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Imported Upstream version 5.18.0.167

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Former-commit-id: 289509151e0fee68a1b591a20c9f109c3c789d3a
This commit is contained in:
Xamarin Public Jenkins (auto-signing)
2018-10-20 08:25:10 +00:00
parent e19d552987
commit b084638f15
28489 changed files with 184 additions and 3866856 deletions
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22
external/llvm/unittests/ExecutionEngine/CMakeLists.txt vendored
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@ -1,22 +0,0 @@
set(LLVM_LINK_COMPONENTS
Core
ExecutionEngine
Interpreter
MC
OrcJIT
RuntimeDyld
Support
)
add_llvm_unittest(ExecutionEngineTests
ExecutionEngineTest.cpp
)
add_subdirectory(Orc)
# Include MCJIT tests only if native arch is a built JIT target.
list(FIND LLVM_TARGETS_TO_BUILD "${LLVM_NATIVE_ARCH}" build_idx)
list(FIND LLVM_TARGETS_WITH_JIT "${LLVM_NATIVE_ARCH}" jit_idx)
if (NOT build_idx LESS 0 AND NOT jit_idx LESS 0)
add_subdirectory(MCJIT)
endif()

152
external/llvm/unittests/ExecutionEngine/ExecutionEngineTest.cpp vendored
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@ -1,152 +0,0 @@
//===- ExecutionEngineTest.cpp - Unit tests for ExecutionEngine -----------===//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
#include "llvm/ADT/STLExtras.h"
#include "llvm/ExecutionEngine/Interpreter.h"
#include "llvm/ExecutionEngine/RTDyldMemoryManager.h"
#include "llvm/IR/DerivedTypes.h"
#include "llvm/IR/GlobalVariable.h"
#include "llvm/IR/LLVMContext.h"
#include "llvm/IR/Module.h"
#include "llvm/Support/DynamicLibrary.h"
#include "llvm/Support/ManagedStatic.h"
#include "gtest/gtest.h"
using namespace llvm;
namespace {
class ExecutionEngineTest : public testing::Test {
private:
llvm_shutdown_obj Y; // Call llvm_shutdown() on exit.
protected:
ExecutionEngineTest() {
auto Owner = make_unique<Module>("<main>", Context);
M = Owner.get();
Engine.reset(EngineBuilder(std::move(Owner)).setErrorStr(&Error).create());
}
void SetUp() override {
ASSERT_TRUE(Engine.get() != nullptr) << "EngineBuilder returned error: '"
<< Error << "'";
}
GlobalVariable *NewExtGlobal(Type *T, const Twine &Name) {
return new GlobalVariable(*M, T, false, // Not constant.
GlobalValue::ExternalLinkage, nullptr, Name);
}
std::string Error;
LLVMContext Context;
Module *M; // Owned by ExecutionEngine.
std::unique_ptr<ExecutionEngine> Engine;
};
TEST_F(ExecutionEngineTest, ForwardGlobalMapping) {
GlobalVariable *G1 = NewExtGlobal(Type::getInt32Ty(Context), "Global1");
int32_t Mem1 = 3;
Engine->addGlobalMapping(G1, &Mem1);
EXPECT_EQ(&Mem1, Engine->getPointerToGlobalIfAvailable(G1));
EXPECT_EQ(&Mem1, Engine->getPointerToGlobalIfAvailable("Global1"));
int32_t Mem2 = 4;
Engine->updateGlobalMapping(G1, &Mem2);
EXPECT_EQ(&Mem2, Engine->getPointerToGlobalIfAvailable(G1));
Engine->updateGlobalMapping(G1, nullptr);
EXPECT_EQ(nullptr, Engine->getPointerToGlobalIfAvailable(G1));
Engine->updateGlobalMapping(G1, &Mem2);
EXPECT_EQ(&Mem2, Engine->getPointerToGlobalIfAvailable(G1));
GlobalVariable *G2 = NewExtGlobal(Type::getInt32Ty(Context), "Global1");
EXPECT_EQ(nullptr, Engine->getPointerToGlobalIfAvailable(G2))
<< "The NULL return shouldn't depend on having called"
<< " updateGlobalMapping(..., NULL)";
// Check that update...() can be called before add...().
Engine->updateGlobalMapping(G2, &Mem1);
EXPECT_EQ(&Mem1, Engine->getPointerToGlobalIfAvailable(G2));
EXPECT_EQ(&Mem2, Engine->getPointerToGlobalIfAvailable(G1))
<< "A second mapping shouldn't affect the first.";
}
TEST_F(ExecutionEngineTest, ReverseGlobalMapping) {
GlobalVariable *G1 = NewExtGlobal(Type::getInt32Ty(Context), "Global1");
int32_t Mem1 = 3;
Engine->addGlobalMapping(G1, &Mem1);
EXPECT_EQ(G1, Engine->getGlobalValueAtAddress(&Mem1));
int32_t Mem2 = 4;
Engine->updateGlobalMapping(G1, &Mem2);
EXPECT_EQ(nullptr, Engine->getGlobalValueAtAddress(&Mem1));
EXPECT_EQ(G1, Engine->getGlobalValueAtAddress(&Mem2));
GlobalVariable *G2 = NewExtGlobal(Type::getInt32Ty(Context), "Global2");
Engine->updateGlobalMapping(G2, &Mem1);
EXPECT_EQ(G2, Engine->getGlobalValueAtAddress(&Mem1));
EXPECT_EQ(G1, Engine->getGlobalValueAtAddress(&Mem2));
Engine->updateGlobalMapping(G1, nullptr);
EXPECT_EQ(G2, Engine->getGlobalValueAtAddress(&Mem1))
<< "Removing one mapping doesn't affect a different one.";
EXPECT_EQ(nullptr, Engine->getGlobalValueAtAddress(&Mem2));
Engine->updateGlobalMapping(G2, &Mem2);
EXPECT_EQ(nullptr, Engine->getGlobalValueAtAddress(&Mem1));
EXPECT_EQ(G2, Engine->getGlobalValueAtAddress(&Mem2))
<< "Once a mapping is removed, we can point another GV at the"
<< " now-free address.";
}
TEST_F(ExecutionEngineTest, ClearModuleMappings) {
GlobalVariable *G1 = NewExtGlobal(Type::getInt32Ty(Context), "Global1");
int32_t Mem1 = 3;
Engine->addGlobalMapping(G1, &Mem1);
EXPECT_EQ(G1, Engine->getGlobalValueAtAddress(&Mem1));
Engine->clearGlobalMappingsFromModule(M);
EXPECT_EQ(nullptr, Engine->getGlobalValueAtAddress(&Mem1));
GlobalVariable *G2 = NewExtGlobal(Type::getInt32Ty(Context), "Global2");
// After clearing the module mappings, we can assign a new GV to the
// same address.
Engine->addGlobalMapping(G2, &Mem1);
EXPECT_EQ(G2, Engine->getGlobalValueAtAddress(&Mem1));
}
TEST_F(ExecutionEngineTest, DestructionRemovesGlobalMapping) {
GlobalVariable *G1 = NewExtGlobal(Type::getInt32Ty(Context), "Global1");
int32_t Mem1 = 3;
Engine->addGlobalMapping(G1, &Mem1);
// Make sure the reverse mapping is enabled.
EXPECT_EQ(G1, Engine->getGlobalValueAtAddress(&Mem1));
// When the GV goes away, the ExecutionEngine should remove any
// mappings that refer to it.
G1->eraseFromParent();
EXPECT_EQ(nullptr, Engine->getGlobalValueAtAddress(&Mem1));
}
TEST_F(ExecutionEngineTest, LookupWithMangledAndDemangledSymbol) {
int x;
int _x;
llvm::sys::DynamicLibrary::AddSymbol("x", &x);
llvm::sys::DynamicLibrary::AddSymbol("_x", &_x);
// RTDyldMemoryManager::getSymbolAddressInProcess expects a mangled symbol,
// but DynamicLibrary is a wrapper for dlsym, which expects the unmangled C
// symbol name. This test verifies that getSymbolAddressInProcess strips the
// leading '_' on Darwin, but not on other platforms.
#ifdef __APPLE__
EXPECT_EQ(reinterpret_cast<uint64_t>(&x),
RTDyldMemoryManager::getSymbolAddressInProcess("_x"));
#else
EXPECT_EQ(reinterpret_cast<uint64_t>(&_x),
RTDyldMemoryManager::getSymbolAddressInProcess("_x"));
#endif
}
}

33
external/llvm/unittests/ExecutionEngine/MCJIT/CMakeLists.txt vendored
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@ -1,33 +0,0 @@
set(LLVM_LINK_COMPONENTS
Analysis
Core
ExecutionEngine
IPO
MC
MCJIT
RuntimeDyld
ScalarOpts
Support
Target
nativecodegen
)
set(MCJITTestsSources
MCJITTest.cpp
MCJITCAPITest.cpp
MCJITMemoryManagerTest.cpp
MCJITMultipleModuleTest.cpp
MCJITObjectCacheTest.cpp
)
if(MSVC)
list(APPEND MCJITTestsSources MCJITTests.def)
endif()
add_llvm_unittest(MCJITTests
${MCJITTestsSources}
)
if(MINGW OR CYGWIN)
set_property(TARGET MCJITTests PROPERTY LINK_FLAGS -Wl,--export-all-symbols)
endif()

508
external/llvm/unittests/ExecutionEngine/MCJIT/MCJITCAPITest.cpp vendored
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170
external/llvm/unittests/ExecutionEngine/MCJIT/MCJITMemoryManagerTest.cpp vendored
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//===- MCJITMemoryManagerTest.cpp - Unit tests for the JIT memory manager -===//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
#include "llvm/ExecutionEngine/SectionMemoryManager.h"
#include "gtest/gtest.h"
using namespace llvm;
namespace {
TEST(MCJITMemoryManagerTest, BasicAllocations) {
std::unique_ptr<SectionMemoryManager> MemMgr(new SectionMemoryManager());
uint8_t *code1 = MemMgr->allocateCodeSection(256, 0, 1, "");
uint8_t *data1 = MemMgr->allocateDataSection(256, 0, 2, "", true);
uint8_t *code2 = MemMgr->allocateCodeSection(256, 0, 3, "");
uint8_t *data2 = MemMgr->allocateDataSection(256, 0, 4, "", false);
EXPECT_NE((uint8_t*)nullptr, code1);
EXPECT_NE((uint8_t*)nullptr, code2);
EXPECT_NE((uint8_t*)nullptr, data1);
EXPECT_NE((uint8_t*)nullptr, data2);
// Initialize the data
for (unsigned i = 0; i < 256; ++i) {
code1[i] = 1;
code2[i] = 2;
data1[i] = 3;
data2[i] = 4;
}
// Verify the data (this is checking for overlaps in the addresses)
for (unsigned i = 0; i < 256; ++i) {
EXPECT_EQ(1, code1[i]);
EXPECT_EQ(2, code2[i]);
EXPECT_EQ(3, data1[i]);
EXPECT_EQ(4, data2[i]);
}
std::string Error;
EXPECT_FALSE(MemMgr->finalizeMemory(&Error));
}
TEST(MCJITMemoryManagerTest, LargeAllocations) {
std::unique_ptr<SectionMemoryManager> MemMgr(new SectionMemoryManager());
uint8_t *code1 = MemMgr->allocateCodeSection(0x100000, 0, 1, "");
uint8_t *data1 = MemMgr->allocateDataSection(0x100000, 0, 2, "", true);
uint8_t *code2 = MemMgr->allocateCodeSection(0x100000, 0, 3, "");
uint8_t *data2 = MemMgr->allocateDataSection(0x100000, 0, 4, "", false);
EXPECT_NE((uint8_t*)nullptr, code1);
EXPECT_NE((uint8_t*)nullptr, code2);
EXPECT_NE((uint8_t*)nullptr, data1);
EXPECT_NE((uint8_t*)nullptr, data2);
// Initialize the data
for (unsigned i = 0; i < 0x100000; ++i) {
code1[i] = 1;
code2[i] = 2;
data1[i] = 3;
data2[i] = 4;
}
// Verify the data (this is checking for overlaps in the addresses)
for (unsigned i = 0; i < 0x100000; ++i) {
EXPECT_EQ(1, code1[i]);
EXPECT_EQ(2, code2[i]);
EXPECT_EQ(3, data1[i]);
EXPECT_EQ(4, data2[i]);
}
std::string Error;
EXPECT_FALSE(MemMgr->finalizeMemory(&Error));
}
TEST(MCJITMemoryManagerTest, ManyAllocations) {
std::unique_ptr<SectionMemoryManager> MemMgr(new SectionMemoryManager());
uint8_t* code[10000];
uint8_t* data[10000];
for (unsigned i = 0; i < 10000; ++i) {
const bool isReadOnly = i % 2 == 0;
code[i] = MemMgr->allocateCodeSection(32, 0, 1, "");
data[i] = MemMgr->allocateDataSection(32, 0, 2, "", isReadOnly);
for (unsigned j = 0; j < 32; j++) {
code[i][j] = 1 + (i % 254);
data[i][j] = 2 + (i % 254);
}
EXPECT_NE((uint8_t *)nullptr, code[i]);
EXPECT_NE((uint8_t *)nullptr, data[i]);
}
// Verify the data (this is checking for overlaps in the addresses)
for (unsigned i = 0; i < 10000; ++i) {
for (unsigned j = 0; j < 32;j++ ) {
uint8_t ExpectedCode = 1 + (i % 254);
uint8_t ExpectedData = 2 + (i % 254);
EXPECT_EQ(ExpectedCode, code[i][j]);
EXPECT_EQ(ExpectedData, data[i][j]);
}
}
std::string Error;
EXPECT_FALSE(MemMgr->finalizeMemory(&Error));
}
TEST(MCJITMemoryManagerTest, ManyVariedAllocations) {
std::unique_ptr<SectionMemoryManager> MemMgr(new SectionMemoryManager());
uint8_t* code[10000];
uint8_t* data[10000];
for (unsigned i = 0; i < 10000; ++i) {
uintptr_t CodeSize = i % 16 + 1;
uintptr_t DataSize = i % 8 + 1;
bool isReadOnly = i % 3 == 0;
unsigned Align = 8 << (i % 4);
code[i] = MemMgr->allocateCodeSection(CodeSize, Align, i, "");
data[i] = MemMgr->allocateDataSection(DataSize, Align, i + 10000, "",
isReadOnly);
for (unsigned j = 0; j < CodeSize; j++) {
code[i][j] = 1 + (i % 254);
}
for (unsigned j = 0; j < DataSize; j++) {
data[i][j] = 2 + (i % 254);
}
EXPECT_NE((uint8_t *)nullptr, code[i]);
EXPECT_NE((uint8_t *)nullptr, data[i]);
uintptr_t CodeAlign = Align ? (uintptr_t)code[i] % Align : 0;
uintptr_t DataAlign = Align ? (uintptr_t)data[i] % Align : 0;
EXPECT_EQ((uintptr_t)0, CodeAlign);
EXPECT_EQ((uintptr_t)0, DataAlign);
}
for (unsigned i = 0; i < 10000; ++i) {
uintptr_t CodeSize = i % 16 + 1;
uintptr_t DataSize = i % 8 + 1;
for (unsigned j = 0; j < CodeSize; j++) {
uint8_t ExpectedCode = 1 + (i % 254);
EXPECT_EQ(ExpectedCode, code[i][j]);
}
for (unsigned j = 0; j < DataSize; j++) {
uint8_t ExpectedData = 2 + (i % 254);
EXPECT_EQ(ExpectedData, data[i][j]);
}
}
}
} // Namespace

