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bug 3610: Floating point vaarg not softened.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@65239 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Richard Pennington 2009-02-21 19:11:18 +00:00
parent 07bf7efa0a
commit 278f83daeb
2 changed files with 18 additions and 0 deletions
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17
lib/CodeGen/SelectionDAG/LegalizeFloatTypes.cpp
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@ -88,6 +88,7 @@ void DAGTypeLegalizer::SoftenFloatResult(SDNode *N, unsigned ResNo) {
case ISD::SELECT_CC: R = SoftenFloatRes_SELECT_CC(N); break;
case ISD::SINT_TO_FP:
case ISD::UINT_TO_FP: R = SoftenFloatRes_XINT_TO_FP(N); break;
case ISD::VAARG: R = SoftenFloatRes_VAARG(N); break;
}
// If R is null, the sub-method took care of registering the result.
@ -454,6 +455,22 @@ SDValue DAGTypeLegalizer::SoftenFloatRes_SELECT_CC(SDNode *N) {
N->getOperand(1), LHS, RHS, N->getOperand(4));
}
SDValue DAGTypeLegalizer::SoftenFloatRes_VAARG(SDNode *N) {
SDValue Chain = N->getOperand(0); // Get the chain.
SDValue Ptr = N->getOperand(1); // Get the pointer.
MVT VT = N->getValueType(0);
MVT NVT = TLI.getTypeToTransformTo(VT);
DebugLoc dl = N->getDebugLoc();
SDValue NewVAARG;
NewVAARG = DAG.getVAArg(NVT, dl, Chain, Ptr, N->getOperand(2));
// Legalized the chain result - switch anything that used the old chain to
// use the new one.
ReplaceValueWith(SDValue(N, 1), NewVAARG.getValue(1));
return NewVAARG;
}
SDValue DAGTypeLegalizer::SoftenFloatRes_XINT_TO_FP(SDNode *N) {
bool Signed = N->getOpcode() == ISD::SINT_TO_FP;
MVT SVT = N->getOperand(0).getValueType();

1
lib/CodeGen/SelectionDAG/LegalizeTypes.h
View File

@ -417,6 +417,7 @@ private:
SDValue SoftenFloatRes_LOAD(SDNode *N);
SDValue SoftenFloatRes_SELECT(SDNode *N);
SDValue SoftenFloatRes_SELECT_CC(SDNode *N);
SDValue SoftenFloatRes_VAARG(SDNode *N);
SDValue SoftenFloatRes_XINT_TO_FP(SDNode *N);
// Operand Float to Integer Conversion.