9 None %10
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%18 = OpLabel
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OpReturn
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OpFunctionEnd
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)";
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const auto env = SPV_ENV_UNIVERSAL_1_3;
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const auto consumer = nullptr;
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const auto context =
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BuildModule(env, consumer, reference_shader, kFuzzAssembleOption);
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spvtools::ValidatorOptions validator_options;
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ASSERT_TRUE(fuzzerutil::IsValidAndWellFormed(context.get(), validator_options,
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kConsoleMessageConsumer));
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TransformationContext transformation_context(
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MakeUnique<FactManager>(context.get()), validator_options);
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// Adds 32-bit unsigned integer (1 logical operand with 1 word).
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auto transformation = TransformationAddConstantScalar(19, 2, {4}, false);
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ASSERT_EQ(nullptr, context->get_def_use_mgr()->GetDef(19));
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ASSERT_EQ(nullptr, context->get_constant_mgr()->FindDeclaredConstant(19));
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ApplyAndCheckFreshIds(transformation, context.get(), &transformation_context);
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ASSERT_EQ(spv::Op::OpConstant,
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context->get_def_use_mgr()->GetDef(19)->opcode());
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ASSERT_EQ(4, context->get_constant_mgr()->FindDeclaredConstant(19)->GetU32());
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auto* constant_instruction = context->get_def_use_mgr()->GetDef(19);
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EXPECT_EQ(constant_instruction->NumInOperands(), 1);
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EXPECT_EQ(constant_instruction->NumInOperandWords(), 1);
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ASSERT_TRUE(fuzzerutil::IsValidAndWellFormed(context.get(), validator_options,
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kConsoleMessageConsumer));
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// Adds 32-bit signed integer (1 logical operand with 1 word).
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transformation = TransformationAddConstantScalar(20, 3, {5}, false);
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ApplyAndCheckFreshIds(transformation, context.get(), &transformation_context);
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constant_instruction = context->get_def_use_mgr()->GetDef(20);
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EXPECT_EQ(constant_instruction->NumInOperands(), 1);
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EXPECT_EQ(constant_instruction->NumInOperandWords(), 1);
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ASSERT_TRUE(fuzzerutil::IsValidAndWellFormed(context.get(), validator_options,
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kConsoleMessageConsumer));
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// Adds 32-bit float (1 logical operand with 1 word).
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transformation = TransformationAddConstantScalar(
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21, 4, {0b01000000110000000000000000000000}, false);
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ApplyAndCheckFreshIds(transformation, context.get(), &transformation_context);
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constant_instruction = context->get_def_use_mgr()->GetDef(21);
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EXPECT_EQ(constant_instruction->NumInOperands(), 1);
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EXPECT_EQ(constant_instruction->NumInOperandWords(), 1);
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ASSERT_TRUE(fuzzerutil::IsValidAndWellFormed(context.get(), validator_options,
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kConsoleMessageConsumer));
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// Adds 64-bit unsigned integer (1 logical operand with 2 words).
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transformation = TransformationAddConstantScalar(22, 5, {7, 0}, false);
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ApplyAndCheckFreshIds(transformation, context.get(), &transformation_context);
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constant_instruction = context->get_def_use_mgr()->GetDef(22);
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EXPECT_EQ(constant_instruction->NumInOperands(), 1);
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EXPECT_EQ(constant_instruction->NumInOperandWords(), 2);
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ASSERT_TRUE(fuzzerutil::IsValidAndWellFormed(context.get(), validator_options,
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kConsoleMessageConsumer));
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// Adds 64-bit signed integer (1 logical operand with 2 words).
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transformation = TransformationAddConstantScalar(23, 6, {8, 0}, false);
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ApplyAndCheckFreshIds(transformation, context.get(), &transformation_context);
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constant_instruction = context->get_def_use_mgr()->GetDef(23);
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EXPECT_EQ(constant_instruction->NumInOperands(), 1);
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EXPECT_EQ(constant_instruction->NumInOperandWords(), 2);
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ASSERT_TRUE(fuzzerutil::IsValidAndWellFormed(context.get(), validator_options,
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kConsoleMessageConsumer));
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// Adds 64-bit float (1 logical operand with 2 words).
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transformation = TransformationAddConstantScalar(
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24, 7, {0, 0b01000000001000100000000000000000}, false);
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ApplyAndCheckFreshIds(transformation, context.get(), &transformation_context);
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constant_instruction = context->get_def_use_mgr()->GetDef(24);
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EXPECT_EQ(constant_instruction->NumInOperands(), 1);
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EXPECT_EQ(constant_instruction->NumInOperandWords(), 2);
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ASSERT_TRUE(fuzzerutil::IsValidAndWellFormed(context.get(), validator_options,
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kConsoleMessageConsumer));
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// Adds irrelevant 32-bit unsigned integer (1 logical operand with 1 word).
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transformation = TransformationAddConstantScalar(25, 2, {10}, true);
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ApplyAndCheckFreshIds(transformation, context.get(), &transformation_context);
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constant_instruction = context->get_def_use_mgr()->GetDef(25);
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EXPECT_EQ(constant_instruction->NumInOperands(), 1);
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EXPECT_EQ(constant_instruction->NumInOperandWords(), 1);
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ASSERT_TRUE(fuzzerutil::IsValidAndWellFormed(context.get(), validator_options,
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kConsoleMessageConsumer));
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// Adds irrelevant 32-bit signed integer (1 logical operand with 1 word).