423
external/llvm/unittests/ExecutionEngine/MCJIT/MCJITMultipleModuleTest.cpp vendored
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//===- MCJITMultipeModuleTest.cpp - Unit tests for the MCJIT ----*- C++ -*-===//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
//
// This test suite verifies MCJIT for handling multiple modules in a single
// ExecutionEngine by building multiple modules, making function calls across
// modules, accessing global variables, etc.
//===----------------------------------------------------------------------===//
#include "MCJITTestBase.h"
#include "llvm/ExecutionEngine/MCJIT.h"
#include "gtest/gtest.h"
using namespace llvm;
namespace {
class MCJITMultipleModuleTest : public testing::Test, public MCJITTestBase {};
// FIXME: ExecutionEngine has no support empty modules
/*
TEST_F(MCJITMultipleModuleTest, multiple_empty_modules) {
SKIP_UNSUPPORTED_PLATFORM;
createJIT(M.take());
// JIT-compile
EXPECT_NE(0, TheJIT->getObjectImage())
<< "Unable to generate executable loaded object image";
TheJIT->addModule(createEmptyModule("<other module>"));
TheJIT->addModule(createEmptyModule("<other other module>"));
// JIT again
EXPECT_NE(0, TheJIT->getObjectImage())
<< "Unable to generate executable loaded object image";
}
*/
// Helper Function to test add operation
void checkAdd(uint64_t ptr) {
ASSERT_TRUE(ptr != 0) << "Unable to get pointer to function.";
int (*AddPtr)(int, int) = (int (*)(int, int))ptr;
EXPECT_EQ(0, AddPtr(0, 0));
EXPECT_EQ(1, AddPtr(1, 0));
EXPECT_EQ(3, AddPtr(1, 2));
EXPECT_EQ(-5, AddPtr(-2, -3));
EXPECT_EQ(30, AddPtr(10, 20));
EXPECT_EQ(-30, AddPtr(-10, -20));
EXPECT_EQ(-40, AddPtr(-10, -30));
}
void checkAccumulate(uint64_t ptr) {
ASSERT_TRUE(ptr != 0) << "Unable to get pointer to function.";
int32_t (*FPtr)(int32_t) = (int32_t (*)(int32_t))(intptr_t)ptr;
EXPECT_EQ(0, FPtr(0));
EXPECT_EQ(1, FPtr(1));
EXPECT_EQ(3, FPtr(2));
EXPECT_EQ(6, FPtr(3));
EXPECT_EQ(10, FPtr(4));
EXPECT_EQ(15, FPtr(5));
}
// FIXME: ExecutionEngine has no support empty modules
/*
TEST_F(MCJITMultipleModuleTest, multiple_empty_modules) {
SKIP_UNSUPPORTED_PLATFORM;
createJIT(M.take());
// JIT-compile
EXPECT_NE(0, TheJIT->getObjectImage())
<< "Unable to generate executable loaded object image";
TheJIT->addModule(createEmptyModule("<other module>"));
TheJIT->addModule(createEmptyModule("<other other module>"));
// JIT again
EXPECT_NE(0, TheJIT->getObjectImage())
<< "Unable to generate executable loaded object image";
}
*/
// Module A { Function FA },
// Module B { Function FB },
// execute FA then FB
TEST_F(MCJITMultipleModuleTest, two_module_case) {
SKIP_UNSUPPORTED_PLATFORM;
std::unique_ptr<Module> A, B;
Function *FA, *FB;
createTwoModuleCase(A, FA, B, FB);
createJIT(std::move(A));
TheJIT->addModule(std::move(B));
uint64_t ptr = TheJIT->getFunctionAddress(FA->getName().str());
checkAdd(ptr);
ptr = TheJIT->getFunctionAddress(FB->getName().str());
checkAdd(ptr);
}
// Module A { Function FA },
// Module B { Function FB },
// execute FB then FA
TEST_F(MCJITMultipleModuleTest, two_module_reverse_case) {
SKIP_UNSUPPORTED_PLATFORM;
std::unique_ptr<Module> A, B;
Function *FA, *FB;
createTwoModuleCase(A, FA, B, FB);
createJIT(std::move(A));
TheJIT->addModule(std::move(B));
uint64_t ptr = TheJIT->getFunctionAddress(FB->getName().str());
TheJIT->finalizeObject();
checkAdd(ptr);
ptr = TheJIT->getFunctionAddress(FA->getName().str());
checkAdd(ptr);
}
// Module A { Function FA },
// Module B { Extern FA, Function FB which calls FA },
// execute FB then FA
TEST_F(MCJITMultipleModuleTest, two_module_extern_reverse_case) {
SKIP_UNSUPPORTED_PLATFORM;
std::unique_ptr<Module> A, B;
Function *FA, *FB;
createTwoModuleExternCase(A, FA, B, FB);
createJIT(std::move(A));
TheJIT->addModule(std::move(B));
uint64_t ptr = TheJIT->getFunctionAddress(FB->getName().str());
TheJIT->finalizeObject();
checkAdd(ptr);
ptr = TheJIT->getFunctionAddress(FA->getName().str());
checkAdd(ptr);
}
// Module A { Function FA },
// Module B { Extern FA, Function FB which calls FA },
// execute FA then FB
TEST_F(MCJITMultipleModuleTest, two_module_extern_case) {
SKIP_UNSUPPORTED_PLATFORM;
std::unique_ptr<Module> A, B;
Function *FA, *FB;
createTwoModuleExternCase(A, FA, B, FB);
createJIT(std::move(A));
TheJIT->addModule(std::move(B));
uint64_t ptr = TheJIT->getFunctionAddress(FA->getName().str());
checkAdd(ptr);
ptr = TheJIT->getFunctionAddress(FB->getName().str());
checkAdd(ptr);
}
// Module A { Function FA1, Function FA2 which calls FA1 },
// Module B { Extern FA1, Function FB which calls FA1 },
// execute FB then FA2
TEST_F(MCJITMultipleModuleTest, two_module_consecutive_call_case) {
SKIP_UNSUPPORTED_PLATFORM;
std::unique_ptr<Module> A, B;
Function *FA1, *FA2, *FB;
createTwoModuleExternCase(A, FA1, B, FB);
FA2 = insertSimpleCallFunction<int32_t(int32_t, int32_t)>(A.get(), FA1);
createJIT(std::move(A));
TheJIT->addModule(std::move(B));
uint64_t ptr = TheJIT->getFunctionAddress(FB->getName().str());
TheJIT->finalizeObject();
checkAdd(ptr);
ptr = TheJIT->getFunctionAddress(FA2->getName().str());
checkAdd(ptr);
}
// TODO:
// Module A { Extern Global GVB, Global Variable GVA, Function FA loads GVB },
// Module B { Extern Global GVA, Global Variable GVB, Function FB loads GVA },
// Module A { Global Variable GVA, Function FA loads GVA },
// Module B { Global Variable GVB, Internal Global GVC, Function FB loads GVB },
// execute FB then FA, also check that the global variables are properly accesible
// through the ExecutionEngine APIs
TEST_F(MCJITMultipleModuleTest, two_module_global_variables_case) {
SKIP_UNSUPPORTED_PLATFORM;
std::unique_ptr<Module> A, B;
Function *FA, *FB;
GlobalVariable *GVA, *GVB, *GVC;
A.reset(createEmptyModule("A"));
B.reset(createEmptyModule("B"));
int32_t initialNum = 7;
GVA = insertGlobalInt32(A.get(), "GVA", initialNum);
GVB = insertGlobalInt32(B.get(), "GVB", initialNum);
FA = startFunction<int32_t(void)>(A.get(), "FA");
endFunctionWithRet(FA, Builder.CreateLoad(GVA));
FB = startFunction<int32_t(void)>(B.get(), "FB");
endFunctionWithRet(FB, Builder.CreateLoad(GVB));
GVC = insertGlobalInt32(B.get(), "GVC", initialNum);
GVC->setLinkage(GlobalValue::InternalLinkage);
createJIT(std::move(A));
TheJIT->addModule(std::move(B));
EXPECT_EQ(GVA, TheJIT->FindGlobalVariableNamed("GVA"));
EXPECT_EQ(GVB, TheJIT->FindGlobalVariableNamed("GVB"));
EXPECT_EQ(GVC, TheJIT->FindGlobalVariableNamed("GVC",true));
EXPECT_EQ(nullptr, TheJIT->FindGlobalVariableNamed("GVC"));
uint64_t FBPtr = TheJIT->getFunctionAddress(FB->getName().str());
TheJIT->finalizeObject();
EXPECT_TRUE(0 != FBPtr);
int32_t(*FuncPtr)() = (int32_t(*)())FBPtr;
EXPECT_EQ(initialNum, FuncPtr())
<< "Invalid value for global returned from JITted function in module B";
uint64_t FAPtr = TheJIT->getFunctionAddress(FA->getName().str());
EXPECT_TRUE(0 != FAPtr);
FuncPtr = (int32_t(*)())FAPtr;
EXPECT_EQ(initialNum, FuncPtr())
<< "Invalid value for global returned from JITted function in module A";
}
// Module A { Function FA },
// Module B { Extern FA, Function FB which calls FA },
// Module C { Extern FA, Function FC which calls FA },
// execute FC, FB, FA
TEST_F(MCJITMultipleModuleTest, three_module_case) {
SKIP_UNSUPPORTED_PLATFORM;
std::unique_ptr<Module> A, B, C;
Function *FA, *FB, *FC;
createThreeModuleCase(A, FA, B, FB, C, FC);
createJIT(std::move(A));
TheJIT->addModule(std::move(B));
TheJIT->addModule(std::move(C));
uint64_t ptr = TheJIT->getFunctionAddress(FC->getName().str());
checkAdd(ptr);
ptr = TheJIT->getFunctionAddress(FB->getName().str());
checkAdd(ptr);
ptr = TheJIT->getFunctionAddress(FA->getName().str());
checkAdd(ptr);
}
// Module A { Function FA },
// Module B { Extern FA, Function FB which calls FA },
// Module C { Extern FA, Function FC which calls FA },
// execute FA, FB, FC
TEST_F(MCJITMultipleModuleTest, three_module_case_reverse_order) {
SKIP_UNSUPPORTED_PLATFORM;
std::unique_ptr<Module> A, B, C;
Function *FA, *FB, *FC;
createThreeModuleCase(A, FA, B, FB, C, FC);
createJIT(std::move(A));
TheJIT->addModule(std::move(B));
TheJIT->addModule(std::move(C));
uint64_t ptr = TheJIT->getFunctionAddress(FA->getName().str());
checkAdd(ptr);
ptr = TheJIT->getFunctionAddress(FB->getName().str());
checkAdd(ptr);
ptr = TheJIT->getFunctionAddress(FC->getName().str());
checkAdd(ptr);
}
// Module A { Function FA },
// Module B { Extern FA, Function FB which calls FA },
// Module C { Extern FB, Function FC which calls FB },
// execute FC, FB, FA
TEST_F(MCJITMultipleModuleTest, three_module_chain_case) {
SKIP_UNSUPPORTED_PLATFORM;
std::unique_ptr<Module> A, B, C;
Function *FA, *FB, *FC;
createThreeModuleChainedCallsCase(A, FA, B, FB, C, FC);
createJIT(std::move(A));
TheJIT->addModule(std::move(B));
TheJIT->addModule(std::move(C));
uint64_t ptr = TheJIT->getFunctionAddress(FC->getName().str());
checkAdd(ptr);
ptr = TheJIT->getFunctionAddress(FB->getName().str());
checkAdd(ptr);
ptr = TheJIT->getFunctionAddress(FA->getName().str());
checkAdd(ptr);
}
// Module A { Function FA },
// Module B { Extern FA, Function FB which calls FA },
// Module C { Extern FB, Function FC which calls FB },
// execute FA, FB, FC
TEST_F(MCJITMultipleModuleTest, three_modules_chain_case_reverse_order) {
SKIP_UNSUPPORTED_PLATFORM;
std::unique_ptr<Module> A, B, C;
Function *FA, *FB, *FC;
createThreeModuleChainedCallsCase(A, FA, B, FB, C, FC);
createJIT(std::move(A));
TheJIT->addModule(std::move(B));
TheJIT->addModule(std::move(C));
uint64_t ptr = TheJIT->getFunctionAddress(FA->getName().str());
checkAdd(ptr);
ptr = TheJIT->getFunctionAddress(FB->getName().str());
checkAdd(ptr);
ptr = TheJIT->getFunctionAddress(FC->getName().str());
checkAdd(ptr);
}
// Module A { Extern FB, Function FA which calls FB1 },
// Module B { Extern FA, Function FB1, Function FB2 which calls FA },
// execute FA, then FB1
// FIXME: this test case is not supported by MCJIT
TEST_F(MCJITMultipleModuleTest, cross_module_dependency_case) {
SKIP_UNSUPPORTED_PLATFORM;
std::unique_ptr<Module> A, B;
Function *FA, *FB1, *FB2;
createCrossModuleRecursiveCase(A, FA, B, FB1, FB2);
createJIT(std::move(A));
TheJIT->addModule(std::move(B));
uint64_t ptr = TheJIT->getFunctionAddress(FA->getName().str());
checkAccumulate(ptr);
ptr = TheJIT->getFunctionAddress(FB1->getName().str());
checkAccumulate(ptr);
}
// Module A { Extern FB, Function FA which calls FB1 },
// Module B { Extern FA, Function FB1, Function FB2 which calls FA },
// execute FB1 then FA
// FIXME: this test case is not supported by MCJIT
TEST_F(MCJITMultipleModuleTest, cross_module_dependency_case_reverse_order) {
SKIP_UNSUPPORTED_PLATFORM;
std::unique_ptr<Module> A, B;
Function *FA, *FB1, *FB2;
createCrossModuleRecursiveCase(A, FA, B, FB1, FB2);
createJIT(std::move(A));
TheJIT->addModule(std::move(B));
uint64_t ptr = TheJIT->getFunctionAddress(FB1->getName().str());
checkAccumulate(ptr);
ptr = TheJIT->getFunctionAddress(FA->getName().str());
checkAccumulate(ptr);
}
// Module A { Extern FB1, Function FA which calls FB1 },
// Module B { Extern FA, Function FB1, Function FB2 which calls FA },
// execute FB1 then FB2
// FIXME: this test case is not supported by MCJIT
TEST_F(MCJITMultipleModuleTest, cross_module_dependency_case3) {
SKIP_UNSUPPORTED_PLATFORM;
std::unique_ptr<Module> A, B;
Function *FA, *FB1, *FB2;
createCrossModuleRecursiveCase(A, FA, B, FB1, FB2);
createJIT(std::move(A));
TheJIT->addModule(std::move(B));
uint64_t ptr = TheJIT->getFunctionAddress(FB1->getName().str());
checkAccumulate(ptr);
ptr = TheJIT->getFunctionAddress(FB2->getName().str());
checkAccumulate(ptr);
}
// Test that FindFunctionNamed finds the definition of
// a function in the correct module. We check two functions
// in two different modules, to make sure that for at least
// one of them MCJIT had to ignore the extern declaration.
TEST_F(MCJITMultipleModuleTest, FindFunctionNamed_test) {
SKIP_UNSUPPORTED_PLATFORM;
std::unique_ptr<Module> A, B;
Function *FA, *FB1, *FB2;
createCrossModuleRecursiveCase(A, FA, B, FB1, FB2);
createJIT(std::move(A));
TheJIT->addModule(std::move(B));
EXPECT_EQ(FA, TheJIT->FindFunctionNamed(FA->getName().data()));
EXPECT_EQ(FB1, TheJIT->FindFunctionNamed(FB1->getName().data()));
}
} // end anonymous namespace

