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v8/test/cctest/wasm/test-run-wasm-js.cc
titzer 1e1f72f3a6 [wasm] Factor out WasmModuleInstance from ModuleEnv. 
R=ahaas@chromium.org,bradnelson@chromium.org
BUG=

Review URL: https://codereview.chromium.org/1637923002

Cr-Commit-Position: refs/heads/master@{#33541}
2016-01-27 11:04:40 +00:00

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// Copyright 2015 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 <stdint.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include "src/wasm/wasm-macro-gen.h"
#include "test/cctest/cctest.h"
#include "test/cctest/wasm/test-signatures.h"
#include "test/cctest/wasm/wasm-run-utils.h"
using namespace v8::base;
using namespace v8::internal;
using namespace v8::internal::compiler;
using namespace v8::internal::wasm;
#define BUILD(r, ...) \
do { \
byte code[] = {__VA_ARGS__}; \
r.Build(code, code + arraysize(code)); \
} while (false)
#define ADD_CODE(vec, ...) \
do { \
byte __buf[] = {__VA_ARGS__}; \
for (size_t i = 0; i < sizeof(__buf); i++) vec.push_back(__buf[i]); \
} while (false)
namespace {
// A helper for generating predictable but unique argument values that
// are easy to debug (e.g. with misaligned stacks).
class PredictableInputValues {
public:
int base_;
explicit PredictableInputValues(int base) : base_(base) {}
double arg_d(int which) { return base_ * which + ((which & 1) * 0.5); }
float arg_f(int which) { return base_ * which + ((which & 1) * 0.25); }
int32_t arg_i(int which) { return base_ * which + ((which & 1) * kMinInt); }
int64_t arg_l(int which) {
return base_ * which + ((which & 1) * (0x04030201LL << 32));
}
};
uint32_t AddJsFunction(TestingModule* module, FunctionSig* sig,
const char* source) {
Handle<JSFunction> jsfunc = Handle<JSFunction>::cast(v8::Utils::OpenHandle(
*v8::Local<v8::Function>::Cast(CompileRun(source))));
module->AddFunction(sig, Handle<Code>::null());
uint32_t index = static_cast<uint32_t>(module->module->functions->size() - 1);
Isolate* isolate = CcTest::InitIsolateOnce();
Handle<Code> code = CompileWasmToJSWrapper(isolate, module, jsfunc, index);
module->instance->function_code->at(index) = code;
return index;
}
uint32_t AddJSSelector(TestingModule* module, FunctionSig* sig, int which) {
const int kMaxParams = 8;
static const char* formals[kMaxParams] = {
"", "a", "a,b", "a,b,c",
"a,b,c,d", "a,b,c,d,e", "a,b,c,d,e,f", "a,b,c,d,e,f,g",
};
CHECK_LT(which, static_cast<int>(sig->parameter_count()));
CHECK_LT(static_cast<int>(sig->parameter_count()), kMaxParams);
i::EmbeddedVector<char, 256> source;
char param = 'a' + which;
SNPrintF(source, "(function(%s) { return %c; })",
formals[sig->parameter_count()], param);
return AddJsFunction(module, sig, source.start());
}
Handle<JSFunction> WrapCode(ModuleEnv* module, uint32_t index) {
Isolate* isolate = module->module->shared_isolate;
// Wrap the code so it can be called as a JS function.
