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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/ir/user_call.h"
#include "gmock/gmock.h"
#include "gtest/gtest-spi.h"
#include "src/tint/lang/core/ir/ir_helper_test.h"
namespace tint::core::ir {
namespace {
using namespace tint::core::number_suffixes; // NOLINT
using IR_UserCallTest = IRTestHelper;
TEST_F(IR_UserCallTest, Usage) {
auto* func = b.Function("myfunc", mod.Types().void_());
auto* arg1 = b.Constant(1_u);
auto* arg2 = b.Constant(2_u);
auto* e = b.Call(mod.Types().void_(), func, Vector{arg1, arg2});
EXPECT_THAT(func->Usages(), testing::UnorderedElementsAre(Usage{e, 0u}));
EXPECT_THAT(arg1->Usages(), testing::UnorderedElementsAre(Usage{e, 1u}));
EXPECT_THAT(arg2->Usages(), testing::UnorderedElementsAre(Usage{e, 2u}));
}
TEST_F(IR_UserCallTest, Results) {
auto* func = b.Function("myfunc", mod.Types().void_());
auto* arg1 = b.Constant(1_u);
auto* arg2 = b.Constant(2_u);
auto* e = b.Call(mod.Types().void_(), func, Vector{arg1, arg2});
EXPECT_EQ(e->Results().Length(), 1u);
EXPECT_TRUE(e->Result(0)->Is<InstructionResult>());
EXPECT_EQ(e->Result(0)->Instruction(), e);
}
TEST_F(IR_UserCallTest, Fail_NullType) {
EXPECT_FATAL_FAILURE(
{
Module mod;
Builder b{mod};
b.Call(static_cast<type::Type*>(nullptr), b.Function("myfunc", mod.Types().void_()));
},
"");
}
TEST_F(IR_UserCallTest, Clone) {
auto* func = b.Function("myfunc", mod.Types().void_());
auto* e = b.Call(mod.Types().void_(), func, Vector{b.Constant(1_u), b.Constant(2_u)});
auto* new_func = clone_ctx.Clone(func);
auto* new_e = clone_ctx.Clone(e);
EXPECT_NE(e, new_e);
EXPECT_NE(nullptr, new_e->Result(0));
EXPECT_NE(e->Result(0), new_e->Result(0));
EXPECT_EQ(new_func, new_e->Target());
auto args = new_e->Args();
EXPECT_EQ(2u, args.Length());
auto new_arg1 = args[0]->As<Constant>()->Value();
ASSERT_TRUE(new_arg1->Is<core::constant::Scalar<u32>>());
EXPECT_EQ(1_u, new_arg1->As<core::constant::Scalar<u32>>()->ValueAs<u32>());
auto new_arg2 = args[1]->As<Constant>()->Value();
ASSERT_TRUE(new_arg2->Is<core::constant::Scalar<u32>>());
EXPECT_EQ(2_u, new_arg2->As<core::constant::Scalar<u32>>()->ValueAs<u32>());
}
TEST_F(IR_UserCallTest, CloneWithoutArgs) {
auto* func = b.Function("myfunc", mod.Types().void_());
auto* e = b.Call(mod.Types().void_(), func);
auto* new_e = clone_ctx.Clone(e);
EXPECT_EQ(0u, new_e->Args().Length());
}
} // namespace
} // namespace tint::core::ir