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// Copyright 2023 The Dawn & Tint Authors
//
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions are met:
//
// 1. Redistributions of source code must retain the above copyright notice, this
// list of conditions and the following disclaimer.
//
// 2. Redistributions in binary form must reproduce the above copyright notice,
// this list of conditions and the following disclaimer in the documentation
// and/or other materials provided with the distribution.
//
// 3. Neither the name of the copyright holder nor the names of its
// contributors may be used to endorse or promote products derived from
// this software without specific prior written permission.
//
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
// AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
// IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
// DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
// FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
// DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
// SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
// CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
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// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
#include "src/tint/lang/core/fluent_types.h"
#include "src/tint/lang/msl/writer/printer/helper_test.h"
#include "src/tint/utils/text/string_stream.h"
using namespace tint::core::number_suffixes; // NOLINT
using namespace tint::core::fluent_types; // NOLINT
namespace tint::msl::writer {
namespace {
struct BinaryData {
const char* result;
core::BinaryOp op;
};
inline std::ostream& operator<<(std::ostream& out, BinaryData data) {
StringStream str;
str << data.op;
out << str.str();
return out;
}
using MslPrinterBinaryTest = MslPrinterTestWithParam<BinaryData>;
TEST_P(MslPrinterBinaryTest, Emit) {
auto params = GetParam();
auto* func = b.Function("foo", ty.void_());
b.Append(func->Block(), [&] {
auto* l = b.Let("left", b.Constant(1_u));
auto* r = b.Let("right", b.Constant(2_u));
auto* bin = b.Binary(params.op, ty.u32(), l, r);
b.Let("val", bin);
b.Return(func);
});
ASSERT_TRUE(Generate()) << err_ << output_;
EXPECT_EQ(output_, MetalHeader() + R"(
void foo() {
uint const left = 1u;
uint const right = 2u;
uint const val = )" + params.result +
R"(;
}
)");
}
INSTANTIATE_TEST_SUITE_P(MslPrinterTest,
MslPrinterBinaryTest,
testing::Values(BinaryData{"(left + right)", core::BinaryOp::kAdd},
BinaryData{"(left - right)", core::BinaryOp::kSubtract},
BinaryData{"(left * right)", core::BinaryOp::kMultiply},
BinaryData{"(left & right)", core::BinaryOp::kAnd},
BinaryData{"(left | right)", core::BinaryOp::kOr},
BinaryData{"(left ^ right)", core::BinaryOp::kXor}));
TEST_F(MslPrinterTest, BinaryDivU32) {
auto* func = b.Function("foo", ty.void_());
b.Append(func->Block(), [&] {
auto* l = b.Let("left", b.Constant(1_u));
auto* r = b.Let("right", b.Constant(2_u));
auto* bin = b.Binary(core::BinaryOp::kDivide, ty.u32(), l, r);
b.Let("val", bin);
b.Return(func);
});
ASSERT_TRUE(Generate()) << err_ << output_;
EXPECT_EQ(output_, MetalHeader() + R"(
void foo() {
uint const left = 1u;
uint const right = 2u;
uint const val = tint_div_u32(left, right);
}
uint tint_div_u32(uint lhs, uint rhs) {
return (lhs / select(rhs, 1u, (rhs == 0u)));
}
)");
}
TEST_F(MslPrinterTest, BinaryModU32) {
auto* func = b.Function("foo", ty.void_());
b.Append(func->Block(), [&] {
auto* l = b.Let("left", b.Constant(1_u));
auto* r = b.Let("right", b.Constant(2_u));
auto* bin = b.Binary(core::BinaryOp::kModulo, ty.u32(), l, r);
b.Let("val", bin);
b.Return(func);
});
ASSERT_TRUE(Generate()) << err_ << output_;
EXPECT_EQ(output_, MetalHeader() + R"(
void foo() {
uint const left = 1u;
uint const right = 2u;
uint const val = tint_mod_u32(left, right);
}
uint tint_mod_u32(uint lhs, uint rhs) {
uint const v = select(rhs, 1u, (rhs == 0u));
