[PATCH] D28965: [PGO] Value profile for size of memory intrinsic calls

[David Li via Phabricator via llvm-commits]

davidxl added a comment.

See my comment in https://reviews.llvm.org/D28964.  There is no need to introduce runtime change nor new clang intrinsics.   The instrumentation lower can do the job of mapping the ranges. Another choice is to let the instrumenter does the range mapping work and keep the lowerer unchanged.


https://reviews.llvm.org/D28965