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[CodeGen] Fix warning in getNode for EXTRACT_SUBVECTOR

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Fix a warning in getNode() when extracting a subvector from a
concat vector. We can simply replace the call to getVectorNumElements
with getVectorMinNumElements as this follows the defined behaviour
for EXTRACT_SUBVECTOR.

Differential Revision: https://reviews.llvm.org/D82746
This commit is contained in:
David Sherwood 2020-06-29 08:13:50 +01:00
parent d8d0afe0ce
commit 9dd94e95f6
1 changed files with 1 additions and 1 deletions
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2
lib/CodeGen/SelectionDAG/SelectionDAG.cpp
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@ -5566,7 +5566,7 @@ SDValue SelectionDAG::getNode(unsigned Opcode, const SDLoc &DL, EVT VT,
// the concat have the same type as the extract.
if (N2C && N1.getOpcode() == ISD::CONCAT_VECTORS &&
N1.getNumOperands() > 0 && VT == N1.getOperand(0).getValueType()) {
unsigned Factor = VT.getVectorNumElements();
unsigned Factor = VT.getVectorMinNumElements();
return N1.getOperand(N2C->getZExtValue() / Factor);
}