| // Copyright 2023 The Tint Authors. |
| // |
| // Licensed under the Apache License, Version 2.0 (the "License"); |
| // you may not use this file except in compliance with the License. |
| // You may obtain a copy of the License at |
| // |
| // http://www.apache.org/licenses/LICENSE-2.0 |
| // |
| // Unless required by applicable law or agreed to in writing, software |
| // distributed under the License is distributed on an "AS IS" BASIS, |
| // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| // See the License for the specific language governing permissions and |
| // limitations under the License. |
| |
| #include "src/tint/writer/spirv/ir/test_helper_ir.h" |
| |
| using namespace tint::number_suffixes; // NOLINT |
| |
| namespace tint::writer::spirv { |
| namespace { |
| |
| TEST_F(SpvGeneratorImplTest, If_TrueEmpty_FalseEmpty) { |
| auto* func = b.Function("foo", ty.void_()); |
| |
| auto* i = b.If(true); |
| i->True()->SetInstructions({b.ExitIf(i)}); |
| i->False()->SetInstructions({b.ExitIf(i)}); |
| i->Merge()->SetInstructions({b.Return(func)}); |
| |
| func->StartTarget()->SetInstructions({i}); |
| |
| ASSERT_TRUE(IRIsValid()) << Error(); |
| |
| generator_.EmitFunction(func); |
| EXPECT_EQ(DumpModule(generator_.Module()), R"(OpName %1 "foo" |
| %2 = OpTypeVoid |
| %3 = OpTypeFunction %2 |
| %7 = OpTypeBool |
| %6 = OpConstantTrue %7 |
| %1 = OpFunction %2 None %3 |
| %4 = OpLabel |
| OpSelectionMerge %5 None |
| OpBranchConditional %6 %5 %5 |
| %5 = OpLabel |
| OpReturn |
| OpFunctionEnd |
| )"); |
| } |
| |
| TEST_F(SpvGeneratorImplTest, If_FalseEmpty) { |
| auto* func = b.Function("foo", ty.void_()); |
| |
| auto* i = b.If(true); |
| i->False()->SetInstructions({b.ExitIf(i)}); |
| i->Merge()->SetInstructions({b.Return(func)}); |
| |
| auto* true_block = i->True(); |
| true_block->SetInstructions({b.Add(ty.i32(), 1_i, 1_i), b.ExitIf(i)}); |
| |
| func->StartTarget()->SetInstructions({i}); |
| |
| ASSERT_TRUE(IRIsValid()) << Error(); |
| |
| generator_.EmitFunction(func); |
| EXPECT_EQ(DumpModule(generator_.Module()), R"(OpName %1 "foo" |
| %2 = OpTypeVoid |
| %3 = OpTypeFunction %2 |
| %8 = OpTypeBool |
| %7 = OpConstantTrue %8 |
| %10 = OpTypeInt 32 1 |
| %11 = OpConstant %10 1 |
| %1 = OpFunction %2 None %3 |
| %4 = OpLabel |
| OpSelectionMerge %5 None |
| OpBranchConditional %7 %6 %5 |
| %6 = OpLabel |
| %9 = OpIAdd %10 %11 %11 |
| OpBranch %5 |
| %5 = OpLabel |
| OpReturn |
| OpFunctionEnd |
| )"); |
| } |
| |
| TEST_F(SpvGeneratorImplTest, If_TrueEmpty) { |
| auto* func = b.Function("foo", ty.void_()); |
| |
| auto* i = b.If(true); |
| i->True()->SetInstructions({b.ExitIf(i)}); |
| i->Merge()->SetInstructions({b.Return(func)}); |
| |
| auto* false_block = i->False(); |
| false_block->SetInstructions({b.Add(ty.i32(), 1_i, 1_i), b.ExitIf(i)}); |
| |
| func->StartTarget()->SetInstructions({i}); |
| |
| ASSERT_TRUE(IRIsValid()) << Error(); |
