return Result;
}
-#define GET_INTRINSTIC_GENERATOR_GLOBAL
-#include "llvm/Intrinsics.gen"
-#undef GET_INTRINSTIC_GENERATOR_GLOBAL
-static Type *DecodeFixedType(unsigned &NextElt, ArrayRef<unsigned char> Infos,
- ArrayRef<Type*> Tys, LLVMContext &Context) {
+/// IIT_Info - These are enumerators that describe the entries returned by the
+/// getIntrinsicInfoTableEntries function.
+///
+/// NOTE: This must be kept in synch with the copy in TblGen/IntrinsicEmitter!
+enum IIT_Info {
+ // Common values should be encoded with 0-15.
+ IIT_Done = 0,
+ IIT_I1 = 1,
+ IIT_I8 = 2,
+ IIT_I16 = 3,
+ IIT_I32 = 4,
+ IIT_I64 = 5,
+ IIT_F32 = 6,
+ IIT_F64 = 7,
+ IIT_V2 = 8,
+ IIT_V4 = 9,
+ IIT_V8 = 10,
+ IIT_V16 = 11,
+ IIT_V32 = 12,
+ IIT_MMX = 13,
+ IIT_PTR = 14,
+ IIT_ARG = 15,
+
+ // Values from 16+ are only encodable with the inefficient encoding.
+ IIT_METADATA = 16,
+ IIT_EMPTYSTRUCT = 17,
+ IIT_STRUCT2 = 18,
+ IIT_STRUCT3 = 19,
+ IIT_STRUCT4 = 20,
+ IIT_STRUCT5 = 21,
+ IIT_EXTEND_VEC_ARG = 22,
+ IIT_TRUNC_VEC_ARG = 23,
+ IIT_ANYPTR = 24
+};
+
+
+static void DecodeIITType(unsigned &NextElt, ArrayRef<unsigned char> Infos,
+ SmallVectorImpl<Intrinsic::IITDescriptor> &OutputTable) {
IIT_Info Info = IIT_Info(Infos[NextElt++]);
unsigned StructElts = 2;
+ using namespace Intrinsic;
switch (Info) {
- case IIT_Done: return Type::getVoidTy(Context);
- case IIT_I1: return Type::getInt1Ty(Context);
- case IIT_I8: return Type::getInt8Ty(Context);
- case IIT_I16: return Type::getInt16Ty(Context);
- case IIT_I32: return Type::getInt32Ty(Context);
- case IIT_I64: return Type::getInt64Ty(Context);
- case IIT_F32: return Type::getFloatTy(Context);
- case IIT_F64: return Type::getDoubleTy(Context);
- case IIT_MMX: return Type::getX86_MMXTy(Context);
- case IIT_METADATA: return Type::getMetadataTy(Context);
- case IIT_EMPTYSTRUCT: return StructType::get(Context);
+ case IIT_Done:
+ OutputTable.push_back(IITDescriptor::get(IITDescriptor::Void, 0));
+ return;
+ case IIT_MMX:
+ OutputTable.push_back(IITDescriptor::get(IITDescriptor::MMX, 0));
+ return;
+ case IIT_METADATA:
+ OutputTable.push_back(IITDescriptor::get(IITDescriptor::Metadata, 0));
+ return;
+ case IIT_F32:
+ OutputTable.push_back(IITDescriptor::get(IITDescriptor::Float, 0));
+ return;
+ case IIT_F64:
+ OutputTable.push_back(IITDescriptor::get(IITDescriptor::Double, 0));
+ return;
+ case IIT_I1:
+ OutputTable.push_back(IITDescriptor::get(IITDescriptor::Integer, 1));
+ return;
+ case IIT_I8:
+ OutputTable.push_back(IITDescriptor::get(IITDescriptor::Integer, 8));
+ return;
+ case IIT_I16:
+ OutputTable.push_back(IITDescriptor::get(IITDescriptor::Integer,16));
+ return;
+ case IIT_I32:
+ OutputTable.push_back(IITDescriptor::get(IITDescriptor::Integer, 32));
+ return;
+ case IIT_I64:
+ OutputTable.push_back(IITDescriptor::get(IITDescriptor::Integer, 64));
+ return;