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//===- MCJITObjectCacheTest.cpp - Unit tests for MCJIT object caching -----===//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
#include "MCJITTestBase.h"
#include "llvm/ADT/SmallVector.h"
#include "llvm/ADT/StringMap.h"
#include "llvm/ADT/StringSet.h"
#include "llvm/ExecutionEngine/MCJIT.h"
#include "llvm/ExecutionEngine/ObjectCache.h"
#include "llvm/ExecutionEngine/SectionMemoryManager.h"
#include "gtest/gtest.h"
using namespace llvm;
namespace {
class TestObjectCache : public ObjectCache {
public:
TestObjectCache() : DuplicateInserted(false) { }
void notifyObjectCompiled(const Module *M, MemoryBufferRef Obj) override {
// If we've seen this module before, note that.
const std::string ModuleID = M->getModuleIdentifier();
if (ObjMap.find(ModuleID) != ObjMap.end())
DuplicateInserted = true;
// Store a copy of the buffer in our map.
ObjMap[ModuleID] = copyBuffer(Obj);
}
std::unique_ptr<MemoryBuffer> getObject(const Module *M) override {
const MemoryBuffer* BufferFound = getObjectInternal(M);
ModulesLookedUp.insert(M->getModuleIdentifier());
if (!BufferFound)
return nullptr;
// Our test cache wants to maintain ownership of its object buffers
// so we make a copy here for the execution engine.
return MemoryBuffer::getMemBufferCopy(BufferFound->getBuffer());
}
// Test-harness-specific functions
bool wereDuplicatesInserted() { return DuplicateInserted; }
bool wasModuleLookedUp(const Module *M) {
return ModulesLookedUp.find(M->getModuleIdentifier())
!= ModulesLookedUp.end();
}
const MemoryBuffer* getObjectInternal(const Module* M) {
// Look for the module in our map.
const std::string ModuleID = M->getModuleIdentifier();
StringMap<const MemoryBuffer *>::iterator it = ObjMap.find(ModuleID);
if (it == ObjMap.end())
return nullptr;
return it->second;
}
private:
MemoryBuffer *copyBuffer(MemoryBufferRef Buf) {
// Create a local copy of the buffer.
std::unique_ptr<MemoryBuffer> NewBuffer =
MemoryBuffer::getMemBufferCopy(Buf.getBuffer());
MemoryBuffer *Ret = NewBuffer.get();
AllocatedBuffers.push_back(std::move(NewBuffer));
return Ret;
}
StringMap<const MemoryBuffer *> ObjMap;
StringSet<> ModulesLookedUp;
SmallVector<std::unique_ptr<MemoryBuffer>, 2> AllocatedBuffers;
bool DuplicateInserted;
};
class MCJITObjectCacheTest : public testing::Test, public MCJITTestBase {
protected:
enum {
OriginalRC = 6,
ReplacementRC = 7
};
void SetUp() override {
M.reset(createEmptyModule("<main>"));
Main = insertMainFunction(M.get(), OriginalRC);
}
void compileAndRun(int ExpectedRC = OriginalRC) {
// This function shouldn't be called until after SetUp.
ASSERT_TRUE(bool(TheJIT));
ASSERT_TRUE(nullptr != Main);
// We may be using a null cache, so ensure compilation is valid.
TheJIT->finalizeObject();
void *vPtr = TheJIT->getPointerToFunction(Main);
EXPECT_TRUE(nullptr != vPtr)
<< "Unable to get pointer to main() from JIT";
int (*FuncPtr)() = (int(*)())(intptr_t)vPtr;
int returnCode = FuncPtr();
EXPECT_EQ(returnCode, ExpectedRC);
}
Function *Main;
};
TEST_F(MCJITObjectCacheTest, SetNullObjectCache) {
SKIP_UNSUPPORTED_PLATFORM;
createJIT(std::move(M));
TheJIT->setObjectCache(nullptr);
compileAndRun();
}
TEST_F(MCJITObjectCacheTest, VerifyBasicObjectCaching) {
SKIP_UNSUPPORTED_PLATFORM;
std::unique_ptr<TestObjectCache> Cache(new TestObjectCache);
// Save a copy of the module pointer before handing it off to MCJIT.
const Module * SavedModulePointer = M.get();
createJIT(std::move(M));
TheJIT->setObjectCache(Cache.get());
// Verify that our object cache does not contain the module yet.
const MemoryBuffer *ObjBuffer = Cache->getObjectInternal(SavedModulePointer);
EXPECT_EQ(nullptr, ObjBuffer);
compileAndRun();
// Verify that MCJIT tried to look-up this module in the cache.
EXPECT_TRUE(Cache->wasModuleLookedUp(SavedModulePointer));
// Verify that our object cache now contains the module.
ObjBuffer = Cache->getObjectInternal(SavedModulePointer);
EXPECT_TRUE(nullptr != ObjBuffer);
// Verify that the cache was only notified once.
EXPECT_FALSE(Cache->wereDuplicatesInserted());
}
TEST_F(MCJITObjectCacheTest, VerifyLoadFromCache) {
SKIP_UNSUPPORTED_PLATFORM;
std::unique_ptr<TestObjectCache> Cache(new TestObjectCache);
// Compile this module with an MCJIT engine
createJIT(std::move(M));
TheJIT->setObjectCache(Cache.get());
TheJIT->finalizeObject();
// Destroy the MCJIT engine we just used
TheJIT.reset();
// Create a new memory manager.
MM.reset(new SectionMemoryManager());
// Create a new module and save it. Use a different return code so we can
// tell if MCJIT compiled this module or used the cache.
M.reset(createEmptyModule("<main>"));
Main = insertMainFunction(M.get(), ReplacementRC);
const Module * SecondModulePointer = M.get();
// Create a new MCJIT instance to load this module then execute it.
createJIT(std::move(M));
TheJIT->setObjectCache(Cache.get());
compileAndRun();
// Verify that MCJIT tried to look-up this module in the cache.
EXPECT_TRUE(Cache->wasModuleLookedUp(SecondModulePointer));
// Verify that MCJIT didn't try to cache this again.
EXPECT_FALSE(Cache->wereDuplicatesInserted());
}
TEST_F(MCJITObjectCacheTest, VerifyNonLoadFromCache) {
SKIP_UNSUPPORTED_PLATFORM;
std::unique_ptr<TestObjectCache> Cache(new TestObjectCache);
// Compile this module with an MCJIT engine
createJIT(std::move(M));
TheJIT->setObjectCache(Cache.get());
TheJIT->finalizeObject();
// Destroy the MCJIT engine we just used
TheJIT.reset();
// Create a new memory manager.
MM.reset(new SectionMemoryManager());
// Create a new module and save it. Use a different return code so we can
// tell if MCJIT compiled this module or used the cache. Note that we use
// a new module name here so the module shouldn't be found in the cache.
M.reset(createEmptyModule("<not-main>"));
Main = insertMainFunction(M.get(), ReplacementRC);
const Module * SecondModulePointer = M.get();
// Create a new MCJIT instance to load this module then execute it.
createJIT(std::move(M));
TheJIT->setObjectCache(Cache.get());
// Verify that our object cache does not contain the module yet.
const MemoryBuffer *ObjBuffer = Cache->getObjectInternal(SecondModulePointer);
EXPECT_EQ(nullptr, ObjBuffer);
// Run the function and look for the replacement return code.
compileAndRun(ReplacementRC);
// Verify that MCJIT tried to look-up this module in the cache.
EXPECT_TRUE(Cache->wasModuleLookedUp(SecondModulePointer));
// Verify that our object cache now contains the module.
ObjBuffer = Cache->getObjectInternal(SecondModulePointer);
EXPECT_TRUE(nullptr != ObjBuffer);
// Verify that MCJIT didn't try to cache this again.
EXPECT_FALSE(Cache->wereDuplicatesInserted());
}
} // end anonymous namespace

