mirror of
https://github.com/RPCS3/llvm-mirror.git
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c8b30de05f
This cleans up all LoadInst creation in LLVM to explicitly pass the value type rather than deriving it from the pointer's element-type. Differential Revision: https://reviews.llvm.org/D57172 llvm-svn: 352911
426 lines
13 KiB
C++
426 lines
13 KiB
C++
//===- MCJITMultipeModuleTest.cpp - Unit tests for the MCJIT ----*- C++ -*-===//
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//
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// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
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// See https://llvm.org/LICENSE.txt for license information.
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// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
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//
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//===----------------------------------------------------------------------===//
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//
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// This test suite verifies MCJIT for handling multiple modules in a single
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// ExecutionEngine by building multiple modules, making function calls across
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// modules, accessing global variables, etc.
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//===----------------------------------------------------------------------===//
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#include "MCJITTestBase.h"
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#include "llvm/ExecutionEngine/MCJIT.h"
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#include "gtest/gtest.h"
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using namespace llvm;
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namespace {
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class MCJITMultipleModuleTest : public testing::Test, public MCJITTestBase {};
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// FIXME: ExecutionEngine has no support empty modules
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/*
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TEST_F(MCJITMultipleModuleTest, multiple_empty_modules) {
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SKIP_UNSUPPORTED_PLATFORM;
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createJIT(M.take());
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// JIT-compile
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EXPECT_NE(0, TheJIT->getObjectImage())
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<< "Unable to generate executable loaded object image";
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TheJIT->addModule(createEmptyModule("<other module>"));
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TheJIT->addModule(createEmptyModule("<other other module>"));
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// JIT again
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EXPECT_NE(0, TheJIT->getObjectImage())
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<< "Unable to generate executable loaded object image";
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}
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*/
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// Helper Function to test add operation
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void checkAdd(uint64_t ptr) {
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ASSERT_TRUE(ptr != 0) << "Unable to get pointer to function.";
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int (*AddPtr)(int, int) = (int (*)(int, int))ptr;
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EXPECT_EQ(0, AddPtr(0, 0));
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EXPECT_EQ(1, AddPtr(1, 0));
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EXPECT_EQ(3, AddPtr(1, 2));
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EXPECT_EQ(-5, AddPtr(-2, -3));
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EXPECT_EQ(30, AddPtr(10, 20));
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EXPECT_EQ(-30, AddPtr(-10, -20));
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EXPECT_EQ(-40, AddPtr(-10, -30));
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}
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void checkAccumulate(uint64_t ptr) {
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ASSERT_TRUE(ptr != 0) << "Unable to get pointer to function.";
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int32_t (*FPtr)(int32_t) = (int32_t (*)(int32_t))(intptr_t)ptr;
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EXPECT_EQ(0, FPtr(0));
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EXPECT_EQ(1, FPtr(1));
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EXPECT_EQ(3, FPtr(2));
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EXPECT_EQ(6, FPtr(3));
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EXPECT_EQ(10, FPtr(4));
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EXPECT_EQ(15, FPtr(5));
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}
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// FIXME: ExecutionEngine has no support empty modules
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/*
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TEST_F(MCJITMultipleModuleTest, multiple_empty_modules) {
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SKIP_UNSUPPORTED_PLATFORM;
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createJIT(M.take());
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// JIT-compile
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EXPECT_NE(0, TheJIT->getObjectImage())
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<< "Unable to generate executable loaded object image";
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TheJIT->addModule(createEmptyModule("<other module>"));
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TheJIT->addModule(createEmptyModule("<other other module>"));
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// JIT again
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EXPECT_NE(0, TheJIT->getObjectImage())
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<< "Unable to generate executable loaded object image";
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}
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*/
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// Module A { Function FA },
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// Module B { Function FB },
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// execute FA then FB
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TEST_F(MCJITMultipleModuleTest, two_module_case) {
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SKIP_UNSUPPORTED_PLATFORM;
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std::unique_ptr<Module> A, B;
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Function *FA, *FB;
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createTwoModuleCase(A, FA, B, FB);
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createJIT(std::move(A));
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TheJIT->addModule(std::move(B));
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uint64_t ptr = TheJIT->getFunctionAddress(FA->getName().str());
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checkAdd(ptr);
