1 //===- MBlazeIntrinsicInfo.cpp - Intrinsic Information -00-------*- C++ -*-===// 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 file contains the MBlaze implementation of TargetIntrinsicInfo. 11 // 12 //===----------------------------------------------------------------------===// 13 14 #include "MBlazeIntrinsicInfo.h" 15 #include "llvm/DerivedTypes.h" 16 #include "llvm/Function.h" 17 #include "llvm/Intrinsics.h" 18 #include "llvm/Module.h" 19 #include "llvm/Type.h" 20 #include "llvm/Support/raw_ostream.h" 21 #include <cstring> 22 23 using namespace llvm; 24 25 namespace mblazeIntrinsic { 26 27 enum ID { 28 last_non_mblaze_intrinsic = Intrinsic::num_intrinsics-1, 29 #define GET_INTRINSIC_ENUM_VALUES 30 #include "MBlazeGenIntrinsics.inc" 31 #undef GET_INTRINSIC_ENUM_VALUES 32 , num_mblaze_intrinsics 33 }; 34 35 #define GET_LLVM_INTRINSIC_FOR_GCC_BUILTIN 36 #include "MBlazeGenIntrinsics.inc" 37 #undef GET_LLVM_INTRINSIC_FOR_GCC_BUILTIN 38 } 39 40 std::string MBlazeIntrinsicInfo::getName(unsigned IntrID, Type **Tys, 41 unsigned numTys) const { 42 static const char *const names[] = { 43 #define GET_INTRINSIC_NAME_TABLE 44 #include "MBlazeGenIntrinsics.inc" 45 #undef GET_INTRINSIC_NAME_TABLE 46 }; 47 48 assert(!isOverloaded(IntrID) && "MBlaze intrinsics are not overloaded"); 49 if (IntrID < Intrinsic::num_intrinsics) 50 return 0; 51 assert(IntrID < mblazeIntrinsic::num_mblaze_intrinsics && 52 "Invalid intrinsic ID"); 53 54 std::string Result(names[IntrID - Intrinsic::num_intrinsics]); 55 return Result; 56 } 57 58 unsigned MBlazeIntrinsicInfo:: 59 lookupName(const char *Name, unsigned Len) const { 60 if (Len < 5 || Name[4] != '.' || Name[0] != 'l' || Name[1] != 'l' 61 || Name[2] != 'v' || Name[3] != 'm') 62 return 0; // All intrinsics start with 'llvm.' 63 64 #define GET_FUNCTION_RECOGNIZER 65 #include "MBlazeGenIntrinsics.inc" 66 #undef GET_FUNCTION_RECOGNIZER 67 return 0; 68 } 69 70 unsigned MBlazeIntrinsicInfo:: 71 lookupGCCName(const char *Name) const { 72 return mblazeIntrinsic::getIntrinsicForGCCBuiltin("mblaze",Name); 73 } 74 75 bool MBlazeIntrinsicInfo::isOverloaded(unsigned IntrID) const { 76 // Overload Table 77 const bool OTable[] = { 78 #define GET_INTRINSIC_OVERLOAD_TABLE 79 #include "MBlazeGenIntrinsics.inc" 80 #undef GET_INTRINSIC_OVERLOAD_TABLE 81 }; 82 if (IntrID == 0) 83 return false; 84 else 85 return OTable[IntrID - Intrinsic::num_intrinsics]; 86 } 87 88 /// This defines the "getAttributes(ID id)" method. 89 #define GET_INTRINSIC_ATTRIBUTES 90 #include "MBlazeGenIntrinsics.inc" 91 #undef GET_INTRINSIC_ATTRIBUTES 92 93 static FunctionType *getType(LLVMContext &Context, unsigned id) { 94 Type *ResultTy = NULL; 95 std::vector<Type*> ArgTys; 96 bool IsVarArg = false; 97 98 #define GET_INTRINSIC_GENERATOR 99 #include "MBlazeGenIntrinsics.inc" 100 #undef GET_INTRINSIC_GENERATOR 101 102 return FunctionType::get(ResultTy, ArgTys, IsVarArg); 103 } 104 105 Function *MBlazeIntrinsicInfo::getDeclaration(Module *M, unsigned IntrID, 106 Type **Tys, 107 unsigned numTy) const { 108 assert(!isOverloaded(IntrID) && "MBlaze intrinsics are not overloaded"); 109 AttrListPtr AList = getAttributes((mblazeIntrinsic::ID) IntrID); 110 return cast<Function>(M->getOrInsertFunction(getName(IntrID), 111 getType(M->getContext(), IntrID), 112 AList)); 113 } 114