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//===- MCJITTest.cpp - Unit tests for the MCJIT -----------------*- C++ -*-===//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
//
// This test suite verifies basic MCJIT functionality such as making function
// calls, using global variables, and compiling multpile modules.
//
//===----------------------------------------------------------------------===//
#include "MCJITTestBase.h"
#include "llvm/Support/DynamicLibrary.h"
#include "gtest/gtest.h"
using namespace llvm;
namespace {
class MCJITTest : public testing::Test, public MCJITTestBase {
protected:
void SetUp() override { M.reset(createEmptyModule("<main>")); }
};
// FIXME: Ensure creating an execution engine does not crash when constructed
// with a null module.
/*
TEST_F(MCJITTest, null_module) {
createJIT(0);
}
*/
// FIXME: In order to JIT an empty module, there needs to be
// an interface to ExecutionEngine that forces compilation but
// does not require retrieval of a pointer to a function/global.
/*
TEST_F(MCJITTest, empty_module) {
createJIT(M.take());
//EXPECT_NE(0, TheJIT->getObjectImage())
// << "Unable to generate executable loaded object image";
}
*/
TEST_F(MCJITTest, global_variable) {
SKIP_UNSUPPORTED_PLATFORM;
int initialValue = 5;
GlobalValue *Global = insertGlobalInt32(M.get(), "test_global", initialValue);
createJIT(std::move(M));
void *globalPtr = TheJIT->getPointerToGlobal(Global);
EXPECT_TRUE(nullptr != globalPtr)
<< "Unable to get pointer to global value from JIT";
EXPECT_EQ(initialValue, *(int32_t*)globalPtr)
<< "Unexpected initial value of global";
}
TEST_F(MCJITTest, add_function) {
SKIP_UNSUPPORTED_PLATFORM;
Function *F = insertAddFunction(M.get());
createJIT(std::move(M));
uint64_t addPtr = TheJIT->getFunctionAddress(F->getName().str());
EXPECT_TRUE(0 != addPtr)
<< "Unable to get pointer to function from JIT";
ASSERT_TRUE(addPtr != 0) << "Unable to get pointer to function .";
int (*AddPtr)(int, int) = (int(*)(int, int))addPtr ;
EXPECT_EQ(0, AddPtr(0, 0));
EXPECT_EQ(1, AddPtr(1, 0));
EXPECT_EQ(3, AddPtr(1, 2));
EXPECT_EQ(-5, AddPtr(-2, -3));
EXPECT_EQ(30, AddPtr(10, 20));
EXPECT_EQ(-30, AddPtr(-10, -20));
EXPECT_EQ(-40, AddPtr(-10, -30));
}
TEST_F(MCJITTest, run_main) {
SKIP_UNSUPPORTED_PLATFORM;
int rc = 6;
Function *Main = insertMainFunction(M.get(), 6);
createJIT(std::move(M));
uint64_t ptr = TheJIT->getFunctionAddress(Main->getName().str());
EXPECT_TRUE(0 != ptr)
<< "Unable to get pointer to main() from JIT";
int (*FuncPtr)() = (int(*)())ptr;
int returnCode = FuncPtr();
EXPECT_EQ(returnCode, rc);
}
TEST_F(MCJITTest, return_global) {
SKIP_UNSUPPORTED_PLATFORM;
int32_t initialNum = 7;
GlobalVariable *GV = insertGlobalInt32(M.get(), "myglob", initialNum);
Function *ReturnGlobal = startFunction<int32_t(void)>(M.get(),
"ReturnGlobal");
Value *ReadGlobal = Builder.CreateLoad(GV);
endFunctionWithRet(ReturnGlobal, ReadGlobal);
createJIT(std::move(M));
uint64_t rgvPtr = TheJIT->getFunctionAddress(ReturnGlobal->getName().str());
EXPECT_TRUE(0 != rgvPtr);
int32_t(*FuncPtr)() = (int32_t(*)())rgvPtr;
EXPECT_EQ(initialNum, FuncPtr())
<< "Invalid value for global returned from JITted function";
}
// FIXME: This case fails due to a bug with getPointerToGlobal().
// The bug is due to MCJIT not having an implementation of getPointerToGlobal()
// which results in falling back on the ExecutionEngine implementation that
// allocates a new memory block for the global instead of using the same
// global variable that is emitted by MCJIT. Hence, the pointer (gvPtr below)
// has the correct initial value, but updates to the real global (accessed by
// JITted code) are not propagated. Instead, getPointerToGlobal() should return
// a pointer into the loaded ObjectImage to reference the emitted global.
/*
TEST_F(MCJITTest, increment_global) {
SKIP_UNSUPPORTED_PLATFORM;
int32_t initialNum = 5;
Function *IncrementGlobal = startFunction<int32_t(void)>(M.get(), "IncrementGlobal");
GlobalVariable *GV = insertGlobalInt32(M.get(), "my_global", initialNum);
Value *DerefGV = Builder.CreateLoad(GV);
Value *AddResult = Builder.CreateAdd(DerefGV,
ConstantInt::get(Context, APInt(32, 1)));
Builder.CreateStore(AddResult, GV);
endFunctionWithRet(IncrementGlobal, AddResult);
createJIT(M.take());
void *gvPtr = TheJIT->getPointerToGlobal(GV);
EXPECT_EQ(initialNum, *(int32_t*)gvPtr);
void *vPtr = TheJIT->getFunctionAddress(IncrementGlobal->getName().str());
EXPECT_TRUE(0 != vPtr)
<< "Unable to get pointer to main() from JIT";
int32_t(*FuncPtr)(void) = (int32_t(*)(void))(intptr_t)vPtr;
for(int i = 1; i < 3; ++i) {
int32_t result = FuncPtr();
EXPECT_EQ(initialNum + i, result); // OK
EXPECT_EQ(initialNum + i, *(int32_t*)gvPtr); // FAILS
}
}
*/
// PR16013: XFAIL this test on ARM, which currently can't handle multiple relocations.
#if !defined(__arm__)
TEST_F(MCJITTest, multiple_functions) {
SKIP_UNSUPPORTED_PLATFORM;
unsigned int numLevels = 23;
int32_t innerRetVal= 5;
Function *Inner = startFunction<int32_t(void)>(M.get(), "Inner");
endFunctionWithRet(Inner, ConstantInt::get(Context, APInt(32, innerRetVal)));
Function *Outer;
for (unsigned int i = 0; i < numLevels; ++i) {
std::stringstream funcName;
funcName << "level_" << i;
Outer = startFunction<int32_t(void)>(M.get(), funcName.str());
Value *innerResult = Builder.CreateCall(Inner, {});
endFunctionWithRet(Outer, innerResult);
Inner = Outer;
}
createJIT(std::move(M));
uint64_t ptr = TheJIT->getFunctionAddress(Outer->getName().str());
EXPECT_TRUE(0 != ptr)
<< "Unable to get pointer to outer function from JIT";
int32_t(*FuncPtr)() = (int32_t(*)())ptr;
EXPECT_EQ(innerRetVal, FuncPtr())
<< "Incorrect result returned from function";
}
#endif /*!defined(__arm__)*/
TEST_F(MCJITTest, multiple_decl_lookups) {
SKIP_UNSUPPORTED_PLATFORM;
Function *Foo = insertExternalReferenceToFunction<void(void)>(M.get(), "_exit");
createJIT(std::move(M));
void *A = TheJIT->getPointerToFunction(Foo);
void *B = TheJIT->getPointerToFunction(Foo);
EXPECT_TRUE(A != nullptr) << "Failed lookup - test not correctly configured.";
EXPECT_EQ(A, B) << "Repeat calls to getPointerToFunction fail.";
}
typedef void * (*FunctionHandlerPtr)(const std::string &str);
TEST_F(MCJITTest, lazy_function_creator_pointer) {
SKIP_UNSUPPORTED_PLATFORM;
Function *Foo = insertExternalReferenceToFunction<int32_t(void)>(M.get(),
"\1Foo");
startFunction<int32_t(void)>(M.get(), "Parent");
CallInst *Call = Builder.CreateCall(Foo, {});
Builder.CreateRet(Call);
createJIT(std::move(M));
// Set up the lazy function creator that records the name of the last
// unresolved external function found in the module. Using a function pointer
// prevents us from capturing local variables, which is why this is static.
static std::string UnresolvedExternal;
FunctionHandlerPtr UnresolvedHandler = [] (const std::string &str) {
// Try to resolve the function in the current process before marking it as
// unresolved. This solves an issue on ARM where '__aeabi_*' function names
// are passed to this handler.
void *symbol =
llvm::sys::DynamicLibrary::SearchForAddressOfSymbol(str.c_str());
if (symbol) {
return symbol;
}
UnresolvedExternal = str;
return (void *)(uintptr_t)-1;
};
TheJIT->InstallLazyFunctionCreator(UnresolvedHandler);
// JIT the module.
TheJIT->finalizeObject();
// Verify that our handler was called.
EXPECT_EQ(UnresolvedExternal, "Foo");
}
TEST_F(MCJITTest, lazy_function_creator_lambda) {
SKIP_UNSUPPORTED_PLATFORM;
Function *Foo1 = insertExternalReferenceToFunction<int32_t(void)>(M.get(),
"\1Foo1");
Function *Foo2 = insertExternalReferenceToFunction<int32_t(void)>(M.get(),
"\1Foo2");
startFunction<int32_t(void)>(M.get(), "Parent");
CallInst *Call1 = Builder.CreateCall(Foo1, {});
CallInst *Call2 = Builder.CreateCall(Foo2, {});
Value *Result = Builder.CreateAdd(Call1, Call2);
Builder.CreateRet(Result);
createJIT(std::move(M));
// Set up the lazy function creator that records the name of unresolved
// external functions in the module.
std::vector<std::string> UnresolvedExternals;
auto UnresolvedHandler = [&UnresolvedExternals] (const std::string &str) {
// Try to resolve the function in the current process before marking it as
// unresolved. This solves an issue on ARM where '__aeabi_*' function names
// are passed to this handler.
void *symbol =
llvm::sys::DynamicLibrary::SearchForAddressOfSymbol(str.c_str());
if (symbol) {
return symbol;
}
UnresolvedExternals.push_back(str);
return (void *)(uintptr_t)-1;
};
TheJIT->InstallLazyFunctionCreator(UnresolvedHandler);
// JIT the module.
TheJIT->finalizeObject();
// Verify that our handler was called for each unresolved function.
auto I = UnresolvedExternals.begin(), E = UnresolvedExternals.end();
EXPECT_EQ(UnresolvedExternals.size(), 2u);
EXPECT_FALSE(std::find(I, E, "Foo1") == E);
EXPECT_FALSE(std::find(I, E, "Foo2") == E);
}
} // end anonymous namespace

