opt

all

Run optimizations and analyze LLVM source files.

Examples (3)

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