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165 lines
4.7 KiB
C++
165 lines
4.7 KiB
C++
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//===- MultiJITTest.cpp - Unit tests for instantiating multiple JITs ------===//
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//
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// The LLVM Compiler Infrastructure
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//
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// This file is distributed under the University of Illinois Open Source
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// License. See LICENSE.TXT for details.
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//
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//===----------------------------------------------------------------------===//
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#include "gtest/gtest.h"
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#include "llvm/LLVMContext.h"
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#include "llvm/Module.h"
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#include "llvm/Assembly/Parser.h"
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#include "llvm/ExecutionEngine/GenericValue.h"
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#include "llvm/ExecutionEngine/JIT.h"
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#include "llvm/Support/SourceMgr.h"
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#include <vector>
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using namespace llvm;
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namespace {
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bool LoadAssemblyInto(Module *M, const char *assembly) {
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SMDiagnostic Error;
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bool success =
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NULL != ParseAssemblyString(assembly, M, Error, M->getContext());
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std::string errMsg;
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raw_string_ostream os(errMsg);
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Error.Print("", os);
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EXPECT_TRUE(success) << os.str();
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return success;
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}
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void createModule1(LLVMContext &Context1, Module *&M1, Function *&FooF1) {
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M1 = new Module("test1", Context1);
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LoadAssemblyInto(M1,
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"define i32 @add1(i32 %ArgX1) { "
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"entry: "
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" %addresult = add i32 1, %ArgX1 "
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" ret i32 %addresult "
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"} "
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" "
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"define i32 @foo1() { "
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"entry: "
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" %add1 = call i32 @add1(i32 10) "
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" ret i32 %add1 "
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"} ");
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FooF1 = M1->getFunction("foo1");
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}
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void createModule2(LLVMContext &Context2, Module *&M2, Function *&FooF2) {
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M2 = new Module("test2", Context2);
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LoadAssemblyInto(M2,
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"define i32 @add2(i32 %ArgX2) { "
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"entry: "
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" %addresult = add i32 2, %ArgX2 "
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" ret i32 %addresult "
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"} "
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" "
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"define i32 @foo2() { "
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"entry: "
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" %add2 = call i32 @add2(i32 10) "
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" ret i32 %add2 "
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"} ");
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FooF2 = M2->getFunction("foo2");
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}
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TEST(MultiJitTest, EagerMode) {
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LLVMContext Context1;
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Module *M1 = 0;
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Function *FooF1 = 0;
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createModule1(Context1, M1, FooF1);
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LLVMContext Context2;
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Module *M2 = 0;
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Function *FooF2 = 0;
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createModule2(Context2, M2, FooF2);
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// Now we create the JIT in eager mode
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OwningPtr<ExecutionEngine> EE1(EngineBuilder(M1).create());
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EE1->DisableLazyCompilation(true);
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OwningPtr<ExecutionEngine> EE2(EngineBuilder(M2).create());
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EE2->DisableLazyCompilation(true);
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// Call the `foo' function with no arguments:
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std::vector<GenericValue> noargs;
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GenericValue gv1 = EE1->runFunction(FooF1, noargs);
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GenericValue gv2 = EE2->runFunction(FooF2, noargs);
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// Import result of execution:
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EXPECT_EQ(gv1.IntVal, 11);
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EXPECT_EQ(gv2.IntVal, 12);
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EE1->freeMachineCodeForFunction(FooF1);
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EE2->freeMachineCodeForFunction(FooF2);
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}
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TEST(MultiJitTest, LazyMode) {
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LLVMContext Context1;
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Module *M1 = 0;
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Function *FooF1 = 0;
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createModule1(Context1, M1, FooF1);
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LLVMContext Context2;
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Module *M2 = 0;
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Function *FooF2 = 0;
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createModule2(Context2, M2, FooF2);
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// Now we create the JIT in lazy mode
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OwningPtr<ExecutionEngine> EE1(EngineBuilder(M1).create());
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EE1->DisableLazyCompilation(false);
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OwningPtr<ExecutionEngine> EE2(EngineBuilder(M2).create());
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EE2->DisableLazyCompilation(false);
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// Call the `foo' function with no arguments:
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std::vector<GenericValue> noargs;
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GenericValue gv1 = EE1->runFunction(FooF1, noargs);
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GenericValue gv2 = EE2->runFunction(FooF2, noargs);
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// Import result of execution:
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EXPECT_EQ(gv1.IntVal, 11);
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EXPECT_EQ(gv2.IntVal, 12);
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EE1->freeMachineCodeForFunction(FooF1);
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EE2->freeMachineCodeForFunction(FooF2);
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}
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extern "C" {
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extern void *getPointerToNamedFunction(const char *Name);
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}
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TEST(MultiJitTest, JitPool) {
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LLVMContext Context1;
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Module *M1 = 0;
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Function *FooF1 = 0;
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createModule1(Context1, M1, FooF1);
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LLVMContext Context2;
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Module *M2 = 0;
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Function *FooF2 = 0;
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createModule2(Context2, M2, FooF2);
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// Now we create two JITs
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OwningPtr<ExecutionEngine> EE1(EngineBuilder(M1).create());
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OwningPtr<ExecutionEngine> EE2(EngineBuilder(M2).create());
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Function *F1 = EE1->FindFunctionNamed("foo1");
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void *foo1 = EE1->getPointerToFunction(F1);
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Function *F2 = EE2->FindFunctionNamed("foo2");
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void *foo2 = EE2->getPointerToFunction(F2);
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// Function in M1
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EXPECT_EQ(getPointerToNamedFunction("foo1"), foo1);
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// Function in M2
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EXPECT_EQ(getPointerToNamedFunction("foo2"), foo2);
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// Symbol search
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EXPECT_EQ((intptr_t)getPointerToNamedFunction("getPointerToNamedFunction"),
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(intptr_t)&getPointerToNamedFunction);
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}
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} // anonymous namespace
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