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// 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_FromProgramVarTest = ProgramTestHelper;
TEST_F(IR_FromProgramVarTest, Emit_GlobalVar_NoInit) {
GlobalVar("a", ty.u32(), builtin::AddressSpace::kPrivate);
auto m = Build();
ASSERT_TRUE(m) << (!m ? m.Failure() : "");
EXPECT_EQ(Disassemble(m.Get()), R"(%b1 = block { # root
%a:ptr<private, u32, read_write> = var
}
)");
}
TEST_F(IR_FromProgramVarTest, Emit_GlobalVar_Init) {
auto* expr = Expr(2_u);
GlobalVar("a", ty.u32(), builtin::AddressSpace::kPrivate, expr);
auto m = Build();
ASSERT_TRUE(m) << (!m ? m.Failure() : "");
EXPECT_EQ(Disassemble(m.Get()), R"(%b1 = block { # root
%a:ptr<private, u32, read_write> = var, 2u
}
)");
}
TEST_F(IR_FromProgramVarTest, Emit_GlobalVar_GroupBinding) {
GlobalVar("a", ty.u32(), builtin::AddressSpace::kStorage,
utils::Vector{Group(2_u), Binding(3_u)});
auto m = Build();
ASSERT_TRUE(m) << (!m ? m.Failure() : "");
EXPECT_EQ(Disassemble(m.Get()), R"(%b1 = block { # root
%a:ptr<storage, u32, read> = var @binding_point(2, 3)
}
)");
}
TEST_F(IR_FromProgramVarTest, Emit_Var_NoInit) {
auto* a = Var("a", ty.u32(), builtin::AddressSpace::kFunction);
WrapInFunction(a);
auto m = Build();
ASSERT_TRUE(m) << (!m ? m.Failure() : "");
EXPECT_EQ(Disassemble(m.Get()),
R"(%test_function = @compute @workgroup_size(1, 1, 1) func():void -> %b1 {
%b1 = block {
%a:ptr<function, u32, read_write> = var
ret
}
}
)");
}
TEST_F(IR_FromProgramVarTest, Emit_Var_Init_Constant) {
auto* expr = Expr(2_u);
auto* a = Var("a", ty.u32(), builtin::AddressSpace::kFunction, expr);
WrapInFunction(a);
auto m = Build();
ASSERT_TRUE(m) << (!m ? m.Failure() : "");
EXPECT_EQ(Disassemble(m.Get()),
R"(%test_function = @compute @workgroup_size(1, 1, 1) func():void -> %b1 {
%b1 = block {
%a:ptr<function, u32, read_write> = var, 2u
ret
}
}
)");
}
TEST_F(IR_FromProgramVarTest, Emit_Var_Init_NonConstant) {
auto* a = Var("a", ty.u32(), builtin::AddressSpace::kFunction);
auto* b = Var("b", ty.u32(), builtin::AddressSpace::kFunction, Add("a", 2_u));
WrapInFunction(a, b);
auto m = Build();
ASSERT_TRUE(m) << (!m ? m.Failure() : "");
EXPECT_EQ(Disassemble(m.Get()),
R"(%test_function = @compute @workgroup_size(1, 1, 1) func():void -> %b1 {
%b1 = block {
%a:ptr<function, u32, read_write> = var
%3:u32 = load %a
%4:u32 = add %3, 2u
%b:ptr<function, u32, read_write> = var, %4
ret
}
}
)");
}
TEST_F(IR_FromProgramVarTest, Emit_Var_Assign_42i) {
WrapInFunction(Var("a", ty.i32(), builtin::AddressSpace::kFunction), //
Assign("a", 42_i));
auto m = Build();
ASSERT_TRUE(m) << (!m ? m.Failure() : "");
EXPECT_EQ(Disassemble(m.Get()),
R"(%test_function = @compute @workgroup_size(1, 1, 1) func():void -> %b1 {
%b1 = block {
%a:ptr<function, i32, read_write> = var
store %a, 42i
ret
}
}
)");
}
TEST_F(IR_FromProgramVarTest, Emit_Var_Assign_ArrayOfArray_EvalOrder) {
Func("f", utils::Vector{Param("p", ty.i32())}, ty.i32(), utils::Vector{Return("p")});
auto* lhs = //
IndexAccessor( //
IndexAccessor( //
IndexAccessor("a", //
