### opt_lifetimes

Controls the use of lifetime analysis optimization.

##### Syntax

#pragma opt_lifetimes on | off | reset

##### Targets

All platforms.

##### Remarks

If you enable this pragma, the compiler uses the same processor register for different variables that exist in the same routine but not in the same statement.

This pragma does not correspond to any panel setting. To check this setting, use __option (opt_lifetimes), described in Checking Settings. This settings is related to the “global_optimizer” level.