} else {
Ctx.emitError(ErrMsg);
}
- report_fatal_error("Cannot handle scalar-to-vector conversion!");
+ return DAG.getUNDEF(ValueVT);
}
if (ValueVT.getVectorNumElements() == 1 &&
DAG.AddDbgValue(SDV, Val.getNode(), false);
}
} else
- DEBUG(dbgs() << "Dropping debug info for " << DI << "\n");
+ DEBUG(dbgs() << "Dropping debug info for " << *DI << "\n");
DanglingDebugInfoMap[V] = DanglingDebugInfo();
}
}
// for the switch statement if the value being switched on exceeds the largest
// case in the switch.
SDValue CMP = DAG.getSetCC(getCurDebugLoc(),
- TLI.getSetCCResultType(Sub.getValueType()), Sub,
- DAG.getConstant(JTH.Last-JTH.First,VT),
+ TLI.getSetCCResultType(*DAG.getContext(),
+ Sub.getValueType()),
+ Sub,
+ DAG.getConstant(JTH.Last - JTH.First,VT),
ISD::SETUGT);
// Set NextBlock to be the MBB immediately after the current one, if any.
// Check range
SDValue RangeCmp = DAG.getSetCC(getCurDebugLoc(),
- TLI.getSetCCResultType(Sub.getValueType()),
+ TLI.getSetCCResultType(*DAG.getContext(),
+ Sub.getValueType()),
Sub, DAG.getConstant(B.Range, VT),
ISD::SETUGT);
// Testing for a single bit; just compare the shift count with what it
// would need to be to shift a 1 bit in that position.
Cmp = DAG.getSetCC(getCurDebugLoc(),
- TLI.getSetCCResultType(VT),
+ TLI.getSetCCResultType(*DAG.getContext(), VT),
ShiftOp,
- DAG.getConstant(CountTrailingZeros_64(B.Mask), VT),
+ DAG.getConstant(countTrailingZeros(B.Mask), VT),
ISD::SETEQ);
} else if (PopCount == BB.Range) {
// There is only one zero bit in the range, test for it directly.
Cmp = DAG.getSetCC(getCurDebugLoc(),
- TLI.getSetCCResultType(VT),
+ TLI.getSetCCResultType(*DAG.getContext(), VT),
ShiftOp,
DAG.getConstant(CountTrailingOnes_64(B.Mask), VT),
ISD::SETNE);
SDValue AndOp = DAG.getNode(ISD::AND, getCurDebugLoc(),
VT, SwitchVal, DAG.getConstant(B.Mask, VT));
Cmp = DAG.getSetCC(getCurDebugLoc(),
- TLI.getSetCCResultType(VT),
+ TLI.getSetCCResultType(*DAG.getContext(), VT),
AndOp, DAG.getConstant(0, VT),
ISD::SETNE);
}
setValue(&I, Res);
return 0;
}
+ case Intrinsic::annotation:
+ case Intrinsic::ptr_annotation:
+ // Drop the intrinsic, but forward the value
+ setValue(&I, getValue(I.getOperand(0)));
+ return 0;
case Intrinsic::var_annotation:
// Discard annotate attributes
return 0;
/// migrated to using LowerCall, this hook should be integrated into SDISel.
std::pair<SDValue, SDValue>
TargetLowering::LowerCallTo(TargetLowering::CallLoweringInfo &CLI) const {
+ // Handle the incoming return values from the call.
+ CLI.Ins.clear();
+ SmallVector<EVT, 4> RetTys;
+ ComputeValueVTs(*this, CLI.RetTy, RetTys);
+ for (unsigned I = 0, E = RetTys.size(); I != E; ++I) {
+ EVT VT = RetTys[I];
+ MVT RegisterVT = getRegisterType(CLI.RetTy->getContext(), VT);
+ unsigned NumRegs = getNumRegisters(CLI.RetTy->getContext(), VT);
+ for (unsigned i = 0; i != NumRegs; ++i) {
+ ISD::InputArg MyFlags;
+ MyFlags.VT = RegisterVT;
+ MyFlags.Used = CLI.IsReturnValueUsed;
+ if (CLI.RetSExt)
+ MyFlags.Flags.setSExt();
+ if (CLI.RetZExt)
+ MyFlags.Flags.setZExt();
+ if (CLI.IsInReg)
+ MyFlags.Flags.setInReg();
+ CLI.Ins.push_back(MyFlags);
+ }
+ }
+
// Handle all of the outgoing arguments.
