Bradley Smith 0ce46a1d43 [AArch64][Driver][SVE] Allow -msve-vector-bits=<n>+ syntax to mean no maximum vscale ...

This patch splits the existing SveVectorBits LangOpt into VScaleMin and
VScaleMax LangOpts such that we can represent such an option. The cc1
option has also been split into -mvscale-{min,max}=<n> options so that the
cc1 arguments better reflect the vscale_range IR attribute.

Differential Revision: https://reviews.llvm.org/D111790

2021-10-25 11:10:52 +00:00

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