| |
| generator_.EmitFunction(func); |
| EXPECT_EQ(DumpModule(generator_.Module()), R"(OpName %1 "foo" |
| %2 = OpTypeVoid |
| %3 = OpTypeFunction %2 |
| %8 = OpTypeBool |
| %7 = OpConstantTrue %8 |
| %10 = OpTypeInt 32 1 |
| %11 = OpConstant %10 1 |
| %1 = OpFunction %2 None %3 |
| %4 = OpLabel |
| OpSelectionMerge %5 None |
| OpBranchConditional %7 %5 %6 |
| %6 = OpLabel |
| %9 = OpIAdd %10 %11 %11 |
| OpBranch %5 |
| %5 = OpLabel |
| OpReturn |
| OpFunctionEnd |
| )"); |
| } |
| |
| TEST_F(SpvGeneratorImplTest, If_BothBranchesReturn) { |
| auto* func = b.Function("foo", ty.void_()); |
| |
| auto* i = b.If(true); |
| i->True()->SetInstructions({b.Return(func)}); |
| i->False()->SetInstructions({b.Return(func)}); |
| |
| func->StartTarget()->SetInstructions({i}); |
| |
| ASSERT_TRUE(IRIsValid()) << Error(); |
| |
| generator_.EmitFunction(func); |
| EXPECT_EQ(DumpModule(generator_.Module()), R"(OpName %1 "foo" |
| %2 = OpTypeVoid |
| %3 = OpTypeFunction %2 |
| %9 = OpTypeBool |
| %8 = OpConstantTrue %9 |
| %1 = OpFunction %2 None %3 |
| %4 = OpLabel |
| OpSelectionMerge %5 None |
| OpBranchConditional %8 %6 %7 |
| %6 = OpLabel |
| OpReturn |
| %7 = OpLabel |
| OpReturn |
| %5 = OpLabel |
| OpUnreachable |
| OpFunctionEnd |
| )"); |
| } |
| |
| TEST_F(SpvGeneratorImplTest, If_Phi_SingleValue) { |
| auto* func = b.Function("foo", ty.void_()); |
| |
| auto* merge_param = b.BlockParam(b.ir.Types().i32()); |
| |
| auto* i = b.If(true); |
| i->True()->SetInstructions({b.ExitIf(i, 10_i)}); |
| i->False()->SetInstructions({b.ExitIf(i, 20_i)}); |
| i->Merge()->SetParams({merge_param}); |
| i->Merge()->SetInstructions({b.Return(func, merge_param)}); |
| |
| func->StartTarget()->SetInstructions({i}); |
| |
| ASSERT_TRUE(IRIsValid()) << Error(); |
| |
| generator_.EmitFunction(func); |
| EXPECT_EQ(DumpModule(generator_.Module()), R"(OpName %1 "foo" |
| %2 = OpTypeVoid |
| %3 = OpTypeFunction %2 |
| %9 = OpTypeBool |
| %8 = OpConstantTrue %9 |
| %10 = OpTypeInt 32 1 |
| %12 = OpConstant %10 10 |
| %13 = OpConstant %10 20 |
| %1 = OpFunction %2 None %3 |
| %4 = OpLabel |
| OpSelectionMerge %5 None |
| OpBranchConditional %8 %6 %7 |
| %6 = OpLabel |
| OpBranch %5 |
| %7 = OpLabel |
| OpBranch %5 |
| %5 = OpLabel |
| %11 = OpPhi %10 %12 %6 %13 %7 |
| OpReturnValue %11 |
| OpFunctionEnd |
| )"); |
| } |
| |
| TEST_F(SpvGeneratorImplTest, If_Phi_SingleValue_TrueReturn) { |
| auto* func = b.Function("foo", ty.void_()); |
| |
| auto* merge_param = b.BlockParam(b.ir.Types().i32()); |
| |
| auto* i = b.If(true); |
| i->True()->SetInstructions({b.Return(func, 42_i)}); |
| i->False()->SetInstructions({b.ExitIf(i, 20_i)}); |
| i->Merge()->SetParams({merge_param}); |
| i->Merge()->SetInstructions({b.Return(func, merge_param)}); |
| |
| func->StartTarget()->SetInstructions({i}); |
| |
| ASSERT_TRUE(IRIsValid()) << Error(); |
| |
| generator_.EmitFunction(func); |
