[cfe-dev] Documentation on Clang Optimization Levels

[JonathanN]

Is there documentation about what types of optimizations clang performs with
the different optimization levels? For example, GCC documents somewhat the
optimization levels here:
http://gcc.gnu.org/onlinedocs/gcc/Optimize-Options.html

On that GCC page, they also state "You can invoke GCC with -Q
--help=optimizers to find out the exact set of optimizations that are
enabled at each level". Does Clang have something similar?



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