[PATCH] D78341: Change callbr to only define its output SSA variable on the normal path, not the indirect targets.

[Eli Friedman via Phabricator via llvm-commits]

efriedma added a comment.

> I'm more concerned now about what we should do in the front end for these cases

In the frontend, it should be impossible for the normal destination to be the same as an indirect destination.  Even if there's a label immediately after the asm goto, we should create an extra basic block between the asm goto and the label to emit whatever stores etc. are necessary.


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  https://reviews.llvm.org/D78341/new/

https://reviews.llvm.org/D78341