diff options
Diffstat (limited to 'contrib/llvm/lib/Target/MBlaze/MBlazeIntrinsicInfo.cpp')
-rw-r--r-- | contrib/llvm/lib/Target/MBlaze/MBlazeIntrinsicInfo.cpp | 113 |
1 files changed, 113 insertions, 0 deletions
diff --git a/contrib/llvm/lib/Target/MBlaze/MBlazeIntrinsicInfo.cpp b/contrib/llvm/lib/Target/MBlaze/MBlazeIntrinsicInfo.cpp new file mode 100644 index 0000000..4931860 --- /dev/null +++ b/contrib/llvm/lib/Target/MBlaze/MBlazeIntrinsicInfo.cpp @@ -0,0 +1,113 @@ +//===- MBlazeIntrinsicInfo.cpp - Intrinsic Information -00-------*- C++ -*-===// +// +// The LLVM Compiler Infrastructure +// +// This file is distributed under the University of Illinois Open Source +// License. See LICENSE.TXT for details. +// +//===----------------------------------------------------------------------===// +// +// This file contains the MBlaze implementation of TargetIntrinsicInfo. +// +//===----------------------------------------------------------------------===// + +#include "MBlazeIntrinsicInfo.h" +#include "llvm/DerivedTypes.h" +#include "llvm/Function.h" +#include "llvm/Intrinsics.h" +#include "llvm/Module.h" +#include "llvm/Type.h" +#include "llvm/Support/raw_ostream.h" +#include <cstring> + +using namespace llvm; + +namespace mblazeIntrinsic { + + enum ID { + last_non_mblaze_intrinsic = Intrinsic::num_intrinsics-1, +#define GET_INTRINSIC_ENUM_VALUES +#include "MBlazeGenIntrinsics.inc" +#undef GET_INTRINSIC_ENUM_VALUES + , num_mblaze_intrinsics + }; + +#define GET_LLVM_INTRINSIC_FOR_GCC_BUILTIN +#include "MBlazeGenIntrinsics.inc" +#undef GET_LLVM_INTRINSIC_FOR_GCC_BUILTIN +} + +std::string MBlazeIntrinsicInfo::getName(unsigned IntrID, const Type **Tys, + unsigned numTys) const { + static const char *const names[] = { +#define GET_INTRINSIC_NAME_TABLE +#include "MBlazeGenIntrinsics.inc" +#undef GET_INTRINSIC_NAME_TABLE + }; + + assert(!isOverloaded(IntrID) && "MBlaze intrinsics are not overloaded"); + if (IntrID < Intrinsic::num_intrinsics) + return 0; + assert(IntrID < mblazeIntrinsic::num_mblaze_intrinsics && + "Invalid intrinsic ID"); + + std::string Result(names[IntrID - Intrinsic::num_intrinsics]); + return Result; +} + +unsigned MBlazeIntrinsicInfo:: +lookupName(const char *Name, unsigned Len) const { + if (Len < 5 || Name[4] != '.' || Name[0] != 'l' || Name[1] != 'l' + || Name[2] != 'v' || Name[3] != 'm') + return 0; // All intrinsics start with 'llvm.' + +#define GET_FUNCTION_RECOGNIZER +#include "MBlazeGenIntrinsics.inc" +#undef GET_FUNCTION_RECOGNIZER + return 0; +} + +unsigned MBlazeIntrinsicInfo:: +lookupGCCName(const char *Name) const { + return mblazeIntrinsic::getIntrinsicForGCCBuiltin("mblaze",Name); +} + +bool MBlazeIntrinsicInfo::isOverloaded(unsigned IntrID) const { + // Overload Table + const bool OTable[] = { +#define GET_INTRINSIC_OVERLOAD_TABLE +#include "MBlazeGenIntrinsics.inc" +#undef GET_INTRINSIC_OVERLOAD_TABLE + }; + if (IntrID == 0) + return false; + else + return OTable[IntrID - Intrinsic::num_intrinsics]; +} + +/// This defines the "getAttributes(ID id)" method. +#define GET_INTRINSIC_ATTRIBUTES +#include "MBlazeGenIntrinsics.inc" +#undef GET_INTRINSIC_ATTRIBUTES + +static const FunctionType *getType(LLVMContext &Context, unsigned id) { + const Type *ResultTy = NULL; + std::vector<const Type*> ArgTys; + bool IsVarArg = false; + +#define GET_INTRINSIC_GENERATOR +#include "MBlazeGenIntrinsics.inc" +#undef GET_INTRINSIC_GENERATOR + + return FunctionType::get(ResultTy, ArgTys, IsVarArg); +} + +Function *MBlazeIntrinsicInfo::getDeclaration(Module *M, unsigned IntrID, + const Type **Tys, + unsigned numTy) const { + assert(!isOverloaded(IntrID) && "MBlaze intrinsics are not overloaded"); + AttrListPtr AList = getAttributes((mblazeIntrinsic::ID) IntrID); + return cast<Function>(M->getOrInsertFunction(getName(IntrID), + getType(M->getContext(), IntrID), + AList)); +} |