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Add VectorTargetTransform::getNumberOfParts.

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As discussed on IRC, add VectorTargetTransform::getNumberOfParts
to provide a stable interface to the vector legalization splitting factor.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@166751 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Hal Finkel
2012-10-26 04:28:02 +00:00
parent 6b0db5f372
commit 102a7c088c
3 changed files with 15 additions and 0 deletions
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8
lib/Target/TargetTransformImpl.cpp
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@@ -196,3 +196,11 @@ VectorTargetTransformImpl::getMemoryOpCost(unsigned Opcode, Type *Src,
// Assume that all loads of legal types cost 1.
return LT.first;
}
unsigned
VectorTargetTransformImpl::getNumberOfParts(Type *Tp) const {
std::pair<unsigned, EVT> LT =
getTypeLegalizationCost(Tp->getContext(), TLI->getValueType(Tp));
return LT.first;
}