X-Git-Url: http://demsky.eecs.uci.edu/git/?a=blobdiff_plain;f=include%2Fllvm%2FIntrinsics.h;h=c1fe4c67c44ed591c763a7dfd32b0e3837f8b856;hb=b09c146b116359616f6cbd4c8b3328607e00ff42;hp=e439476914f069b118d3dbb236fd6c9cd65cd0e5;hpb=e42dbed53ae145bd1b9b88c1903f0360904fea4e;p=oota-llvm.git diff --git a/include/llvm/Intrinsics.h b/include/llvm/Intrinsics.h index e439476914f..c1fe4c67c44 100644 --- a/include/llvm/Intrinsics.h +++ b/include/llvm/Intrinsics.h @@ -2,8 +2,8 @@ // // The LLVM Compiler Infrastructure // -// This file was developed by the LLVM research group and is distributed under -// the University of Illinois Open Source License. See LICENSE.TXT for details. +// This file is distributed under the University of Illinois Open Source +// License. See LICENSE.TXT for details. // //===----------------------------------------------------------------------===// // @@ -16,8 +16,18 @@ #ifndef LLVM_INTRINSICS_H #define LLVM_INTRINSICS_H +#include "llvm/ADT/ArrayRef.h" +#include + namespace llvm { +class Type; +class FunctionType; +class Function; +class LLVMContext; +class Module; +class AttributeSet; + /// Intrinsic Namespace - This namespace contains an enum with a value for /// every intrinsic/builtin function known by LLVM. These enum values are /// returned by Function::getIntrinsicID(). @@ -35,7 +45,82 @@ namespace Intrinsic { /// Intrinsic::getName(ID) - Return the LLVM name for an intrinsic, such as /// "llvm.ppc.altivec.lvx". - const char *getName(ID id); + std::string getName(ID id, ArrayRef Tys = ArrayRef()); + + /// Intrinsic::getType(ID) - Return the function type for an intrinsic. + /// + FunctionType *getType(LLVMContext &Context, ID id, + ArrayRef Tys = ArrayRef()); + + /// Intrinsic::isOverloaded(ID) - Returns true if the intrinsic can be + /// overloaded. + bool isOverloaded(ID id); + + /// Intrinsic::getAttributes(ID) - Return the attributes for an intrinsic. + /// + AttributeSet getAttributes(LLVMContext &C, ID id); + + /// Intrinsic::getDeclaration(M, ID) - Create or insert an LLVM Function + /// declaration for an intrinsic, and return it. + /// + /// The Tys and numTys parameters are for intrinsics with overloaded types + /// (e.g., those using iAny, fAny, vAny, or iPTRAny). For a declaration for an + /// overloaded intrinsic, Tys should point to an array of numTys pointers to + /// Type, and must provide exactly one type for each overloaded type in the + /// intrinsic. + Function *getDeclaration(Module *M, ID id, + ArrayRef Tys = ArrayRef()); + + /// Map a GCC builtin name to an intrinsic ID. + ID getIntrinsicForGCCBuiltin(const char *Prefix, const char *BuiltinName); + + /// IITDescriptor - This is a type descriptor which explains the type + /// requirements of an intrinsic. This is returned by + /// getIntrinsicInfoTableEntries. + struct IITDescriptor { + enum IITDescriptorKind { + Void, MMX, Metadata, Float, Double, + Integer, Vector, Pointer, Struct, + Argument, ExtendVecArgument, TruncVecArgument + } Kind; + + union { + unsigned Integer_Width; + unsigned Float_Width; + unsigned Vector_Width; + unsigned Pointer_AddressSpace; + unsigned Struct_NumElements; + unsigned Argument_Info; + }; + + enum ArgKind { + AK_AnyInteger, + AK_AnyFloat, + AK_AnyVector, + AK_AnyPointer + }; + unsigned getArgumentNumber() const { + assert(Kind == Argument || Kind == ExtendVecArgument || + Kind == TruncVecArgument); + return Argument_Info >> 2; + } + ArgKind getArgumentKind() const { + assert(Kind == Argument || Kind == ExtendVecArgument || + Kind == TruncVecArgument); + return (ArgKind)(Argument_Info&3); + } + + static IITDescriptor get(IITDescriptorKind K, unsigned Field) { + IITDescriptor Result = { K, { Field } }; + return Result; + } + }; + + /// getIntrinsicInfoTableEntries - Return the IIT table descriptor for the + /// specified intrinsic into an array of IITDescriptors. + /// + void getIntrinsicInfoTableEntries(ID id, SmallVectorImpl &T); + } // End Intrinsic namespace } // End llvm namespace