From 40966a7c6847c102fbf466da3e8726c59c3dbb1e Mon Sep 17 00:00:00 2001 From: Jeffrey Yasskin Date: Thu, 11 Feb 2010 01:07:39 +0000 Subject: Make it possible to create multiple JIT instances at the same time, by removing the global TheJIT and TheJITResolver variables. Lazy compilation is supported by a global map from a stub address to the JITResolver that knows how to compile it. Patch by Olivier Meurant! git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@95837 91177308-0d34-0410-b5e6-96231b3b80d8 --- unittests/ExecutionEngine/JIT/MultiJITTest.cpp | 164 +++++++++++++++++++++++++ 1 file changed, 164 insertions(+) create mode 100644 unittests/ExecutionEngine/JIT/MultiJITTest.cpp (limited to 'unittests') diff --git a/unittests/ExecutionEngine/JIT/MultiJITTest.cpp b/unittests/ExecutionEngine/JIT/MultiJITTest.cpp new file mode 100644 index 0000000000..8997d39836 --- /dev/null +++ b/unittests/ExecutionEngine/JIT/MultiJITTest.cpp @@ -0,0 +1,164 @@ +//===- MultiJITTest.cpp - Unit tests for instantiating multiple JITs ------===// +// +// The LLVM Compiler Infrastructure +// +// This file is distributed under the University of Illinois Open Source +// License. See LICENSE.TXT for details. +// +//===----------------------------------------------------------------------===// + +#include "gtest/gtest.h" +#include "llvm/LLVMContext.h" +#include "llvm/Module.h" +#include "llvm/Assembly/Parser.h" +#include "llvm/ExecutionEngine/GenericValue.h" +#include "llvm/ExecutionEngine/JIT.h" +#include "llvm/Support/SourceMgr.h" +#include + +using namespace llvm; + +namespace { + +bool LoadAssemblyInto(Module *M, const char *assembly) { + SMDiagnostic Error; + bool success = + NULL != ParseAssemblyString(assembly, M, Error, M->getContext()); + std::string errMsg; + raw_string_ostream os(errMsg); + Error.Print("", os); + EXPECT_TRUE(success) << os.str(); + return success; +} + +void createModule1(LLVMContext &Context1, Module *&M1, Function *&FooF1) { + M1 = new Module("test1", Context1); + LoadAssemblyInto(M1, + "define i32 @add1(i32 %ArgX1) { " + "entry: " + " %addresult = add i32 1, %ArgX1 " + " ret i32 %addresult " + "} " + " " + "define i32 @foo1() { " + "entry: " + " %add1 = call i32 @add1(i32 10) " + " ret i32 %add1 " + "} "); + FooF1 = M1->getFunction("foo1"); +} + +void createModule2(LLVMContext &Context2, Module *&M2, Function *&FooF2) { + M2 = new Module("test2", Context2); + LoadAssemblyInto(M2, + "define i32 @add2(i32 %ArgX2) { " + "entry: " + " %addresult = add i32 2, %ArgX2 " + " ret i32 %addresult " + "} " + " " + "define i32 @foo2() { " + "entry: " + " %add2 = call i32 @add2(i32 10) " + " ret i32 %add2 " + "} "); + FooF2 = M2->getFunction("foo2"); +} + +TEST(MultiJitTest, EagerMode) { + LLVMContext Context1; + Module *M1 = 0; + Function *FooF1 = 0; + createModule1(Context1, M1, FooF1); + + LLVMContext Context2; + Module *M2 = 0; + Function *FooF2 = 0; + createModule2(Context2, M2, FooF2); + + // Now we create the JIT in eager mode + OwningPtr EE1(EngineBuilder(M1).create()); + EE1->DisableLazyCompilation(true); + OwningPtr EE2(EngineBuilder(M2).create()); + EE2->DisableLazyCompilation(true); + + // Call the `foo' function with no arguments: + std::vector noargs; + GenericValue gv1 = EE1->runFunction(FooF1, noargs); + GenericValue gv2 = EE2->runFunction(FooF2, noargs); + + // Import result of execution: + EXPECT_EQ(gv1.IntVal, 11); + EXPECT_EQ(gv2.IntVal, 12); + + EE1->freeMachineCodeForFunction(FooF1); + EE2->freeMachineCodeForFunction(FooF2); +} + +TEST(MultiJitTest, LazyMode) { + LLVMContext Context1; + Module *M1 = 0; + Function *FooF1 = 0; + createModule1(Context1, M1, FooF1); + + LLVMContext Context2; + Module *M2 = 0; + Function *FooF2 = 0; + createModule2(Context2, M2, FooF2); + + // Now we create the JIT in lazy mode + OwningPtr EE1(EngineBuilder(M1).create()); + EE1->DisableLazyCompilation(false); + OwningPtr EE2(EngineBuilder(M2).create()); + EE2->DisableLazyCompilation(false); + + // Call the `foo' function with no arguments: + std::vector noargs; + GenericValue gv1 = EE1->runFunction(FooF1, noargs); + GenericValue gv2 = EE2->runFunction(FooF2, noargs); + + // Import result of execution: + EXPECT_EQ(gv1.IntVal, 11); + EXPECT_EQ(gv2.IntVal, 12); + + EE1->freeMachineCodeForFunction(FooF1); + EE2->freeMachineCodeForFunction(FooF2); +} + +extern "C" { + extern void *getPointerToNamedFunction(const char *Name); +} + +TEST(MultiJitTest, JitPool) { + LLVMContext Context1; + Module *M1 = 0; + Function *FooF1 = 0; + createModule1(Context1, M1, FooF1); + + LLVMContext Context2; + Module *M2 = 0; + Function *FooF2 = 0; + createModule2(Context2, M2, FooF2); + + // Now we create two JITs + OwningPtr EE1(EngineBuilder(M1).create()); + OwningPtr EE2(EngineBuilder(M2).create()); + + Function *F1 = EE1->FindFunctionNamed("foo1"); + void *foo1 = EE1->getPointerToFunction(F1); + + Function *F2 = EE2->FindFunctionNamed("foo2"); + void *foo2 = EE2->getPointerToFunction(F2); + + // Function in M1 + EXPECT_EQ(getPointerToNamedFunction("foo1"), foo1); + + // Function in M2 + EXPECT_EQ(getPointerToNamedFunction("foo2"), foo2); + + // Symbol search + EXPECT_EQ((intptr_t)getPointerToNamedFunction("getPointerToNamedFunction"), + (intptr_t)&getPointerToNamedFunction); +} + +} // anonymous namespace -- cgit v1.2.3