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//===- MCJITTestBase.h - Common base class for MCJIT Unit tests ----------===//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
//
// This class implements functionality shared by both MCJIT C API tests, and
// the C++ API tests.
//
//===----------------------------------------------------------------------===//
#ifndef LLVM_UNITTESTS_EXECUTIONENGINE_MCJIT_MCJITTESTAPICOMMON_H
#define LLVM_UNITTESTS_EXECUTIONENGINE_MCJIT_MCJITTESTAPICOMMON_H
#include "llvm/ADT/STLExtras.h"
#include "llvm/ADT/SmallVector.h"
#include "llvm/ADT/Triple.h"
#include "llvm/IR/LegacyPassManager.h"
#include "llvm/InitializePasses.h"
#include "llvm/Support/Host.h"
#include "llvm/Support/TargetSelect.h"
// Used to skip tests on unsupported architectures and operating systems.
// To skip a test, add this macro at the top of a test-case in a suite that
// inherits from MCJITTestBase. See MCJITTest.cpp for examples.
#define SKIP_UNSUPPORTED_PLATFORM \
do \
if (!ArchSupportsMCJIT() || !OSSupportsMCJIT()) \
return; \
while(0)
namespace llvm {
class MCJITTestAPICommon {
protected:
MCJITTestAPICommon()
: HostTriple(sys::getProcessTriple())
{
InitializeNativeTarget();
InitializeNativeTargetAsmPrinter();
// FIXME: It isn't at all clear why this is necesasry, but without it we
// fail to initialize the AssumptionCacheTracker.
initializeAssumptionCacheTrackerPass(*PassRegistry::getPassRegistry());
#ifdef LLVM_ON_WIN32
// On Windows, generate ELF objects by specifying "-elf" in triple
HostTriple += "-elf";
#endif // LLVM_ON_WIN32
HostTriple = Triple::normalize(HostTriple);
}
/// Returns true if the host architecture is known to support MCJIT
bool ArchSupportsMCJIT() {
Triple Host(HostTriple);
// If ARCH is not supported, bail
if (!is_contained(SupportedArchs, Host.getArch()))
return false;
// If ARCH is supported and has no specific sub-arch support
if (!is_contained(HasSubArchs, Host.getArch()))
return true;
// If ARCH has sub-arch support, find it
SmallVectorImpl<std::string>::const_iterator I = SupportedSubArchs.begin();
for(; I != SupportedSubArchs.end(); ++I)
if (Host.getArchName().startswith(*I))
return true;
return false;
}
/// Returns true if the host OS is known to support MCJIT
bool OSSupportsMCJIT() {
Triple Host(HostTriple);
if (find(UnsupportedEnvironments, Host.getEnvironment()) !=
UnsupportedEnvironments.end())
return false;
if (!is_contained(UnsupportedOSs, Host.getOS()))
return true;
return false;
}
std::string HostTriple;
SmallVector<Triple::ArchType, 4> SupportedArchs;
SmallVector<Triple::ArchType, 1> HasSubArchs;
SmallVector<std::string, 2> SupportedSubArchs; // We need to own the memory
SmallVector<Triple::OSType, 4> UnsupportedOSs;
SmallVector<Triple::EnvironmentType, 1> UnsupportedEnvironments;
};
} // namespace llvm
#endif

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//===- MCJITTestBase.h - Common base class for MCJIT Unit tests -*- C++ -*-===//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
//
// This class implements common functionality required by the MCJIT unit tests,
// as well as logic to skip tests on unsupported architectures and operating
// systems.
//
//===----------------------------------------------------------------------===//
#ifndef LLVM_UNITTESTS_EXECUTIONENGINE_MCJIT_MCJITTESTBASE_H
#define LLVM_UNITTESTS_EXECUTIONENGINE_MCJIT_MCJITTESTBASE_H
#include "MCJITTestAPICommon.h"
#include "llvm/Config/config.h"
#include "llvm/ExecutionEngine/ExecutionEngine.h"
#include "llvm/ExecutionEngine/SectionMemoryManager.h"
#include "llvm/IR/Function.h"
#include "llvm/IR/IRBuilder.h"
#include "llvm/IR/LLVMContext.h"
#include "llvm/IR/Module.h"
#include "llvm/IR/TypeBuilder.h"
#include "llvm/Support/CodeGen.h"
namespace llvm {
/// Helper class that can build very simple Modules
class TrivialModuleBuilder {
protected:
LLVMContext Context;
IRBuilder<> Builder;
std::string BuilderTriple;
TrivialModuleBuilder(const std::string &Triple)
: Builder(Context), BuilderTriple(Triple) {}
Module *createEmptyModule(StringRef Name = StringRef()) {
Module * M = new Module(Name, Context);
M->setTargetTriple(Triple::normalize(BuilderTriple));
return M;
}
template<typename FuncType>
Function *startFunction(Module *M, StringRef Name) {
Function *Result = Function::Create(
TypeBuilder<FuncType, false>::get(Context),
GlobalValue::ExternalLinkage, Name, M);
BasicBlock *BB = BasicBlock::Create(Context, Name, Result);
Builder.SetInsertPoint(BB);
return Result;
}
void endFunctionWithRet(Function *Func, Value *RetValue) {
Builder.CreateRet(RetValue);
}
// Inserts a simple function that invokes Callee and takes the same arguments:
// int Caller(...) { return Callee(...); }
template<typename Signature>
Function *insertSimpleCallFunction(Module *M, Function *Callee) {
Function *Result = startFunction<Signature>(M, "caller");
SmallVector<Value*, 1> CallArgs;
for (Argument &A : Result->args())
CallArgs.push_back(&A);
Value *ReturnCode = Builder.CreateCall(Callee, CallArgs);
Builder.CreateRet(ReturnCode);
return Result;
}
// Inserts a function named 'main' that returns a uint32_t:
// int32_t main() { return X; }
// where X is given by returnCode
Function *insertMainFunction(Module *M, uint32_t returnCode) {
Function *Result = startFunction<int32_t(void)>(M, "main");
Value *ReturnVal = ConstantInt::get(Context, APInt(32, returnCode));
endFunctionWithRet(Result, ReturnVal);
return Result;
}
// Inserts a function
// int32_t add(int32_t a, int32_t b) { return a + b; }
// in the current module and returns a pointer to it.
Function *insertAddFunction(Module *M, StringRef Name = "add") {
Function *Result = startFunction<int32_t(int32_t, int32_t)>(M, Name);
Function::arg_iterator args = Result->arg_begin();
Value *Arg1 = &*args;
Value *Arg2 = &*++args;
Value *AddResult = Builder.CreateAdd(Arg1, Arg2);
endFunctionWithRet(Result, AddResult);
return Result;
}
// Inserts a declaration to a function defined elsewhere
template <typename FuncType>
Function *insertExternalReferenceToFunction(Module *M, StringRef Name) {
Function *Result = Function::Create(
TypeBuilder<FuncType, false>::get(Context),
GlobalValue::ExternalLinkage, Name, M);
return Result;
}
// Inserts an declaration to a function defined elsewhere
Function *insertExternalReferenceToFunction(Module *M, StringRef Name,
FunctionType *FuncTy) {
Function *Result = Function::Create(FuncTy,
GlobalValue::ExternalLinkage,
Name, M);
return Result;
}
// Inserts an declaration to a function defined elsewhere
Function *insertExternalReferenceToFunction(Module *M, Function *Func) {
Function *Result = Function::Create(Func->getFunctionType(),
GlobalValue::ExternalLinkage,
Func->getName(), M);
return Result;
}
// Inserts a global variable of type int32
// FIXME: make this a template function to support any type
GlobalVariable *insertGlobalInt32(Module *M,
StringRef name,
int32_t InitialValue) {
Type *GlobalTy = TypeBuilder<types::i<32>, true>::get(Context);
Constant *IV = ConstantInt::get(Context, APInt(32, InitialValue));
GlobalVariable *Global = new GlobalVariable(*M,
GlobalTy,
false,
GlobalValue::ExternalLinkage,
IV,
name);
return Global;
}
// Inserts a function
// int32_t recursive_add(int32_t num) {
// if (num == 0) {
// return num;
// } else {
// int32_t recursive_param = num - 1;
// return num + Helper(recursive_param);
// }
// }
// NOTE: if Helper is left as the default parameter, Helper == recursive_add.
Function *insertAccumulateFunction(Module *M,
Function *Helper = nullptr,
StringRef Name = "accumulate") {
Function *Result = startFunction<int32_t(int32_t)>(M, Name);
if (!Helper)
Helper = Result;
BasicBlock *BaseCase = BasicBlock::Create(Context, "", Result);
BasicBlock *RecursiveCase = BasicBlock::Create(Context, "", Result);
// if (num == 0)
Value *Param = &*Result->arg_begin();
Value *Zero = ConstantInt::get(Context, APInt(32, 0));
Builder.CreateCondBr(Builder.CreateICmpEQ(Param, Zero),
BaseCase, RecursiveCase);
// return num;
Builder.SetInsertPoint(BaseCase);
Builder.CreateRet(Param);
// int32_t recursive_param = num - 1;
// return Helper(recursive_param);
Builder.SetInsertPoint(RecursiveCase);
Value *One = ConstantInt::get(Context, APInt(32, 1));
Value *RecursiveParam = Builder.CreateSub(Param, One);
Value *RecursiveReturn = Builder.CreateCall(Helper, RecursiveParam);
Value *Accumulator = Builder.CreateAdd(Param, RecursiveReturn);
Builder.CreateRet(Accumulator);
return Result;
}
// Populates Modules A and B:
// Module A { Extern FB1, Function FA which calls FB1 },
// Module B { Extern FA, Function FB1, Function FB2 which calls FA },
void createCrossModuleRecursiveCase(std::unique_ptr<Module> &A, Function *&FA,
std::unique_ptr<Module> &B,
Function *&FB1, Function *&FB2) {
// Define FB1 in B.
B.reset(createEmptyModule("B"));
FB1 = insertAccumulateFunction(B.get(), nullptr, "FB1");
// Declare FB1 in A (as an external).
A.reset(createEmptyModule("A"));
Function *FB1Extern = insertExternalReferenceToFunction(A.get(), FB1);
// Define FA in A (with a call to FB1).
FA = insertAccumulateFunction(A.get(), FB1Extern, "FA");
// Declare FA in B (as an external)
Function *FAExtern = insertExternalReferenceToFunction(B.get(), FA);
// Define FB2 in B (with a call to FA)
FB2 = insertAccumulateFunction(B.get(), FAExtern, "FB2");
}
// Module A { Function FA },
// Module B { Extern FA, Function FB which calls FA },
// Module C { Extern FB, Function FC which calls FB },
void
createThreeModuleChainedCallsCase(std::unique_ptr<Module> &A, Function *&FA,
std::unique_ptr<Module> &B, Function *&FB,
std::unique_ptr<Module> &C, Function *&FC) {
A.reset(createEmptyModule("A"));
FA = insertAddFunction(A.get());
B.reset(createEmptyModule("B"));
Function *FAExtern_in_B = insertExternalReferenceToFunction(B.get(), FA);
FB = insertSimpleCallFunction<int32_t(int32_t, int32_t)>(B.get(), FAExtern_in_B);
C.reset(createEmptyModule("C"));
Function *FBExtern_in_C = insertExternalReferenceToFunction(C.get(), FB);
FC = insertSimpleCallFunction<int32_t(int32_t, int32_t)>(C.get(), FBExtern_in_C);
}
// Module A { Function FA },
// Populates Modules A and B:
// Module B { Function FB }
void createTwoModuleCase(std::unique_ptr<Module> &A, Function *&FA,
std::unique_ptr<Module> &B, Function *&FB) {
A.reset(createEmptyModule("A"));
FA = insertAddFunction(A.get());
B.reset(createEmptyModule("B"));
FB = insertAddFunction(B.get());
}
// Module A { Function FA },
// Module B { Extern FA, Function FB which calls FA }
void createTwoModuleExternCase(std::unique_ptr<Module> &A, Function *&FA,
std::unique_ptr<Module> &B, Function *&FB) {
A.reset(createEmptyModule("A"));
FA = insertAddFunction(A.get());
B.reset(createEmptyModule("B"));
Function *FAExtern_in_B = insertExternalReferenceToFunction(B.get(), FA);
FB = insertSimpleCallFunction<int32_t(int32_t, int32_t)>(B.get(),
FAExtern_in_B);
}
// Module A { Function FA },
// Module B { Extern FA, Function FB which calls FA },
// Module C { Extern FB, Function FC which calls FA },
void createThreeModuleCase(std::unique_ptr<Module> &A, Function *&FA,
std::unique_ptr<Module> &B, Function *&FB,
std::unique_ptr<Module> &C, Function *&FC) {
A.reset(createEmptyModule("A"));
FA = insertAddFunction(A.get());
B.reset(createEmptyModule("B"));
Function *FAExtern_in_B = insertExternalReferenceToFunction(B.get(), FA);
FB = insertSimpleCallFunction<int32_t(int32_t, int32_t)>(B.get(), FAExtern_in_B);
C.reset(createEmptyModule("C"));
Function *FAExtern_in_C = insertExternalReferenceToFunction(C.get(), FA);
FC = insertSimpleCallFunction<int32_t(int32_t, int32_t)>(C.get(), FAExtern_in_C);
}
};
class MCJITTestBase : public MCJITTestAPICommon, public TrivialModuleBuilder {
protected:
MCJITTestBase()
: TrivialModuleBuilder(HostTriple), OptLevel(CodeGenOpt::None),
CodeModel(CodeModel::Small), MArch(""), MM(new SectionMemoryManager) {
// The architectures below are known to be compatible with MCJIT as they
// are copied from test/ExecutionEngine/MCJIT/lit.local.cfg and should be
// kept in sync.
SupportedArchs.push_back(Triple::aarch64);
SupportedArchs.push_back(Triple::arm);
SupportedArchs.push_back(Triple::mips);
SupportedArchs.push_back(Triple::mipsel);
SupportedArchs.push_back(Triple::mips64);
SupportedArchs.push_back(Triple::mips64el);
SupportedArchs.push_back(Triple::x86);
SupportedArchs.push_back(Triple::x86_64);
// Some architectures have sub-architectures in which tests will fail, like
// ARM. These two vectors will define if they do have sub-archs (to avoid
// extra work for those who don't), and if so, if they are listed to work
HasSubArchs.push_back(Triple::arm);
SupportedSubArchs.push_back("armv6");
SupportedSubArchs.push_back("armv7");
UnsupportedEnvironments.push_back(Triple::Cygnus);
}
void createJIT(std::unique_ptr<Module> M) {
// Due to the EngineBuilder constructor, it is required to have a Module
// in order to construct an ExecutionEngine (i.e. MCJIT)
assert(M != 0 && "a non-null Module must be provided to create MCJIT");
EngineBuilder EB(std::move(M));
std::string Error;
TheJIT.reset(EB.setEngineKind(EngineKind::JIT)
.setMCJITMemoryManager(std::move(MM))
.setErrorStr(&Error)
.setOptLevel(CodeGenOpt::None)
.setMArch(MArch)
.setMCPU(sys::getHostCPUName())
//.setMAttrs(MAttrs)
.create());
// At this point, we cannot modify the module any more.
assert(TheJIT.get() != NULL && "error creating MCJIT with EngineBuilder");
}
CodeGenOpt::Level OptLevel;
CodeModel::Model CodeModel;
StringRef MArch;
SmallVector<std::string, 1> MAttrs;
std::unique_ptr<ExecutionEngine> TheJIT;
std::unique_ptr<RTDyldMemoryManager> MM;
std::unique_ptr<Module> M;
};
} // namespace llvm
#endif // LLVM_UNITTESTS_EXECUTIONENGINE_MCJIT_MCJITTESTBASE_H