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ptr = TheJIT->getFunctionAddress(FB->getName().str());
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checkAdd(ptr);
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}
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// Module A { Function FA },
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// Module B { Function FB },
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// execute FB then FA
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TEST_F(MCJITMultipleModuleTest, two_module_reverse_case) {
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SKIP_UNSUPPORTED_PLATFORM;
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std::unique_ptr<Module> A, B;
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Function *FA, *FB;
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createTwoModuleCase(A, FA, B, FB);
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createJIT(std::move(A));
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TheJIT->addModule(std::move(B));
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uint64_t ptr = TheJIT->getFunctionAddress(FB->getName().str());
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TheJIT->finalizeObject();
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checkAdd(ptr);
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ptr = TheJIT->getFunctionAddress(FA->getName().str());
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checkAdd(ptr);
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}
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// Module A { Function FA },
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// Module B { Extern FA, Function FB which calls FA },
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// execute FB then FA
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TEST_F(MCJITMultipleModuleTest, two_module_extern_reverse_case) {
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SKIP_UNSUPPORTED_PLATFORM;
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std::unique_ptr<Module> A, B;
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Function *FA, *FB;
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createTwoModuleExternCase(A, FA, B, FB);
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createJIT(std::move(A));
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TheJIT->addModule(std::move(B));
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uint64_t ptr = TheJIT->getFunctionAddress(FB->getName().str());
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TheJIT->finalizeObject();
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checkAdd(ptr);
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ptr = TheJIT->getFunctionAddress(FA->getName().str());
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checkAdd(ptr);
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}
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// Module A { Function FA },
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// Module B { Extern FA, Function FB which calls FA },
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// execute FA then FB
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TEST_F(MCJITMultipleModuleTest, two_module_extern_case) {
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SKIP_UNSUPPORTED_PLATFORM;
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std::unique_ptr<Module> A, B;
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Function *FA, *FB;
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createTwoModuleExternCase(A, FA, B, FB);
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createJIT(std::move(A));
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TheJIT->addModule(std::move(B));
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uint64_t ptr = TheJIT->getFunctionAddress(FA->getName().str());
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checkAdd(ptr);
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ptr = TheJIT->getFunctionAddress(FB->getName().str());
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checkAdd(ptr);
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}
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// Module A { Function FA1, Function FA2 which calls FA1 },
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// Module B { Extern FA1, Function FB which calls FA1 },
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// execute FB then FA2
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TEST_F(MCJITMultipleModuleTest, two_module_consecutive_call_case) {
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SKIP_UNSUPPORTED_PLATFORM;
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std::unique_ptr<Module> A, B;
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Function *FA1, *FA2, *FB;
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createTwoModuleExternCase(A, FA1, B, FB);
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FA2 = insertSimpleCallFunction(A.get(), FA1);
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createJIT(std::move(A));
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TheJIT->addModule(std::move(B));
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uint64_t ptr = TheJIT->getFunctionAddress(FB->getName().str());
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TheJIT->finalizeObject();
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checkAdd(ptr);
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ptr = TheJIT->getFunctionAddress(FA2->getName().str());
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checkAdd(ptr);
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}
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// TODO:
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// Module A { Extern Global GVB, Global Variable GVA, Function FA loads GVB },
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// Module B { Extern Global GVA, Global Variable GVB, Function FB loads GVA },
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// Module A { Global Variable GVA, Function FA loads GVA },
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// Module B { Global Variable GVB, Internal Global GVC, Function FB loads GVB },
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// execute FB then FA, also check that the global variables are properly accesible
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// through the ExecutionEngine APIs
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TEST_F(MCJITMultipleModuleTest, two_module_global_variables_case) {
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SKIP_UNSUPPORTED_PLATFORM;
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std::unique_ptr<Module> A, B;
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Function *FA, *FB;
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GlobalVariable *GVA, *GVB, *GVC;
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A.reset(createEmptyModule("A"));
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B.reset(createEmptyModule("B"));
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int32_t initialNum = 7;
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GVA = insertGlobalInt32(A.get(), "GVA", initialNum);
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GVB = insertGlobalInt32(B.get(), "GVB", initialNum);
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FA = startFunction(A.get(),
