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Patch by Filip Pizlo git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@180229 91177308-0d34-0410-b5e6-96231b3b80d8
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,93 @@ | ||
| //===- MCJITTest.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 basic MCJIT functionality when invoked form the C | ||
| // API. | ||
| // | ||
| //===----------------------------------------------------------------------===// | ||
|
|
||
| #include "llvm-c/Analysis.h" | ||
| #include "llvm-c/Core.h" | ||
| #include "llvm-c/ExecutionEngine.h" | ||
| #include "llvm-c/Target.h" | ||
| #include "llvm-c/Transforms/Scalar.h" | ||
| #include "llvm/Support/Host.h" | ||
| #include "MCJITTestAPICommon.h" | ||
| #include "gtest/gtest.h" | ||
|
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| using namespace llvm; | ||
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| class MCJITCAPITest : public testing::Test, public MCJITTestAPICommon { | ||
| protected: | ||
| MCJITCAPITest() { | ||
| // 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::arm); | ||
| SupportedArchs.push_back(Triple::mips); | ||
| SupportedArchs.push_back(Triple::x86); | ||
| SupportedArchs.push_back(Triple::x86_64); | ||
|
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| // The operating systems below are known to be sufficiently incompatible | ||
| // that they will fail the MCJIT C API tests. | ||
| UnsupportedOSs.push_back(Triple::Cygwin); | ||
| } | ||
| }; | ||
|
|
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| TEST_F(MCJITCAPITest, simple_function) { | ||
| SKIP_UNSUPPORTED_PLATFORM; | ||
|
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| char *error = 0; | ||
|
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| // Creates a function that returns 42, compiles it, and runs it. | ||
|
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| LLVMModuleRef module = LLVMModuleCreateWithName("simple_module"); | ||
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| LLVMValueRef function = LLVMAddFunction( | ||
| module, "simple_function", LLVMFunctionType(LLVMInt32Type(), 0, 0, 0)); | ||
| LLVMSetFunctionCallConv(function, LLVMCCallConv); | ||
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| LLVMBasicBlockRef entry = LLVMAppendBasicBlock(function, "entry"); | ||
| LLVMBuilderRef builder = LLVMCreateBuilder(); | ||
| LLVMPositionBuilderAtEnd(builder, entry); | ||
| LLVMBuildRet(builder, LLVMConstInt(LLVMInt32Type(), 42, 0)); | ||
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| LLVMVerifyModule(module, LLVMAbortProcessAction, &error); | ||
| LLVMDisposeMessage(error); | ||
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| LLVMDisposeBuilder(builder); | ||
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| LLVMMCJITCompilerOptions options; | ||
| memset(&options, 0, sizeof(options)); | ||
| options.OptLevel = 2; | ||
| options.NoFramePointerElim = false; // Just ensure that this field still exists. | ||
|
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| LLVMExecutionEngineRef engine; | ||
| ASSERT_EQ( | ||
| 0, LLVMCreateMCJITCompilerForModule(&engine, module, &options, sizeof(options), | ||
| &error)); | ||
|
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| LLVMPassManagerRef pass = LLVMCreatePassManager(); | ||
| LLVMAddTargetData(LLVMGetExecutionEngineTargetData(engine), pass); | ||
| LLVMAddConstantPropagationPass(pass); | ||
| LLVMAddInstructionCombiningPass(pass); | ||
| LLVMRunPassManager(pass, module); | ||
| LLVMDisposePassManager(pass); | ||
|
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| union { | ||
| void *raw; | ||
| int (*usable)(); | ||
| } functionPointer; | ||
| functionPointer.raw = LLVMGetPointerToGlobal(engine, function); | ||
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| EXPECT_EQ(42, functionPointer.usable()); | ||
|
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| LLVMDisposeExecutionEngine(engine); | ||
| } | ||
|
|
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,77 @@ | ||
| //===- 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. | ||
| // | ||
| //===----------------------------------------------------------------------===// | ||
|
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| #ifndef MCJIT_TEST_API_COMMON_H | ||
| #define MCJIT_TEST_API_COMMON_H | ||
|
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| #include "llvm/ADT/SmallVector.h" | ||
| #include "llvm/ADT/Triple.h" | ||
| #include "llvm/Support/Host.h" | ||
| #include "llvm/Support/TargetSelect.h" | ||
|
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| // 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) | ||
|
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| namespace llvm { | ||
|
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| class MCJITTestAPICommon { | ||
| protected: | ||
| MCJITTestAPICommon() | ||
| : HostTriple(sys::getProcessTriple()) | ||
| { | ||
| InitializeNativeTarget(); | ||
| InitializeNativeTargetAsmPrinter(); | ||
|
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| #ifdef LLVM_ON_WIN32 | ||
| // On Windows, generate ELF objects by specifying "-elf" in triple | ||
| HostTriple += "-elf"; | ||
| #endif // LLVM_ON_WIN32 | ||
| HostTriple = Triple::normalize(HostTriple); | ||
| } | ||
|
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| /// Returns true if the host architecture is known to support MCJIT | ||
| bool ArchSupportsMCJIT() { | ||
| Triple Host(HostTriple); | ||
| if (std::find(SupportedArchs.begin(), SupportedArchs.end(), Host.getArch()) | ||
| == SupportedArchs.end()) { | ||
| return false; | ||
| } | ||
| return true; | ||
| } | ||
|
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| /// Returns true if the host OS is known to support MCJIT | ||
| bool OSSupportsMCJIT() { | ||
| Triple Host(HostTriple); | ||
| if (std::find(UnsupportedOSs.begin(), UnsupportedOSs.end(), Host.getOS()) | ||
| == UnsupportedOSs.end()) { | ||
| return true; | ||
| } | ||
| return false; | ||
| } | ||
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| std::string HostTriple; | ||
| SmallVector<Triple::ArchType, 4> SupportedArchs; | ||
| SmallVector<Triple::OSType, 4> UnsupportedOSs; | ||
| }; | ||
|
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| } // namespace llvm | ||
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| #endif // MCJIT_TEST_API_COMMON_H | ||
|
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