> As I know, '-debug' is used in 'llc' to show a bunch of debugging > printouts. I am wondering if there were a equivalent option in clang? If not > how could I know what happens during compilation? Are you looking for `clang -mllvm -debug`? -- Wei-Ren Chen (陳韋任) Homepage: https://people.cs.nctu.edu.tw/~chenwj