case IIT_V2:
- return VectorType::get(DecodeFixedType(NextElt, Infos, Tys, Context), 2);
+ OutputTable.push_back(IITDescriptor::get(IITDescriptor::Vector, 2));
+ DecodeIITType(NextElt, Infos, OutputTable);
+ return;
case IIT_V4:
- return VectorType::get(DecodeFixedType(NextElt, Infos, Tys, Context), 4);
+ OutputTable.push_back(IITDescriptor::get(IITDescriptor::Vector, 4));
+ DecodeIITType(NextElt, Infos, OutputTable);
+ return;
case IIT_V8:
- return VectorType::get(DecodeFixedType(NextElt, Infos, Tys, Context), 8);
+ OutputTable.push_back(IITDescriptor::get(IITDescriptor::Vector, 8));
+ DecodeIITType(NextElt, Infos, OutputTable);
+ return;
case IIT_V16:
- return VectorType::get(DecodeFixedType(NextElt, Infos, Tys, Context), 16);
+ OutputTable.push_back(IITDescriptor::get(IITDescriptor::Vector, 16));
+ DecodeIITType(NextElt, Infos, OutputTable);
+ return;
case IIT_V32:
- return VectorType::get(DecodeFixedType(NextElt, Infos, Tys, Context), 32);
- case IIT_PTR: {
- unsigned AddrSpace = Infos[NextElt++];
- Type *PtrTy = DecodeFixedType(NextElt, Infos, Tys,Context);
- return PointerType::get(PtrTy, AddrSpace);
+ OutputTable.push_back(IITDescriptor::get(IITDescriptor::Vector, 32));
+ DecodeIITType(NextElt, Infos, OutputTable);
+ return;
+ case IIT_PTR:
+ OutputTable.push_back(IITDescriptor::get(IITDescriptor::Pointer, 0));
+ DecodeIITType(NextElt, Infos, OutputTable);
+ return;
+ case IIT_ANYPTR: { // [ANYPTR addrspace, subtype]
+ OutputTable.push_back(IITDescriptor::get(IITDescriptor::Pointer,
+ Infos[NextElt++]));
+ DecodeIITType(NextElt, Infos, OutputTable);
+ return;
+ }
+ case IIT_ARG: {
+ unsigned ArgInfo = (NextElt == Infos.size() ? 0 : Infos[NextElt++]);
+ OutputTable.push_back(IITDescriptor::get(IITDescriptor::Argument, ArgInfo));
+ return;
+ }
+ case IIT_EXTEND_VEC_ARG: {
+ unsigned ArgInfo = (NextElt == Infos.size() ? 0 : Infos[NextElt++]);
+ OutputTable.push_back(IITDescriptor::get(IITDescriptor::ExtendVecArgument,
+ ArgInfo));
+ return;
}
- case IIT_ARG:
- case IIT_EXTEND_VEC_ARG:
case IIT_TRUNC_VEC_ARG: {
- unsigned ArgNo = NextElt == Infos.size() ? 0 : Infos[NextElt++];
- assert(ArgNo < Tys.size() && "Not enough types specified!");
- Type *T = Tys[ArgNo];
-
- if (Info == IIT_EXTEND_VEC_ARG)
- T = VectorType::getExtendedElementVectorType(cast<VectorType>(T));
- if (Info == IIT_TRUNC_VEC_ARG)
- T = VectorType::getTruncatedElementVectorType(cast<VectorType>(T));
- return T;
+ unsigned ArgInfo = (NextElt == Infos.size() ? 0 : Infos[NextElt++]);
+ OutputTable.push_back(IITDescriptor::get(IITDescriptor::TruncVecArgument,
+ ArgInfo));
+ return;
}
+ case IIT_EMPTYSTRUCT:
+ OutputTable.push_back(IITDescriptor::get(IITDescriptor::Struct, 0));
+ return;
case IIT_STRUCT5: ++StructElts; // FALL THROUGH.
case IIT_STRUCT4: ++StructElts; // FALL THROUGH.
case IIT_STRUCT3: ++StructElts; // FALL THROUGH.