Call("f", 1_i)), //
Call("f", 2_i)), //
Call("f", 3_i));
auto* rhs = //
IndexAccessor( //
IndexAccessor( //
IndexAccessor("a", //
Call("f", 4_i)), //
Call("f", 5_i)), //
Call("f", 6_i));
WrapInFunction(
Var("a", ty.array<array<array<i32, 5>, 5>, 5>(), builtin::AddressSpace::kFunction), //
Assign(lhs, rhs));
auto m = Build();
ASSERT_TRUE(m) << (!m ? m.Failure() : "");
EXPECT_EQ(Disassemble(m.Get()),
R"(%f = func(%p:i32):i32 -> %b1 {
%b1 = block {
ret %p
}
}
%test_function = @compute @workgroup_size(1, 1, 1) func():void -> %b2 {
%b2 = block {
%a:ptr<function, array<array<array<i32, 5>, 5>, 5>, read_write> = var
%5:i32 = call %f, 1i
%6:i32 = call %f, 2i
%7:i32 = call %f, 3i
%8:ptr<function, i32, read_write> = access %a, %5, %6, %7
%9:i32 = call %f, 4i
%10:i32 = call %f, 5i
%11:i32 = call %f, 6i
%12:ptr<function, i32, read_write> = access %a, %9, %10, %11
%13:i32 = load %12
store %8, %13
ret
}
}
)");
}
TEST_F(IR_FromProgramVarTest, Emit_Var_Assign_ArrayOfVec_EvalOrder) {
Func("f", utils::Vector{Param("p", ty.i32())}, ty.i32(), utils::Vector{Return("p")});
auto* lhs = //
IndexAccessor( //
IndexAccessor("a", //
Call("f", 1_i)), //
Call("f", 2_i));
auto* rhs = //
IndexAccessor( //
IndexAccessor("a", //
Call("f", 4_i)), //
Call("f", 5_i));
WrapInFunction(Var("a", ty.array<vec4<f32>, 5>(), builtin::AddressSpace::kFunction), //
Assign(lhs, rhs));
auto m = Build();
ASSERT_TRUE(m) << (!m ? m.Failure() : "");
EXPECT_EQ(Disassemble(m.Get()),
R"(%f = func(%p:i32):i32 -> %b1 {
%b1 = block {
ret %p
}
}
%test_function = @compute @workgroup_size(1, 1, 1) func():void -> %b2 {
%b2 = block {
%a:ptr<function, array<vec4<f32>, 5>, read_write> = var
%5:i32 = call %f, 1i
%6:ptr<function, vec4<f32>, read_write> = access %a, %5
%7:i32 = call %f, 2i
%8:i32 = call %f, 4i
%9:ptr<function, vec4<f32>, read_write> = access %a, %8
%10:i32 = call %f, 5i
%11:f32 = load_vector_element %9, %10
store_vector_element %6, %7, %11
ret
}
}
)");
}
TEST_F(IR_FromProgramVarTest, Emit_Var_Assign_ArrayOfMatrix_EvalOrder) {
Func("f", utils::Vector{Param("p", ty.i32())}, ty.i32(), utils::Vector{Return("p")});
auto* lhs = //
IndexAccessor( //
IndexAccessor( //
IndexAccessor("a", //
Call("f", 1_i)), //
Call("f", 2_i)), //
Call("f", 3_i));
auto* rhs = //
IndexAccessor( //
IndexAccessor( //
IndexAccessor("a", //
Call("f", 4_i)), //
Call("f", 5_i)), //
Call("f", 6_i));
WrapInFunction(Var("a", ty.array<mat3x4<f32>, 5>(), builtin::AddressSpace::kFunction), //
Assign(lhs, rhs));
auto m = Build();
ASSERT_TRUE(m) << (!m ? m.Failure() : "");
EXPECT_EQ(Disassemble(m.Get()),
R"(%f = func(%p:i32):i32 -> %b1 {
%b1 = block {
ret %p
}
}
%test_function = @compute @workgroup_size(1, 1, 1) func():void -> %b2 {
%b2 = block {
%a:ptr<function, array<mat3x4<f32>, 5>, read_write> = var
%5:i32 = call %f, 1i
%6:i32 = call %f, 2i
%7:ptr<function, vec4<f32>, read_write> = access %a, %5, %6
%8:i32 = call %f, 3i
%9:i32 = call %f, 4i
%10:i32 = call %f, 5i
%11:ptr<function, vec4<f32>, read_write> = access %a, %9, %10
%12:i32 = call %f, 6i
%13:f32 = load_vector_element %11, %12
