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 23using namespace llvm; 24 25namespace 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 40std::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 58unsigned MBlazeIntrinsicInfo:: 59lookupName(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 70unsigned MBlazeIntrinsicInfo:: 71lookupGCCName(const char *Name) const { 72 return mblazeIntrinsic::getIntrinsicForGCCBuiltin("mblaze",Name); 73} 74 75bool 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 93static 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 105Function *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