mirror of
https://github.com/c64scene-ar/llvm-6502.git
synced 2024-08-23 17:29:19 +00:00
Genericize the intrinsics descriptor decoding a bit to make room
for future expansion, no functionality change yet though. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@156979 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
parent
d7cf5eb021
commit
626b108619
@ -361,14 +361,12 @@ std::string Intrinsic::getName(ID id, ArrayRef<Type*> Tys) {
|
||||
#include "llvm/Intrinsics.gen"
|
||||
#undef GET_INTRINSTIC_GENERATOR_GLOBAL
|
||||
|
||||
static Type *DecodeFixedType(unsigned &TableVal, ArrayRef<Type*> Tys,
|
||||
LLVMContext &Context) {
|
||||
unsigned Nibble = TableVal & 0xF;
|
||||
TableVal >>= 4;
|
||||
|
||||
static Type *DecodeFixedType(unsigned &NextElt, ArrayRef<unsigned char> Infos,
|
||||
ArrayRef<Type*> Tys, LLVMContext &Context) {
|
||||
IIT_Info Info = IIT_Info(Infos[NextElt++]);
|
||||
unsigned StructElts = 2;
|
||||
|
||||
switch ((IIT_Info)Nibble) {
|
||||
switch (Info) {
|
||||
case IIT_Done: return Type::getVoidTy(Context);
|
||||
case IIT_I1: return Type::getInt1Ty(Context);
|
||||
case IIT_I8: return Type::getInt8Ty(Context);
|
||||
@ -381,28 +379,27 @@ static Type *DecodeFixedType(unsigned &TableVal, ArrayRef<Type*> Tys,
|
||||
case IIT_METADATA: return Type::Type::getMetadataTy(Context);
|
||||
case IIT_EMPTYSTRUCT: return StructType::get(Context);
|
||||
case IIT_V2:
|
||||
return VectorType::get(DecodeFixedType(TableVal, Tys, Context), 2);
|
||||
return VectorType::get(DecodeFixedType(NextElt, Infos, Tys, Context), 2);
|
||||
case IIT_V4:
|
||||
return VectorType::get(DecodeFixedType(TableVal, Tys, Context), 4);
|
||||
return VectorType::get(DecodeFixedType(NextElt, Infos, Tys, Context), 4);
|
||||
case IIT_V8:
|
||||
return VectorType::get(DecodeFixedType(TableVal, Tys, Context), 8);
|
||||
return VectorType::get(DecodeFixedType(NextElt, Infos, Tys, Context), 8);
|
||||
case IIT_V16:
|
||||
return VectorType::get(DecodeFixedType(TableVal, Tys, Context), 16);
|
||||
return VectorType::get(DecodeFixedType(NextElt, Infos, Tys, Context), 16);
|
||||
case IIT_V32:
|
||||
return VectorType::get(DecodeFixedType(TableVal, Tys, Context), 32);
|
||||
return VectorType::get(DecodeFixedType(NextElt, Infos, Tys, Context), 32);
|
||||
case IIT_PTR:
|
||||
return PointerType::getUnqual(DecodeFixedType(TableVal, Tys, Context));
|
||||
return PointerType::getUnqual(DecodeFixedType(NextElt, Infos, Tys,Context));
|
||||
case IIT_ARG:
|
||||
case IIT_EXTEND_VEC_ARG:
|
||||
case IIT_TRUNC_VEC_ARG: {
|
||||
unsigned ArgNo = TableVal & 0xF;
|
||||
TableVal >>= 4;
|
||||
unsigned ArgNo = NextElt == Infos.size() ? 0 : Infos[NextElt++];
|
||||
assert(ArgNo < Tys.size() && "Not enough types specified!");
|
||||
Type *T = Tys[ArgNo];
|
||||
|
||||
if (Nibble == IIT_EXTEND_VEC_ARG)
|
||||
if (Info == IIT_EXTEND_VEC_ARG)
|
||||
T = VectorType::getExtendedElementVectorType(cast<VectorType>(T));
|
||||
if (Nibble == IIT_TRUNC_VEC_ARG)
|
||||
if (Info == IIT_TRUNC_VEC_ARG)
|
||||
T = VectorType::getTruncatedElementVectorType(cast<VectorType>(T));
|
||||
return T;
|
||||
}
|
||||
@ -412,7 +409,7 @@ static Type *DecodeFixedType(unsigned &TableVal, ArrayRef<Type*> Tys,
|
||||
case IIT_STRUCT2: {
|
||||
Type *Elts[5];
|
||||
for (unsigned i = 0; i != StructElts; ++i)
|
||||
Elts[i] = DecodeFixedType(TableVal, Tys, Context);
|
||||
Elts[i] = DecodeFixedType(NextElt, Infos, Tys, Context);
|
||||
return StructType::get(Context, ArrayRef<Type*>(Elts, StructElts));
|
||||
}
|
||||
}
|
||||
@ -428,10 +425,18 @@ FunctionType *Intrinsic::getType(LLVMContext &Context,
|
||||
// Check to see if the intrinsic's type was expressible by the table.
|
||||
unsigned TableVal = IIT_Table[id-1];
|
||||
if (TableVal != ~0U) {
|
||||
ResultTy = DecodeFixedType(TableVal, Tys, Context);
|
||||
// Decode the TableVal into an array of IITValues.
|
||||
SmallVector<unsigned char, 8> IITValues;
|
||||
do {
|
||||
IITValues.push_back(TableVal & 0xF);
|
||||
TableVal >>= 4;
|
||||
} while (TableVal);
|
||||
|
||||
while (TableVal)
|
||||
ArgTys.push_back(DecodeFixedType(TableVal, Tys, Context));
|
||||
unsigned NextElt = 0;
|
||||
ResultTy = DecodeFixedType(NextElt, IITValues, Tys, Context);
|
||||
|
||||
while (NextElt != IITValues.size())
|
||||
ArgTys.push_back(DecodeFixedType(NextElt, IITValues, Tys, Context));
|
||||
|
||||
return FunctionType::get(ResultTy, ArgTys, false);
|
||||
}
|
||||
|
Loading…
Reference in New Issue
Block a user