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transformation = TransformationAddConstantScalar(26, 3, {11}, true);
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ApplyAndCheckFreshIds(transformation, context.get(), &transformation_context);
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constant_instruction = context->get_def_use_mgr()->GetDef(26);
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EXPECT_EQ(constant_instruction->NumInOperands(), 1);
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EXPECT_EQ(constant_instruction->NumInOperandWords(), 1);
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ASSERT_TRUE(fuzzerutil::IsValidAndWellFormed(context.get(), validator_options,
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kConsoleMessageConsumer));
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// Adds irrelevant 32-bit float (1 logical operand with 1 word).
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transformation = TransformationAddConstantScalar(
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27, 4, {0b01000001010000000000000000000000}, true);
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ApplyAndCheckFreshIds(transformation, context.get(), &transformation_context);
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constant_instruction = context->get_def_use_mgr()->GetDef(27);
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EXPECT_EQ(constant_instruction->NumInOperands(), 1);
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EXPECT_EQ(constant_instruction->NumInOperandWords(), 1);
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ASSERT_TRUE(fuzzerutil::IsValidAndWellFormed(context.get(), validator_options,
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kConsoleMessageConsumer));
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// Adds irrelevant 64-bit unsigned integer (1 logical operand with 2 words).
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transformation = TransformationAddConstantScalar(28, 5, {13, 0}, true);
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ApplyAndCheckFreshIds(transformation, context.get(), &transformation_context);
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constant_instruction = context->get_def_use_mgr()->GetDef(28);
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EXPECT_EQ(constant_instruction->NumInOperands(), 1);
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EXPECT_EQ(constant_instruction->NumInOperandWords(), 2);
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ASSERT_TRUE(fuzzerutil::IsValidAndWellFormed(context.get(), validator_options,
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kConsoleMessageConsumer));
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// Adds irrelevant 64-bit signed integer (1 logical operand with 2 words).
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transformation = TransformationAddConstantScalar(29, 6, {14, 0}, true);
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ApplyAndCheckFreshIds(transformation, context.get(), &transformation_context);
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constant_instruction = context->get_def_use_mgr()->GetDef(29);
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EXPECT_EQ(constant_instruction->NumInOperands(), 1);
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EXPECT_EQ(constant_instruction->NumInOperandWords(), 2);
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ASSERT_TRUE(fuzzerutil::IsValidAndWellFormed(context.get(), validator_options,
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kConsoleMessageConsumer));
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// Adds irrelevant 64-bit float (1 logical operand with 2 words).
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transformation = TransformationAddConstantScalar(
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30, 7, {0, 0b01000000001011100000000000000000}, true);
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ApplyAndCheckFreshIds(transformation, context.get(), &transformation_context);
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constant_instruction = context->get_def_use_mgr()->GetDef(30);
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EXPECT_EQ(constant_instruction->NumInOperands(), 1);
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EXPECT_EQ(constant_instruction->NumInOperandWords(), 2);
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ASSERT_TRUE(fuzzerutil::IsValidAndWellFormed(context.get(), validator_options,
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kConsoleMessageConsumer));
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for (uint32_t result_id = 19; result_id <= 24; ++result_id) {
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ASSERT_FALSE(
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transformation_context.GetFactManager()->IdIsIrrelevant(result_id));
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}
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for (uint32_t result_id = 25; result_id <= 30; ++result_id) {
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ASSERT_TRUE(
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transformation_context.GetFactManager()->IdIsIrrelevant(result_id));
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}
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std::string variant_shader = R"(
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OpCapability Shader
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OpCapability Int64
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OpCapability Float64
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%1 = OpExtInstImport "GLSL.std.450"
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OpMemoryModel Logical GLSL450
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OpEntryPoint Vertex %17 "main"
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; Types
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; 32-bit types
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%2 = OpTypeInt 32 0
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%3 = OpTypeInt 32 1
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%4 = OpTypeFloat 32
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; 64-bit types
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%5 = OpTypeInt 64 0
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%6 = OpTypeInt 64 1
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%7 = OpTypeFloat 64
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%8 = OpTypePointer Private %2
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%9 = OpTypeVoid
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%10 = OpTypeFunction %9
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; Constants
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; 32-bit constants
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%11 = OpConstant %2 1
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%12 = OpConstant %3 2
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%13 = OpConstant %4 3
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; 64-bit constants
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%14 = OpConstant %5 1
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%15 = OpConstant %6 2
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%16 = OpConstant %7 3
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; added constants
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%19 = OpConstant %2 4
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%20 = OpConstant %3 5
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%21 = OpConstant %4 6
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%22 = OpConstant %5 7
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%23 = OpConstant %6 8
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%24 = OpConstant %7 9
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%25 = OpConstant %2 10
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%26 = OpConstant %3 11
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%27 = OpConstant %4 12
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%28 = OpConstant %5 13
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%29 = OpConstant %6 14
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%30 = OpConstant %7 15
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; main function
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%17 = OpFunction %9 None %10
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%18 = OpLabel
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OpReturn
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OpFunctionEnd
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)";
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ASSERT_TRUE(IsEqual(env, variant_shader, context.get()));
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}
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} // namespace
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} // namespace fuzz
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} // namespace spvtools
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