| // 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/break_if.h" |
| |
| #include "gmock/gmock.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_BreakIfTest = IRTestHelper; |
| |
| TEST_F(IR_BreakIfTest, Usage) { |
| auto* loop = b.Loop(); |
| auto* cond = b.Constant(true); |
| auto* arg1 = b.Constant(1_u); |
| auto* arg2 = b.Constant(2_u); |
| |
| auto* brk = b.BreakIf(loop, cond, arg1, arg2); |
| |
| EXPECT_THAT(cond->Usages(), testing::UnorderedElementsAre(Usage{brk, 0u})); |
| EXPECT_THAT(arg1->Usages(), testing::UnorderedElementsAre(Usage{brk, 1u})); |
| EXPECT_THAT(arg2->Usages(), testing::UnorderedElementsAre(Usage{brk, 2u})); |
| } |
| |
| TEST_F(IR_BreakIfTest, Results) { |
| auto* loop = b.Loop(); |
| auto* cond = b.Constant(true); |
| auto* arg1 = b.Constant(1_u); |
| auto* arg2 = b.Constant(2_u); |
| |
| auto* brk = b.BreakIf(loop, cond, arg1, arg2); |
| EXPECT_TRUE(brk->Results().IsEmpty()); |
| } |
| |
| TEST_F(IR_BreakIfTest, Fail_NullLoop) { |
| EXPECT_DEATH_IF_SUPPORTED( |
| { |
| Module mod; |
| Builder b{mod}; |
| b.BreakIf(nullptr, true); |
| }, |
| ""); |
| } |
| |
| TEST_F(IR_BreakIfTest, Clone) { |
| auto* loop = b.Loop(); |
| auto* cond = b.Constant(true); |
| auto* arg1 = b.Constant(1_u); |
| auto* arg2 = b.Constant(2_u); |
| |
| auto* brk = b.BreakIf(loop, cond, arg1, arg2); |
| |
| auto* new_loop = clone_ctx.Clone(loop); |
| clone_ctx.Replace(loop, new_loop); |
| |
| auto* new_brk = clone_ctx.Clone(brk); |
| |
| EXPECT_NE(brk, new_brk); |
| |
| EXPECT_EQ(new_loop, new_brk->Loop()); |
| |
| auto args = new_brk->Args(); |
| EXPECT_EQ(2u, args.Length()); |
| |
| auto new_cond = new_brk->Condition()->As<Constant>()->Value(); |
| ASSERT_TRUE(new_cond->Is<core::constant::Scalar<bool>>()); |
| EXPECT_TRUE(new_cond->As<core::constant::Scalar<bool>>()->ValueAs<bool>()); |
| |
| auto new_arg0 = args[0]->As<Constant>()->Value(); |
| ASSERT_TRUE(new_arg0->Is<core::constant::Scalar<u32>>()); |
| EXPECT_EQ(1_u, new_arg0->As<core::constant::Scalar<u32>>()->ValueAs<u32>()); |
| |
| auto new_arg1 = args[1]->As<Constant>()->Value(); |
| ASSERT_TRUE(new_arg1->Is<core::constant::Scalar<u32>>()); |
| EXPECT_EQ(2_u, new_arg1->As<core::constant::Scalar<u32>>()->ValueAs<u32>()); |
| } |
| |
| TEST_F(IR_BreakIfTest, CloneNoArgs) { |
| auto* loop = b.Loop(); |
| auto* cond = b.Constant(true); |
| |
| auto* brk = b.BreakIf(loop, cond); |
| auto* new_brk = clone_ctx.Clone(brk); |
| |
| auto args = new_brk->Args(); |
| EXPECT_EQ(0u, args.Length()); |
| } |
| |
| TEST_F(IR_BreakIfTest, SetLoop) { |
| auto* loop1 = b.Loop(); |
| auto* loop2 = b.Loop(); |
| auto* cond = b.Constant(true); |
| auto* arg1 = b.Constant(1_u); |
| auto* arg2 = b.Constant(2_u); |
| |
| auto* brk = b.BreakIf(loop1, cond, arg1, arg2); |
| EXPECT_THAT(loop1->Exits(), testing::ElementsAre(brk)); |
| |
| brk->SetLoop(loop2); |
| EXPECT_TRUE(loop1->Exits().IsEmpty()); |
| EXPECT_THAT(loop2->Exits(), testing::ElementsAre(brk)); |
| } |
| |
| } // namespace |
| } // namespace tint::core::ir |