[PATCH] D86020: [MemCpyOptimizer] Optimize passing byref function arguments down the stack

John McCall via Phabricator via cfe-commits cfe-commits at lists.llvm.org
Mon Aug 17 10:18:56 PDT 2020

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rjmccall added a comment.

Sorry, I tried to say thiis more succinctly before, but what exactly is the semantic property of `byref` that allows this optimization?


Repository:
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  https://reviews.llvm.org/D86020/new/

https://reviews.llvm.org/D86020

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