opt(2) - man - phpman

Run optimizations and analyze LLVM source files.

• Run an optimization or analysis on a bitcode file
  opt -{{passname}} {{path/to/file.bc}} -S -o {{file_opt.bc}}
• Output the Control Flow Graph of a function to a `.dot` file
  opt {{dot-cfg}} -S {{path/to/file.bc}} -disable-output
• Optimize the program at level 2 and output the result to another file
  opt -O2 {{path/to/file.bc}} -S -o {{path/to/output_file.bc}}