Tests for MCJIT multiple module support
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@191723 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/unittests/ExecutionEngine/MCJIT/MCJITMultipleModuleTest.cpp b/unittests/ExecutionEngine/MCJIT/MCJITMultipleModuleTest.cpp
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+++ b/unittests/ExecutionEngine/MCJIT/MCJITMultipleModuleTest.cpp
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+//===- MCJITMultipeModuleTest.cpp - Unit tests for the MCJIT---------------===//
+//
+// 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 "llvm/ExecutionEngine/MCJIT.h"
+#include "MCJITTestBase.h"
+#include "gtest/gtest.h"
+
+using namespace llvm;
+
+class MCJITMultipleModuleTest : public testing::Test, public MCJITTestBase {};
+
+namespace {
+
+// 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;
+
+ OwningPtr<Module> A, B;
+ Function *FA, *FB;
+ createTwoModuleCase(A, FA, B, FB);
+
+ createJIT(A.take());
+ TheJIT->addModule(B.take());
+
+ 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;
+
+ OwningPtr<Module> A, B;
+ Function *FA, *FB;
+ createTwoModuleCase(A, FA, B, FB);
+
+ createJIT(A.take());
+ TheJIT->addModule(B.take());
+
+ 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;
+
+ OwningPtr<Module> A, B;
+ Function *FA, *FB;
+ createTwoModuleExternCase(A, FA, B, FB);
+
+ createJIT(A.take());
+ TheJIT->addModule(B.take());
+
+ 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;
+
+ OwningPtr<Module> A, B;
+ Function *FA, *FB;
+ createTwoModuleExternCase(A, FA, B, FB);
+
+ createJIT(A.take());
+ TheJIT->addModule(B.take());
+
+ 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;
+
+ OwningPtr<Module> A, B;
+ Function *FA1, *FA2, *FB;
+ createTwoModuleExternCase(A, FA1, B, FB);
+ FA2 = insertSimpleCallFunction<int32_t(int32_t, int32_t)>(A.get(), FA1);
+
+ createJIT(A.take());
+ TheJIT->addModule(B.take());
+
+ 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, Function FB loads GVB },
+// execute FB then FA
+TEST_F(MCJITMultipleModuleTest, two_module_global_variables_case) {
+ SKIP_UNSUPPORTED_PLATFORM;
+
+ OwningPtr<Module> A, B;
+ Function *FA, *FB;
+ GlobalVariable *GVA, *GVB;
+ 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));
+
+ createJIT(A.take());
+ TheJIT->addModule(B.take());
+
+ uint64_t FBPtr = TheJIT->getFunctionAddress(FB->getName().str());
+ TheJIT->finalizeObject();
+ EXPECT_TRUE(0 != FBPtr);
+ int32_t(*FuncPtr)(void) = (int32_t(*)(void))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(*)(void))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) {
+ OwningPtr<Module> A, B, C;
+ Function *FA, *FB, *FC;
+ createThreeModuleCase(A, FA, B, FB, C, FC);
+
+ createJIT(A.take());
+ TheJIT->addModule(B.take());
+ TheJIT->addModule(C.take());
+
+ 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) {
+ OwningPtr<Module> A, B, C;
+ Function *FA, *FB, *FC;
+ createThreeModuleCase(A, FA, B, FB, C, FC);
+
+ createJIT(A.take());
+ TheJIT->addModule(B.take());
+ TheJIT->addModule(C.take());
+
+ 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) {
+ OwningPtr<Module> A, B, C;
+ Function *FA, *FB, *FC;
+ createThreeModuleChainedCallsCase(A, FA, B, FB, C, FC);
+
+ createJIT(A.take());
+ TheJIT->addModule(B.take());
+ TheJIT->addModule(C.take());
+
+ 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) {
+ OwningPtr<Module> A, B, C;
+ Function *FA, *FB, *FC;
+ createThreeModuleChainedCallsCase(A, FA, B, FB, C, FC);
+
+ createJIT(A.take());
+ TheJIT->addModule(B.take());
+ TheJIT->addModule(C.take());
+
+ 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;
+
+ OwningPtr<Module> A, B;
+ Function *FA, *FB1, *FB2;
+ createCrossModuleRecursiveCase(A, FA, B, FB1, FB2);
+
+ createJIT(A.take());
+ TheJIT->addModule(B.take());
+
+ 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;
+
+ OwningPtr<Module> A, B;
+ Function *FA, *FB1, *FB2;
+ createCrossModuleRecursiveCase(A, FA, B, FB1, FB2);
+
+ createJIT(A.take());
+ TheJIT->addModule(B.take());
+
+ 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;
+
+ OwningPtr<Module> A, B;
+ Function *FA, *FB1, *FB2;
+ createCrossModuleRecursiveCase(A, FA, B, FB1, FB2);
+
+ createJIT(A.take());
+ TheJIT->addModule(B.take());
+
+ uint64_t ptr = TheJIT->getFunctionAddress(FB1->getName().str());
+ checkAccumulate(ptr);
+
+ ptr = TheJIT->getFunctionAddress(FB2->getName().str());
+ checkAccumulate(ptr);
+}
+}