SPIRV-Tools/test/preserve_numeric_ids_test.cpp

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// Copyright (c) 2017 Google Inc.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
// Tests for unique type declaration rules validator.
#include <string>
#include "source/text.h"
#include "source/text_handler.h"
#include "test_fixture.h"
namespace {
using spvtest::ScopedContext;
// Converts code to binary and then back to text.
spv_result_t ToBinaryAndBack(
const std::string& before, std::string* after,
uint32_t text_to_binary_options = SPV_TEXT_TO_BINARY_OPTION_NONE,
uint32_t binary_to_text_options = SPV_BINARY_TO_TEXT_OPTION_NONE,
spv_target_env env = SPV_ENV_UNIVERSAL_1_0) {
ScopedContext ctx(env);
spv_binary binary;
spv_text text;
spv_result_t result =
spvTextToBinaryWithOptions(ctx.context, before.c_str(), before.size(),
text_to_binary_options, &binary, nullptr);
if (result != SPV_SUCCESS) {
return result;
}
result = spvBinaryToText(ctx.context, binary->code, binary->wordCount,
binary_to_text_options, &text, nullptr);
if (result != SPV_SUCCESS) {
return result;
}
*after = std::string(text->str, text->length);
spvBinaryDestroy(binary);
spvTextDestroy(text);
return SPV_SUCCESS;
}
TEST(ToBinaryAndBack, DontPreserveNumericIds) {
const std::string before =
R"(OpCapability Addresses
OpCapability Kernel
OpCapability GenericPointer
OpCapability Linkage
OpMemoryModel Physical32 OpenCL
%i32 = OpTypeInt 32 1
%u32 = OpTypeInt 32 0
%f32 = OpTypeFloat 32
%200 = OpTypeVoid
%300 = OpTypeFunction %200
%main = OpFunction %200 None %300
%entry = OpLabel
%100 = OpConstant %u32 100
%1 = OpConstant %u32 200
%2 = OpConstant %u32 300
OpReturn
OpFunctionEnd
)";
const std::string expected =
R"(OpCapability Addresses
OpCapability Kernel
OpCapability GenericPointer
OpCapability Linkage
OpMemoryModel Physical32 OpenCL
%1 = OpTypeInt 32 1
%2 = OpTypeInt 32 0
%3 = OpTypeFloat 32
%4 = OpTypeVoid
%5 = OpTypeFunction %4
%6 = OpFunction %4 None %5
%7 = OpLabel
%8 = OpConstant %2 100
%9 = OpConstant %2 200
%10 = OpConstant %2 300
OpReturn
OpFunctionEnd
)";
std::string after;
EXPECT_EQ(SPV_SUCCESS,
ToBinaryAndBack(before, &after, SPV_TEXT_TO_BINARY_OPTION_NONE,
SPV_BINARY_TO_TEXT_OPTION_NO_HEADER));
EXPECT_EQ(expected, after);
}
TEST(TextHandler, PreserveNumericIds) {
const std::string before =
R"(OpCapability Addresses
OpCapability Kernel
OpCapability GenericPointer
OpCapability Linkage
OpMemoryModel Physical32 OpenCL
%i32 = OpTypeInt 32 1
%u32 = OpTypeInt 32 0
%f32 = OpTypeFloat 32
%200 = OpTypeVoid
%300 = OpTypeFunction %200
%main = OpFunction %200 None %300
%entry = OpLabel
%100 = OpConstant %u32 100
%1 = OpConstant %u32 200
%2 = OpConstant %u32 300
OpReturn
OpFunctionEnd
)";
const std::string expected =
R"(OpCapability Addresses
OpCapability Kernel
OpCapability GenericPointer
OpCapability Linkage
OpMemoryModel Physical32 OpenCL
%3 = OpTypeInt 32 1
%4 = OpTypeInt 32 0
%5 = OpTypeFloat 32
%200 = OpTypeVoid
%300 = OpTypeFunction %200
%6 = OpFunction %200 None %300
%7 = OpLabel
%100 = OpConstant %4 100
%1 = OpConstant %4 200
%2 = OpConstant %4 300
OpReturn
OpFunctionEnd
)";
std::string after;
EXPECT_EQ(SPV_SUCCESS,
ToBinaryAndBack(before, &after,
SPV_TEXT_TO_BINARY_OPTION_PRESERVE_NUMERIC_IDS,
SPV_BINARY_TO_TEXT_OPTION_NO_HEADER));
EXPECT_EQ(expected, after);
}
} // namespace