return (lhs - ((lhs / v) * v));
}
)");
}
TEST_F(MslPrinterTest, BinaryShiftLeft) {
auto* func = b.Function("foo", ty.void_());
b.Append(func->Block(), [&] {
auto* l = b.Let("left", b.Constant(1_u));
auto* r = b.Let("right", b.Constant(2_u));
auto* bin = b.Binary(core::BinaryOp::kShiftLeft, ty.u32(), l, r);
b.Let("val", bin);
b.Return(func);
});
ASSERT_TRUE(Generate()) << err_ << output_;
EXPECT_EQ(output_, MetalHeader() + R"(
void foo() {
uint const left = 1u;
uint const right = 2u;
uint const val = (left << (right & 31u));
}
)");
}
TEST_F(MslPrinterTest, BinaryShiftRight) {
auto* func = b.Function("foo", ty.void_());
b.Append(func->Block(), [&] {
auto* l = b.Let("left", b.Constant(1_u));
auto* r = b.Let("right", b.Constant(2_u));
auto* bin = b.Binary(core::BinaryOp::kShiftRight, ty.u32(), l, r);
b.Let("val", bin);
b.Return(func);
});
ASSERT_TRUE(Generate()) << err_ << output_;
EXPECT_EQ(output_, MetalHeader() + R"(
void foo() {
uint const left = 1u;
uint const right = 2u;
uint const val = (left >> (right & 31u));
}
)");
}
using MslPrinterBinaryBoolTest = MslPrinterTestWithParam<BinaryData>;
TEST_P(MslPrinterBinaryBoolTest, Emit) {
auto params = GetParam();
auto* func = b.Function("foo", ty.void_());
b.Append(func->Block(), [&] {
auto* l = b.Let("left", b.Constant(1_u));
auto* r = b.Let("right", b.Constant(2_u));
auto* bin = b.Binary(params.op, ty.bool_(), l, r);
b.Let("val", bin);
b.Return(func);
});
ASSERT_TRUE(Generate()) << err_ << output_;
EXPECT_EQ(output_, MetalHeader() + R"(
void foo() {
uint const left = 1u;
uint const right = 2u;
bool const val = )" + params.result +
R"(;
}
)");
}
INSTANTIATE_TEST_SUITE_P(
MslPrinterTest,
MslPrinterBinaryBoolTest,
testing::Values(BinaryData{"(left == right)", core::BinaryOp::kEqual},
BinaryData{"(left != right)", core::BinaryOp::kNotEqual},
BinaryData{"(left < right)", core::BinaryOp::kLessThan},
BinaryData{"(left > right)", core::BinaryOp::kGreaterThan},
BinaryData{"(left <= right)", core::BinaryOp::kLessThanEqual},
BinaryData{"(left >= right)", core::BinaryOp::kGreaterThanEqual}));
// TODO(dsinclair): Needs transform
// TODO(dsinclair): Requires `bitcast` support
using MslPrinterBinaryTest_SignedOverflowDefinedBehaviour = MslPrinterTestWithParam<BinaryData>;
TEST_P(MslPrinterBinaryTest_SignedOverflowDefinedBehaviour, DISABLED_Emit) {
auto params = GetParam();
auto* func = b.Function("foo", ty.void_());
b.Append(func->Block(), [&] {
auto* l = b.Let("a", b.Constant(1_i));
auto* r = b.Let("b", b.Constant(3_i));
auto* bin = b.Binary(params.op, ty.i32(), l, r);
b.Let("val", bin);
b.Return(func);
});
ASSERT_TRUE(Generate()) << err_ << output_;
EXPECT_EQ(output_, MetalHeader() + R"(
void foo() {
int const left = 1i;
int const right = 3i;
int const val = )" + params.result +
R"(;
}
)");
}
constexpr BinaryData signed_overflow_defined_behaviour_cases[] = {
{"as_type<int>((as_type<uint>(left) + as_type<uint>(right)))", core::BinaryOp::kAdd},
{"as_type<int>((as_type<uint>(left) - as_type<uint>(right)))", core::BinaryOp::kSubtract},
{"as_type<int>((as_type<uint>(left) * as_type<uint>(right)))", core::BinaryOp::kMultiply}};
INSTANTIATE_TEST_SUITE_P(MslPrinterTest,
MslPrinterBinaryTest_SignedOverflowDefinedBehaviour,
testing::ValuesIn(signed_overflow_defined_behaviour_cases));
// TODO(dsinclair): Needs transform
// TODO(dsinclair): Requires `bitcast` support
using MslPrinterBinaryTest_ShiftSignedOverflowDefinedBehaviour =
MslPrinterTestWithParam<BinaryData>;
TEST_P(MslPrinterBinaryTest_ShiftSignedOverflowDefinedBehaviour, DISABLED_Emit) {
auto params = GetParam();
auto* func = b.Function("foo", ty.void_());
b.Append(func->Block(), [&] {
auto* l = b.Let("a", b.Constant(1_i));
auto* r = b.Let("b", b.Constant(2_u));
auto* bin = b.Binary(params.op, ty.i32(), l, r);
b.Let("val", bin);
b.Return(func);
});
ASSERT_TRUE(Generate()) << err_ << output_;
EXPECT_EQ(output_, MetalHeader() + R"(
void foo() {
int const left = 1i;
