1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
|
// Copyright 2017 the V8 project authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include <cstdint>
#include "src/assembler-inl.h"
#include "src/objects-inl.h"
#include "src/wasm/wasm-objects.h"
#include "test/cctest/cctest.h"
#include "test/cctest/compiler/value-helper.h"
#include "test/cctest/wasm/wasm-run-utils.h"
#include "test/common/wasm/wasm-macro-gen.h"
namespace v8 {
namespace internal {
namespace wasm {
/**
* We test the interface from Wasm compiled code to the Wasm interpreter by
* building a module with two functions. The external function is called from
* this test, and will be compiled code. It takes its arguments and passes them
* on to the internal function, which will be redirected to the interpreter.
* If the internal function has an i64 parameter, is has to be replaced by two
* i32 parameters on the external function.
* The internal function just converts all its arguments to f64, sums them up
* and returns the sum.
*/
namespace {
template <typename T>
class ArgPassingHelper {
public:
ArgPassingHelper(WasmRunnerBase& runner, WasmFunctionCompiler& inner_compiler,
std::initializer_list<uint8_t> bytes_inner_function,
std::initializer_list<uint8_t> bytes_outer_function,
const T& expected_lambda)
: isolate_(runner.main_isolate()),
expected_lambda_(expected_lambda),
debug_info_(WasmInstanceObject::GetOrCreateDebugInfo(
runner.builder().instance_object())) {
std::vector<uint8_t> inner_code{bytes_inner_function};
inner_compiler.Build(inner_code.data(),
inner_code.data() + inner_code.size());
std::vector<uint8_t> outer_code{bytes_outer_function};
runner.Build(outer_code.data(), outer_code.data() + outer_code.size());
int funcs_to_redict[] = {static_cast<int>(inner_compiler.function_index())};
runner.builder().Link();
WasmDebugInfo::RedirectToInterpreter(debug_info_,
ArrayVector(funcs_to_redict));
main_fun_wrapper_ = runner.builder().WrapCode(runner.function_index());
}
template <typename... Args>
void CheckCall(Args... args) {
Handle<Object> arg_objs[] = {isolate_->factory()->NewNumber(args)...};
uint64_t num_interpreted_before = debug_info_->NumInterpretedCalls();
Handle<Object> global(isolate_->context()->global_object(), isolate_);
MaybeHandle<Object> retval = Execution::Call(
isolate_, main_fun_wrapper_, global, arraysize(arg_objs), arg_objs);
uint64_t num_interpreted_after = debug_info_->NumInterpretedCalls();
// Check that we really went through the interpreter.
CHECK_EQ(num_interpreted_before + 1, num_interpreted_after);
// Check the result.
double result = retval.ToHandleChecked()->Number();
double expected = expected_lambda_(args...);
CHECK_DOUBLE_EQ(expected, result);
}
private:
Isolate* isolate_;
T expected_lambda_;
Handle<WasmDebugInfo> debug_info_;
Handle<JSFunction> main_fun_wrapper_;
};
template <typename T>
static ArgPassingHelper<T> GetHelper(
WasmRunnerBase& runner, WasmFunctionCompiler& inner_compiler,
std::initializer_list<uint8_t> bytes_inner_function,
std::initializer_list<uint8_t> bytes_outer_function,
const T& expected_lambda) {
return ArgPassingHelper<T>(runner, inner_compiler, bytes_inner_function,
bytes_outer_function, expected_lambda);
}
} // namespace
// Pass int32_t, return int32_t.
TEST(TestArgumentPassing_int32) {
WasmRunner<int32_t, int32_t> runner(kExecuteTurbofan);
WasmFunctionCompiler& f2 = runner.NewFunction<int32_t, int32_t>();
auto helper = GetHelper(
runner, f2,
{// Return 2*<0> + 1.
WASM_I32_ADD(WASM_I32_MUL(WASM_I32V_1(2), WASM_GET_LOCAL(0)), WASM_ONE)},
{// Call f2 with param <0>.
WASM_GET_LOCAL(0), WASM_CALL_FUNCTION0(f2.function_index())},
[](int32_t a) { return 2 * a + 1; });
FOR_INT32_INPUTS(v) { helper.CheckCall(*v); }
}
// Pass int64_t, return double.
TEST(TestArgumentPassing_double_int64) {
WasmRunner<double, int32_t, int32_t> runner(kExecuteTurbofan);
WasmFunctionCompiler& f2 = runner.NewFunction<double, int64_t>();
auto helper = GetHelper(
runner, f2,
{// Return (double)<0>.
WASM_F64_SCONVERT_I64(WASM_GET_LOCAL(0))},
{// Call f2 with param (<0> | (<1> << 32)).
WASM_I64_IOR(WASM_I64_UCONVERT_I32(WASM_GET_LOCAL(0)),
WASM_I64_SHL(WASM_I64_UCONVERT_I32(WASM_GET_LOCAL(1)),
WASM_I64V_1(32))),
WASM_CALL_FUNCTION0(f2.function_index())},
[](int32_t a, int32_t b) {
int64_t a64 = static_cast<int64_t>(a) & 0xffffffff;
int64_t b64 = static_cast<int64_t>(b) << 32;
return static_cast<double>(a64 | b64);
});
FOR_INT32_INPUTS(v1) {
FOR_INT32_INPUTS(v2) { helper.CheckCall(*v1, *v2); }
}
FOR_INT64_INPUTS(v) {
int32_t v1 = static_cast<int32_t>(*v);
int32_t v2 = static_cast<int32_t>(*v >> 32);
helper.CheckCall(v1, v2);
helper.CheckCall(v2, v1);
}
}
// Pass double, return int64_t.
