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Add support for targets that have a legal ISD::TRAP.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@46014 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Chris Lattner 2008-01-15 21:58:08 +00:00
parent 9a79de3d09
commit 41bab0beac
2 changed files with 12 additions and 4 deletions
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13
lib/CodeGen/SelectionDAG/LegalizeDAG.cpp
View File

@ -3734,24 +3734,29 @@ SDOperand SelectionDAGLegalize::LegalizeOp(SDOperand Op) {
break;
}
}
case ISD::TRAP: {
case ISD::TRAP: {
MVT::ValueType VT = Node->getValueType(0);
switch (TLI.getOperationAction(Node->getOpcode(), VT)) {
default: assert(0 && "This action not supported for this op yet!");
case TargetLowering::Legal:
Tmp1 = LegalizeOp(Node->getOperand(0));
Result = DAG.UpdateNodeOperands(Result, Tmp1);
break;
case TargetLowering::Custom:
Result = TLI.LowerOperation(Op, DAG);
if (Result.Val) break;
// Fall Thru
case TargetLowering::Legal:
case TargetLowering::Expand:
// If this operation is not supported, lower it to 'abort()' call
SDOperand Chain = LegalizeOp(Node->getOperand(0));
Tmp1 = LegalizeOp(Node->getOperand(0));
TargetLowering::ArgListTy Args;
std::pair<SDOperand,SDOperand> CallResult =
TLI.LowerCallTo(Chain, Type::VoidTy, false, false, CallingConv::C, false,
TLI.LowerCallTo(Tmp1, Type::VoidTy, false, false, CallingConv::C, false,
DAG.getExternalSymbol("abort", MVT::Other), Args, DAG);
Result = CallResult.second;
break;
}
break;
}
}

3
lib/CodeGen/SelectionDAG/TargetLowering.cpp
View File

@ -175,6 +175,9 @@ TargetLowering::TargetLowering(TargetMachine &tm)
setOperationAction(ISD::FGETSIGN, (MVT::ValueType)VT, Expand);
}
// Default ISD::TRAP to expand (which turns it into abort).
setOperationAction(ISD::TRAP, MVT::Other, Expand);
IsLittleEndian = TD->isLittleEndian();
UsesGlobalOffsetTable = false;
ShiftAmountTy = SetCCResultTy = PointerTy = getValueType(TD->getIntPtrType());