lib/IR/VFABIDemangler.cpp

76 /// unsigned integer will be directly used as a VF. On success, the `<vlen>`
83       LLVM_DEBUG(dbgs() << "Vector function variant declared with scalable VF "
87     // We can't determine the VF of a scalable vector by looking at the vlen
89     // for the scalable field with an invalid VF field so that we know to look
90     // up the actual VF based on element types from the parameters or return.
95   unsigned VF = 0;
96   if (ParseString.consumeInteger(10, VF))
100   if (VF == 0)
103   ParsedVF = {VF, false};
296 // Returns the 'natural' VF for a given scalar element type, based on the
300 // mangling), we assume a minimum vector size of 128b and return a VF based on
306          "Scalable VF decoding only implemented for SVE\n");
329     // Only vector parameters are used when determining the VF; uniform or
330     // linear are left as scalars, so do not affect VF.
336       // VF.
340       // Find the smallest VF, based on the widest scalar type.
350     // If we have an unknown scalar element type we can't find a reasonable VF.
357   // The SVE Vector function call ABI bases the VF on the widest element types
551   ElementCount VF = Info.Shape.VF;
556           VectorType::get(Type::getInt1Ty(ScalarFTy->getContext()), VF);
563       OperandTy = VectorType::get(OperandTy, VF);
569     RetTy = VectorType::get(RetTy, VF);