TEST(TestArgumentPassing_int64_double) {
// Outer function still returns double.
WasmRunner<double, double> runner(kExecuteTurbofan);
WasmFunctionCompiler& f2 = runner.NewFunction<int64_t, double>();
auto helper = GetHelper(
runner, f2,
{// Return (int64_t)<0>.
WASM_I64_SCONVERT_F64(WASM_GET_LOCAL(0))},
{// Call f2 with param <0>, convert returned value back to double.
WASM_F64_SCONVERT_I64(WASM_SEQ(
WASM_GET_LOCAL(0), WASM_CALL_FUNCTION0(f2.function_index())))},
[](double d) { return d; });
for (int64_t i : compiler::ValueHelper::int64_vector()) {
helper.CheckCall(i);
}
}
// Pass float, return double.
TEST(TestArgumentPassing_float_double) {
WasmRunner<double, float> runner(kExecuteTurbofan);
WasmFunctionCompiler& f2 = runner.NewFunction<double, float>();
auto helper = GetHelper(
runner, f2,
{// Return 2*(double)<0> + 1.
WASM_F64_ADD(
WASM_F64_MUL(WASM_F64(2), WASM_F64_CONVERT_F32(WASM_GET_LOCAL(0))),
WASM_F64(1))},
{// Call f2 with param <0>.
WASM_GET_LOCAL(0), WASM_CALL_FUNCTION0(f2.function_index())},
[](float f) { return 2. * static_cast<double>(f) + 1.; });
FOR_FLOAT32_INPUTS(f) { helper.CheckCall(*f); }
}
// Pass two doubles, return double.
TEST(TestArgumentPassing_double_double) {
WasmRunner<double, double, double> runner(kExecuteTurbofan);
WasmFunctionCompiler& f2 = runner.NewFunction<double, double, double>();
auto helper = GetHelper(runner, f2,
{// Return <0> + <1>.
WASM_F64_ADD(WASM_GET_LOCAL(0), WASM_GET_LOCAL(1))},
{// Call f2 with params <0>, <1>.
WASM_GET_LOCAL(0), WASM_GET_LOCAL(1),
WASM_CALL_FUNCTION0(f2.function_index())},
[](double a, double b) { return a + b; });
FOR_FLOAT64_INPUTS(d1) {
FOR_FLOAT64_INPUTS(d2) { helper.CheckCall(*d1, *d2); }
}
}
// Pass int32_t, int64_t, float and double, return double.
TEST(TestArgumentPassing_AllTypes) {
// The second and third argument will be combined to an i64.
WasmRunner<double, int32_t, int32_t, int32_t, float, double> runner(
kExecuteTurbofan);
WasmFunctionCompiler& f2 =
runner.NewFunction<double, int32_t, int64_t, float, double>();
auto helper = GetHelper(
runner, f2,
{
// Convert all arguments to double, add them and return the sum.
WASM_F64_ADD( // <0+1+2> + <3>
WASM_F64_ADD( // <0+1> + <2>
WASM_F64_ADD( // <0> + <1>
WASM_F64_SCONVERT_I32(
WASM_GET_LOCAL(0)), // <0> to double
WASM_F64_SCONVERT_I64(
WASM_GET_LOCAL(1))), // <1> to double
WASM_F64_CONVERT_F32(WASM_GET_LOCAL(2))), // <2> to double
WASM_GET_LOCAL(3)) // <3>
},
{WASM_GET_LOCAL(0), // first arg
WASM_I64_IOR(WASM_I64_UCONVERT_I32(WASM_GET_LOCAL(1)), // second arg
WASM_I64_SHL(WASM_I64_UCONVERT_I32(WASM_GET_LOCAL(2)),
WASM_I64V_1(32))),
WASM_GET_LOCAL(3), // third arg
WASM_GET_LOCAL(4), // fourth arg
WASM_CALL_FUNCTION0(f2.function_index())},
[](int32_t a, int32_t b, int32_t c, float d, double e) {
return 0. + a + (static_cast<int64_t>(b) & 0xffffffff) +
((static_cast<int64_t>(c) & 0xffffffff) << 32) + d + e;
});
auto CheckCall = [&](int32_t a, int64_t b, float c, double d) {
int32_t b0 = static_cast<int32_t>(b);
int32_t b1 = static_cast<int32_t>(b >> 32);
helper.CheckCall(a, b0, b1, c, d);
helper.CheckCall(a, b1, b0, c, d);
};
Vector<const int32_t> test_values_i32 = compiler::ValueHelper::int32_vector();
Vector<const int64_t> test_values_i64 = compiler::ValueHelper::int64_vector();
Vector<const float> test_values_f32 = compiler::ValueHelper::float32_vector();
Vector<const double> test_values_f64 =
compiler::ValueHelper::float64_vector();
size_t max_len =
std::max(std::max(test_values_i32.size(), test_values_i64.size()),
std::max(test_values_f32.size(), test_values_f64.size()));
for (size_t i = 0; i < max_len; ++i) {
int32_t i32 = test_values_i32[i % test_values_i32.size()];
int64_t i64 = test_values_i64[i % test_values_i64.size()];
float f32 = test_values_f32[i % test_values_f32.size()];
double f64 = test_values_f64[i % test_values_f64.size()];
CheckCall(i32, i64, f32, f64);
}
}
} // namespace wasm
} // namespace internal
} // namespace v8
|
