1 //===-- llvm/Instrinsics.h - LLVM Intrinsic Function Handling ---*- C++ -*-===//
3 // The LLVM Compiler Infrastructure
5 // This file is distributed under the University of Illinois Open Source
6 // License. See LICENSE.TXT for details.
8 //===----------------------------------------------------------------------===//
10 // This file defines a set of enums which allow processing of intrinsic
11 // functions. Values of these enum types are returned by
12 // Function::getIntrinsicID.
14 //===----------------------------------------------------------------------===//
16 #ifndef LLVM_INTRINSICS_H
17 #define LLVM_INTRINSICS_H
30 /// Intrinsic Namespace - This namespace contains an enum with a value for
31 /// every intrinsic/builtin function known by LLVM. These enum values are
32 /// returned by Function::getIntrinsicID().
36 not_intrinsic = 0, // Must be zero
38 // Get the intrinsic enums generated from Intrinsics.td
39 #define GET_INTRINSIC_ENUM_VALUES
40 #include "llvm/Intrinsics.gen"
41 #undef GET_INTRINSIC_ENUM_VALUES
45 /// Intrinsic::getName(ID) - Return the LLVM name for an intrinsic, such as
46 /// "llvm.ppc.altivec.lvx".
47 std::string getName(ID id, const Type **Tys = 0, unsigned numTys = 0);
49 /// Intrinsic::getType(ID) - Return the function type for an intrinsic.
51 const FunctionType *getType(LLVMContext &Context, ID id,
52 const Type **Tys = 0, unsigned numTys = 0);
54 /// Intrinsic::isOverloaded(ID) - Returns true if the intrinsic can be
56 bool isOverloaded(ID id);
58 /// Intrinsic::getAttributes(ID) - Return the attributes for an intrinsic.
60 AttrListPtr getAttributes(ID id);
62 /// Intrinsic::getDeclaration(M, ID) - Create or insert an LLVM Function
63 /// declaration for an intrinsic, and return it.
65 /// The Tys and numTys parameters are for intrinsics with overloaded types
66 /// (e.g., those using iAny or fAny). For a declaration for an overloaded
67 /// intrinsic, Tys should point to an array of numTys pointers to Type,
68 /// and must provide exactly one type for each overloaded type in the
70 Function *getDeclaration(Module *M, ID id, const Type **Tys = 0,
73 /// Map a GCC builtin name to an intrinsic ID.
74 ID getIntrinsicForGCCBuiltin(const char *Prefix, const char *BuiltinName);
76 } // End Intrinsic namespace
78 } // End llvm namespace