1 //===- ExecutionSessionWrapperFunctionCallsTest.cpp -- Test wrapper calls -===//
2 //
3 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
4 // See https://llvm.org/LICENSE.txt for license information.
5 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
6 //
7 //===----------------------------------------------------------------------===//
8 
9 #include "llvm/ExecutionEngine/Orc/Core.h"
10 #include "llvm/ExecutionEngine/Orc/ExecutorProcessControl.h"
11 #include "llvm/Support/MSVCErrorWorkarounds.h"
12 #include "llvm/Testing/Support/Error.h"
13 #include "gtest/gtest.h"
14 
15 #include <future>
16 
17 using namespace llvm;
18 using namespace llvm::orc;
19 using namespace llvm::orc::shared;
20 
21 static llvm::orc::shared::detail::CWrapperFunctionResult
22 addWrapper(const char *ArgData, size_t ArgSize) {
23   return WrapperFunction<int32_t(int32_t, int32_t)>::handle(
24              ArgData, ArgSize, [](int32_t X, int32_t Y) { return X + Y; })
25       .release();
26 }
27 
28 static void addAsyncWrapper(unique_function<void(int32_t)> SendResult,
29                             int32_t X, int32_t Y) {
30   SendResult(X + Y);
31 }
32 
33 TEST(ExecutionSessionWrapperFunctionCalls, RunWrapperTemplate) {
34   ExecutionSession ES(cantFail(SelfExecutorProcessControl::Create()));
35 
36   int32_t Result;
37   EXPECT_THAT_ERROR(ES.callSPSWrapper<int32_t(int32_t, int32_t)>(
38                         pointerToJITTargetAddress(addWrapper), Result, 2, 3),
39                     Succeeded());
40   EXPECT_EQ(Result, 5);
41 }
42 
43 TEST(ExecutionSessionWrapperFunctionCalls, RunWrapperAsyncTemplate) {
44   ExecutionSession ES(cantFail(SelfExecutorProcessControl::Create()));
45 
46   std::promise<MSVCPExpected<int32_t>> RP;
47   using Sig = int32_t(int32_t, int32_t);
48   ES.callSPSWrapperAsync<Sig>(
49       [&](Error SerializationErr, int32_t R) {
50         if (SerializationErr)
51           RP.set_value(std::move(SerializationErr));
52         RP.set_value(std::move(R));
53       },
54       pointerToJITTargetAddress(addWrapper), 2, 3);
55   Expected<int32_t> Result = RP.get_future().get();
56   EXPECT_THAT_EXPECTED(Result, HasValue(5));
57 }
58 
59 TEST(ExecutionSessionWrapperFunctionCalls, RegisterAsyncHandlerAndRun) {
60 
61   constexpr JITTargetAddress AddAsyncTagAddr = 0x01;
62 
63   ExecutionSession ES(cantFail(SelfExecutorProcessControl::Create()));
64   auto &JD = ES.createBareJITDylib("JD");
65 
66   auto AddAsyncTag = ES.intern("addAsync_tag");
67   cantFail(JD.define(absoluteSymbols(
68       {{AddAsyncTag,
69         JITEvaluatedSymbol(AddAsyncTagAddr, JITSymbolFlags::Exported)}})));
70 
71   ExecutionSession::JITDispatchHandlerAssociationMap Associations;
72 
73   Associations[AddAsyncTag] =
74       ES.wrapAsyncWithSPS<int32_t(int32_t, int32_t)>(addAsyncWrapper);
75 
76   cantFail(ES.registerJITDispatchHandlers(JD, std::move(Associations)));
77 
78   std::promise<int32_t> RP;
79   auto RF = RP.get_future();
80 
81   using ArgSerialization = SPSArgList<int32_t, int32_t>;
82   size_t ArgBufferSize = ArgSerialization::size(1, 2);
83   WrapperFunctionResult ArgBuffer;
84   char *ArgBufferData =
85       WrapperFunctionResult::allocate(ArgBuffer, ArgBufferSize);
86   SPSOutputBuffer OB(ArgBufferData, ArgBufferSize);
87   EXPECT_TRUE(ArgSerialization::serialize(OB, 1, 2));
88 
89   ES.runJITDispatchHandler(
90       [&](WrapperFunctionResult ResultBuffer) {
91         int32_t Result;
92         SPSInputBuffer IB(ResultBuffer.data(), ResultBuffer.size());
93         EXPECT_TRUE(SPSArgList<int32_t>::deserialize(IB, Result));
94         RP.set_value(Result);
95       },
96       AddAsyncTagAddr, ArrayRef<char>(ArgBuffer.data(), ArgBuffer.size()));
97 
98   EXPECT_EQ(RF.get(), (int32_t)3);
99 
100   cantFail(ES.endSession());
101 }
102