store_vector_element %7, %8, %13
ret
}
}
)");
}
TEST_F(IR_FromProgramVarTest, Emit_Var_CompoundAssign_42i) {
WrapInFunction(Var("a", ty.i32(), builtin::AddressSpace::kFunction), //
CompoundAssign("a", 42_i, ast::BinaryOp::kAdd));
auto m = Build();
ASSERT_TRUE(m) << (!m ? m.Failure() : "");
EXPECT_EQ(Disassemble(m.Get()),
R"(%test_function = @compute @workgroup_size(1, 1, 1) func():void -> %b1 {
%b1 = block {
%a:ptr<function, i32, read_write> = var
%3:i32 = load %a
%4:i32 = add %3, 42i
store %a, %4
ret
}
}
)");
}
TEST_F(IR_FromProgramVarTest, Emit_Var_CompoundAssign_ArrayOfArray_EvalOrder) {
Func("f", utils::Vector{Param("p", ty.i32())}, ty.i32(), utils::Vector{Return("p")});
auto* lhs = //
IndexAccessor( //
IndexAccessor( //
IndexAccessor("a", //
Call("f", 1_i)), //
Call("f", 2_i)), //
Call("f", 3_i));
auto* rhs = //
IndexAccessor( //
IndexAccessor( //
IndexAccessor("a", //
Call("f", 4_i)), //
Call("f", 5_i)), //
Call("f", 6_i));
WrapInFunction(
Var("a", ty.array<array<array<i32, 5>, 5>, 5>(), builtin::AddressSpace::kFunction), //
CompoundAssign(lhs, rhs, ast::BinaryOp::kAdd));
auto m = Build();
ASSERT_TRUE(m) << (!m ? m.Failure() : "");
EXPECT_EQ(Disassemble(m.Get()),
R"(%f = func(%p:i32):i32 -> %b1 {
%b1 = block {
ret %p
}
}
%test_function = @compute @workgroup_size(1, 1, 1) func():void -> %b2 {
%b2 = block {
%a:ptr<function, array<array<array<i32, 5>, 5>, 5>, read_write> = var
%5:i32 = call %f, 1i
%6:i32 = call %f, 2i
%7:i32 = call %f, 3i
%8:ptr<function, i32, read_write> = access %a, %5, %6, %7
%9:i32 = call %f, 4i
%10:i32 = call %f, 5i
%11:i32 = call %f, 6i
%12:ptr<function, i32, read_write> = access %a, %9, %10, %11
%13:i32 = load %12
%14:i32 = load %8
%15:i32 = add %14, %13
store %8, %15
ret
}
}
)");
}
TEST_F(IR_FromProgramVarTest, Emit_Var_CompoundAssign_ArrayOfMatrix_EvalOrder) {
Func("f", utils::Vector{Param("p", ty.i32())}, ty.i32(), utils::Vector{Return("p")});
auto* lhs = //
IndexAccessor( //
IndexAccessor( //
IndexAccessor("a", //
Call("f", 1_i)), //
Call("f", 2_i)), //
Call("f", 3_i));
auto* rhs = //
IndexAccessor( //
IndexAccessor( //
IndexAccessor("a", //
Call("f", 4_i)), //
Call("f", 5_i)), //
Call("f", 6_i));
WrapInFunction(Var("a", ty.array<mat3x4<f32>, 5>(), builtin::AddressSpace::kFunction), //
CompoundAssign(lhs, rhs, ast::BinaryOp::kAdd));
auto m = Build();
ASSERT_TRUE(m) << (!m ? m.Failure() : "");
EXPECT_EQ(Disassemble(m.Get()),
R"(%f = func(%p:i32):i32 -> %b1 {
%b1 = block {
ret %p
}
}
%test_function = @compute @workgroup_size(1, 1, 1) func():void -> %b2 {
%b2 = block {
%a:ptr<function, array<mat3x4<f32>, 5>, read_write> = var
%5:i32 = call %f, 1i
%6:i32 = call %f, 2i
%7:ptr<function, vec4<f32>, read_write> = access %a, %5, %6
%8:i32 = call %f, 3i
%9:i32 = call %f, 4i
%10:i32 = call %f, 5i
%11:ptr<function, vec4<f32>, read_write> = access %a, %9, %10
%12:i32 = call %f, 6i
%13:f32 = load_vector_element %11, %12
%14:f32 = load_vector_element %7, %8
%15:f32 = add %14, %13
store_vector_element %7, %8, %15
ret
}
}
)");
}
} // namespace
} // namespace tint::ir