case IIT_STRUCT2: {
- Type *Elts[5];
+ OutputTable.push_back(IITDescriptor::get(IITDescriptor::Struct,StructElts));
+
for (unsigned i = 0; i != StructElts; ++i)
- Elts[i] = DecodeFixedType(NextElt, Infos, Tys, Context);
- return StructType::get(Context, ArrayRef<Type*>(Elts, StructElts));
+ DecodeIITType(NextElt, Infos, OutputTable);
+ return;
}
}
llvm_unreachable("unhandled");
}
-
-FunctionType *Intrinsic::getType(LLVMContext &Context,
- ID id, ArrayRef<Type*> Tys) {
+
+#define GET_INTRINSIC_GENERATOR_GLOBAL
+#include "llvm/Intrinsics.gen"
+#undef GET_INTRINSIC_GENERATOR_GLOBAL
+
+void Intrinsic::getIntrinsicInfoTableEntries(ID id,
+ SmallVectorImpl<IITDescriptor> &T){
// Check to see if the intrinsic's type was expressible by the table.
unsigned TableVal = IIT_Table[id-1];
// Strip sentinel bit.
NextElt = (TableVal << 1) >> 1;
} else {
+ // Decode the TableVal into an array of IITValues. If the entry was encoded
+ // into a single word in the table itself, decode it now.
do {
IITValues.push_back(TableVal & 0xF);
TableVal >>= 4;
IITEntries = IITValues;
NextElt = 0;
}
-
- Type *ResultTy = DecodeFixedType(NextElt, IITEntries, Tys, Context);
+
+ // Okay, decode the table into the output vector of IITDescriptors.
+ DecodeIITType(NextElt, IITEntries, T);
+ while (NextElt != IITEntries.size() && IITEntries[NextElt] != 0)
+ DecodeIITType(NextElt, IITEntries, T);
+}
+
+
+static Type *DecodeFixedType(ArrayRef<Intrinsic::IITDescriptor> &Infos,
+ ArrayRef<Type*> Tys, LLVMContext &Context) {
+ using namespace Intrinsic;
+ IITDescriptor D = Infos.front();
+ Infos = Infos.slice(1);
+
+ switch (D.Kind) {
+ case IITDescriptor::Void: return Type::getVoidTy(Context);
+ case IITDescriptor::MMX: return Type::getX86_MMXTy(Context);
+ case IITDescriptor::Metadata: return Type::getMetadataTy(Context);
+ case IITDescriptor::Float: return Type::getFloatTy(Context);
+ case IITDescriptor::Double: return Type::getDoubleTy(Context);
+
+ case IITDescriptor::Integer:
+ return IntegerType::get(Context, D.Integer_Width);
+ case IITDescriptor::Vector:
+ return VectorType::get(DecodeFixedType(Infos, Tys, Context),D.Vector_Width);
+ case IITDescriptor::Pointer:
+ return PointerType::get(DecodeFixedType(Infos, Tys, Context),
+ D.Pointer_AddressSpace);
+ case IITDescriptor::Struct: {
+ Type *Elts[5];
+ assert(D.Struct_NumElements <= 5 && "Can't handle this yet");
+ for (unsigned i = 0, e = D.Struct_NumElements; i != e; ++i)
+ Elts[i] = DecodeFixedType(Infos, Tys, Context);
+ return StructType::get(Context, ArrayRef<Type*>(Elts,D.Struct_NumElements));
+ }
+
+ case IITDescriptor::Argument:
+ return Tys[D.getArgumentNumber()];
+ case IITDescriptor::ExtendVecArgument:
+ return VectorType::getExtendedElementVectorType(cast<VectorType>(
+ Tys[D.getArgumentNumber()]));
+
+ case IITDescriptor::TruncVecArgument:
+ return VectorType::getTruncatedElementVectorType(cast<VectorType>(
+ Tys[D.getArgumentNumber()]));
+ }
+ llvm_unreachable("unhandled");
+}
+
+
+
+FunctionType *Intrinsic::getType(LLVMContext &Context,
+ ID id, ArrayRef<Type*> Tys) {
+ SmallVector<IITDescriptor, 8> Table;
+ getIntrinsicInfoTableEntries(id, Table);
+
+ ArrayRef<IITDescriptor> TableRef = Table;
+ Type *ResultTy = DecodeFixedType(TableRef, Tys, Context);
SmallVector<Type*, 8> ArgTys;
- while (NextElt != IITEntries.size() && IITEntries[NextElt] != 0)
- ArgTys.push_back(DecodeFixedType(NextElt, IITEntries, Tys, Context));
+ while (!TableRef.empty())
+ ArgTys.push_back(DecodeFixedType(TableRef, Tys, Context));
return FunctionType::get(ResultTy, ArgTys, false);
}
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