Handle<String> name = isolate->factory()->NewStringFromStaticChars("main");
Handle<JSObject> module_object = Handle<JSObject>(0, isolate);
Handle<Code> code = module->instance->function_code->at(index);
WasmJs::InstallWasmFunctionMap(isolate, isolate->native_context());
return compiler::CompileJSToWasmWrapper(isolate, module, name, code,
module_object, index);
}
void EXPECT_CALL(double expected, Handle<JSFunction> jsfunc,
Handle<Object>* buffer, int count) {
Isolate* isolate = jsfunc->GetIsolate();
Handle<Object> global(isolate->context()->global_object(), isolate);
MaybeHandle<Object> retval =
Execution::Call(isolate, jsfunc, global, count, buffer);
CHECK(!retval.is_null());
Handle<Object> result = retval.ToHandleChecked();
if (result->IsSmi()) {
CHECK_EQ(expected, Smi::cast(*result)->value());
} else {
CHECK(result->IsHeapNumber());
CheckFloatEq(expected, HeapNumber::cast(*result)->value());
}
}
void EXPECT_CALL(double expected, Handle<JSFunction> jsfunc, double a,
double b) {
Isolate* isolate = jsfunc->GetIsolate();
Handle<Object> buffer[] = {isolate->factory()->NewNumber(a),
isolate->factory()->NewNumber(b)};
EXPECT_CALL(expected, jsfunc, buffer, 2);
}
} // namespace
TEST(Run_Int32Sub_jswrapped) {
TestSignatures sigs;
TestingModule module;
WasmFunctionCompiler t(sigs.i_ii());
BUILD(t, WASM_I32_SUB(WASM_GET_LOCAL(0), WASM_GET_LOCAL(1)));
Handle<JSFunction> jsfunc = WrapCode(&module, t.CompileAndAdd(&module));
EXPECT_CALL(33, jsfunc, 44, 11);
EXPECT_CALL(-8723487, jsfunc, -8000000, 723487);
}
TEST(Run_Float32Div_jswrapped) {
TestSignatures sigs;
TestingModule module;
WasmFunctionCompiler t(sigs.f_ff());
BUILD(t, WASM_F32_DIV(WASM_GET_LOCAL(0), WASM_GET_LOCAL(1)));
Handle<JSFunction> jsfunc = WrapCode(&module, t.CompileAndAdd(&module));
EXPECT_CALL(92, jsfunc, 46, 0.5);
EXPECT_CALL(64, jsfunc, -16, -0.25);
}
TEST(Run_Float64Add_jswrapped) {
TestSignatures sigs;
TestingModule module;
WasmFunctionCompiler t(sigs.d_dd());
BUILD(t, WASM_F64_ADD(WASM_GET_LOCAL(0), WASM_GET_LOCAL(1)));
Handle<JSFunction> jsfunc = WrapCode(&module, t.CompileAndAdd(&module));
EXPECT_CALL(3, jsfunc, 2, 1);
EXPECT_CALL(-5.5, jsfunc, -5.25, -0.25);
}
TEST(Run_I32Popcount_jswrapped) {
TestSignatures sigs;
TestingModule module;
WasmFunctionCompiler t(sigs.i_i());
BUILD(t, WASM_I32_POPCNT(WASM_GET_LOCAL(0)));
Handle<JSFunction> jsfunc = WrapCode(&module, t.CompileAndAdd(&module));
EXPECT_CALL(2, jsfunc, 9, 0);
EXPECT_CALL(3, jsfunc, 11, 0);
EXPECT_CALL(6, jsfunc, 0x3F, 0);
USE(AddJsFunction);
}
#if !V8_TARGET_ARCH_ARM64
// TODO(titzer): dynamic frame alignment on arm64
TEST(Run_CallJS_Add_jswrapped) {
TestSignatures sigs;
TestingModule module;
WasmFunctionCompiler t(sigs.i_i(), &module);
uint32_t js_index =
AddJsFunction(&module, sigs.i_i(), "(function(a) { return a + 99; })");
BUILD(t, WASM_CALL_FUNCTION(js_index, WASM_GET_LOCAL(0)));
Handle<JSFunction> jsfunc = WrapCode(&module, t.CompileAndAdd(&module));
EXPECT_CALL(101, jsfunc, 2, -8);
EXPECT_CALL(199, jsfunc, 100, -1);
EXPECT_CALL(-666666801, jsfunc, -666666900, -1);
