mirror of
https://github.com/encounter/dawn-cmake.git
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51750f15d2
FXC errors on these, and they are undefined behavior in WGSL. Bug: tint:1083 Change-Id: I7643fdc6991f8729f274535b603b761398412398 Reviewed-on: https://dawn-review.googlesource.com/c/tint/+/60500 Kokoro: Kokoro <noreply+kokoro@google.com> Commit-Queue: Ben Clayton <bclayton@google.com> Reviewed-by: David Neto <dneto@google.com>
584 lines
17 KiB
C++
584 lines
17 KiB
C++
// Copyright 2020 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/ast/call_statement.h"
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#include "src/ast/variable_decl_statement.h"
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#include "src/writer/hlsl/test_helper.h"
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namespace tint {
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namespace writer {
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namespace hlsl {
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namespace {
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using HlslGeneratorImplTest_Binary = TestHelper;
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struct BinaryData {
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const char* result;
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ast::BinaryOp op;
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};
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inline std::ostream& operator<<(std::ostream& out, BinaryData data) {
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out << data.op;
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return out;
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}
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using HlslBinaryTest = TestParamHelper<BinaryData>;
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TEST_P(HlslBinaryTest, Emit_f32) {
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auto params = GetParam();
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// Skip ops that are illegal for this type
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if (params.op == ast::BinaryOp::kAnd || params.op == ast::BinaryOp::kOr ||
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params.op == ast::BinaryOp::kXor ||
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params.op == ast::BinaryOp::kShiftLeft ||
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params.op == ast::BinaryOp::kShiftRight) {
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return;
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}
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Global("left", ty.f32(), ast::StorageClass::kPrivate);
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Global("right", ty.f32(), ast::StorageClass::kPrivate);
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auto* left = Expr("left");
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auto* right = Expr("right");
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auto* expr = create<ast::BinaryExpression>(params.op, left, right);
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WrapInFunction(expr);
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GeneratorImpl& gen = Build();
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std::stringstream out;
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ASSERT_TRUE(gen.EmitExpression(out, expr)) << gen.error();
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EXPECT_EQ(out.str(), params.result);
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}
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TEST_P(HlslBinaryTest, Emit_u32) {
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auto params = GetParam();
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Global("left", ty.u32(), ast::StorageClass::kPrivate);
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Global("right", ty.u32(), ast::StorageClass::kPrivate);
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auto* left = Expr("left");
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auto* right = Expr("right");
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auto* expr = create<ast::BinaryExpression>(params.op, left, right);
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WrapInFunction(expr);
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GeneratorImpl& gen = Build();
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std::stringstream out;
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ASSERT_TRUE(gen.EmitExpression(out, expr)) << gen.error();
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EXPECT_EQ(out.str(), params.result);
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}
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TEST_P(HlslBinaryTest, Emit_i32) {
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auto params = GetParam();
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// Skip ops that are illegal for this type
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if (params.op == ast::BinaryOp::kShiftLeft ||
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params.op == ast::BinaryOp::kShiftRight) {
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return;
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}
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Global("left", ty.i32(), ast::StorageClass::kPrivate);
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Global("right", ty.i32(), ast::StorageClass::kPrivate);
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auto* left = Expr("left");
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auto* right = Expr("right");
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auto* expr = create<ast::BinaryExpression>(params.op, left, right);
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WrapInFunction(expr);
