Rafael Auler 12380b8b06 Fix assembly after adding entry points ...

Summary:
When a given function B, located after function A, references
one of A's basic blocks, it registers a new global symbol at the
reference address and update A's Labels vector via
BinaryFunction::addEntryPoint(). However, we don't update A's branch
targets at this point. So we end up with an inconsistent CFG, where the
basic block names are global symbols, but the internal branch operands
are still referencing the old local name of the corresponding blocks
that got promoted to an entry point. This patch fix this by detecting
this situation in addEntryPoint and iterating over all instructions,
looking for references to the old symbol and replacing them to use the
new global symbol (since this is now an entry point).

Fixes facebookincubator/BOLT#26

(cherry picked from FBD8728407)

2018-07-03 11:57:46 -07:00

bolt

Fix assembly after adding entry points

2018-07-03 11:57:46 -07:00

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