1 //===- MCJITTestBase.h - Common base class for MCJIT Unit tests ----------===// 2 // 3 // The LLVM Compiler Infrastructure 4 // 5 // This file is distributed under the University of Illinois Open Source 6 // License. See LICENSE.TXT for details. 7 // 8 //===----------------------------------------------------------------------===// 9 // 10 // This class implements functionality shared by both MCJIT C API tests, and 11 // the C++ API tests. 12 // 13 //===----------------------------------------------------------------------===// 14 15 #ifndef LLVM_UNITTESTS_EXECUTIONENGINE_MCJIT_MCJITTESTAPICOMMON_H 16 #define LLVM_UNITTESTS_EXECUTIONENGINE_MCJIT_MCJITTESTAPICOMMON_H 17 18 #include "llvm/ADT/SmallVector.h" 19 #include "llvm/ADT/Triple.h" 20 #include "llvm/IR/LegacyPassManager.h" 21 #include "llvm/InitializePasses.h" 22 #include "llvm/Support/Host.h" 23 #include "llvm/Support/TargetSelect.h" 24 25 // Used to skip tests on unsupported architectures and operating systems. 26 // To skip a test, add this macro at the top of a test-case in a suite that 27 // inherits from MCJITTestBase. See MCJITTest.cpp for examples. 28 #define SKIP_UNSUPPORTED_PLATFORM \ 29 do \ 30 if (!ArchSupportsMCJIT() || !OSSupportsMCJIT()) \ 31 return; \ 32 while(0) 33 34 namespace llvm { 35 36 class MCJITTestAPICommon { 37 protected: 38 MCJITTestAPICommon() 39 : HostTriple(sys::getProcessTriple()) 40 { 41 InitializeNativeTarget(); 42 InitializeNativeTargetAsmPrinter(); 43 44 // FIXME: It isn't at all clear why this is necesasry, but without it we 45 // fail to initialize the AssumptionCacheTracker. 46 initializeAssumptionCacheTrackerPass(*PassRegistry::getPassRegistry()); 47 48 #ifdef LLVM_ON_WIN32 49 // On Windows, generate ELF objects by specifying "-elf" in triple 50 HostTriple += "-elf"; 51 #endif // LLVM_ON_WIN32 52 HostTriple = Triple::normalize(HostTriple); 53 } 54 55 /// Returns true if the host architecture is known to support MCJIT 56 bool ArchSupportsMCJIT() { 57 Triple Host(HostTriple); 58 // If ARCH is not supported, bail 59 if (std::find(SupportedArchs.begin(), SupportedArchs.end(), Host.getArch()) 60 == SupportedArchs.end()) 61 return false; 62 63 // If ARCH is supported and has no specific sub-arch support 64 if (std::find(HasSubArchs.begin(), HasSubArchs.end(), Host.getArch()) 65 == HasSubArchs.end()) 66 return true; 67 68 // If ARCH has sub-arch support, find it 69 SmallVectorImpl<std::string>::const_iterator I = SupportedSubArchs.begin(); 70 for(; I != SupportedSubArchs.end(); ++I) 71 if (Host.getArchName().startswith(I->c_str())) 72 return true; 73 74 return false; 75 } 76 77 /// Returns true if the host OS is known to support MCJIT 78 bool OSSupportsMCJIT() { 79 Triple Host(HostTriple); 80 81 if (std::find(UnsupportedEnvironments.begin(), UnsupportedEnvironments.end(), 82 Host.getEnvironment()) != UnsupportedEnvironments.end()) 83 return false; 84 85 if (std::find(UnsupportedOSs.begin(), UnsupportedOSs.end(), Host.getOS()) 86 == UnsupportedOSs.end()) 87 return true; 88 89 return false; 90 } 91 92 std::string HostTriple; 93 SmallVector<Triple::ArchType, 4> SupportedArchs; 94 SmallVector<Triple::ArchType, 1> HasSubArchs; 95 SmallVector<std::string, 2> SupportedSubArchs; // We need to own the memory 96 SmallVector<Triple::OSType, 4> UnsupportedOSs; 97 SmallVector<Triple::EnvironmentType, 1> UnsupportedEnvironments; 98 }; 99 100 } // namespace llvm 101 102 #endif 103 104
