blob: 89b4d40016ac58a0681c0af72f89a77cdf250cdb [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,
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#include "src/tint/lang/core/ir/next_iteration.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_NextIterationTest = IRTestHelper;
TEST_F(IR_NextIterationTest, Fail_NullLoop) {
EXPECT_DEATH_IF_SUPPORTED(
{
Module mod;
Builder b{mod};
b.NextIteration(nullptr);
},
"");
}
TEST_F(IR_NextIterationTest, Result) {
auto* inst = b.NextIteration(b.Loop());
EXPECT_TRUE(inst->Results().IsEmpty());
}
TEST_F(IR_NextIterationTest, Clone) {
auto* arg1 = b.Constant(1_u);
auto* arg2 = b.Constant(2_u);
auto* loop = b.Loop();
auto* inst = b.NextIteration(loop, arg1, arg2);
auto* new_loop = clone_ctx.Clone(loop);
auto* new_inst = clone_ctx.Clone(inst);
EXPECT_NE(inst, new_inst);
EXPECT_EQ(new_loop, new_inst->Loop());
auto args = new_inst->Args();
EXPECT_EQ(2u, args.Length());
auto* val0 = args[0]->As<Constant>()->Value();
EXPECT_EQ(1_u, val0->As<core::constant::Scalar<u32>>()->ValueAs<u32>());
auto* val1 = args[1]->As<Constant>()->Value();
EXPECT_EQ(2_u, val1->As<core::constant::Scalar<u32>>()->ValueAs<u32>());
}
TEST_F(IR_NextIterationTest, CloneNoArgs) {
auto* loop = b.Loop();
auto* inst = b.NextIteration(loop);
auto* new_loop = clone_ctx.Clone(loop);
auto* new_inst = clone_ctx.Clone(inst);
EXPECT_EQ(new_loop, new_inst->Loop());
}
} // namespace
} // namespace tint::core::ir