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Code cleanups: Remove duplicated logic in PromotInteRes_BITCAST, reserve vector space, reuse types.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@133389 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Nadav Rotem 2011-06-19 10:49:57 +00:00
parent 0928c9e18a
commit 5b82c2f891
1 changed files with 5 additions and 7 deletions
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12
lib/CodeGen/SelectionDAG/LegalizeIntegerTypes.cpp
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@ -192,10 +192,6 @@ SDValue DAGTypeLegalizer::PromoteIntRes_BITCAST(SDNode *N) {
if (NOutVT.bitsEq(NInVT))
// The input promotes to the same size. Convert the promoted value.
return DAG.getNode(ISD::BITCAST, dl, NOutVT, GetPromotedInteger(InOp));
if (NInVT.isVector())
// Promote vector element via memory load/store.
return DAG.getNode(ISD::ANY_EXTEND, dl, NOutVT,
CreateStackStoreLoad(InOp, OutVT));
break;
case TargetLowering::TypeSoftenFloat:
// Promote the integer operand by hand.
@ -2729,13 +2725,14 @@ SDValue DAGTypeLegalizer::PromoteIntRes_EXTRACT_SUBVECTOR(SDNode *N) {
EVT OutVT = N->getValueType(0);
EVT NOutVT = TLI.getTypeToTransformTo(*DAG.getContext(), OutVT);
assert(NOutVT.isVector() && "This type must be promoted to a vector type");
unsigned OutNumElems = N->getValueType(0).getVectorNumElements();
unsigned OutNumElems = OutVT.getVectorNumElements();
EVT NOutVTElem = NOutVT.getVectorElementType();
DebugLoc dl = N->getDebugLoc();
SDValue BaseIdx = N->getOperand(1);
SmallVector<SDValue, 8> Ops;
Ops.reserve(OutNumElems);
for (unsigned i = 0; i != OutNumElems; ++i) {
// Extract the element from the original vector.
@ -2767,9 +2764,9 @@ SDValue DAGTypeLegalizer::PromoteIntRes_VECTOR_SHUFFLE(SDNode *N) {
SDValue V0 = GetPromotedInteger(N->getOperand(0));
SDValue V1 = GetPromotedInteger(N->getOperand(1));
EVT OutVT = TLI.getTypeToTransformTo(*DAG.getContext(), VT);
EVT OutVT = V0.getValueType();
return DAG.getVectorShuffle(OutVT, dl, V0,V1, &NewMask[0]);
return DAG.getVectorShuffle(OutVT, dl, V0, V1, &NewMask[0]);
}
@ -2783,6 +2780,7 @@ SDValue DAGTypeLegalizer::PromoteIntRes_BUILD_VECTOR(SDNode *N) {
DebugLoc dl = N->getDebugLoc();
SmallVector<SDValue, 8> Ops;
Ops.reserve(NumElems);
for (unsigned i = 0; i != NumElems; ++i) {
SDValue Op = DAG.getNode(ISD::ANY_EXTEND, dl, NOutVTElem, N->getOperand(i));
Ops.push_back(Op);