CLI.Outs.clear();
CLI.OutVals.clear();
}
if (Args[i].isNest)
Flags.setNest();
- if (Args[i].isReturned)
- Flags.setReturned();
Flags.setOrigAlign(OriginalAlignment);
MVT PartVT = getRegisterType(CLI.RetTy->getContext(), VT);
else if (Args[i].isZExt)
ExtendKind = ISD::ZERO_EXTEND;
+ // Conservatively only handle 'returned' on non-vectors for now
+ if (Args[i].isReturned && !Op.getValueType().isVector()) {
+ assert(CLI.RetTy == Args[i].Ty && RetTys.size() == NumValues &&
+ "unexpected use of 'returned'");
+ // Before passing 'returned' to the target lowering code, ensure that
+ // either the register MVT and the actual EVT are the same size or that
+ // the return value and argument are extended in the same way; in these
+ // cases it's safe to pass the argument register value unchanged as the
+ // return register value (although it's at the target's option whether
+ // to do so)
+ // TODO: allow code generation to take advantage of partially preserved
+ // registers rather than clobbering the entire register when the
+ // parameter extension method is not compatible with the return
+ // extension method
+ if ((NumParts * PartVT.getSizeInBits() == VT.getSizeInBits()) ||
+ (ExtendKind != ISD::ANY_EXTEND &&
+ CLI.RetSExt == Args[i].isSExt && CLI.RetZExt == Args[i].isZExt))
+ Flags.setReturned();
+ }
+
getCopyToParts(CLI.DAG, CLI.DL, Op, &Parts[0], NumParts,
PartVT, CLI.CS ? CLI.CS->getInstruction() : 0, ExtendKind);
}
}
- // Handle the incoming return values from the call.
- CLI.Ins.clear();
- SmallVector<EVT, 4> RetTys;
- ComputeValueVTs(*this, CLI.RetTy, RetTys);
- for (unsigned I = 0, E = RetTys.size(); I != E; ++I) {
- EVT VT = RetTys[I];
- MVT RegisterVT = getRegisterType(CLI.RetTy->getContext(), VT);
- unsigned NumRegs = getNumRegisters(CLI.RetTy->getContext(), VT);
- for (unsigned i = 0; i != NumRegs; ++i) {
- ISD::InputArg MyFlags;
- MyFlags.VT = RegisterVT;
- MyFlags.Used = CLI.IsReturnValueUsed;
- if (CLI.RetSExt)
- MyFlags.Flags.setSExt();
- if (CLI.RetZExt)
- MyFlags.Flags.setZExt();
- if (CLI.IsInReg)
- MyFlags.Flags.setInReg();
- CLI.Ins.push_back(MyFlags);
- }
- }
-
SmallVector<SDValue, 4> InVals;
CLI.Chain = LowerCall(CLI, InVals);
// If this argument is unused then remember its value. It is used to generate
// debugging information.
- if (I->use_empty() && NumValues)
+ if (I->use_empty() && NumValues) {
SDB->setUnusedArgValue(I, InVals[i]);
+ // Also remember any frame index for use in FastISel.
+ if (FrameIndexSDNode *FI =
+ dyn_cast<FrameIndexSDNode>(InVals[i].getNode()))
+ FuncInfo->setArgumentFrameIndex(I, FI->getIndex());
+ }
+
for (unsigned Val = 0; Val != NumValues; ++Val) {
EVT VT = ValueVTs[Val];
MVT PartVT = TLI.getRegisterType(*CurDAG->getContext(), VT);
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