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Fixed comment for libcalls.

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llvm-svn: 67373
This commit is contained in:
Sanjiv Gupta 2009-03-20 14:10:20 +00:00
parent 15d6146126
commit d5c51dc50c
1 changed files with 21 additions and 18 deletions
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39
lib/Target/PIC16/PIC16ISelLowering.cpp
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@ -191,18 +191,21 @@ MVT PIC16TargetLowering::getSetCCResultType(MVT ValType) const {
return MVT::i8;
}
/// FIXME: These three functions below should not be here if we change
/// the generic code to allow generting libcalls for I8 types as well.
/// The type legalizer framework of generating legalizer can generate libcalls
/// only when the operand/result types are illegal.
/// PIC16 needs to generate libcalls even for the legal types (i8) for some ops.
/// For example an arithmetic right shift. These functions are used to lower
/// such operations that generate libcall for legal types.
void
PIC16TargetLowering::setPIC16LibcallName(PIC16ISD::PIC16Libcall Call,
const char *Name) {
PIC16LibcallNames[Call] = Name;
PIC16LibcallNames[Call] = Name;
}
const char *
PIC16TargetLowering::getPIC16LibcallName(PIC16ISD::PIC16Libcall Call) {
return PIC16LibcallNames[Call];
return PIC16LibcallNames[Call];
}
SDValue
@ -211,23 +214,23 @@ PIC16TargetLowering::MakePIC16Libcall(PIC16ISD::PIC16Libcall Call,
unsigned NumOps, bool isSigned,
SelectionDAG &DAG, DebugLoc dl) {
TargetLowering::ArgListTy Args;
Args.reserve(NumOps);
TargetLowering::ArgListTy Args;
Args.reserve(NumOps);
TargetLowering::ArgListEntry Entry;
for (unsigned i = 0; i != NumOps; ++i) {
Entry.Node = Ops[i];
Entry.Ty = Entry.Node.getValueType().getTypeForMVT();
Entry.isSExt = isSigned;
Entry.isZExt = !isSigned;
Args.push_back(Entry);
}
SDValue Callee = DAG.getExternalSymbol(getPIC16LibcallName(Call), MVT::i8);
TargetLowering::ArgListEntry Entry;
for (unsigned i = 0; i != NumOps; ++i) {
Entry.Node = Ops[i];
Entry.Ty = Entry.Node.getValueType().getTypeForMVT();
Entry.isSExt = isSigned;
Entry.isZExt = !isSigned;
Args.push_back(Entry);
}
SDValue Callee = DAG.getExternalSymbol(getPIC16LibcallName(Call), MVT::i8);
const Type *RetTy = RetVT.getTypeForMVT();
std::pair<SDValue,SDValue> CallInfo =
const Type *RetTy = RetVT.getTypeForMVT();
std::pair<SDValue,SDValue> CallInfo =
LowerCallTo(DAG.getEntryNode(), RetTy, isSigned, !isSigned, false,
false, CallingConv::C, false, Callee, Args, DAG, dl);
false, CallingConv::C, false, Callee, Args, DAG, dl);
return CallInfo.first;
}