5.7.7.30 Rerun-cse-after-loop Option

The -frerun-cse-after-loop option reruns common subexpression elimination (CSE) optimizations after loop optimizations has been performed.

This option is automatically enabled at optimization levels -O2, -O3, and -Os.

The -fno-rerun-cse-after-loop form of this option does not rerun the CSE optimizations.

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