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ispowerof2
2018 Jan 29
0
Llvm support for non-power-of-2-sized vectors
Hi,
My target can support non-power-of-2-sized vectors. My first thought is to add the non-power-of-2 vector type to the function MVT::getVectorVT in MachineValueType.h, is this the correct approach?
I see code that checks for isPowOf2 for vectors in
lib<https://github.com/llvm-mirror/llvm/tree/master/lib>/CodeGen<https://github.com/llvm-mirror/llvm/tree/master/lib/CodeGen>/TargetLoweringBase.cpp
// FIXME: We don't support non-power-of-2-sized vectors for now. Ideally we
// could break down into LHS/RHS like...