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// Copyright 2020 The Tint Authors.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
#include "gmock/gmock.h"
#include "src/reader/spirv/function.h"
#include "src/reader/spirv/parser_impl_test_helper.h"
#include "src/reader/spirv/spirv_tools_helpers_test.h"
namespace tint {
namespace reader {
namespace spirv {
namespace {
using ::testing::HasSubstr;
std::string Preamble() {
return R"(
OpCapability Shader
OpMemoryModel Logical Simple
OpEntryPoint Fragment %100 "x_100"
OpExecutionMode %100 OriginUpperLeft
)";
}
/// @returns a SPIR-V assembly segment which assigns debug names
/// to particular IDs.
std::string Names(std::vector<std::string> ids) {
std::ostringstream outs;
for (auto& id : ids) {
outs << " OpName %" << id << " \"" << id << "\"\n";
}
return outs.str();
}
std::string CommonTypes() {
return R"(
%void = OpTypeVoid
%voidfn = OpTypeFunction %void
%float = OpTypeFloat 32
%uint = OpTypeInt 32 0
%int = OpTypeInt 32 1
%float_0 = OpConstant %float 0.0
)";
}
std::string MainBody() {
return R"(
%100 = OpFunction %void None %voidfn
%entry_100 = OpLabel
OpReturn
OpFunctionEnd
)";
}
TEST_F(SpvParserTest, Emit_VoidFunctionWithoutParams) {
auto p = parser(test::Assemble(Preamble() + CommonTypes() + R"(
%100 = OpFunction %void None %voidfn
%entry = OpLabel
OpReturn
OpFunctionEnd
)"));
ASSERT_TRUE(p->BuildAndParseInternalModuleExceptFunctions());
auto fe = p->function_emitter(100);
EXPECT_TRUE(fe.Emit());
auto got = p->program().to_str();
std::string expect = R"(Module{
Function x_100 -> __void
()
{
Return{}
}
}
)";
EXPECT_EQ(got, expect);
}
TEST_F(SpvParserTest, Emit_NonVoidResultType) {
auto p = parser(test::Assemble(Preamble() + CommonTypes() + R"(
%fn_ret_float = OpTypeFunction %float
%200 = OpFunction %float None %fn_ret_float
%entry = OpLabel
OpReturnValue %float_0
OpFunctionEnd
)" + MainBody()));
ASSERT_TRUE(p->BuildAndParseInternalModuleExceptFunctions());
auto fe = p->function_emitter(200);
EXPECT_TRUE(fe.Emit());
auto got = p->program().to_str();
std::string expect = R"(Module{
Function x_200 -> __f32
()
{
Return{
{
ScalarConstructor[not set]{0.000000}
}
}
}
}
)";
EXPECT_THAT(got, HasSubstr(expect));
}
TEST_F(SpvParserTest, Emit_MixedParamTypes) {
auto p = parser(
test::Assemble(Preamble() + Names({"a", "b", "c"}) + CommonTypes() + R"(
%fn_mixed_params = OpTypeFunction %void %uint %float %int
%200 = OpFunction %void None %fn_mixed_params
%a = OpFunctionParameter %uint
%b = OpFunctionParameter %float
%c = OpFunctionParameter %int
%mixed_entry = OpLabel
OpReturn
OpFunctionEnd
)" + MainBody()));
ASSERT_TRUE(p->BuildAndParseInternalModuleExceptFunctions());
auto fe = p->function_emitter(200);
EXPECT_TRUE(fe.Emit());
auto got = p->program().to_str();
std::string expect = R"(Module{
Function x_200 -> __void
(
VariableConst{
a
none
undefined
__u32
}
VariableConst{
b
none
undefined
__f32
}
VariableConst{
c
none
undefined
__i32
}
)
{
Return{}
}
}
)";
EXPECT_THAT(got, HasSubstr(expect));
}
TEST_F(SpvParserTest, Emit_GenerateParamNames) {
auto p = parser(test::Assemble(Preamble() + CommonTypes() + R"(
%fn_mixed_params = OpTypeFunction %void %uint %float %int
%200 = OpFunction %void None %fn_mixed_params
%14 = OpFunctionParameter %uint
%15 = OpFunctionParameter %float
%16 = OpFunctionParameter %int
%mixed_entry = OpLabel
OpReturn
OpFunctionEnd
)" + MainBody()));
ASSERT_TRUE(p->BuildAndParseInternalModuleExceptFunctions());
auto fe = p->function_emitter(200);
EXPECT_TRUE(fe.Emit());
auto got = p->program().to_str();
std::string expect = R"(Module{
Function x_200 -> __void
(
VariableConst{
x_14
none
undefined
__u32
}
VariableConst{
x_15
none
undefined
__f32
}
VariableConst{
x_16
none
undefined
__i32
}
)
{
Return{}
}
}
)";
EXPECT_THAT(got, HasSubstr(expect));
}
} // namespace
} // namespace spirv
} // namespace reader
} // namespace tint