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EXPORTS

32
external/llvm/unittests/ExecutionEngine/Orc/CMakeLists.txt vendored
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set(LLVM_LINK_COMPONENTS
Core
ExecutionEngine
Object
OrcJIT
RuntimeDyld
Support
native
)
add_llvm_unittest(OrcJITTests
CompileOnDemandLayerTest.cpp
IndirectionUtilsTest.cpp
GlobalMappingLayerTest.cpp
LazyEmittingLayerTest.cpp
ObjectTransformLayerTest.cpp
OrcCAPITest.cpp
OrcTestCommon.cpp
QueueChannel.cpp
RemoteObjectLayerTest.cpp
RPCUtilsTest.cpp
RTDyldObjectLinkingLayerTest.cpp
SymbolStringPoolTest.cpp
)
set(ORC_JIT_TEST_LIBS ${LLVM_PTHREAD_LIB})
if(NOT HAVE_CXX_ATOMICS64_WITHOUT_LIB)
list(APPEND ORC_JIT_TEST_LIBS atomic)
endif()
target_link_libraries(OrcJITTests PRIVATE ${ORC_JIT_TEST_LIBS})

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//===----- CompileOnDemandLayerTest.cpp - Unit tests for the COD layer ----===//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
#include "llvm/ExecutionEngine/Orc/CompileOnDemandLayer.h"
#include "OrcTestCommon.h"
#include "gtest/gtest.h"
using namespace llvm;
using namespace llvm::orc;
namespace {
class DummyCallbackManager : public orc::JITCompileCallbackManager {
public:
DummyCallbackManager() : JITCompileCallbackManager(0) {}
public:
Error grow() override { llvm_unreachable("not implemented"); }
};
class DummyStubsManager : public orc::IndirectStubsManager {
public:
Error createStub(StringRef StubName, JITTargetAddress InitAddr,
JITSymbolFlags Flags) override {
llvm_unreachable("Not implemented");
}
Error createStubs(const StubInitsMap &StubInits) override {
llvm_unreachable("Not implemented");
}
JITSymbol findStub(StringRef Name, bool ExportedStubsOnly) override {
llvm_unreachable("Not implemented");
}
JITSymbol findPointer(StringRef Name) override {
llvm_unreachable("Not implemented");
}
Error updatePointer(StringRef Name, JITTargetAddress NewAddr) override {
llvm_unreachable("Not implemented");
}
};
TEST(CompileOnDemandLayerTest, FindSymbol) {
MockBaseLayer<int, std::shared_ptr<Module>> TestBaseLayer;
TestBaseLayer.findSymbolImpl =
[](const std::string &Name, bool) {
if (Name == "foo")
return JITSymbol(1, JITSymbolFlags::Exported);
return JITSymbol(nullptr);
};
DummyCallbackManager CallbackMgr;
llvm::orc::CompileOnDemandLayer<decltype(TestBaseLayer)> COD(
TestBaseLayer, [](Function &F) { return std::set<Function *>{&F}; },
CallbackMgr, [] { return llvm::make_unique<DummyStubsManager>(); }, true);
auto Sym = COD.findSymbol("foo", true);
EXPECT_TRUE(!!Sym) << "CompileOnDemand::findSymbol should call findSymbol in "
"the base layer.";
}
}

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//===--- GlobalMappingLayerTest.cpp - Unit test the global mapping layer --===//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
#include "llvm/ExecutionEngine/Orc/GlobalMappingLayer.h"
#include "OrcTestCommon.h"
#include "gtest/gtest.h"
using namespace llvm;
using namespace llvm::orc;
namespace {
TEST(GlobalMappingLayerTest, Empty) {
MockBaseLayer<int, std::shared_ptr<Module>> TestBaseLayer;
TestBaseLayer.addModuleImpl =
[](std::shared_ptr<Module> M, std::shared_ptr<JITSymbolResolver> R) {
return 42;
};
TestBaseLayer.findSymbolImpl =
[](const std::string &Name, bool ExportedSymbolsOnly) -> JITSymbol {
if (Name == "bar")
return llvm::JITSymbol(0x4567, JITSymbolFlags::Exported);
return nullptr;
};
GlobalMappingLayer<decltype(TestBaseLayer)> L(TestBaseLayer);
// Test addModule interface.
int H = cantFail(L.addModule(nullptr, nullptr));
EXPECT_EQ(H, 42) << "Incorrect result from addModule";
// Test fall-through for missing symbol.
auto FooSym = L.findSymbol("foo", true);
EXPECT_FALSE(FooSym) << "Found unexpected symbol.";
// Test fall-through for symbol in base layer.
auto BarSym = L.findSymbol("bar", true);
EXPECT_EQ(cantFail(BarSym.getAddress()),
static_cast<JITTargetAddress>(0x4567))
<< "Symbol lookup fall-through failed.";
// Test setup of a global mapping.
L.setGlobalMapping("foo", 0x0123);
auto FooSym2 = L.findSymbol("foo", true);
EXPECT_EQ(cantFail(FooSym2.getAddress()),
static_cast<JITTargetAddress>(0x0123))
<< "Symbol mapping setup failed.";
// Test removal of a global mapping.
L.eraseGlobalMapping("foo");
auto FooSym3 = L.findSymbol("foo", true);
EXPECT_FALSE(FooSym3) << "Symbol mapping removal failed.";
}
}

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//===- LazyEmittingLayerTest.cpp - Unit tests for the lazy emitting layer -===//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
#include "llvm/ExecutionEngine/Orc/IndirectionUtils.h"
#include "OrcTestCommon.h"
#include "llvm/ADT/SmallVector.h"
#include "gtest/gtest.h"
using namespace llvm;
namespace {
TEST(IndirectionUtilsTest, MakeStub) {
LLVMContext Context;
ModuleBuilder MB(Context, "x86_64-apple-macosx10.10", "");
Function *F = MB.createFunctionDecl<void(DummyStruct, DummyStruct)>("");
AttributeSet FnAttrs = AttributeSet::get(
Context, AttrBuilder().addAttribute(Attribute::NoUnwind));
AttributeSet RetAttrs; // None
AttributeSet ArgAttrs[2] = {
AttributeSet::get(Context,
AttrBuilder().addAttribute(Attribute::StructRet)),
AttributeSet::get(Context, AttrBuilder().addAttribute(Attribute::ByVal)),
};
F->setAttributes(AttributeList::get(Context, FnAttrs, RetAttrs, ArgAttrs));
auto ImplPtr = orc::createImplPointer(*F->getType(), *MB.getModule(), "", nullptr);
orc::makeStub(*F, *ImplPtr);
auto II = F->getEntryBlock().begin();
EXPECT_TRUE(isa<LoadInst>(*II)) << "First instruction of stub should be a load.";
auto *Call = dyn_cast<CallInst>(std::next(II));
EXPECT_TRUE(Call != nullptr) << "Second instruction of stub should be a call.";
EXPECT_TRUE(Call->isTailCall()) << "Indirect call from stub should be tail call.";
EXPECT_TRUE(Call->hasStructRetAttr())
<< "makeStub should propagate sret attr on 1st argument.";
EXPECT_TRUE(Call->paramHasAttr(1U, Attribute::ByVal))
<< "makeStub should propagate byval attr on 2nd argument.";
}
}

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//===- LazyEmittingLayerTest.cpp - Unit tests for the lazy emitting layer -===//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
#include "llvm/ExecutionEngine/Orc/LazyEmittingLayer.h"
#include "llvm/ExecutionEngine/RuntimeDyld.h"
#include "gtest/gtest.h"
namespace {
struct MockBaseLayer {
typedef int ModuleHandleT;
ModuleHandleT addModule(
std::shared_ptr<llvm::Module>,
std::unique_ptr<llvm::RuntimeDyld::MemoryManager> MemMgr,
std::unique_ptr<llvm::JITSymbolResolver> Resolver) {
EXPECT_FALSE(MemMgr);
return 42;
}
};
TEST(LazyEmittingLayerTest, Empty) {
MockBaseLayer M;
llvm::orc::LazyEmittingLayer<MockBaseLayer> L(M);
cantFail(L.addModule(std::unique_ptr<llvm::Module>(), nullptr));
}
}