uint const right = 2u;
int const val = )" + params.result +
R"(;
}
)");
}
constexpr BinaryData shift_signed_overflow_defined_behaviour_cases[] = {
{"as_type<int>((as_type<uint>(left) << right))", core::BinaryOp::kShiftLeft},
{"(left >> right)", core::BinaryOp::kShiftRight}};
INSTANTIATE_TEST_SUITE_P(MslPrinterTest,
MslPrinterBinaryTest_ShiftSignedOverflowDefinedBehaviour,
testing::ValuesIn(shift_signed_overflow_defined_behaviour_cases));
// TODO(dsinclair): Needs transform
// TODO(dsinclair): Requires `bitcast`
using MslPrinterBinaryTest_SignedOverflowDefinedBehaviour_Chained =
MslPrinterTestWithParam<BinaryData>;
TEST_P(MslPrinterBinaryTest_SignedOverflowDefinedBehaviour_Chained, DISABLED_Emit) {
auto params = GetParam();
auto* func = b.Function("foo", ty.void_());
b.Append(func->Block(), [&] {
auto* left = b.Var("left", ty.ptr<core::AddressSpace::kFunction, i32>());
auto* right = b.Var("right", ty.ptr<core::AddressSpace::kFunction, i32>());
auto* expr1 = b.Binary(params.op, ty.i32(), left, right);
auto* expr2 = b.Binary(params.op, ty.i32(), expr1, right);
b.Let("val", expr2);
});
ASSERT_TRUE(Generate()) << err_ << output_;
EXPECT_EQ(output_, MetalHeader() + R"(
void foo() {
int left;
int right;
int const val = )" + params.result +
R"(;
)");
}
constexpr BinaryData signed_overflow_defined_behaviour_chained_cases[] = {
{R"(as_type<int>((as_type<uint>(as_type<int>((as_type<uint>(left) + as_type<uint>(right)))) +
as_type<uint>(right))))",
core::BinaryOp::kAdd},
{R"(as_type<int>((as_type<uint>(as_type<int>((as_type<uint>(left) - as_type<uint>(right)))) -
as_type<uint>(right))))",
core::BinaryOp::kSubtract},
{R"(as_type<int>((as_type<uint>(as_type<int>((as_type<uint>(left) * as_type<uint>(right)))) *
as_type<uint>(right))))",
core::BinaryOp::kMultiply}};
INSTANTIATE_TEST_SUITE_P(MslPrinterTest,
MslPrinterBinaryTest_SignedOverflowDefinedBehaviour_Chained,
testing::ValuesIn(signed_overflow_defined_behaviour_chained_cases));
// TODO(dsinclair): Needs transform
// TODO(dsinclair): Requires `bitcast`
using MslPrinterBinaryTest_ShiftSignedOverflowDefinedBehaviour_Chained =
MslPrinterTestWithParam<BinaryData>;
TEST_P(MslPrinterBinaryTest_ShiftSignedOverflowDefinedBehaviour_Chained, DISABLED_Emit) {
auto params = GetParam();
auto* func = b.Function("foo", ty.void_());
b.Append(func->Block(), [&] {
auto* left = b.Var("left", ty.ptr<core::AddressSpace::kFunction, i32>());
auto* right = b.Var("right", ty.ptr<core::AddressSpace::kFunction, u32>());
auto* expr1 = b.Binary(params.op, ty.i32(), left, right);
auto* expr2 = b.Binary(params.op, ty.i32(), expr1, right);
b.Let("val", expr2);
});
ASSERT_TRUE(Generate()) << err_ << output_;
EXPECT_EQ(output_, MetalHeader() + R"(
void foo() {
int left;
uint right;
int const val = )" + params.result +
R"(;
)");
}
constexpr BinaryData shift_signed_overflow_defined_behaviour_chained_cases[] = {
{R"(as_type<int>((as_type<uint>(as_type<int>((as_type<uint>(left) << right))) << right)))",
core::BinaryOp::kShiftLeft},
{R"(((left >> right) >> right))", core::BinaryOp::kShiftRight},
};
INSTANTIATE_TEST_SUITE_P(MslPrinterTest,
MslPrinterBinaryTest_ShiftSignedOverflowDefinedBehaviour_Chained,
testing::ValuesIn(shift_signed_overflow_defined_behaviour_chained_cases));
// TODO(dsinclair): Needs transform
TEST_F(MslPrinterTest, DISABLED_BinaryModF32) {
auto* func = b.Function("foo", ty.void_());
b.Append(func->Block(), [&] {
auto* left = b.Var("left", ty.ptr<core::AddressSpace::kFunction, f32>());
auto* right = b.Var("right", ty.ptr<core::AddressSpace::kFunction, f32>());
auto* expr1 = b.Binary(core::BinaryOp::kModulo, ty.f32(), left, right);
b.Let("val", expr1);
});
ASSERT_TRUE(Generate()) << err_ << output_;
EXPECT_EQ(output_, MetalHeader() + R"(
void foo() {
float left;
float right;
float const val = fmod(left, right);
)");
}
// TODO(dsinclair): Needs transform
TEST_F(MslPrinterTest, DISABLED_BinaryModF16) {
// Enable f16?
