void IntrinsicEmitter::run(std::ostream &OS) {
EmitSourceFileHeader("Intrinsic Function Source Fragment", OS);
- std::vector<CodeGenIntrinsic> Ints = LoadIntrinsics(Records);
+ std::vector<CodeGenIntrinsic> Ints = LoadIntrinsics(Records, TargetOnly);
+
+ if (TargetOnly && !Ints.empty())
+ TargetPrefix = Ints[0].TargetPrefix;
// Emit the enum information.
EmitEnumInfo(Ints, OS);
// Emit the intrinsic ID -> name table.
EmitIntrinsicToNameTable(Ints, OS);
-
+
+ // Emit the intrinsic ID -> overload table.
+ EmitIntrinsicToOverloadTable(Ints, OS);
+
// Emit the function name recognizer.
EmitFnNameRecognizer(Ints, OS);
// Emit the intrinsic parameter attributes.
EmitAttributes(Ints, OS);
+ // Emit intrinsic alias analysis mod/ref behavior.
+ EmitModRefBehavior(Ints, OS);
+
// Emit a list of intrinsics with corresponding GCC builtins.
EmitGCCBuiltinList(Ints, OS);
if (Ints[I->second].isOverloaded)
OS << " if (Len > " << I->first.size()
<< " && !memcmp(Name, \"" << I->first << ".\", "
- << (I->first.size() + 1) << ")) return Intrinsic::"
+ << (I->first.size() + 1) << ")) return " << TargetPrefix << "Intrinsic::"
<< Ints[I->second].EnumName << ";\n";
else
OS << " if (Len == " << I->first.size()
<< " && !memcmp(Name, \"" << I->first << "\", "
- << I->first.size() << ")) return Intrinsic::"
+ << I->first.size() << ")) return " << TargetPrefix << "Intrinsic::"
<< Ints[I->second].EnumName << ";\n";
}
OS << " }\n";
OS << "#endif\n\n";
}
+void IntrinsicEmitter::
+EmitIntrinsicToOverloadTable(const std::vector<CodeGenIntrinsic> &Ints,
+ std::ostream &OS) {
+ OS << "// Intrinsic ID to overload table\n";
+ OS << "#ifdef GET_INTRINSIC_OVERLOAD_TABLE\n";
+ OS << " // Note that entry #0 is the invalid intrinsic!\n";
+ for (unsigned i = 0, e = Ints.size(); i != e; ++i) {
+ OS << " ";
+ if (Ints[i].isOverloaded)
+ OS << "true";
+ else
+ OS << "false";
+ OS << ",\n";
+ }
+ OS << "#endif\n\n";
+}
+
static void EmitTypeForValueType(std::ostream &OS, MVT::SimpleValueType VT) {
if (MVT(VT).isInteger()) {
unsigned BitWidth = MVT(VT).getSizeInBits();
Ints[i].IS.ParamTypeDefs)].push_back(i);
// Loop through the array, emitting one generator for each batch.
+ std::string IntrinsicStr = TargetPrefix + "Intrinsic::";
+
for (MapTy::iterator I = UniqueArgInfos.begin(),
E = UniqueArgInfos.end(); I != E; ++I) {
for (unsigned i = 0, e = I->second.size(); i != e; ++i)
- OS << " case Intrinsic::" << Ints[I->second[i]].EnumName << ":\t\t// "
- << Ints[I->second[i]].Name << "\n";
+ OS << " case " << IntrinsicStr << Ints[I->second[i]].EnumName
+ << ":\t\t// " << Ints[I->second[i]].Name << "\n";
const RecPair &ArgTypes = I->first;
const std::vector<Record*> &RetTys = ArgTypes.first;
EmitAttributes(const std::vector<CodeGenIntrinsic> &Ints, std::ostream &OS) {
OS << "// Add parameter attributes that are not common to all intrinsics.\n";
OS << "#ifdef GET_INTRINSIC_ATTRIBUTES\n";
- OS << "AttrListPtr Intrinsic::getAttributes(ID id) {";
+ if (TargetOnly)
+ OS << "static AttrListPtr getAttributes(" << TargetPrefix
+ << "Intrinsic::ID id) {";
+ else
+ OS << "AttrListPtr Intrinsic::getAttributes(ID id) {";
OS << " // No intrinsic can throw exceptions.\n";
OS << " Attributes Attr = Attribute::NoUnwind;\n";
OS << " switch (id) {\n";
switch (Ints[i].ModRef) {
default: break;
case CodeGenIntrinsic::NoMem:
- OS << " case Intrinsic::" << Ints[i].EnumName << ":\n";
+ OS << " case " << TargetPrefix << "Intrinsic::" << Ints[i].EnumName
+ << ":\n";
break;
}
}
default: break;
case CodeGenIntrinsic::ReadArgMem:
case CodeGenIntrinsic::ReadMem:
- OS << " case Intrinsic::" << Ints[i].EnumName << ":\n";
+ OS << " case " << TargetPrefix << "Intrinsic::" << Ints[i].EnumName
+ << ":\n";
break;
}
}
for (unsigned i = 0, e = Ints.size(); i != e; ++i) {
if (Ints[i].ArgumentAttributes.empty()) continue;
- OS << " case Intrinsic::" << Ints[i].EnumName << ":\n";
+ OS << " case " << TargetPrefix << "Intrinsic::" << Ints[i].EnumName
+ << ":\n";
std::vector<std::pair<unsigned, CodeGenIntrinsic::ArgAttribute> > ArgAttrs =
Ints[i].ArgumentAttributes;
OS << "#endif // GET_INTRINSIC_ATTRIBUTES\n\n";
}
+/// EmitModRefBehavior - Determine intrinsic alias analysis mod/ref behavior.