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FunctionType::get(Builder.getInt32Ty(), {}, false), "FA");
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endFunctionWithRet(FA, Builder.CreateLoad(Builder.getInt32Ty(), GVA));
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FB = startFunction(B.get(),
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FunctionType::get(Builder.getInt32Ty(), {}, false), "FB");
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endFunctionWithRet(FB, Builder.CreateLoad(Builder.getInt32Ty(), GVB));
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GVC = insertGlobalInt32(B.get(), "GVC", initialNum);
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GVC->setLinkage(GlobalValue::InternalLinkage);
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createJIT(std::move(A));
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TheJIT->addModule(std::move(B));
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EXPECT_EQ(GVA, TheJIT->FindGlobalVariableNamed("GVA"));
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EXPECT_EQ(GVB, TheJIT->FindGlobalVariableNamed("GVB"));
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EXPECT_EQ(GVC, TheJIT->FindGlobalVariableNamed("GVC",true));
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EXPECT_EQ(nullptr, TheJIT->FindGlobalVariableNamed("GVC"));
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uint64_t FBPtr = TheJIT->getFunctionAddress(FB->getName().str());
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TheJIT->finalizeObject();
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EXPECT_TRUE(0 != FBPtr);
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int32_t(*FuncPtr)() = (int32_t(*)())FBPtr;
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EXPECT_EQ(initialNum, FuncPtr())
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<< "Invalid value for global returned from JITted function in module B";
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uint64_t FAPtr = TheJIT->getFunctionAddress(FA->getName().str());
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EXPECT_TRUE(0 != FAPtr);
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FuncPtr = (int32_t(*)())FAPtr;
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EXPECT_EQ(initialNum, FuncPtr())
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<< "Invalid value for global returned from JITted function in module A";
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}
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// Module A { Function FA },
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// Module B { Extern FA, Function FB which calls FA },
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// Module C { Extern FA, Function FC which calls FA },
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// execute FC, FB, FA
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TEST_F(MCJITMultipleModuleTest, three_module_case) {
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SKIP_UNSUPPORTED_PLATFORM;
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std::unique_ptr<Module> A, B, C;
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Function *FA, *FB, *FC;
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createThreeModuleCase(A, FA, B, FB, C, FC);
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createJIT(std::move(A));
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TheJIT->addModule(std::move(B));
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TheJIT->addModule(std::move(C));
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uint64_t ptr = TheJIT->getFunctionAddress(FC->getName().str());
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checkAdd(ptr);
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ptr = TheJIT->getFunctionAddress(FB->getName().str());
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checkAdd(ptr);
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ptr = TheJIT->getFunctionAddress(FA->getName().str());
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checkAdd(ptr);
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}
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// Module A { Function FA },
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// Module B { Extern FA, Function FB which calls FA },
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// Module C { Extern FA, Function FC which calls FA },
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// execute FA, FB, FC
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TEST_F(MCJITMultipleModuleTest, three_module_case_reverse_order) {
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SKIP_UNSUPPORTED_PLATFORM;
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std::unique_ptr<Module> A, B, C;
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Function *FA, *FB, *FC;
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createThreeModuleCase(A, FA, B, FB, C, FC);
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createJIT(std::move(A));
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TheJIT->addModule(std::move(B));
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TheJIT->addModule(std::move(C));
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uint64_t ptr = TheJIT->getFunctionAddress(FA->getName().str());
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checkAdd(ptr);
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ptr = TheJIT->getFunctionAddress(FB->getName().str());
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checkAdd(ptr);
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ptr = TheJIT->getFunctionAddress(FC->getName().str());
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checkAdd(ptr);
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}
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// Module A { Function FA },
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// Module B { Extern FA, Function FB which calls FA },
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// Module C { Extern FB, Function FC which calls FB },
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// execute FC, FB, FA
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TEST_F(MCJITMultipleModuleTest, three_module_chain_case) {
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SKIP_UNSUPPORTED_PLATFORM;
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std::unique_ptr<Module> A, B, C;
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Function *FA, *FB, *FC;
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createThreeModuleChainedCallsCase(A, FA, B, FB, C, FC);
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createJIT(std::move(A));
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TheJIT->addModule(std::move(B));
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TheJIT->addModule(std::move(C));
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uint64_t ptr = TheJIT->getFunctionAddress(FC->getName().str());
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checkAdd(ptr);
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ptr = TheJIT->getFunctionAddress(FB->getName().str());
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checkAdd(ptr);
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ptr = TheJIT->getFunctionAddress(FA->getName().str());
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checkAdd(ptr);
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}
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// Module A { Function FA },
