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Allow undef in a shuffle mask

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@27714 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Chris Lattner 2006-04-14 23:19:08 +00:00
parent f95670f6fc
commit b097aa9353
1 changed files with 1 additions and 0 deletions
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lib/Target/PowerPC/PPCISelLowering.cpp
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@ -416,6 +416,7 @@ bool PPC::isSplatShuffleMask(SDNode *N, unsigned EltSize) {
assert(isa<ConstantSDNode>(Elt) && "Invalid VECTOR_SHUFFLE mask!");
for (unsigned i = EltSize, e = 16; i != e; i += EltSize) {
if (N->getOperand(i).getOpcode() == ISD::UNDEF) continue;
assert(isa<ConstantSDNode>(N->getOperand(i)) &&
"Invalid VECTOR_SHUFFLE mask!");
for (unsigned j = 0; j != EltSize; ++j)