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GeneratorImpl& gen = Build();
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std::stringstream out;
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ASSERT_TRUE(gen.EmitExpression(out, expr)) << gen.error();
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EXPECT_EQ(out.str(), params.result);
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}
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INSTANTIATE_TEST_SUITE_P(
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HlslGeneratorImplTest,
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HlslBinaryTest,
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testing::Values(
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BinaryData{"(left & right)", ast::BinaryOp::kAnd},
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BinaryData{"(left | right)", ast::BinaryOp::kOr},
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BinaryData{"(left ^ right)", ast::BinaryOp::kXor},
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BinaryData{"(left == right)", ast::BinaryOp::kEqual},
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BinaryData{"(left != right)", ast::BinaryOp::kNotEqual},
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BinaryData{"(left < right)", ast::BinaryOp::kLessThan},
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BinaryData{"(left > right)", ast::BinaryOp::kGreaterThan},
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BinaryData{"(left <= right)", ast::BinaryOp::kLessThanEqual},
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BinaryData{"(left >= right)", ast::BinaryOp::kGreaterThanEqual},
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BinaryData{"(left << right)", ast::BinaryOp::kShiftLeft},
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BinaryData{"(left >> right)", ast::BinaryOp::kShiftRight},
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BinaryData{"(left + right)", ast::BinaryOp::kAdd},
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BinaryData{"(left - right)", ast::BinaryOp::kSubtract},
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BinaryData{"(left * right)", ast::BinaryOp::kMultiply},
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BinaryData{"(left / right)", ast::BinaryOp::kDivide},
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BinaryData{"(left % right)", ast::BinaryOp::kModulo}));
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TEST_F(HlslGeneratorImplTest_Binary, Multiply_VectorScalar) {
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auto* lhs = vec3<f32>(1.f, 1.f, 1.f);
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auto* rhs = Expr(1.f);
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auto* expr =
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create<ast::BinaryExpression>(ast::BinaryOp::kMultiply, lhs, rhs);
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WrapInFunction(expr);
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GeneratorImpl& gen = Build();
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std::stringstream out;
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EXPECT_TRUE(gen.EmitExpression(out, expr)) << gen.error();
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EXPECT_EQ(out.str(),
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"(float3(1.0f, 1.0f, 1.0f) * "
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"1.0f)");
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}
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TEST_F(HlslGeneratorImplTest_Binary, Multiply_ScalarVector) {
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auto* lhs = Expr(1.f);
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auto* rhs = vec3<f32>(1.f, 1.f, 1.f);
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auto* expr =
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create<ast::BinaryExpression>(ast::BinaryOp::kMultiply, lhs, rhs);
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WrapInFunction(expr);
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GeneratorImpl& gen = Build();
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std::stringstream out;
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EXPECT_TRUE(gen.EmitExpression(out, expr)) << gen.error();
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EXPECT_EQ(out.str(),
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"(1.0f * float3(1.0f, 1.0f, "
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"1.0f))");
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}
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TEST_F(HlslGeneratorImplTest_Binary, Multiply_MatrixScalar) {
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Global("mat", ty.mat3x3<f32>(), ast::StorageClass::kPrivate);
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auto* lhs = Expr("mat");
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auto* rhs = Expr(1.f);
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auto* expr =
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create<ast::BinaryExpression>(ast::BinaryOp::kMultiply, lhs, rhs);
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WrapInFunction(expr);
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GeneratorImpl& gen = Build();
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std::stringstream out;
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EXPECT_TRUE(gen.EmitExpression(out, expr)) << gen.error();
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EXPECT_EQ(out.str(), "(mat * 1.0f)");
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}
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TEST_F(HlslGeneratorImplTest_Binary, Multiply_ScalarMatrix) {
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Global("mat", ty.mat3x3<f32>(), ast::StorageClass::kPrivate);