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external/llvm/unittests/ExecutionEngine/Orc/ObjectTransformLayerTest.cpp vendored
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//===- ObjectTransformLayerTest.cpp - Unit tests for ObjectTransformLayer -===//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
#include "llvm/ExecutionEngine/Orc/ObjectTransformLayer.h"
#include "llvm/ADT/STLExtras.h"
#include "llvm/ADT/SmallVector.h"
#include "llvm/ExecutionEngine/Orc/IRCompileLayer.h"
#include "llvm/ExecutionEngine/Orc/NullResolver.h"
#include "llvm/ExecutionEngine/Orc/RTDyldObjectLinkingLayer.h"
#include "llvm/ExecutionEngine/SectionMemoryManager.h"
#include "llvm/Object/ObjectFile.h"
#include "gtest/gtest.h"
using namespace llvm::orc;
namespace {
// stand-in for object::ObjectFile
typedef int MockObjectFile;
// stand-in for llvm::MemoryBuffer set
typedef int MockMemoryBuffer;
// Mock transform that operates on unique pointers to object files, and
// allocates new object files rather than mutating the given ones.
struct AllocatingTransform {
std::shared_ptr<MockObjectFile>
operator()(std::shared_ptr<MockObjectFile> Obj) const {
return std::make_shared<MockObjectFile>(*Obj + 1);
}
};
// Mock base layer for verifying behavior of transform layer.
// Each method "T foo(args)" is accompanied by two auxiliary methods:
// - "void expectFoo(args)", to be called before calling foo on the transform
// layer; saves values of args, which mock layer foo then verifies against.
// - "void verifyFoo(T)", to be called after foo, which verifies that the
// transform layer called the base layer and forwarded any return value.
class MockBaseLayer {
public:
typedef int ObjHandleT;
MockBaseLayer() : MockSymbol(nullptr) { resetExpectations(); }
template <typename ObjPtrT>
llvm::Expected<ObjHandleT>
addObject(ObjPtrT Obj,
std::shared_ptr<llvm::JITSymbolResolver> Resolver) {
EXPECT_EQ(MockResolver, Resolver) << "Resolver should pass through";
EXPECT_EQ(MockObject + 1, *Obj) << "Transform should be applied";
LastCalled = "addObject";
MockObjHandle = 111;
return MockObjHandle;
}
template <typename ObjPtrT>
void expectAddObject(ObjPtrT Obj,
std::shared_ptr<llvm::JITSymbolResolver> Resolver) {
MockResolver = Resolver;
MockObject = *Obj;
}
void verifyAddObject(ObjHandleT Returned) {
EXPECT_EQ("addObject", LastCalled);
EXPECT_EQ(MockObjHandle, Returned) << "Return should pass through";
resetExpectations();
}
llvm::Error removeObject(ObjHandleT H) {
EXPECT_EQ(MockObjHandle, H);
LastCalled = "removeObject";
return llvm::Error::success();
}
void expectRemoveObject(ObjHandleT H) { MockObjHandle = H; }
void verifyRemoveObject() {
EXPECT_EQ("removeObject", LastCalled);
resetExpectations();
}
llvm::JITSymbol findSymbol(const std::string &Name,
bool ExportedSymbolsOnly) {
EXPECT_EQ(MockName, Name) << "Name should pass through";
EXPECT_EQ(MockBool, ExportedSymbolsOnly) << "Flag should pass through";
LastCalled = "findSymbol";
MockSymbol = llvm::JITSymbol(122, llvm::JITSymbolFlags::None);
return llvm::JITSymbol(122, llvm::JITSymbolFlags::None);
}
void expectFindSymbol(const std::string &Name, bool ExportedSymbolsOnly) {
MockName = Name;
MockBool = ExportedSymbolsOnly;
}
void verifyFindSymbol(llvm::JITSymbol Returned) {
EXPECT_EQ("findSymbol", LastCalled);
EXPECT_EQ(cantFail(MockSymbol.getAddress()),
cantFail(Returned.getAddress()))
<< "Return should pass through";
resetExpectations();
}
llvm::JITSymbol findSymbolIn(ObjHandleT H, const std::string &Name,
bool ExportedSymbolsOnly) {
EXPECT_EQ(MockObjHandle, H) << "Handle should pass through";
EXPECT_EQ(MockName, Name) << "Name should pass through";
EXPECT_EQ(MockBool, ExportedSymbolsOnly) << "Flag should pass through";
LastCalled = "findSymbolIn";
MockSymbol = llvm::JITSymbol(122, llvm::JITSymbolFlags::None);
return llvm::JITSymbol(122, llvm::JITSymbolFlags::None);
}
void expectFindSymbolIn(ObjHandleT H, const std::string &Name,
bool ExportedSymbolsOnly) {
MockObjHandle = H;
MockName = Name;
MockBool = ExportedSymbolsOnly;
}
void verifyFindSymbolIn(llvm::JITSymbol Returned) {
EXPECT_EQ("findSymbolIn", LastCalled);
EXPECT_EQ(cantFail(MockSymbol.getAddress()),
cantFail(Returned.getAddress()))
<< "Return should pass through";
resetExpectations();
}
llvm::Error emitAndFinalize(ObjHandleT H) {
EXPECT_EQ(MockObjHandle, H) << "Handle should pass through";
LastCalled = "emitAndFinalize";
return llvm::Error::success();
}
void expectEmitAndFinalize(ObjHandleT H) { MockObjHandle = H; }
void verifyEmitAndFinalize() {
EXPECT_EQ("emitAndFinalize", LastCalled);
resetExpectations();
}
void mapSectionAddress(ObjHandleT H, const void *LocalAddress,
llvm::JITTargetAddress TargetAddr) {
EXPECT_EQ(MockObjHandle, H);
EXPECT_EQ(MockLocalAddress, LocalAddress);
EXPECT_EQ(MockTargetAddress, TargetAddr);
LastCalled = "mapSectionAddress";
}
void expectMapSectionAddress(ObjHandleT H, const void *LocalAddress,
llvm::JITTargetAddress TargetAddr) {
MockObjHandle = H;
MockLocalAddress = LocalAddress;
MockTargetAddress = TargetAddr;
}
void verifyMapSectionAddress() {
EXPECT_EQ("mapSectionAddress", LastCalled);
resetExpectations();
}
private:
// Backing fields for remembering parameter/return values
std::string LastCalled;
std::shared_ptr<llvm::JITSymbolResolver> MockResolver;
MockObjectFile MockObject;
ObjHandleT MockObjHandle;
std::string MockName;
bool MockBool;
llvm::JITSymbol MockSymbol;
const void *MockLocalAddress;
llvm::JITTargetAddress MockTargetAddress;
MockMemoryBuffer MockBuffer;
// Clear remembered parameters between calls
void resetExpectations() {
LastCalled = "nothing";
MockResolver = nullptr;
MockObject = 0;
MockObjHandle = 0;
MockName = "bogus";
MockSymbol = llvm::JITSymbol(nullptr);
MockLocalAddress = nullptr;
MockTargetAddress = 0;
MockBuffer = 0;
}
};
// Test each operation on ObjectTransformLayer.
TEST(ObjectTransformLayerTest, Main) {
MockBaseLayer M;
// Create one object transform layer using a transform (as a functor)
// that allocates new objects, and deals in unique pointers.
ObjectTransformLayer<MockBaseLayer, AllocatingTransform> T1(M);
// Create a second object transform layer using a transform (as a lambda)
// that mutates objects in place, and deals in naked pointers
ObjectTransformLayer<MockBaseLayer,
std::function<std::shared_ptr<MockObjectFile>(
std::shared_ptr<MockObjectFile>)>>
T2(M, [](std::shared_ptr<MockObjectFile> Obj) {
++(*Obj);
return Obj;
});
// Test addObject with T1 (allocating)
auto Obj1 = std::make_shared<MockObjectFile>(211);
auto SR = std::make_shared<NullResolver>();
M.expectAddObject(Obj1, SR);
auto H = cantFail(T1.addObject(std::move(Obj1), SR));
M.verifyAddObject(H);
// Test addObjectSet with T2 (mutating)
auto Obj2 = std::make_shared<MockObjectFile>(222);
M.expectAddObject(Obj2, SR);
H = cantFail(T2.addObject(Obj2, SR));
M.verifyAddObject(H);
EXPECT_EQ(223, *Obj2) << "Expected mutation";
// Test removeObjectSet
M.expectRemoveObject(H);
cantFail(T1.removeObject(H));
M.verifyRemoveObject();
// Test findSymbol
std::string Name = "foo";
bool ExportedOnly = true;
M.expectFindSymbol(Name, ExportedOnly);
llvm::JITSymbol Sym1 = T2.findSymbol(Name, ExportedOnly);
M.verifyFindSymbol(std::move(Sym1));
// Test findSymbolIn
Name = "bar";
ExportedOnly = false;
M.expectFindSymbolIn(H, Name, ExportedOnly);
llvm::JITSymbol Sym2 = T1.findSymbolIn(H, Name, ExportedOnly);
M.verifyFindSymbolIn(std::move(Sym2));
// Test emitAndFinalize
M.expectEmitAndFinalize(H);
cantFail(T2.emitAndFinalize(H));
M.verifyEmitAndFinalize();
// Test mapSectionAddress
char Buffer[24];
llvm::JITTargetAddress MockAddress = 255;
M.expectMapSectionAddress(H, Buffer, MockAddress);
T1.mapSectionAddress(H, Buffer, MockAddress);
M.verifyMapSectionAddress();
// Verify transform getter (non-const)
auto Mutatee = std::make_shared<MockObjectFile>(277);
auto Out = T2.getTransform()(Mutatee);
EXPECT_EQ(*Mutatee, *Out) << "Expected in-place transform";
EXPECT_EQ(278, *Mutatee) << "Expected incrementing transform";
// Verify transform getter (const)
auto OwnedObj = std::make_shared<MockObjectFile>(288);
const auto &T1C = T1;
OwnedObj = T1C.getTransform()(std::move(OwnedObj));
EXPECT_EQ(289, *OwnedObj) << "Expected incrementing transform";
volatile bool RunStaticChecks = false;
if (!RunStaticChecks)
return;
// Make sure that ObjectTransformLayer implements the object layer concept
// correctly by sandwitching one between an ObjectLinkingLayer and an
// IRCompileLayer, verifying that it compiles if we have a call to the
// IRComileLayer's addModule that should call the transform layer's
// addObject, and also calling the other public transform layer methods
// directly to make sure the methods they intend to forward to exist on
// the ObjectLinkingLayer.
// We'll need a concrete MemoryManager class.
class NullManager : public llvm::RuntimeDyld::MemoryManager {
public:
uint8_t *allocateCodeSection(uintptr_t, unsigned, unsigned,
llvm::StringRef) override {
return nullptr;
}
uint8_t *allocateDataSection(uintptr_t, unsigned, unsigned, llvm::StringRef,
bool) override {
return nullptr;
}
void registerEHFrames(uint8_t *, uint64_t, size_t) override {}
void deregisterEHFrames() override {}
bool finalizeMemory(std::string *) override { return false; }
};
// Construct the jit layers.
RTDyldObjectLinkingLayer BaseLayer(
[]() {
return std::make_shared<llvm::SectionMemoryManager>();
});
auto IdentityTransform =
[](std::shared_ptr<llvm::object::OwningBinary<llvm::object::ObjectFile>>
Obj) {
return Obj;
};
ObjectTransformLayer<decltype(BaseLayer), decltype(IdentityTransform)>
TransformLayer(BaseLayer, IdentityTransform);
auto NullCompiler = [](llvm::Module &) {
return llvm::object::OwningBinary<llvm::object::ObjectFile>(nullptr,
nullptr);
};
IRCompileLayer<decltype(TransformLayer), decltype(NullCompiler)>
CompileLayer(TransformLayer, NullCompiler);
// Make sure that the calls from IRCompileLayer to ObjectTransformLayer
// compile.
auto Resolver = std::make_shared<NullResolver>();
cantFail(CompileLayer.addModule(std::shared_ptr<llvm::Module>(), Resolver));
// Make sure that the calls from ObjectTransformLayer to ObjectLinkingLayer
// compile.
decltype(TransformLayer)::ObjHandleT H2;
cantFail(TransformLayer.emitAndFinalize(H2));
TransformLayer.findSymbolIn(H2, Name, false);
TransformLayer.findSymbol(Name, true);
TransformLayer.mapSectionAddress(H2, nullptr, 0);
cantFail(TransformLayer.removeObject(H2));
}
}

