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When expanding a vector_shuffle, the element type may not be legal and may

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need to be promoted.  The BUILD_VECTOR and EXTRACT_VECTOR_ELT nodes generated
here already allow the promoted type to be used without further changes, so
just do the promotion.  This fixes part of pr7167.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@104141 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Bob Wilson 2010-05-19 18:48:32 +00:00
parent d94406a940
commit 14b2141497
1 changed files with 2 additions and 0 deletions
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lib/CodeGen/SelectionDAG/LegalizeDAG.cpp
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@ -2523,6 +2523,8 @@ void SelectionDAGLegalize::ExpandNode(SDNode *Node,
EVT VT = Node->getValueType(0);
EVT EltVT = VT.getVectorElementType();
if (getTypeAction(EltVT) == Promote)
EltVT = TLI.getTypeToTransformTo(*DAG.getContext(), EltVT);
unsigned NumElems = VT.getVectorNumElements();
SmallVector<SDValue, 8> Ops;
for (unsigned i = 0; i != NumElems; ++i) {