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auto* lhs = Expr(1.f);
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auto* rhs = Expr("mat");
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auto* expr =
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create<ast::BinaryExpression>(ast::BinaryOp::kMultiply, lhs, rhs);
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WrapInFunction(expr);
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GeneratorImpl& gen = Build();
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std::stringstream out;
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EXPECT_TRUE(gen.EmitExpression(out, expr)) << gen.error();
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EXPECT_EQ(out.str(), "(1.0f * mat)");
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}
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TEST_F(HlslGeneratorImplTest_Binary, Multiply_MatrixVector) {
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Global("mat", ty.mat3x3<f32>(), ast::StorageClass::kPrivate);
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auto* lhs = Expr("mat");
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auto* rhs = vec3<f32>(1.f, 1.f, 1.f);
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auto* expr =
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create<ast::BinaryExpression>(ast::BinaryOp::kMultiply, lhs, rhs);
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WrapInFunction(expr);
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GeneratorImpl& gen = Build();
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std::stringstream out;
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EXPECT_TRUE(gen.EmitExpression(out, expr)) << gen.error();
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EXPECT_EQ(out.str(), "mul(float3(1.0f, 1.0f, 1.0f), mat)");
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}
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TEST_F(HlslGeneratorImplTest_Binary, Multiply_VectorMatrix) {
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Global("mat", ty.mat3x3<f32>(), ast::StorageClass::kPrivate);
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auto* lhs = vec3<f32>(1.f, 1.f, 1.f);
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auto* rhs = Expr("mat");
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auto* expr =
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create<ast::BinaryExpression>(ast::BinaryOp::kMultiply, lhs, rhs);
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WrapInFunction(expr);
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GeneratorImpl& gen = Build();
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std::stringstream out;
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EXPECT_TRUE(gen.EmitExpression(out, expr)) << gen.error();
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EXPECT_EQ(out.str(), "mul(mat, float3(1.0f, 1.0f, 1.0f))");
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}
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TEST_F(HlslGeneratorImplTest_Binary, Multiply_MatrixMatrix) {
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Global("lhs", ty.mat3x3<f32>(), ast::StorageClass::kPrivate);
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Global("rhs", ty.mat3x3<f32>(), ast::StorageClass::kPrivate);
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auto* expr = create<ast::BinaryExpression>(ast::BinaryOp::kMultiply,
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Expr("lhs"), Expr("rhs"));
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WrapInFunction(expr);
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GeneratorImpl& gen = Build();
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std::stringstream out;
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EXPECT_TRUE(gen.EmitExpression(out, expr)) << gen.error();
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EXPECT_EQ(out.str(), "mul(rhs, lhs)");
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}
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TEST_F(HlslGeneratorImplTest_Binary, Logical_And) {
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Global("a", ty.bool_(), ast::StorageClass::kPrivate);
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Global("b", ty.bool_(), ast::StorageClass::kPrivate);
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auto* expr = create<ast::BinaryExpression>(ast::BinaryOp::kLogicalAnd,
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Expr("a"), Expr("b"));
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WrapInFunction(expr);
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GeneratorImpl& gen = Build();
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std::stringstream out;
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ASSERT_TRUE(gen.EmitExpression(out, expr)) << gen.error();
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EXPECT_EQ(out.str(), "(tint_tmp)");
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EXPECT_EQ(gen.result(), R"(bool tint_tmp = a;
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if (tint_tmp) {
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tint_tmp = b;
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}
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)");
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}
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TEST_F(HlslGeneratorImplTest_Binary, Logical_Multi) {
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// (a && b) || (c || d)
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Global("a", ty.bool_(), ast::StorageClass::kPrivate);
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Global("b", ty.bool_(), ast::StorageClass::kPrivate);
