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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,
// 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 "src/tint/lang/core/ir/block.h"
#include "src/tint/lang/core/ir/builder.h"
#include "src/tint/lang/core/ir/ir_helper_test.h"
#include "src/tint/lang/core/ir/module.h"
using namespace tint::core::number_suffixes; // NOLINT
namespace tint::core::ir {
namespace {
using IR_InstructionTest = IRTestHelper;
TEST_F(IR_InstructionTest, InsertBefore) {
auto* inst1 = b.Loop();
auto* inst2 = b.Loop();
auto* blk = b.Block();
blk->Append(inst2);
inst1->InsertBefore(inst2);
EXPECT_EQ(2u, blk->Length());
EXPECT_EQ(inst1->Block(), blk);
}
TEST_F(IR_InstructionTest, Fail_InsertBeforeNullptr) {
EXPECT_DEATH_IF_SUPPORTED(
{
Module mod;
Builder b{mod};
auto* inst1 = b.Loop();
inst1->InsertBefore(nullptr);
},
"");
}
TEST_F(IR_InstructionTest, Fail_InsertBeforeNotInserted) {
EXPECT_DEATH_IF_SUPPORTED(
{
Module mod;
Builder b{mod};
auto* inst1 = b.Loop();
auto* inst2 = b.Loop();
inst1->InsertBefore(inst2);
},
"");
}
TEST_F(IR_InstructionTest, InsertAfter) {
auto* inst1 = b.Loop();
auto* inst2 = b.Loop();
auto* blk = b.Block();
blk->Append(inst2);
inst1->InsertAfter(inst2);
EXPECT_EQ(2u, blk->Length());
EXPECT_EQ(inst1->Block(), blk);
}
TEST_F(IR_InstructionTest, Fail_InsertAfterNullptr) {
EXPECT_DEATH_IF_SUPPORTED(
{
Module mod;
Builder b{mod};
auto* inst1 = b.Loop();
inst1->InsertAfter(nullptr);
},
"");
}
TEST_F(IR_InstructionTest, Fail_InsertAfterNotInserted) {
EXPECT_DEATH_IF_SUPPORTED(
{
Module mod;
Builder b{mod};
auto* inst1 = b.Loop();
auto* inst2 = b.Loop();
inst1->InsertAfter(inst2);
},
"");
}
TEST_F(IR_InstructionTest, ReplaceWith) {
auto* inst1 = b.Loop();
auto* inst2 = b.Loop();
auto* blk = b.Block();
blk->Append(inst2);
inst2->ReplaceWith(inst1);
EXPECT_EQ(1u, blk->Length());
EXPECT_EQ(inst1->Block(), blk);
EXPECT_EQ(inst2->Block(), nullptr);
}
TEST_F(IR_InstructionTest, Fail_ReplaceWithNullptr) {
EXPECT_DEATH_IF_SUPPORTED(
{
Module mod;
Builder b{mod};
auto* inst1 = b.Loop();
auto* blk = b.Block();
blk->Append(inst1);
inst1->ReplaceWith(nullptr);
},
"");
}
TEST_F(IR_InstructionTest, Fail_ReplaceWithNotInserted) {
EXPECT_DEATH_IF_SUPPORTED(
{
Module mod;
Builder b{mod};
auto* inst1 = b.Loop();
auto* inst2 = b.Loop();
inst1->ReplaceWith(inst2);
},
"");
}
TEST_F(IR_InstructionTest, Remove) {
auto* inst1 = b.Loop();
auto* blk = b.Block();
blk->Append(inst1);
EXPECT_EQ(1u, blk->Length());
inst1->Remove();
EXPECT_EQ(0u, blk->Length());
EXPECT_EQ(inst1->Block(), nullptr);
}
TEST_F(IR_InstructionTest, Fail_RemoveNotInserted) {
EXPECT_DEATH_IF_SUPPORTED(
{
Module mod;
Builder b{mod};
auto* inst1 = b.Loop();
inst1->Remove();
},
"");
}
TEST_F(IR_InstructionTest, DetachResult) {
auto* inst = b.Let("foo", 42_u);
auto* result = inst->Result(0);
EXPECT_EQ(result->Instruction(), inst);
auto* detached = inst->DetachResult();
EXPECT_EQ(detached, result);
EXPECT_EQ(detached->Instruction(), nullptr);
EXPECT_EQ(inst->Results().Length(), 0u);
}
} // namespace
} // namespace tint::core::ir