| EXPECT_EQ(DumpModule(generator_.Module()), R"(OpName %1 "foo" |
| %2 = OpTypeVoid |
| %3 = OpTypeFunction %2 |
| %9 = OpTypeBool |
| %8 = OpConstantTrue %9 |
| %11 = OpTypeInt 32 1 |
| %10 = OpConstant %11 42 |
| %13 = OpConstant %11 20 |
| %1 = OpFunction %2 None %3 |
| %4 = OpLabel |
| OpSelectionMerge %5 None |
| OpBranchConditional %8 %6 %7 |
| %6 = OpLabel |
| OpReturnValue %10 |
| %7 = OpLabel |
| OpBranch %5 |
| %5 = OpLabel |
| %12 = OpPhi %11 %13 %7 |
| OpReturnValue %12 |
| OpFunctionEnd |
| )"); |
| } |
| |
| TEST_F(SpvGeneratorImplTest, If_Phi_SingleValue_FalseReturn) { |
| auto* func = b.Function("foo", ty.void_()); |
| |
| auto* merge_param = b.BlockParam(b.ir.Types().i32()); |
| |
| auto* i = b.If(true); |
| i->True()->SetInstructions({b.ExitIf(i, 10_i)}); |
| i->False()->SetInstructions({b.Return(func, 42_i)}); |
| i->Merge()->SetParams({merge_param}); |
| i->Merge()->SetInstructions({b.Return(func, merge_param)}); |
| |
| func->StartTarget()->SetInstructions({i}); |
| |
| ASSERT_TRUE(IRIsValid()) << Error(); |
| |
| generator_.EmitFunction(func); |
| EXPECT_EQ(DumpModule(generator_.Module()), R"(OpName %1 "foo" |
| %2 = OpTypeVoid |
| %3 = OpTypeFunction %2 |
| %9 = OpTypeBool |
| %8 = OpConstantTrue %9 |
| %11 = OpTypeInt 32 1 |
| %10 = OpConstant %11 42 |
| %13 = OpConstant %11 10 |
| %1 = OpFunction %2 None %3 |
| %4 = OpLabel |
| OpSelectionMerge %5 None |
| OpBranchConditional %8 %6 %7 |
| %6 = OpLabel |
| OpBranch %5 |
| %7 = OpLabel |
| OpReturnValue %10 |
| %5 = OpLabel |
| %12 = OpPhi %11 %13 %6 |
| OpReturnValue %12 |
| OpFunctionEnd |
| )"); |
| } |
| |
| TEST_F(SpvGeneratorImplTest, If_Phi_MultipleValue) { |
| auto* func = b.Function("foo", ty.void_()); |
| |
| auto* merge_param_0 = b.BlockParam(b.ir.Types().i32()); |
| auto* merge_param_1 = b.BlockParam(b.ir.Types().bool_()); |
| |
| auto* i = b.If(true); |
| i->True()->SetInstructions({b.ExitIf(i, 10_i, true)}); |
| i->False()->SetInstructions({b.ExitIf(i, 20_i, false)}); |
| i->Merge()->SetParams({merge_param_0, merge_param_1}); |
| i->Merge()->SetInstructions({b.Return(func, merge_param_0)}); |
| |
| func->StartTarget()->SetInstructions({i}); |
| |
| ASSERT_TRUE(IRIsValid()) << Error(); |
| |
| generator_.EmitFunction(func); |
| EXPECT_EQ(DumpModule(generator_.Module()), R"(OpName %1 "foo" |
| %2 = OpTypeVoid |
| %3 = OpTypeFunction %2 |
| %9 = OpTypeBool |
| %8 = OpConstantTrue %9 |
| %10 = OpTypeInt 32 1 |
| %12 = OpConstant %10 10 |
| %13 = OpConstant %10 20 |
| %15 = OpConstantFalse %9 |
| %1 = OpFunction %2 None %3 |
| %4 = OpLabel |
| OpSelectionMerge %5 None |
| OpBranchConditional %8 %6 %7 |
| %6 = OpLabel |
| OpBranch %5 |
| %7 = OpLabel |
| OpBranch %5 |
| %5 = OpLabel |
| %11 = OpPhi %10 %12 %6 %13 %7 |
| %14 = OpPhi %9 %8 %6 %15 %7 |
| OpReturnValue %11 |
| OpFunctionEnd |
| )"); |
| } |
| |
| } // namespace |
| } // namespace tint::writer::spirv |