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// Module B { Extern FA, Function FB which calls FA },
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// Module C { Extern FB, Function FC which calls FB },
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// execute FA, FB, FC
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TEST_F(MCJITMultipleModuleTest, three_modules_chain_case_reverse_order) {
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SKIP_UNSUPPORTED_PLATFORM;
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std::unique_ptr<Module> A, B, C;
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Function *FA, *FB, *FC;
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createThreeModuleChainedCallsCase(A, FA, B, FB, C, FC);
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createJIT(std::move(A));
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TheJIT->addModule(std::move(B));
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TheJIT->addModule(std::move(C));
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uint64_t ptr = TheJIT->getFunctionAddress(FA->getName().str());
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checkAdd(ptr);
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ptr = TheJIT->getFunctionAddress(FB->getName().str());
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checkAdd(ptr);
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ptr = TheJIT->getFunctionAddress(FC->getName().str());
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checkAdd(ptr);
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}
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// Module A { Extern FB, Function FA which calls FB1 },
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// Module B { Extern FA, Function FB1, Function FB2 which calls FA },
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// execute FA, then FB1
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// FIXME: this test case is not supported by MCJIT
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TEST_F(MCJITMultipleModuleTest, cross_module_dependency_case) {
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SKIP_UNSUPPORTED_PLATFORM;
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std::unique_ptr<Module> A, B;
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Function *FA, *FB1, *FB2;
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createCrossModuleRecursiveCase(A, FA, B, FB1, FB2);
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createJIT(std::move(A));
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TheJIT->addModule(std::move(B));
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uint64_t ptr = TheJIT->getFunctionAddress(FA->getName().str());
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checkAccumulate(ptr);
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ptr = TheJIT->getFunctionAddress(FB1->getName().str());
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checkAccumulate(ptr);
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}
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// Module A { Extern FB, Function FA which calls FB1 },
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// Module B { Extern FA, Function FB1, Function FB2 which calls FA },
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// execute FB1 then FA
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// FIXME: this test case is not supported by MCJIT
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TEST_F(MCJITMultipleModuleTest, cross_module_dependency_case_reverse_order) {
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SKIP_UNSUPPORTED_PLATFORM;
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std::unique_ptr<Module> A, B;
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Function *FA, *FB1, *FB2;
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createCrossModuleRecursiveCase(A, FA, B, FB1, FB2);
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createJIT(std::move(A));
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TheJIT->addModule(std::move(B));
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uint64_t ptr = TheJIT->getFunctionAddress(FB1->getName().str());
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checkAccumulate(ptr);
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ptr = TheJIT->getFunctionAddress(FA->getName().str());
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checkAccumulate(ptr);
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}
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// Module A { Extern FB1, Function FA which calls FB1 },
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// Module B { Extern FA, Function FB1, Function FB2 which calls FA },
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// execute FB1 then FB2
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// FIXME: this test case is not supported by MCJIT
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TEST_F(MCJITMultipleModuleTest, cross_module_dependency_case3) {
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SKIP_UNSUPPORTED_PLATFORM;
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std::unique_ptr<Module> A, B;
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Function *FA, *FB1, *FB2;
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createCrossModuleRecursiveCase(A, FA, B, FB1, FB2);
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createJIT(std::move(A));
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TheJIT->addModule(std::move(B));
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uint64_t ptr = TheJIT->getFunctionAddress(FB1->getName().str());
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checkAccumulate(ptr);
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ptr = TheJIT->getFunctionAddress(FB2->getName().str());
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checkAccumulate(ptr);
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}
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// Test that FindFunctionNamed finds the definition of
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// a function in the correct module. We check two functions
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// in two different modules, to make sure that for at least
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// one of them MCJIT had to ignore the extern declaration.
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TEST_F(MCJITMultipleModuleTest, FindFunctionNamed_test) {
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SKIP_UNSUPPORTED_PLATFORM;
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std::unique_ptr<Module> A, B;
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Function *FA, *FB1, *FB2;
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createCrossModuleRecursiveCase(A, FA, B, FB1, FB2);
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createJIT(std::move(A));
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TheJIT->addModule(std::move(B));
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EXPECT_EQ(FA, TheJIT->FindFunctionNamed(FA->getName().data()));
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EXPECT_EQ(FB1, TheJIT->FindFunctionNamed(FB1->getName().data()));
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}
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} // end anonymous namespace
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