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authorPatrick Walton <pcwalton@fb.com>2022-11-05 01:08:57 -0700
committerkhei4 <kk.asano.luxy@gmail.com>2023-07-16 22:56:04 +0900
commit2d47816cbaebb3b8f400b11fa122feae00fd5c58 (patch)
tree790c456908b74596d709a0e5fb40dc812d72fd96 /compiler/rustc_codegen_llvm/src/errors.rs
parent55be59d2cefe33529a07b0e011384658c9240035 (diff)
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rustc_llvm: Add a `-Z print-llvm-stats` option to expose LLVM statistics.
LLVM has a neat [statistics] feature that tracks how often optimizations kick
in. It's very handy for optimization work. Since we expose the LLVM pass
timings, I thought it made sense to expose the LLVM statistics too.

[statistics]: https://llvm.org/docs/ProgrammersManual.html#the-statistic-class-stats-option
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