diff options
Diffstat (limited to 'contrib/llvm/lib/Target/Blackfin/BlackfinIntrinsicInfo.cpp')
-rw-r--r-- | contrib/llvm/lib/Target/Blackfin/BlackfinIntrinsicInfo.cpp | 104 |
1 files changed, 104 insertions, 0 deletions
diff --git a/contrib/llvm/lib/Target/Blackfin/BlackfinIntrinsicInfo.cpp b/contrib/llvm/lib/Target/Blackfin/BlackfinIntrinsicInfo.cpp new file mode 100644 index 0000000..34a8d38 --- /dev/null +++ b/contrib/llvm/lib/Target/Blackfin/BlackfinIntrinsicInfo.cpp @@ -0,0 +1,104 @@ +//===- BlackfinIntrinsicInfo.cpp - Intrinsic Information --------*- 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 Blackfin implementation of TargetIntrinsicInfo. +// +//===----------------------------------------------------------------------===// + +#include "BlackfinIntrinsicInfo.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 bfinIntrinsic { + + enum ID { + last_non_bfin_intrinsic = Intrinsic::num_intrinsics-1, +#define GET_INTRINSIC_ENUM_VALUES +#include "BlackfinGenIntrinsics.inc" +#undef GET_INTRINSIC_ENUM_VALUES + , num_bfin_intrinsics + }; + +} + +std::string BlackfinIntrinsicInfo::getName(unsigned IntrID, const Type **Tys, + unsigned numTys) const { + static const char *const names[] = { +#define GET_INTRINSIC_NAME_TABLE +#include "BlackfinGenIntrinsics.inc" +#undef GET_INTRINSIC_NAME_TABLE + }; + + assert(!isOverloaded(IntrID) && "Blackfin intrinsics are not overloaded"); + if (IntrID < Intrinsic::num_intrinsics) + return 0; + assert(IntrID < bfinIntrinsic::num_bfin_intrinsics && "Invalid intrinsic ID"); + + std::string Result(names[IntrID - Intrinsic::num_intrinsics]); + return Result; +} + +unsigned +BlackfinIntrinsicInfo::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 "BlackfinGenIntrinsics.inc" +#undef GET_FUNCTION_RECOGNIZER + return 0; +} + +bool BlackfinIntrinsicInfo::isOverloaded(unsigned IntrID) const { + // Overload Table + const bool OTable[] = { +#define GET_INTRINSIC_OVERLOAD_TABLE +#include "BlackfinGenIntrinsics.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 "BlackfinGenIntrinsics.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 "BlackfinGenIntrinsics.inc" +#undef GET_INTRINSIC_GENERATOR + + return FunctionType::get(ResultTy, ArgTys, IsVarArg); +} + +Function *BlackfinIntrinsicInfo::getDeclaration(Module *M, unsigned IntrID, + const Type **Tys, + unsigned numTy) const { + assert(!isOverloaded(IntrID) && "Blackfin intrinsics are not overloaded"); + AttrListPtr AList = getAttributes((bfinIntrinsic::ID) IntrID); + return cast<Function>(M->getOrInsertFunction(getName(IntrID), + getType(M->getContext(), IntrID), + AList)); +} |