llvm/unittests/ExecutionEngine/Orc/ExecutionSessionWrapperFunctionCallsTest.cpp

   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 static llvm::orc::shared::detail::CWrapperFunctionResult
  34 voidWrapper(const char *ArgData, size_t ArgSize) {
  35   return WrapperFunction<void()>::handle(ArgData, ArgSize, []() {}).release();
  36 }
  37
  38 TEST(ExecutionSessionWrapperFunctionCalls, RunWrapperTemplate) {
  39   ExecutionSession ES(cantFail(SelfExecutorProcessControl::Create()));
  40
  41   int32_t Result;
  42   EXPECT_THAT_ERROR(ES.callSPSWrapper<int32_t(int32_t, int32_t)>(
  43                         pointerToJITTargetAddress(addWrapper), Result, 2, 3),
  44                     Succeeded());
  45   EXPECT_EQ(Result, 5);
  46 }
  47
  48 TEST(ExecutionSessionWrapperFunctionCalls, RunVoidWrapperAsyncTemplate) {
  49   ExecutionSession ES(cantFail(SelfExecutorProcessControl::Create()));
  50
  51   std::promise<MSVCPError> RP;
  52   ES.callSPSWrapperAsync<void()>(
  53       [&](Error SerializationErr) {
  54         RP.set_value(std::move(SerializationErr));
  55       },
  56       pointerToJITTargetAddress(voidWrapper));
  57   Error Err = RP.get_future().get();
  58   EXPECT_THAT_ERROR(std::move(Err), Succeeded());
  59 }
  60
  61 TEST(ExecutionSessionWrapperFunctionCalls, RunNonVoidWrapperAsyncTemplate) {
  62   ExecutionSession ES(cantFail(SelfExecutorProcessControl::Create()));
  63
  64   std::promise<MSVCPExpected<int32_t>> RP;
  65   ES.callSPSWrapperAsync<int32_t(int32_t, int32_t)>(
  66       [&](Error SerializationErr, int32_t R) {
  67         if (SerializationErr)
  68           RP.set_value(std::move(SerializationErr));
  69         RP.set_value(std::move(R));
  70       },
  71       pointerToJITTargetAddress(addWrapper), 2, 3);
  72   Expected<int32_t> Result = RP.get_future().get();
  73   EXPECT_THAT_EXPECTED(Result, HasValue(5));
  74 }
  75
  76 TEST(ExecutionSessionWrapperFunctionCalls, RegisterAsyncHandlerAndRun) {
  77
  78   constexpr JITTargetAddress AddAsyncTagAddr = 0x01;
  79
  80   ExecutionSession ES(cantFail(SelfExecutorProcessControl::Create()));
  81   auto &JD = ES.createBareJITDylib("JD");
  82
  83   auto AddAsyncTag = ES.intern("addAsync_tag");
  84   cantFail(JD.define(absoluteSymbols(
  85       {{AddAsyncTag,
  86         JITEvaluatedSymbol(AddAsyncTagAddr, JITSymbolFlags::Exported)}})));
  87
  88   ExecutionSession::JITDispatchHandlerAssociationMap Associations;
  89
  90   Associations[AddAsyncTag] =
  91       ES.wrapAsyncWithSPS<int32_t(int32_t, int32_t)>(addAsyncWrapper);
  92
  93   cantFail(ES.registerJITDispatchHandlers(JD, std::move(Associations)));
  94
  95   std::promise<int32_t> RP;
  96   auto RF = RP.get_future();
  97
  98   using ArgSerialization = SPSArgList<int32_t, int32_t>;
  99   size_t ArgBufferSize = ArgSerialization::size(1, 2);
 100   WrapperFunctionResult ArgBuffer;
 101   char *ArgBufferData =
 102       WrapperFunctionResult::allocate(ArgBuffer, ArgBufferSize);
 103   SPSOutputBuffer OB(ArgBufferData, ArgBufferSize);
 104   EXPECT_TRUE(ArgSerialization::serialize(OB, 1, 2));
 105
 106   ES.runJITDispatchHandler(
 107       [&](WrapperFunctionResult ResultBuffer) {
 108         int32_t Result;
 109         SPSInputBuffer IB(ResultBuffer.data(), ResultBuffer.size());
 110         EXPECT_TRUE(SPSArgList<int32_t>::deserialize(IB, Result));
 111         RP.set_value(Result);
 112       },
 113       AddAsyncTagAddr, ArrayRef<char>(ArgBuffer.data(), ArgBuffer.size()));
 114
 115   EXPECT_EQ(RF.get(), (int32_t)3);
 116
 117   cantFail(ES.endSession());
 118 }