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Add a mention of the new `-Zllvm-time-trace` flag

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Wesley Wiser 2020-02-02 21:34:01 -05:00 committed by Who? Me?!
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@ -123,6 +123,8 @@ tutorial above):
- The `-Ztime-llvm-passes` option measures the time of each LLVM pass - The `-Ztime-llvm-passes` option measures the time of each LLVM pass
- The `-Zverify-llvm-ir` option will verify the LLVM IR for correctness - The `-Zverify-llvm-ir` option will verify the LLVM IR for correctness
- The `-Zno-parallel-llvm` will disable parallel compilation of distinct compilation units - The `-Zno-parallel-llvm` will disable parallel compilation of distinct compilation units
- The `-Zllvm-time-trace` option will output a Chrome profiler compatible JSON file
which contains details and timings for LLVM passes.
### Filing LLVM bug reports ### Filing LLVM bug reports