Petr Hosek 6660cec568 [InstrProfiling] Emit bias variable eagerly
Rather than emitting the bias variable lazily as needed, emit it
eagerly. This allows profile runtime to refer to this variable
unconditionally without having to use the weak reference. The bias
variable is in a COMDAT so there'll never be more than one instance,
and if it's not needed, linker should be able to GC it, so the overhead
should be minimal.

Differential Revision: https://reviews.llvm.org/D107377
2021-08-04 10:17:08 -07:00
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