157 lines
3.9 KiB
C++
157 lines
3.9 KiB
C++
// Copyright 2023 The Tint Authors.
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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#include "src/tint/ir/test_helper.h"
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#include "gmock/gmock.h"
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#include "src/tint/ast/case_selector.h"
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#include "src/tint/ast/int_literal_expression.h"
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#include "src/tint/constant/scalar.h"
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namespace tint::ir {
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namespace {
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using namespace tint::number_suffixes; // NOLINT
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using IR_BuilderImplTest = TestHelper;
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TEST_F(IR_BuilderImplTest, EmitExpression_Bitcast) {
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Func("my_func", utils::Empty, ty.f32(), utils::Vector{Return(0_f)});
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auto* expr = Bitcast<f32>(Call("my_func"));
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WrapInFunction(expr);
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auto m = Build();
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ASSERT_TRUE(m) << (!m ? m.Failure() : "");
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EXPECT_EQ(Disassemble(m.Get()), R"(%my_func = func():f32 -> %b1 {
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%b1 = block {
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ret 0.0f
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}
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}
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%test_function = func():void [@compute @workgroup_size(1, 1, 1)] -> %b2 {
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%b2 = block {
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%3:f32 = call %my_func
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%tint_symbol:f32 = bitcast %3
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ret
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}
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}
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)");
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}
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TEST_F(IR_BuilderImplTest, EmitStatement_Discard) {
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auto* expr = Discard();
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Func("test_function", {}, ty.void_(), expr,
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utils::Vector{
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create<ast::StageAttribute>(ast::PipelineStage::kFragment),
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});
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auto m = Build();
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ASSERT_TRUE(m) << (!m ? m.Failure() : "");
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EXPECT_EQ(Disassemble(m.Get()), R"(%test_function = func():void [@fragment] -> %b1 {
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%b1 = block {
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discard
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ret
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}
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}
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)");
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}
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TEST_F(IR_BuilderImplTest, EmitStatement_UserFunction) {
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Func("my_func", utils::Vector{Param("p", ty.f32())}, ty.void_(), utils::Empty);
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auto* stmt = CallStmt(Call("my_func", Mul(2_a, 3_a)));
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WrapInFunction(stmt);
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auto m = Build();
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ASSERT_TRUE(m) << (!m ? m.Failure() : "");
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EXPECT_EQ(Disassemble(m.Get()), R"(%my_func = func(%p:f32):void -> %b1 {
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%b1 = block {
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ret
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}
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}
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%test_function = func():void [@compute @workgroup_size(1, 1, 1)] -> %b2 {
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%b2 = block {
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%4:void = call %my_func, 6.0f
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ret
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}
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}
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)");
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}
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TEST_F(IR_BuilderImplTest, EmitExpression_Convert) {
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auto i = GlobalVar("i", builtin::AddressSpace::kPrivate, Expr(1_i));
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auto* expr = Call(ty.f32(), i);
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WrapInFunction(expr);
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auto m = Build();
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ASSERT_TRUE(m) << (!m ? m.Failure() : "");
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EXPECT_EQ(Disassemble(m.Get()), R"(# Root block
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%b1 = block {
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%i:ptr<private, i32, read_write> = var, 1i
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}
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%test_function = func():void [@compute @workgroup_size(1, 1, 1)] -> %b2 {
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%b2 = block {
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%3:i32 = load %i
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%tint_symbol:f32 = convert i32, %3
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ret
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}
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}
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)");
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}
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TEST_F(IR_BuilderImplTest, EmitExpression_ConstructEmpty) {
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auto* expr = vec3(ty.f32());
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GlobalVar("i", builtin::AddressSpace::kPrivate, expr);
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auto m = Build();
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ASSERT_TRUE(m) << (!m ? m.Failure() : "");
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EXPECT_EQ(Disassemble(m.Get()), R"(# Root block
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%b1 = block {
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%i:ptr<private, vec3<f32>, read_write> = var, vec3<f32> 0.0f
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}
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)");
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}
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TEST_F(IR_BuilderImplTest, EmitExpression_Construct) {
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auto i = GlobalVar("i", builtin::AddressSpace::kPrivate, Expr(1_f));
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auto* expr = vec3(ty.f32(), 2_f, 3_f, i);
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WrapInFunction(expr);
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auto m = Build();
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ASSERT_TRUE(m) << (!m ? m.Failure() : "");
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EXPECT_EQ(Disassemble(m.Get()), R"(# Root block
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%b1 = block {
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%i:ptr<private, f32, read_write> = var, 1.0f
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}
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%test_function = func():void [@compute @workgroup_size(1, 1, 1)] -> %b2 {
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%b2 = block {
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%3:f32 = load %i
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%tint_symbol:vec3<f32> = construct 2.0f, 3.0f, %3
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ret
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}
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}
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)");
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}
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} // namespace
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} // namespace tint::ir
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