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Global("c", ty.bool_(), ast::StorageClass::kPrivate);
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Global("d", ty.bool_(), ast::StorageClass::kPrivate);
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auto* expr = create<ast::BinaryExpression>(
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ast::BinaryOp::kLogicalOr,
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create<ast::BinaryExpression>(ast::BinaryOp::kLogicalAnd, Expr("a"),
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Expr("b")),
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create<ast::BinaryExpression>(ast::BinaryOp::kLogicalOr, Expr("c"),
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Expr("d")));
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WrapInFunction(expr);
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GeneratorImpl& gen = Build();
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std::stringstream out;
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ASSERT_TRUE(gen.EmitExpression(out, expr)) << gen.error();
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EXPECT_EQ(out.str(), "(tint_tmp)");
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EXPECT_EQ(gen.result(), R"(bool tint_tmp_1 = a;
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if (tint_tmp_1) {
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tint_tmp_1 = b;
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}
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bool tint_tmp = (tint_tmp_1);
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if (!tint_tmp) {
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bool tint_tmp_2 = c;
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if (!tint_tmp_2) {
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tint_tmp_2 = d;
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}
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tint_tmp = (tint_tmp_2);
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}
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)");
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}
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TEST_F(HlslGeneratorImplTest_Binary, Logical_Or) {
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Global("a", ty.bool_(), ast::StorageClass::kPrivate);
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Global("b", ty.bool_(), ast::StorageClass::kPrivate);
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auto* expr = create<ast::BinaryExpression>(ast::BinaryOp::kLogicalOr,
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Expr("a"), Expr("b"));
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WrapInFunction(expr);
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GeneratorImpl& gen = Build();
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std::stringstream out;
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ASSERT_TRUE(gen.EmitExpression(out, expr)) << gen.error();
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EXPECT_EQ(out.str(), "(tint_tmp)");
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EXPECT_EQ(gen.result(), R"(bool tint_tmp = a;
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if (!tint_tmp) {
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tint_tmp = b;
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}
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)");
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}
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TEST_F(HlslGeneratorImplTest_Binary, If_WithLogical) {
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// if (a && b) {
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// return 1;
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// } else if (b || c) {
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// return 2;
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// } else {
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// return 3;
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// }
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Global("a", ty.bool_(), ast::StorageClass::kPrivate);
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Global("b", ty.bool_(), ast::StorageClass::kPrivate);
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Global("c", ty.bool_(), ast::StorageClass::kPrivate);
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auto* body = Block(Return(3));
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auto* else_stmt = create<ast::ElseStatement>(nullptr, body);
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body = Block(Return(2));
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auto* else_if_stmt = create<ast::ElseStatement>(
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create<ast::BinaryExpression>(ast::BinaryOp::kLogicalOr, Expr("b"),
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Expr("c")),
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body);
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body = Block(Return(1));
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auto* expr = create<ast::IfStatement>(
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create<ast::BinaryExpression>(ast::BinaryOp::kLogicalAnd, Expr("a"),
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Expr("b")),
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body,
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ast::ElseStatementList{
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else_if_stmt,
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else_stmt,
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});
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Func("func", {}, ty.i32(), {WrapInStatement(expr), Return(0)});
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GeneratorImpl& gen = Build();
