| // 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 "gmock/gmock.h" |
| #include "src/tint/lang/core/constant/scalar.h" |
| #include "src/tint/lang/core/ir/program_test_helper.h" |
| #include "src/tint/lang/wgsl/ast/case_selector.h" |
| #include "src/tint/lang/wgsl/ast/int_literal_expression.h" |
| |
| namespace tint::ir { |
| namespace { |
| |
| using namespace tint::builtin::fluent_types; // NOLINT |
| using namespace tint::number_suffixes; // NOLINT |
| |
| using IR_FromProgramCallTest = ProgramTestHelper; |
| |
| TEST_F(IR_FromProgramCallTest, EmitExpression_Bitcast) { |
| Func("my_func", utils::Empty, ty.f32(), utils::Vector{Return(0_f)}); |
| |
| auto* expr = Bitcast<f32>(Call("my_func")); |
| WrapInFunction(expr); |
| |
| auto m = Build(); |
| ASSERT_TRUE(m) << (!m ? m.Failure() : ""); |
| |
| EXPECT_EQ(Disassemble(m.Get()), R"(%my_func = func():f32 -> %b1 { |
| %b1 = block { |
| ret 0.0f |
| } |
| } |
| %test_function = @compute @workgroup_size(1, 1, 1) func():void -> %b2 { |
| %b2 = block { |
| %3:f32 = call %my_func |
| %tint_symbol:f32 = bitcast %3 |
| ret |
| } |
| } |
| )"); |
| } |
| |
| TEST_F(IR_FromProgramCallTest, EmitStatement_Discard) { |
| auto* expr = Discard(); |
| Func("test_function", {}, ty.void_(), expr, |
| utils::Vector{ |
| create<ast::StageAttribute>(ast::PipelineStage::kFragment), |
| }); |
| |
| auto m = Build(); |
| ASSERT_TRUE(m) << (!m ? m.Failure() : ""); |
| |
| EXPECT_EQ(Disassemble(m.Get()), R"(%test_function = @fragment func():void -> %b1 { |
| %b1 = block { |
| discard |
| ret |
| } |
| } |
| )"); |
| } |
| |
| TEST_F(IR_FromProgramCallTest, EmitStatement_UserFunction) { |
| Func("my_func", utils::Vector{Param("p", ty.f32())}, ty.void_(), utils::Empty); |
| |
| auto* stmt = CallStmt(Call("my_func", Mul(2_a, 3_a))); |
| WrapInFunction(stmt); |
| auto m = Build(); |
| ASSERT_TRUE(m) << (!m ? m.Failure() : ""); |
| |
| EXPECT_EQ(Disassemble(m.Get()), R"(%my_func = func(%p:f32):void -> %b1 { |
| %b1 = block { |
| ret |
| } |
| } |
| %test_function = @compute @workgroup_size(1, 1, 1) func():void -> %b2 { |
| %b2 = block { |
| %4:void = call %my_func, 6.0f |
| ret |
| } |
| } |
| )"); |
| } |
| |
| TEST_F(IR_FromProgramCallTest, EmitExpression_Convert) { |
| auto i = GlobalVar("i", builtin::AddressSpace::kPrivate, Expr(1_i)); |
| auto* expr = Call<f32>(i); |
| WrapInFunction(expr); |
| |
| auto m = Build(); |
| ASSERT_TRUE(m) << (!m ? m.Failure() : ""); |
| |
| EXPECT_EQ(Disassemble(m.Get()), R"(%b1 = block { # root |
| %i:ptr<private, i32, read_write> = var, 1i |
| } |
| |
| %test_function = @compute @workgroup_size(1, 1, 1) func():void -> %b2 { |
| %b2 = block { |
| %3:i32 = load %i |
| %tint_symbol:f32 = convert %3 |
| ret |
| } |
| } |
| )"); |
| } |
| |
| TEST_F(IR_FromProgramCallTest, EmitExpression_ConstructEmpty) { |
| auto* expr = Call<vec3<f32>>(); |
| GlobalVar("i", builtin::AddressSpace::kPrivate, expr); |
| |
| auto m = Build(); |
| ASSERT_TRUE(m) << (!m ? m.Failure() : ""); |
| |
| EXPECT_EQ(Disassemble(m.Get()), R"(%b1 = block { # root |
| %i:ptr<private, vec3<f32>, read_write> = var, vec3<f32>(0.0f) |
| } |
| |
| )"); |
| } |
| |
| TEST_F(IR_FromProgramCallTest, EmitExpression_Construct) { |
| auto i = GlobalVar("i", builtin::AddressSpace::kPrivate, Expr(1_f)); |
| auto* expr = Call<vec3<f32>>(2_f, 3_f, i); |
| WrapInFunction(expr); |
| |
| auto m = Build(); |
| ASSERT_TRUE(m) << (!m ? m.Failure() : ""); |
| |
| EXPECT_EQ(Disassemble(m.Get()), R"(%b1 = block { # root |
| %i:ptr<private, f32, read_write> = var, 1.0f |
| } |
| |
| %test_function = @compute @workgroup_size(1, 1, 1) func():void -> %b2 { |
| %b2 = block { |
| %3:f32 = load %i |
| %tint_symbol:vec3<f32> = construct 2.0f, 3.0f, %3 |
| ret |
| } |
| } |
| )"); |
| } |
| |
| } // namespace |
| } // namespace tint::ir |