+void IntrinsicEmitter::
+EmitModRefBehavior(const std::vector<CodeGenIntrinsic> &Ints, std::ostream &OS){
+ OS << "// Determine intrinsic alias analysis mod/ref behavior.\n";
+ OS << "#ifdef GET_INTRINSIC_MODREF_BEHAVIOR\n";
+ OS << "switch (id) {\n";
+ OS << "default:\n return UnknownModRefBehavior;\n";
+ for (unsigned i = 0, e = Ints.size(); i != e; ++i) {
+ if (Ints[i].ModRef == CodeGenIntrinsic::WriteMem)
+ continue;
+ OS << "case " << TargetPrefix << "Intrinsic::" << Ints[i].EnumName
+ << ":\n";
+ switch (Ints[i].ModRef) {
+ default:
+ assert(false && "Unknown Mod/Ref type!");
+ case CodeGenIntrinsic::NoMem:
+ OS << " return DoesNotAccessMemory;\n";
+ break;
+ case CodeGenIntrinsic::ReadArgMem:
+ case CodeGenIntrinsic::ReadMem:
+ OS << " return OnlyReadsMemory;\n";
+ break;
+ case CodeGenIntrinsic::WriteArgMem:
+ OS << " return AccessesArguments;\n";
+ break;
+ }
+ }
+ OS << "}\n";
+ OS << "#endif // GET_INTRINSIC_MODREF_BEHAVIOR\n\n";
+}
+
void IntrinsicEmitter::
EmitGCCBuiltinList(const std::vector<CodeGenIntrinsic> &Ints, std::ostream &OS){
OS << "// Get the GCC builtin that corresponds to an LLVM intrinsic.\n";
typedef std::map<std::string, std::string>::const_iterator StrMapIterator;
static void EmitBuiltinComparisons(StrMapIterator Start, StrMapIterator End,
unsigned CharStart, unsigned Indent,
- std::ostream &OS) {
+ std::string TargetPrefix, std::ostream &OS) {
if (Start == End) return; // empty range.
// Determine what, if anything, is the same about all these strings.
OS << CommonString.size() - CharStart << "))\n";
++Indent;
}
- OS << std::string(Indent*2, ' ') << "IntrinsicID = Intrinsic::";
+ OS << std::string(Indent*2, ' ') << "IntrinsicID = " << TargetPrefix
+ << "Intrinsic::";
OS << Start->second << ";\n";
return;
}
OS << ", \"" << (CommonString.c_str()+CharStart) << "\", ";
OS << CommonString.size()-CharStart << ")) {\n";
- EmitBuiltinComparisons(Start, End, CommonString.size(), Indent+1, OS);
+ EmitBuiltinComparisons(Start, End, CommonString.size(), Indent+1,
+ TargetPrefix, OS);
OS << std::string(Indent*2, ' ') << "}\n";
return;
}
for (++NextChar; NextChar != End && NextChar->first[CharStart] == ThisChar;
++NextChar)
/*empty*/;
- EmitBuiltinComparisons(I, NextChar, CharStart+1, Indent+1, OS);
+ EmitBuiltinComparisons(I, NextChar, CharStart+1, Indent+1, TargetPrefix,OS);
OS << std::string(Indent*2, ' ') << " break;\n";
I = NextChar;
}
/// EmitTargetBuiltins - All of the builtins in the specified map are for the
/// same target, and we already checked it.
static void EmitTargetBuiltins(const std::map<std::string, std::string> &BIM,
+ const std::string &TargetPrefix,
std::ostream &OS) {
// Rearrange the builtins by length.
std::vector<std::map<std::string, std::string> > BuiltinsByLen;
if (BuiltinsByLen[i].empty()) continue;
OS << " case " << i << ":\n";
EmitBuiltinComparisons(BuiltinsByLen[i].begin(), BuiltinsByLen[i].end(),
- 0, 3, OS);
+ 0, 3, TargetPrefix, OS);
OS << " break;\n";
}
OS << " }\n";
OS << "// in as BuiltinName, and a target prefix (e.g. 'ppc') is passed\n";
OS << "// in as TargetPrefix. The result is assigned to 'IntrinsicID'.\n";
OS << "#ifdef GET_LLVM_INTRINSIC_FOR_GCC_BUILTIN\n";
- OS << " IntrinsicID = Intrinsic::not_intrinsic;\n";
+
+ if (TargetOnly) {
+ OS << "static " << TargetPrefix << "Intrinsic::ID "
+ << "getIntrinsicForGCCBuiltin(const char "
+ << "*TargetPrefix, const char *BuiltinName) {\n";
+ OS << " " << TargetPrefix << "Intrinsic::ID IntrinsicID = ";
+ } else {
+ OS << "Intrinsic::ID Intrinsic::getIntrinsicForGCCBuiltin(const char "
+ << "*TargetPrefix, const char *BuiltinName) {\n";
+ OS << " Intrinsic::ID IntrinsicID = ";
+ }
+
+ if (TargetOnly)
+ OS << "(" << TargetPrefix<< "Intrinsic::ID)";
+
+ OS << "Intrinsic::not_intrinsic;\n";
// Note: this could emit significantly better code if we cared.
for (BIMTy::iterator I = BuiltinMap.begin(), E = BuiltinMap.end();I != E;++I){
OS << "{\n";
// Emit the comparisons for this target prefix.
- EmitTargetBuiltins(I->second, OS);
+ EmitTargetBuiltins(I->second, TargetPrefix, OS);
OS << " }\n";
}
+ OS << " return IntrinsicID;\n";
+ OS << "}\n";
OS << "#endif\n\n";
}
projects / oota-llvm.git / blobdiff