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ASSERT_TRUE(gen.EmitStatement(expr)) << gen.error();
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EXPECT_EQ(gen.result(), R"(bool tint_tmp = a;
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if (tint_tmp) {
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tint_tmp = b;
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}
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if ((tint_tmp)) {
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return 1;
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} else {
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bool tint_tmp_1 = b;
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if (!tint_tmp_1) {
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tint_tmp_1 = c;
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}
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if ((tint_tmp_1)) {
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return 2;
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} else {
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return 3;
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}
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}
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)");
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}
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TEST_F(HlslGeneratorImplTest_Binary, Return_WithLogical) {
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// return (a && b) || c;
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Global("a", ty.bool_(), ast::StorageClass::kPrivate);
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Global("b", ty.bool_(), ast::StorageClass::kPrivate);
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Global("c", ty.bool_(), ast::StorageClass::kPrivate);
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auto* expr = Return(create<ast::BinaryExpression>(
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ast::BinaryOp::kLogicalOr,
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create<ast::BinaryExpression>(ast::BinaryOp::kLogicalAnd, Expr("a"),
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Expr("b")),
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Expr("c")));
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Func("func", {}, ty.bool_(), {WrapInStatement(expr)});
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GeneratorImpl& gen = Build();
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ASSERT_TRUE(gen.EmitStatement(expr)) << gen.error();
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EXPECT_EQ(gen.result(), R"(bool tint_tmp_1 = a;
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if (tint_tmp_1) {
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tint_tmp_1 = b;
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}
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bool tint_tmp = (tint_tmp_1);
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if (!tint_tmp) {
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tint_tmp = c;
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}
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return (tint_tmp);
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)");
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}
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TEST_F(HlslGeneratorImplTest_Binary, Assign_WithLogical) {
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// a = (b || c) && d;
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Global("a", ty.bool_(), ast::StorageClass::kPrivate);
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Global("b", ty.bool_(), ast::StorageClass::kPrivate);
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Global("c", ty.bool_(), ast::StorageClass::kPrivate);
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Global("d", ty.bool_(), ast::StorageClass::kPrivate);
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auto* expr = Assign(
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Expr("a"), create<ast::BinaryExpression>(
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ast::BinaryOp::kLogicalAnd,
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create<ast::BinaryExpression>(ast::BinaryOp::kLogicalOr,
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Expr("b"), Expr("c")),
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Expr("d")));
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WrapInFunction(expr);
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GeneratorImpl& gen = Build();
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ASSERT_TRUE(gen.EmitStatement(expr)) << gen.error();
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EXPECT_EQ(gen.result(), R"(bool tint_tmp_1 = b;
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if (!tint_tmp_1) {
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tint_tmp_1 = c;
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}
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bool tint_tmp = (tint_tmp_1);
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if (tint_tmp) {
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tint_tmp = d;
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}
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a = (tint_tmp);
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)");
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}
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TEST_F(HlslGeneratorImplTest_Binary, Decl_WithLogical) {
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// var a : bool = (b && c) || d;
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Global("b", ty.bool_(), ast::StorageClass::kPrivate);
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Global("c", ty.bool_(), ast::StorageClass::kPrivate);