}
#endif
void RunJSSelectTest(int which) {
#if !V8_TARGET_ARCH_ARM
// TODO(titzer): fix tests on arm and reenable
const int kMaxParams = 8;
PredictableInputValues inputs(0x100);
LocalType type = kAstF64;
LocalType types[kMaxParams + 1] = {type, type, type, type, type,
type, type, type, type};
for (int num_params = which + 1; num_params < kMaxParams; num_params++) {
HandleScope scope(CcTest::InitIsolateOnce());
FunctionSig sig(1, num_params, types);
TestingModule module;
uint32_t js_index = AddJSSelector(&module, &sig, which);
WasmFunctionCompiler t(&sig, &module);
{
std::vector<byte> code;
ADD_CODE(code, kExprCallFunction, static_cast<byte>(js_index));
for (int i = 0; i < num_params; i++) {
ADD_CODE(code, WASM_F64(inputs.arg_d(i)));
}
size_t end = code.size();
code.push_back(0);
t.Build(&code[0], &code[end]);
}
Handle<JSFunction> jsfunc = WrapCode(&module, t.CompileAndAdd(&module));
double expected = inputs.arg_d(which);
EXPECT_CALL(expected, jsfunc, 0.0, 0.0);
}
#endif
}
TEST(Run_JSSelect_0) { RunJSSelectTest(0); }
TEST(Run_JSSelect_1) { RunJSSelectTest(1); }
TEST(Run_JSSelect_2) { RunJSSelectTest(2); }
TEST(Run_JSSelect_3) { RunJSSelectTest(3); }
TEST(Run_JSSelect_4) { RunJSSelectTest(4); }
TEST(Run_JSSelect_5) { RunJSSelectTest(5); }
TEST(Run_JSSelect_6) { RunJSSelectTest(6); }
TEST(Run_JSSelect_7) { RunJSSelectTest(7); }
void RunWASMSelectTest(int which) {
PredictableInputValues inputs(0x200);
Isolate* isolate = CcTest::InitIsolateOnce();
const int kMaxParams = 8;
for (int num_params = which + 1; num_params < kMaxParams; num_params++) {
LocalType type = kAstF64;
LocalType types[kMaxParams + 1] = {type, type, type, type, type,
type, type, type, type};
FunctionSig sig(1, num_params, types);
TestingModule module;
WasmFunctionCompiler t(&sig, &module);
BUILD(t, WASM_GET_LOCAL(which));
Handle<JSFunction> jsfunc = WrapCode(&module, t.CompileAndAdd(&module));
Handle<Object> args[] = {
isolate->factory()->NewNumber(inputs.arg_d(0)),
isolate->factory()->NewNumber(inputs.arg_d(1)),
isolate->factory()->NewNumber(inputs.arg_d(2)),
isolate->factory()->NewNumber(inputs.arg_d(3)),
isolate->factory()->NewNumber(inputs.arg_d(4)),
isolate->factory()->NewNumber(inputs.arg_d(5)),
isolate->factory()->NewNumber(inputs.arg_d(6)),
isolate->factory()->NewNumber(inputs.arg_d(7)),
};
double expected = inputs.arg_d(which);
EXPECT_CALL(expected, jsfunc, args, kMaxParams);
}
}
TEST(Run_WASMSelect_0) { RunWASMSelectTest(0); }
TEST(Run_WASMSelect_1) { RunWASMSelectTest(1); }
TEST(Run_WASMSelect_2) { RunWASMSelectTest(2); }
TEST(Run_WASMSelect_3) { RunWASMSelectTest(3); }
TEST(Run_WASMSelect_4) { RunWASMSelectTest(4); }
TEST(Run_WASMSelect_5) { RunWASMSelectTest(5); }
TEST(Run_WASMSelect_6) { RunWASMSelectTest(6); }
TEST(Run_WASMSelect_7) { RunWASMSelectTest(7); }
void RunWASMSelectAlignTest(int num_args, int num_params) {
PredictableInputValues inputs(0x300);
Isolate* isolate = CcTest::InitIsolateOnce();
const int kMaxParams = 4;
DCHECK_LE(num_args, kMaxParams);
LocalType type = kAstF64;
