blob: 833f460180765557b88e3859250f1aab6aca1c68 [file] [log] [blame]
// 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,
// OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
#include "gmock/gmock.h"
#include "gtest/gtest-spi.h"
#include "src/tint/lang/core/fluent_types.h"
#include "src/tint/lang/core/ir/builder.h"
#include "src/tint/lang/core/ir/constant.h"
#include "src/tint/lang/core/ir/instruction.h"
#include "src/tint/lang/core/ir/ir_helper_test.h"
using namespace tint::core::number_suffixes; // NOLINT
using namespace tint::core::fluent_types; // NOLINT
namespace tint::core::ir {
namespace {
using IR_BitcastTest = IRTestHelper;
TEST_F(IR_BitcastTest, Bitcast) {
auto* inst = b.Bitcast(mod.Types().i32(), 4_i);
ASSERT_TRUE(inst->Is<ir::Bitcast>());
ASSERT_NE(inst->Result(0)->Type(), nullptr);
auto args = inst->Args();
ASSERT_EQ(args.Length(), 1u);
ASSERT_TRUE(args[0]->Is<Constant>());
auto val = args[0]->As<Constant>()->Value();
ASSERT_TRUE(val->Is<core::constant::Scalar<i32>>());
EXPECT_EQ(4_i, val->As<core::constant::Scalar<i32>>()->ValueAs<i32>());
}
TEST_F(IR_BitcastTest, Result) {
auto* a = b.Bitcast(mod.Types().i32(), 4_i);
EXPECT_EQ(a->Results().Length(), 1u);
EXPECT_TRUE(a->Result(0)->Is<InstructionResult>());
EXPECT_EQ(a, a->Result(0)->Instruction());
}
TEST_F(IR_BitcastTest, Bitcast_Usage) {
auto* inst = b.Bitcast(mod.Types().i32(), 4_i);
auto args = inst->Args();
ASSERT_EQ(args.Length(), 1u);
ASSERT_NE(args[0], nullptr);
EXPECT_THAT(args[0]->Usages(), testing::UnorderedElementsAre(Usage{inst, 0u}));
}
TEST_F(IR_BitcastTest, Fail_NullType) {
EXPECT_FATAL_FAILURE(
{
Module mod;
Builder b{mod};
b.Bitcast(nullptr, 1_i);
},
"");
}
TEST_F(IR_BitcastTest, Clone) {
auto* inst = b.Bitcast(mod.Types().i32(), 4_i);
auto* n = clone_ctx.Clone(inst);
EXPECT_NE(inst, n);
EXPECT_EQ(mod.Types().i32(), n->Result(0)->Type());
auto new_val = n->Val()->As<Constant>()->Value();
ASSERT_TRUE(new_val->Is<core::constant::Scalar<i32>>());
EXPECT_EQ(4_i, new_val->As<core::constant::Scalar<i32>>()->ValueAs<i32>());
}
} // namespace
} // namespace tint::core::ir