auto* func = b.Function("foo", ty.void_());
b.Append(func->Block(), [&] {
auto* left = b.Var("left", ty.ptr<core::AddressSpace::kFunction, f16>());
auto* right = b.Var("right", ty.ptr<core::AddressSpace::kFunction, f16>());
auto* expr1 = b.Binary(core::BinaryOp::kModulo, ty.f16(), left, right);
b.Let("val", expr1);
});
ASSERT_TRUE(Generate()) << err_ << output_;
EXPECT_EQ(output_, MetalHeader() + R"(
void foo() {
half left;
half right;
half const val = fmod(left, right);
)");
}
// TODO(dsinclair): Needs transform
TEST_F(MslPrinterTest, DISABLED_BinaryModVec3F32) {
auto* func = b.Function("foo", ty.void_());
b.Append(func->Block(), [&] {
auto* left = b.Var("left", ty.ptr(core::AddressSpace::kFunction, ty.vec3<f32>()));
auto* right = b.Var("right", ty.ptr(core::AddressSpace::kFunction, ty.vec3<f32>()));
auto* expr1 = b.Binary(core::BinaryOp::kModulo, ty.vec3<f32>(), left, right);
b.Let("val", expr1);
});
ASSERT_TRUE(Generate()) << err_ << output_;
EXPECT_EQ(output_, MetalHeader() + R"(
void foo() {
float3 left;
float3 right;
float3 const val = fmod(left, right);
)");
}
// TODO(dsinclair): Needs transform
TEST_F(MslPrinterTest, DISABLED_BinaryModVec3F16) {
// Enable f16?
auto* func = b.Function("foo", ty.void_());
b.Append(func->Block(), [&] {
auto* left = b.Var("left", ty.ptr(core::AddressSpace::kFunction, ty.vec3<f16>()));
auto* right = b.Var("right", ty.ptr(core::AddressSpace::kFunction, ty.vec3<f16>()));
auto* expr1 = b.Binary(core::BinaryOp::kModulo, ty.vec3<f16>(), left, right);
b.Let("val", expr1);
});
ASSERT_TRUE(Generate()) << err_ << output_;
EXPECT_EQ(output_, MetalHeader() + R"(
void foo() {
half3 left;
half3 right;
half3 const val = fmod(left, right);
)");
}
// TODO(dsinclair): Needs transform
TEST_F(MslPrinterTest, DISABLED_BinaryBoolAnd) {
auto* func = b.Function("foo", ty.void_());
b.Append(func->Block(), [&] {
auto* left = b.Var("left", ty.ptr(core::AddressSpace::kFunction, ty.bool_()));
auto* right = b.Var("right", ty.ptr(core::AddressSpace::kFunction, ty.bool_()));
auto* expr1 = b.Binary(core::BinaryOp::kAdd, ty.bool_(), left, right);
b.Let("val", expr1);
});
ASSERT_TRUE(Generate()) << err_ << output_;
EXPECT_EQ(output_, MetalHeader() + R"(
void foo() {
float left;
float right;
float const val = bool(left & right);
)");
}
// TODO(dsinclair): Needs transform
TEST_F(MslPrinterTest, DISABLED_BinaryBoolOr) {
auto* func = b.Function("foo", ty.void_());
b.Append(func->Block(), [&] {
auto* left = b.Var("left", ty.ptr(core::AddressSpace::kFunction, ty.bool_()));
auto* right = b.Var("right", ty.ptr(core::AddressSpace::kFunction, ty.bool_()));
auto* expr1 = b.Binary(core::BinaryOp::kOr, ty.bool_(), left, right);
b.Let("val", expr1);
});
ASSERT_TRUE(Generate()) << err_ << output_;
EXPECT_EQ(output_, MetalHeader() + R"(
void foo() {
float left;
float right;
float const val = bool(left | right);
)");
}
} // namespace
} // namespace tint::msl::writer