[llvm-dev] Attribute for Function that does not write to memory that outlives itself

William Moses via llvm-dev llvm-dev at lists.llvm.org
Fri Jan 3 11:11:50 PST 2020

Hi all,

Is there a function attribute or otherwise way to query whether a function
could write to memory that outlives itself?

For example writing to a global or memory passed in via a function argument
would be writing to memory that outlives the function, but writing to a
stack variable or allocation that isn't returned would not.

Billy Moses
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