Matt Morehouse e2d0b44a7c [DFSan] Add efficient fast16labels instrumentation mode. ...

Adds the -fast-16-labels flag, which enables efficient instrumentation
for DFSan when the user needs <=16 labels.  The instrumentation
eliminates most branches and most calls to __dfsan_union or
__dfsan_union_load.

Reviewed By: vitalybuka

Differential Revision: https://reviews.llvm.org/D84371

2020-07-29 18:58:47 +00:00

9.9 KiB

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