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Global("d", ty.bool_(), ast::StorageClass::kPrivate);
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auto* var = Var("a", ty.bool_(), ast::StorageClass::kNone,
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create<ast::BinaryExpression>(
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ast::BinaryOp::kLogicalOr,
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create<ast::BinaryExpression>(ast::BinaryOp::kLogicalAnd,
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Expr("b"), Expr("c")),
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Expr("d")));
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auto* decl = Decl(var);
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WrapInFunction(decl);
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GeneratorImpl& gen = Build();
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ASSERT_TRUE(gen.EmitStatement(decl)) << gen.error();
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EXPECT_EQ(gen.result(), R"(bool tint_tmp_1 = b;
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if (tint_tmp_1) {
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tint_tmp_1 = c;
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}
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bool tint_tmp = (tint_tmp_1);
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if (!tint_tmp) {
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tint_tmp = d;
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}
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bool a = (tint_tmp);
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)");
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}
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TEST_F(HlslGeneratorImplTest_Binary, Bitcast_WithLogical) {
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// as<i32>(a && (b || c))
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Global("a", ty.bool_(), ast::StorageClass::kPrivate);
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Global("b", ty.bool_(), ast::StorageClass::kPrivate);
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Global("c", ty.bool_(), ast::StorageClass::kPrivate);
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auto* expr = create<ast::BitcastExpression>(
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ty.i32(), create<ast::BinaryExpression>(
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ast::BinaryOp::kLogicalAnd, Expr("a"),
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create<ast::BinaryExpression>(ast::BinaryOp::kLogicalOr,
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Expr("b"), Expr("c"))));
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WrapInFunction(expr);
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GeneratorImpl& gen = Build();
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std::stringstream out;
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ASSERT_TRUE(gen.EmitExpression(out, expr)) << gen.error();
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EXPECT_EQ(gen.result(), R"(bool tint_tmp = a;
|
|
if (tint_tmp) {
|
|
bool tint_tmp_1 = b;
|
|
if (!tint_tmp_1) {
|
|
tint_tmp_1 = c;
|
|
}
|
|
tint_tmp = (tint_tmp_1);
|
|
}
|
|
)");
|
|
EXPECT_EQ(out.str(), R"(asint((tint_tmp)))");
|
|
}
|
|
|
|
TEST_F(HlslGeneratorImplTest_Binary, Call_WithLogical) {
|
|
// foo(a && b, c || d, (a || c) && (b || d))
|
|
|
|
Func("foo",
|
|
{
|
|
Param(Sym(), ty.bool_()),
|
|
Param(Sym(), ty.bool_()),
|
|
Param(Sym(), ty.bool_()),
|
|
},
|
|
ty.void_(), ast::StatementList{}, ast::DecorationList{});
|
|
Global("a", ty.bool_(), ast::StorageClass::kPrivate);
|
|
Global("b", ty.bool_(), ast::StorageClass::kPrivate);
|
|
Global("c", ty.bool_(), ast::StorageClass::kPrivate);
|
|
Global("d", ty.bool_(), ast::StorageClass::kPrivate);
|
|
|
|
ast::ExpressionList params;
|
|
params.push_back(create<ast::BinaryExpression>(ast::BinaryOp::kLogicalAnd,
|
|
Expr("a"), Expr("b")));
|
|
params.push_back(create<ast::BinaryExpression>(ast::BinaryOp::kLogicalOr,
|
|
Expr("c"), Expr("d")));
|
|
params.push_back(create<ast::BinaryExpression>(
|
|
ast::BinaryOp::kLogicalAnd,
|
|
create<ast::BinaryExpression>(ast::BinaryOp::kLogicalOr, Expr("a"),
|
|
Expr("c")),
|
|
create<ast::BinaryExpression>(ast::BinaryOp::kLogicalOr, Expr("b"),
|
|
Expr("d"))));
|
|
|
|
auto* expr = create<ast::CallStatement>(Call("foo", params));
|
|
WrapInFunction(expr);
|
|
|
|
GeneratorImpl& gen = Build();
|
|
|
|
ASSERT_TRUE(gen.EmitStatement(expr)) << gen.error();
|
|
EXPECT_EQ(gen.result(), R"(bool tint_tmp = a;
|
|
if (tint_tmp) {
|
|
tint_tmp = b;
|
|
}
|
|
bool tint_tmp_1 = c;
|
|
if (!tint_tmp_1) {
|
|
tint_tmp_1 = d;
|
|
}
|
|
bool tint_tmp_3 = a;
|
|
if (!tint_tmp_3) {
|
|
tint_tmp_3 = c;
|
|
}
|
|
bool tint_tmp_2 = (tint_tmp_3);
|
|
if (tint_tmp_2) {
|
|
bool tint_tmp_4 = b;
|
|
if (!tint_tmp_4) {
|
|
tint_tmp_4 = d;
|
|
}
|
|
tint_tmp_2 = (tint_tmp_4);
|
|
}
|
|
foo((tint_tmp), (tint_tmp_1), (tint_tmp_2));
|
|
)");
|
|
}
|
|
|
|
TEST_F(HlslGeneratorImplTest_Binary, DivideByLiteralZero_i32) {
|
|
Global("a", ty.i32(), ast::StorageClass::kPrivate);
|
|
|
|
auto* expr = Div("a", 0);
|
|
WrapInFunction(expr);
|
|
|
|
GeneratorImpl& gen = Build();
|
|
|
|
std::stringstream out;
|
|
ASSERT_TRUE(gen.EmitExpression(out, expr)) << gen.error();
|
|
EXPECT_EQ(out.str(), R"((a / 1))");
|
|
}
|
|
|
|
TEST_F(HlslGeneratorImplTest_Binary, DivideByLiteralZero_u32) {
|
|
Global("a", ty.u32(), ast::StorageClass::kPrivate);
|
|
|
|
auto* expr = Div("a", 0u);
|
|
WrapInFunction(expr);
|
|
|
|
GeneratorImpl& gen = Build();
|
|
|
|
std::stringstream out;
|
|
ASSERT_TRUE(gen.EmitExpression(out, expr)) << gen.error();
|
|
EXPECT_EQ(out.str(), R"((a / 1u))");
|
|
}
|
|
|
|
} // namespace
|
|
} // namespace hlsl
|
|
} // namespace writer
|
|
} // namespace tint
|