[Unity][Bugfix] Track variable usage from input to impure functions #16036
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Prior to this commit, pure arguments to impure functions could be erroneously removed, if the impure function's result is unused. This commit updates the variable usage tracking in dead-code elimination to consider both function return values and arguments to impure functions as externally-exposed values.
tqchen
approved these changes
Nov 7, 2023
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Prior to this commit, pure arguments to impure functions could be erroneously removed, if the impure function's result is unused. This commit updates the variable usage tracking in dead-code elimination to consider both function return values and arguments to impure functions as externally-exposed values.