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llvm-mirror/unittests/ExecutionEngine/Orc/ExecutorProcessControlTest.cpp
Lang Hames 6567b76038 [ORC] Add wrapper-function support methods to ExecutorProcessControl.
Adds support for both synchronous and asynchronous calls to wrapper functions
using SPS (Simple Packed Serialization). Also adds support for wrapping
functions on the JIT side in SPS-based wrappers that can be called from the
executor.

These new methods simplify calls between the JIT and Executor, and will be used
in upcoming ORC runtime patches to enable communication between ORC and the
runtime.
2021-07-01 18:21:49 +10:00

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3.6 KiB
C++

//===- ExecutorProcessControlTest.cpp - Test ExecutorProcessControl utils -===//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//
#include "llvm/ExecutionEngine/Orc/ExecutorProcessControl.h"
#include "llvm/ExecutionEngine/Orc/Core.h"
#include "llvm/Support/MSVCErrorWorkarounds.h"
#include "llvm/Testing/Support/Error.h"
#include "gtest/gtest.h"
#include <future>
using namespace llvm;
using namespace llvm::orc;
using namespace llvm::orc::shared;
static llvm::orc::shared::detail::CWrapperFunctionResult
addWrapper(const char *ArgData, size_t ArgSize) {
return WrapperFunction<int32_t(int32_t, int32_t)>::handle(
ArgData, ArgSize, [](int32_t X, int32_t Y) { return X + Y; })
.release();
}
static void addAsyncWrapper(unique_function<void(int32_t)> SendResult,
int32_t X, int32_t Y) {
SendResult(X + Y);
}
TEST(ExecutorProcessControl, RunWrapperTemplate) {
auto EPC = cantFail(
SelfExecutorProcessControl::Create(std::make_shared<SymbolStringPool>()));
int32_t Result;
EXPECT_THAT_ERROR(EPC->runSPSWrapper<int32_t(int32_t, int32_t)>(
pointerToJITTargetAddress(addWrapper), Result, 2, 3),
Succeeded());
EXPECT_EQ(Result, 5);
}
TEST(ExecutorProcessControl, RunWrapperAsyncTemplate) {
auto EPC = cantFail(
SelfExecutorProcessControl::Create(std::make_shared<SymbolStringPool>()));
std::promise<MSVCPExpected<int32_t>> RP;
using Sig = int32_t(int32_t, int32_t);
EPC->runSPSWrapperAsync<Sig>(
[&](Error SerializationErr, int32_t R) {
if (SerializationErr)
RP.set_value(std::move(SerializationErr));
RP.set_value(std::move(R));
},
pointerToJITTargetAddress(addWrapper), 2, 3);
Expected<int32_t> Result = RP.get_future().get();
EXPECT_THAT_EXPECTED(Result, HasValue(5));
}
TEST(ExecutorProcessControl, RegisterAsyncHandlerAndRun) {
constexpr JITTargetAddress AddAsyncTagAddr = 0x01;
auto EPC = cantFail(
SelfExecutorProcessControl::Create(std::make_shared<SymbolStringPool>()));
ExecutionSession ES(EPC->getSymbolStringPool());
auto &JD = ES.createBareJITDylib("JD");
auto AddAsyncTag = ES.intern("addAsync_tag");
cantFail(JD.define(absoluteSymbols(
{{AddAsyncTag,
JITEvaluatedSymbol(AddAsyncTagAddr, JITSymbolFlags::Exported)}})));
ExecutorProcessControl::WrapperFunctionAssociationMap Associations;
Associations[AddAsyncTag] =
EPC->wrapAsyncWithSPS<int32_t(int32_t, int32_t)>(addAsyncWrapper);
cantFail(EPC->associateJITSideWrapperFunctions(JD, std::move(Associations)));
std::promise<int32_t> RP;
auto RF = RP.get_future();
using ArgSerialization = SPSArgList<int32_t, int32_t>;
size_t ArgBufferSize = ArgSerialization::size(1, 2);
WrapperFunctionResult ArgBuffer;
char *ArgBufferData =
WrapperFunctionResult::allocate(ArgBuffer, ArgBufferSize);
SPSOutputBuffer OB(ArgBufferData, ArgBufferSize);
EXPECT_TRUE(ArgSerialization::serialize(OB, 1, 2));
EPC->runJITSideWrapperFunction(
[&](WrapperFunctionResult ResultBuffer) {
int32_t Result;
SPSInputBuffer IB(ResultBuffer.data(), ResultBuffer.size());
EXPECT_TRUE(SPSArgList<int32_t>::deserialize(IB, Result));
RP.set_value(Result);
},
AddAsyncTagAddr, ArrayRef<char>(ArgBuffer.data(), ArgBuffer.size()));
EXPECT_EQ(RF.get(), (int32_t)3);
cantFail(ES.endSession());
}