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396 lines
11 KiB
C++
396 lines
11 KiB
C++
//===- MCJITMultipeModuleTest.cpp - Unit tests for the MCJIT---------------===//
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//
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// The LLVM Compiler Infrastructure
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//
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// This file is distributed under the University of Illinois Open Source
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// License. See LICENSE.TXT for details.
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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 "llvm/ExecutionEngine/MCJIT.h"
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#include "MCJITTestBase.h"
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#include "gtest/gtest.h"
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using namespace llvm;
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class MCJITMultipleModuleTest : public testing::Test, public MCJITTestBase {};
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namespace {
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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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OwningPtr<Module> A, B;
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Function *FA, *FB;
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createTwoModuleCase(A, FA, B, FB);
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createJIT(A.take());
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TheJIT->addModule(B.take());
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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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OwningPtr<Module> A, B;
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Function *FA, *FB;
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createTwoModuleCase(A, FA, B, FB);
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createJIT(A.take());
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TheJIT->addModule(B.take());
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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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OwningPtr<Module> A, B;
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Function *FA, *FB;
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createTwoModuleExternCase(A, FA, B, FB);
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createJIT(A.take());
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TheJIT->addModule(B.take());
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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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OwningPtr<Module> A, B;
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Function *FA, *FB;
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createTwoModuleExternCase(A, FA, B, FB);
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createJIT(A.take());
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TheJIT->addModule(B.take());
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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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OwningPtr<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<int32_t(int32_t, int32_t)>(A.get(), FA1);
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createJIT(A.take());
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TheJIT->addModule(B.take());
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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, Function FB loads GVB },
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// execute FB then FA
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TEST_F(MCJITMultipleModuleTest, two_module_global_variables_case) {
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SKIP_UNSUPPORTED_PLATFORM;
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OwningPtr<Module> A, B;
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Function *FA, *FB;
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GlobalVariable *GVA, *GVB;
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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<int32_t(void)>(A.get(), "FA");
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endFunctionWithRet(FA, Builder.CreateLoad(GVA));
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FB = startFunction<int32_t(void)>(B.get(), "FB");
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endFunctionWithRet(FB, Builder.CreateLoad(GVB));
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createJIT(A.take());
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TheJIT->addModule(B.take());
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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)(void) = (int32_t(*)(void))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(*)(void))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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OwningPtr<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(A.take());
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TheJIT->addModule(B.take());
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TheJIT->addModule(C.take());
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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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OwningPtr<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(A.take());
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TheJIT->addModule(B.take());
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TheJIT->addModule(C.take());
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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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OwningPtr<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(A.take());
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TheJIT->addModule(B.take());
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TheJIT->addModule(C.take());
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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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OwningPtr<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(A.take());
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TheJIT->addModule(B.take());
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TheJIT->addModule(C.take());
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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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OwningPtr<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(A.take());
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TheJIT->addModule(B.take());
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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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OwningPtr<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(A.take());
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TheJIT->addModule(B.take());
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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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OwningPtr<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(A.take());
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TheJIT->addModule(B.take());
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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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}
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