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Runs optimizations and analyse LLVM source files. More information:

  • 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}}