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external/llvm/unittests/ExecutionEngine/Orc/OrcCAPITest.cpp vendored
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@ -1,211 +0,0 @@
//===--------------- OrcCAPITest.cpp - Unit tests Orc C API ---------------===//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
#include "OrcTestCommon.h"
#include "llvm/ExecutionEngine/Orc/CompileUtils.h"
#include "llvm-c/Core.h"
#include "llvm-c/OrcBindings.h"
#include "llvm-c/Target.h"
#include "llvm-c/TargetMachine.h"
#include "gtest/gtest.h"
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
namespace llvm {
DEFINE_SIMPLE_CONVERSION_FUNCTIONS(TargetMachine, LLVMTargetMachineRef)
class OrcCAPIExecutionTest : public testing::Test, public OrcExecutionTest {
protected:
std::unique_ptr<Module> createTestModule(const Triple &TT) {
ModuleBuilder MB(Context, TT.str(), "");
Function *TestFunc = MB.createFunctionDecl<int()>("testFunc");
Function *Main = MB.createFunctionDecl<int(int, char*[])>("main");
Main->getBasicBlockList().push_back(BasicBlock::Create(Context));
IRBuilder<> B(&Main->back());
Value* Result = B.CreateCall(TestFunc);
B.CreateRet(Result);
return MB.takeModule();
}
std::shared_ptr<object::OwningBinary<object::ObjectFile>>
createTestObject() {
orc::SimpleCompiler IRCompiler(*TM);
auto M = createTestModule(TM->getTargetTriple());
M->setDataLayout(TM->createDataLayout());
return std::make_shared<object::OwningBinary<object::ObjectFile>>(
IRCompiler(*M));
}
typedef int (*MainFnTy)();
static int myTestFuncImpl() {
return 42;
}
static char *testFuncName;
static uint64_t myResolver(const char *Name, void *Ctx) {
if (!strncmp(Name, testFuncName, 8))
return (uint64_t)&myTestFuncImpl;
return 0;
}
struct CompileContext {
CompileContext() : Compiled(false) { }
OrcCAPIExecutionTest* APIExecTest;
std::unique_ptr<Module> M;
LLVMOrcModuleHandle H;
bool Compiled;
};
static LLVMOrcTargetAddress myCompileCallback(LLVMOrcJITStackRef JITStack,
void *Ctx) {
CompileContext *CCtx = static_cast<CompileContext*>(Ctx);
auto *ET = CCtx->APIExecTest;
CCtx->M = ET->createTestModule(ET->TM->getTargetTriple());
LLVMSharedModuleRef SM = LLVMOrcMakeSharedModule(wrap(CCtx->M.release()));
LLVMOrcAddEagerlyCompiledIR(JITStack, &CCtx->H, SM, myResolver, nullptr);
LLVMOrcDisposeSharedModuleRef(SM);
CCtx->Compiled = true;
LLVMOrcTargetAddress MainAddr;
LLVMOrcGetSymbolAddress(JITStack, &MainAddr, "main");
LLVMOrcSetIndirectStubPointer(JITStack, "foo", MainAddr);
return MainAddr;
}
};
char *OrcCAPIExecutionTest::testFuncName = nullptr;
TEST_F(OrcCAPIExecutionTest, TestEagerIRCompilation) {
if (!TM)
return;
LLVMOrcJITStackRef JIT =
LLVMOrcCreateInstance(wrap(TM.get()));
std::unique_ptr<Module> M = createTestModule(TM->getTargetTriple());
LLVMOrcGetMangledSymbol(JIT, &testFuncName, "testFunc");
LLVMSharedModuleRef SM = LLVMOrcMakeSharedModule(wrap(M.release()));
LLVMOrcModuleHandle H;
LLVMOrcAddEagerlyCompiledIR(JIT, &H, SM, myResolver, nullptr);
LLVMOrcDisposeSharedModuleRef(SM);
LLVMOrcTargetAddress MainAddr;
LLVMOrcGetSymbolAddress(JIT, &MainAddr, "main");
MainFnTy MainFn = (MainFnTy)MainAddr;
int Result = MainFn();
EXPECT_EQ(Result, 42)
<< "Eagerly JIT'd code did not return expected result";
LLVMOrcRemoveModule(JIT, H);
LLVMOrcDisposeMangledSymbol(testFuncName);
LLVMOrcDisposeInstance(JIT);
}
TEST_F(OrcCAPIExecutionTest, TestLazyIRCompilation) {
if (!TM)
return;
LLVMOrcJITStackRef JIT =
LLVMOrcCreateInstance(wrap(TM.get()));
std::unique_ptr<Module> M = createTestModule(TM->getTargetTriple());
LLVMOrcGetMangledSymbol(JIT, &testFuncName, "testFunc");
LLVMSharedModuleRef SM = LLVMOrcMakeSharedModule(wrap(M.release()));
LLVMOrcModuleHandle H;
LLVMOrcAddLazilyCompiledIR(JIT, &H, SM, myResolver, nullptr);
LLVMOrcDisposeSharedModuleRef(SM);
LLVMOrcTargetAddress MainAddr;
LLVMOrcGetSymbolAddress(JIT, &MainAddr, "main");
MainFnTy MainFn = (MainFnTy)MainAddr;
int Result = MainFn();
EXPECT_EQ(Result, 42)
<< "Lazily JIT'd code did not return expected result";
LLVMOrcRemoveModule(JIT, H);
LLVMOrcDisposeMangledSymbol(testFuncName);
LLVMOrcDisposeInstance(JIT);
}
TEST_F(OrcCAPIExecutionTest, TestAddObjectFile) {
if (!TM)
return;
std::unique_ptr<MemoryBuffer> ObjBuffer;
{
auto OwningObj = createTestObject();
auto ObjAndBuffer = OwningObj->takeBinary();
ObjBuffer = std::move(ObjAndBuffer.second);
}
LLVMOrcJITStackRef JIT =
LLVMOrcCreateInstance(wrap(TM.get()));
LLVMOrcGetMangledSymbol(JIT, &testFuncName, "testFunc");
LLVMOrcModuleHandle H;
LLVMOrcAddObjectFile(JIT, &H, wrap(ObjBuffer.release()), myResolver, nullptr);
LLVMOrcTargetAddress MainAddr;
LLVMOrcGetSymbolAddress(JIT, &MainAddr, "main");
MainFnTy MainFn = (MainFnTy)MainAddr;
int Result = MainFn();
EXPECT_EQ(Result, 42)
<< "Lazily JIT'd code did not return expected result";
LLVMOrcRemoveModule(JIT, H);
LLVMOrcDisposeMangledSymbol(testFuncName);
LLVMOrcDisposeInstance(JIT);
}
TEST_F(OrcCAPIExecutionTest, TestDirectCallbacksAPI) {
if (!TM)
return;
LLVMOrcJITStackRef JIT =
LLVMOrcCreateInstance(wrap(TM.get()));
LLVMOrcGetMangledSymbol(JIT, &testFuncName, "testFunc");
CompileContext C;
C.APIExecTest = this;
LLVMOrcTargetAddress CCAddr;
LLVMOrcCreateLazyCompileCallback(JIT, &CCAddr, myCompileCallback, &C);
LLVMOrcCreateIndirectStub(JIT, "foo", CCAddr);
LLVMOrcTargetAddress MainAddr;
LLVMOrcGetSymbolAddress(JIT, &MainAddr, "foo");
MainFnTy FooFn = (MainFnTy)MainAddr;
int Result = FooFn();
EXPECT_TRUE(C.Compiled)
<< "Function wasn't lazily compiled";
EXPECT_EQ(Result, 42)
<< "Direct-callback JIT'd code did not return expected result";
C.Compiled = false;
FooFn();
EXPECT_FALSE(C.Compiled)
<< "Direct-callback JIT'd code was JIT'd twice";
LLVMOrcRemoveModule(JIT, C.H);
LLVMOrcDisposeMangledSymbol(testFuncName);
LLVMOrcDisposeInstance(JIT);
}
} // namespace llvm

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external/llvm/unittests/ExecutionEngine/Orc/OrcTestCommon.cpp vendored
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@ -1,25 +0,0 @@
//===--------- OrcTestCommon.cpp - Utilities for Orc Unit Tests -----------===//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
//
// Common utilities for Orc unit tests.
//
//===----------------------------------------------------------------------===//
#include "OrcTestCommon.h"
using namespace llvm;
bool OrcNativeTarget::NativeTargetInitialized = false;
ModuleBuilder::ModuleBuilder(LLVMContext &Context, StringRef Triple,
StringRef Name)
: M(new Module(Name, Context)) {
if (Triple != "")
M->setTargetTriple(Triple);
}

193
external/llvm/unittests/ExecutionEngine/Orc/OrcTestCommon.h vendored
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@ -1,193 +0,0 @@
//===------ OrcTestCommon.h - Utilities for Orc Unit Tests ------*- C++ -*-===//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
//
// Common utilities for the Orc unit tests.
//
//===----------------------------------------------------------------------===//
#ifndef LLVM_UNITTESTS_EXECUTIONENGINE_ORC_ORCTESTCOMMON_H
#define LLVM_UNITTESTS_EXECUTIONENGINE_ORC_ORCTESTCOMMON_H
#include "llvm/ExecutionEngine/ExecutionEngine.h"
#include "llvm/ExecutionEngine/JITSymbol.h"
#include "llvm/IR/Function.h"
#include "llvm/IR/IRBuilder.h"
#include "llvm/IR/LLVMContext.h"
#include "llvm/IR/Module.h"
#include "llvm/IR/TypeBuilder.h"
#include "llvm/Object/ObjectFile.h"
#include "llvm/Support/TargetSelect.h"
#include <memory>
namespace llvm {
class OrcNativeTarget {
public:
static void initialize() {
if (!NativeTargetInitialized) {
InitializeNativeTarget();
InitializeNativeTargetAsmParser();
InitializeNativeTargetAsmPrinter();
NativeTargetInitialized = true;
}
}
private:
static bool NativeTargetInitialized;
};
// Base class for Orc tests that will execute code.
class OrcExecutionTest {
public:
OrcExecutionTest() {
// Initialize the native target if it hasn't been done already.
OrcNativeTarget::initialize();
// Try to select a TargetMachine for the host.
TM.reset(EngineBuilder().selectTarget());
if (TM) {
// If we found a TargetMachine, check that it's one that Orc supports.
const Triple& TT = TM->getTargetTriple();
if ((TT.getArch() != Triple::x86_64 && TT.getArch() != Triple::x86) ||
TT.isOSWindows())
TM = nullptr;
}
};
protected:
LLVMContext Context;
std::unique_ptr<TargetMachine> TM;
};
class ModuleBuilder {
public:
ModuleBuilder(LLVMContext &Context, StringRef Triple,
StringRef Name);
template <typename FuncType>
Function* createFunctionDecl(StringRef Name) {
return Function::Create(
TypeBuilder<FuncType, false>::get(M->getContext()),
GlobalValue::ExternalLinkage, Name, M.get());
}
Module* getModule() { return M.get(); }
const Module* getModule() const { return M.get(); }
std::unique_ptr<Module> takeModule() { return std::move(M); }
private:
std::unique_ptr<Module> M;
};
// Dummy struct type.
struct DummyStruct {
int X[256];
};
// TypeBuilder specialization for DummyStruct.
template <bool XCompile>
class TypeBuilder<DummyStruct, XCompile> {
public:
static StructType *get(LLVMContext &Context) {
return StructType::get(
TypeBuilder<types::i<32>[256], XCompile>::get(Context));
}
};
template <typename HandleT, typename ModuleT>
class MockBaseLayer {
public:
using ModuleHandleT = HandleT;
using AddModuleSignature =
Expected<ModuleHandleT>(ModuleT M,
std::shared_ptr<JITSymbolResolver> R);
using RemoveModuleSignature = Error(ModuleHandleT H);
using FindSymbolSignature = JITSymbol(const std::string &Name,
bool ExportedSymbolsOnly);
using FindSymbolInSignature = JITSymbol(ModuleHandleT H,
const std::string &Name,
bool ExportedSymbolsONly);
using EmitAndFinalizeSignature = Error(ModuleHandleT H);
std::function<AddModuleSignature> addModuleImpl;
std::function<RemoveModuleSignature> removeModuleImpl;
std::function<FindSymbolSignature> findSymbolImpl;
std::function<FindSymbolInSignature> findSymbolInImpl;
std::function<EmitAndFinalizeSignature> emitAndFinalizeImpl;
Expected<ModuleHandleT> addModule(ModuleT M,
std::shared_ptr<JITSymbolResolver> R) {
assert(addModuleImpl &&
"addModule called, but no mock implementation was provided");
return addModuleImpl(std::move(M), std::move(R));
}
Error removeModule(ModuleHandleT H) {
assert(removeModuleImpl &&
"removeModule called, but no mock implementation was provided");
return removeModuleImpl(H);
}
JITSymbol findSymbol(const std::string &Name, bool ExportedSymbolsOnly) {
assert(findSymbolImpl &&
"findSymbol called, but no mock implementation was provided");
return findSymbolImpl(Name, ExportedSymbolsOnly);
}
JITSymbol findSymbolIn(ModuleHandleT H, const std::string &Name,
bool ExportedSymbolsOnly) {
assert(findSymbolInImpl &&
"findSymbolIn called, but no mock implementation was provided");
return findSymbolInImpl(H, Name, ExportedSymbolsOnly);
}
Error emitAndFinaliez(ModuleHandleT H) {
assert(emitAndFinalizeImpl &&
"emitAndFinalize called, but no mock implementation was provided");
return emitAndFinalizeImpl(H);
}
};
class ReturnNullJITSymbol {
public:
template <typename... Args>
JITSymbol operator()(Args...) const {
return nullptr;
}
};
template <typename ReturnT>
class DoNothingAndReturn {
public:
DoNothingAndReturn(ReturnT Ret) : Ret(std::move(Ret)) {}
template <typename... Args>
void operator()(Args...) const { return Ret; }
private:
ReturnT Ret;
};
template <>
class DoNothingAndReturn<void> {
public:
template <typename... Args>
void operator()(Args...) const { }
};
} // namespace llvm
#endif

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