| // 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 |
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| // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| |
| #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 |