[PATCH] D74651: Add IR constructs for inalloca replacement preallocated call setup

[Eli Friedman via Phabricator via llvm-commits]

efriedma added a comment.

> What about if we directly replace the llvm.call.preallocated.arg() with an alloca (as opposed to an alloca in the entry block)?

There can be more than one llvm.call.preallocated.arg referring to the same argument, so probably you'd want to insert the alloca at the point of the llvm.call.preallocated.setup.  But yes, that should work.


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  https://reviews.llvm.org/D74651/new/

https://reviews.llvm.org/D74651