LocalType types[kMaxParams + 1] = {type, type, type, type, type};
FunctionSig sig(1, num_params, types);
for (int which = 0; which < num_params; which++) {
TestingModule module;
WasmFunctionCompiler t(&sig, &module);
BUILD(t, WASM_GET_LOCAL(which));
Handle<JSFunction> jsfunc = WrapCode(&module, t.CompileAndAdd(&module));
Handle<Object> args[] = {
isolate->factory()->NewNumber(inputs.arg_d(0)),
isolate->factory()->NewNumber(inputs.arg_d(1)),
isolate->factory()->NewNumber(inputs.arg_d(2)),
isolate->factory()->NewNumber(inputs.arg_d(3)),
};
double nan = std::numeric_limits<double>::quiet_NaN();
double expected = which < num_args ? inputs.arg_d(which) : nan;
EXPECT_CALL(expected, jsfunc, args, num_args);
}
}
TEST(Run_WASMSelectAlign_0) {
RunWASMSelectAlignTest(0, 1);
RunWASMSelectAlignTest(0, 2);
}
TEST(Run_WASMSelectAlign_1) {
RunWASMSelectAlignTest(1, 2);
RunWASMSelectAlignTest(1, 3);
}
TEST(Run_WASMSelectAlign_2) {
RunWASMSelectAlignTest(2, 3);
RunWASMSelectAlignTest(2, 4);
}
TEST(Run_WASMSelectAlign_3) {
RunWASMSelectAlignTest(3, 3);
RunWASMSelectAlignTest(3, 4);
}
TEST(Run_WASMSelectAlign_4) {
RunWASMSelectAlignTest(4, 3);
RunWASMSelectAlignTest(4, 4);
}
void RunJSSelectAlignTest(int num_args, int num_params) {
PredictableInputValues inputs(0x400);
Isolate* isolate = CcTest::InitIsolateOnce();
Factory* factory = isolate->factory();
const int kMaxParams = 4;
CHECK_LE(num_args, kMaxParams);
CHECK_LE(num_params, kMaxParams);
LocalType type = kAstF64;
LocalType types[kMaxParams + 1] = {type, type, type, type, type};
FunctionSig sig(1, num_params, types);
// Build the calling code.
std::vector<byte> code;
ADD_CODE(code, kExprCallFunction, 0);
for (int i = 0; i < num_params; i++) {
ADD_CODE(code, WASM_GET_LOCAL(i));
}
size_t end = code.size();
code.push_back(0);
// Call different select JS functions.
for (int which = 0; which < num_params; which++) {
HandleScope scope(isolate);
TestingModule module;
uint32_t js_index = AddJSSelector(&module, &sig, which);
CHECK_EQ(0, js_index);
WasmFunctionCompiler t(&sig, &module);
t.Build(&code[0], &code[end]);
Handle<JSFunction> jsfunc = WrapCode(&module, t.CompileAndAdd(&module));
Handle<Object> args[] = {
factory->NewNumber(inputs.arg_d(0)),
factory->NewNumber(inputs.arg_d(1)),
factory->NewNumber(inputs.arg_d(2)),
factory->NewNumber(inputs.arg_d(3)),
};
double nan = std::numeric_limits<double>::quiet_NaN();
double expected = which < num_args ? inputs.arg_d(which) : nan;
EXPECT_CALL(expected, jsfunc, args, num_args);
}
}
TEST(Run_JSSelectAlign_0) {
RunJSSelectAlignTest(0, 1);
RunJSSelectAlignTest(0, 2);
}
TEST(Run_JSSelectAlign_2) {
RunJSSelectAlignTest(2, 3);
RunJSSelectAlignTest(2, 4);
}
TEST(Run_JSSelectAlign_4) {
RunJSSelectAlignTest(4, 3);
RunJSSelectAlignTest(4, 4);
}
#if !V8_TARGET_ARCH_ARM64
// TODO(titzer): dynamic frame alignment on arm64
TEST(Run_JSSelectAlign_1) {
RunJSSelectAlignTest(1, 2);
RunJSSelectAlignTest(1, 3);
}
TEST(Run_JSSelectAlign_3) {
RunJSSelectAlignTest(3, 3);
RunJSSelectAlignTest(3, 4);
}
#endif
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