|  | llvm-cov - emit coverage information | 
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|  | SYNOPSIS | 
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|  | **llvm-cov** [-gcno=filename] [-gcda=filename] [dump] | 
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|  | DESCRIPTION | 
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|  | The experimental **llvm-cov** tool reads in description file generated by compiler | 
|  | and coverage data file generated by instrumented program. This program assumes | 
|  | that the description and data file uses same format as gcov files. | 
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|  | OPTIONS | 
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|  | **-gcno=filename]** | 
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|  | This option selects input description file generated by compiler while instrumenting | 
|  | program. | 
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|  | **-gcda=filename]** | 
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|  | This option selects coverage data file generated by instrumented compiler. | 
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|  | **-dump** | 
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|  | This options enables output dump that is suitable for a developer to help debug | 
|  | **llvm-cov** itself. | 
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|  | EXIT STATUS | 
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|  | **llvm-cov** returns 1 if it cannot read input files. Otherwise, it exits with zero. |