[LLVMdev] O3 passes

Ryan M. Lefever lefever at crhc.illinois.edu
Mon Apr 27 19:02:47 PDT 2009

I assume that when -O3 (or O2 or O1) is passed to llvm-gcc, then it 
utilizes opt.  How do I determine what passes opt runs?  How do I 
determine what external tools (and arguments) llvm-gcc is invoking?


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