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// Copyright 2018 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 "src/compiler/wasm-compiler.h"
#include "src/wasm/function-compiler.h"
#include "src/wasm/module-compiler.h"
#include "src/wasm/wasm-code-manager.h"
#include "src/wasm/wasm-engine.h"
#include "src/wasm/wasm-import-wrapper-cache.h"
#include "src/wasm/wasm-module.h"
#include "test/cctest/cctest.h"
#include "test/common/wasm/test-signatures.h"
namespace v8 {
namespace internal {
namespace wasm {
namespace test_wasm_import_wrapper_cache {
std::shared_ptr<NativeModule> NewModule(Isolate* isolate) {
std::shared_ptr<WasmModule> module(new WasmModule);
bool can_request_more = false;
size_t size = 16384;
return isolate->wasm_engine()->NewNativeModule(
isolate, kAllWasmFeatures, size, can_request_more, std::move(module));
}
TEST(CacheHit) {
Isolate* isolate = CcTest::InitIsolateOnce();
auto module = NewModule(isolate);
TestSignatures sigs;
WasmCodeRefScope wasm_code_ref_scope;
WasmImportWrapperCache::ModificationScope cache_scope(
module->import_wrapper_cache());
auto kind = compiler::WasmImportCallKind::kJSFunctionArityMatch;
WasmCode* c1 =
CompileImportWrapper(isolate->wasm_engine(), module.get(),
isolate->counters(), kind, sigs.i_i(), &cache_scope);
CHECK_NOT_NULL(c1);
CHECK_EQ(WasmCode::Kind::kWasmToJsWrapper, c1->kind());
WasmCode* c2 = cache_scope[{kind, sigs.i_i()}];
CHECK_NOT_NULL(c2);
CHECK_EQ(c1, c2);
}
TEST(CacheMissSig) {
Isolate* isolate = CcTest::InitIsolateOnce();
auto module = NewModule(isolate);
TestSignatures sigs;
WasmCodeRefScope wasm_code_ref_scope;
WasmImportWrapperCache::ModificationScope cache_scope(
module->import_wrapper_cache());
auto kind = compiler::WasmImportCallKind::kJSFunctionArityMatch;
WasmCode* c1 =
CompileImportWrapper(isolate->wasm_engine(), module.get(),
isolate->counters(), kind, sigs.i_i(), &cache_scope);
CHECK_NOT_NULL(c1);
CHECK_EQ(WasmCode::Kind::kWasmToJsWrapper, c1->kind());
WasmCode* c2 = cache_scope[{kind, sigs.i_ii()}];
CHECK_NULL(c2);
}
TEST(CacheMissKind) {
Isolate* isolate = CcTest::InitIsolateOnce();
auto module = NewModule(isolate);
TestSignatures sigs;
WasmCodeRefScope wasm_code_ref_scope;
WasmImportWrapperCache::ModificationScope cache_scope(
module->import_wrapper_cache());
auto kind1 = compiler::WasmImportCallKind::kJSFunctionArityMatch;
auto kind2 = compiler::WasmImportCallKind::kJSFunctionArityMismatch;
WasmCode* c1 = CompileImportWrapper(isolate->wasm_engine(), module.get(),
isolate->counters(), kind1, sigs.i_i(),
&cache_scope);
CHECK_NOT_NULL(c1);
CHECK_EQ(WasmCode::Kind::kWasmToJsWrapper, c1->kind());
WasmCode* c2 = cache_scope[{kind2, sigs.i_i()}];
CHECK_NULL(c2);
}
TEST(CacheHitMissSig) {
Isolate* isolate = CcTest::InitIsolateOnce();
auto module = NewModule(isolate);
TestSignatures sigs;
WasmCodeRefScope wasm_code_ref_scope;
WasmImportWrapperCache::ModificationScope cache_scope(
module->import_wrapper_cache());
auto kind = compiler::WasmImportCallKind::kJSFunctionArityMatch;
WasmCode* c1 =
CompileImportWrapper(isolate->wasm_engine(), module.get(),
isolate->counters(), kind, sigs.i_i(), &cache_scope);
CHECK_NOT_NULL(c1);
CHECK_EQ(WasmCode::Kind::kWasmToJsWrapper, c1->kind());
WasmCode* c2 = cache_scope[{kind, sigs.i_ii()}];
CHECK_NULL(c2);
c2 = CompileImportWrapper(isolate->wasm_engine(), module.get(),
isolate->counters(), kind, sigs.i_ii(),
&cache_scope);
CHECK_NE(c1, c2);
WasmCode* c3 = cache_scope[{kind, sigs.i_i()}];
CHECK_NOT_NULL(c3);
CHECK_EQ(c1, c3);
WasmCode* c4 = cache_scope[{kind, sigs.i_ii()}];
CHECK_NOT_NULL(c4);
CHECK_EQ(c2, c4);
}
} // namespace test_wasm_import_wrapper_cache
} // namespace wasm
} // namespace internal
} // namespace v8
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