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35ee7d6e04
intrinsics. The intrinsic lookup code assumes that this check has been done and assumes the names are at least 6 characters long. Valgrind complained about this. pr6638. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@98831 91177308-0d34-0410-b5e6-96231b3b80d8
105 lines
3.2 KiB
C++
105 lines
3.2 KiB
C++
//===- BlackfinIntrinsicInfo.cpp - Intrinsic Information --------*- C++ -*-===//
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//
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// The LLVM Compiler Infrastructure
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//
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// This file is distributed under the University of Illinois Open Source
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// License. See LICENSE.TXT for details.
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//
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//===----------------------------------------------------------------------===//
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//
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// This file contains the Blackfin implementation of TargetIntrinsicInfo.
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//
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//===----------------------------------------------------------------------===//
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#include "BlackfinIntrinsicInfo.h"
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#include "llvm/DerivedTypes.h"
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#include "llvm/Function.h"
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#include "llvm/Intrinsics.h"
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#include "llvm/Module.h"
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#include "llvm/Type.h"
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#include "llvm/Support/raw_ostream.h"
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#include <cstring>
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using namespace llvm;
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namespace bfinIntrinsic {
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enum ID {
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last_non_bfin_intrinsic = Intrinsic::num_intrinsics-1,
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#define GET_INTRINSIC_ENUM_VALUES
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#include "BlackfinGenIntrinsics.inc"
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#undef GET_INTRINSIC_ENUM_VALUES
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, num_bfin_intrinsics
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};
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}
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std::string BlackfinIntrinsicInfo::getName(unsigned IntrID, const Type **Tys,
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unsigned numTys) const {
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static const char *const names[] = {
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#define GET_INTRINSIC_NAME_TABLE
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#include "BlackfinGenIntrinsics.inc"
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#undef GET_INTRINSIC_NAME_TABLE
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};
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assert(!isOverloaded(IntrID) && "Blackfin intrinsics are not overloaded");
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if (IntrID < Intrinsic::num_intrinsics)
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return 0;
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assert(IntrID < bfinIntrinsic::num_bfin_intrinsics && "Invalid intrinsic ID");
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std::string Result(names[IntrID - Intrinsic::num_intrinsics]);
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return Result;
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}
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unsigned
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BlackfinIntrinsicInfo::lookupName(const char *Name, unsigned Len) const {
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if (Len < 5 || Name[4] != '.' || Name[0] != 'l' || Name[1] != 'l'
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|| Name[2] != 'v' || Name[3] != 'm')
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return 0; // All intrinsics start with 'llvm.'
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#define GET_FUNCTION_RECOGNIZER
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#include "BlackfinGenIntrinsics.inc"
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#undef GET_FUNCTION_RECOGNIZER
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return 0;
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}
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bool BlackfinIntrinsicInfo::isOverloaded(unsigned IntrID) const {
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// Overload Table
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const bool OTable[] = {
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#define GET_INTRINSIC_OVERLOAD_TABLE
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#include "BlackfinGenIntrinsics.inc"
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#undef GET_INTRINSIC_OVERLOAD_TABLE
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};
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if (IntrID == 0)
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return false;
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else
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return OTable[IntrID - Intrinsic::num_intrinsics];
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}
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/// This defines the "getAttributes(ID id)" method.
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#define GET_INTRINSIC_ATTRIBUTES
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#include "BlackfinGenIntrinsics.inc"
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#undef GET_INTRINSIC_ATTRIBUTES
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static const FunctionType *getType(LLVMContext &Context, unsigned id) {
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const Type *ResultTy = NULL;
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std::vector<const Type*> ArgTys;
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bool IsVarArg = false;
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#define GET_INTRINSIC_GENERATOR
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#include "BlackfinGenIntrinsics.inc"
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#undef GET_INTRINSIC_GENERATOR
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return FunctionType::get(ResultTy, ArgTys, IsVarArg);
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}
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Function *BlackfinIntrinsicInfo::getDeclaration(Module *M, unsigned IntrID,
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const Type **Tys,
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unsigned numTy) const {
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assert(!isOverloaded(IntrID) && "Blackfin intrinsics are not overloaded");
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AttrListPtr AList = getAttributes((bfinIntrinsic::ID) IntrID);
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return cast<Function>(M->getOrInsertFunction(getName(IntrID),
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getType(M->getContext(), IntrID),
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AList));
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}
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