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Soft float support for undef. Reported by Xerxes Rånby.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@68607 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Duncan Sands
2009-04-08 13:33:37 +00:00
parent 8ef2b89131
commit 7beb1ec298
3 changed files with 17 additions and 0 deletions
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5
lib/CodeGen/SelectionDAG/LegalizeFloatTypes.cpp
View File

@@ -90,6 +90,7 @@ 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::UNDEF: R = SoftenFloatRes_UNDEF(N); break;
case ISD::VAARG: R = SoftenFloatRes_VAARG(N); break;
}
@@ -464,6 +465,10 @@ SDValue DAGTypeLegalizer::SoftenFloatRes_SELECT_CC(SDNode *N) {
N->getOperand(1), LHS, RHS, N->getOperand(4));
}
SDValue DAGTypeLegalizer::SoftenFloatRes_UNDEF(SDNode *N) {
return DAG.getUNDEF(TLI.getTypeToTransformTo(N->getValueType(0)));
}
SDValue DAGTypeLegalizer::SoftenFloatRes_VAARG(SDNode *N) {
SDValue Chain = N->getOperand(0); // Get the chain.
SDValue Ptr = N->getOperand(1); // Get the pointer.

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

@@ -422,6 +422,7 @@ private:
SDValue SoftenFloatRes_LOAD(SDNode *N);
SDValue SoftenFloatRes_SELECT(SDNode *N);
SDValue SoftenFloatRes_SELECT_CC(SDNode *N);
SDValue SoftenFloatRes_UNDEF(SDNode *N);
SDValue SoftenFloatRes_VAARG(SDNode *N);
SDValue SoftenFloatRes_XINT_TO_FP(SDNode *N);