Was doing a quick check. Looks like the temporary files are not always generated and could not even see any pipes in Process Monitor. EDIT: clang can tell what

Was doing a quick check. Looks like the temporary files are not always generated and could not even see any pipes in Process Monitor. EDIT: clang can tell what's being done: $ clang -ccc-print-phases -x c t.c 0: input, "t.c", c 1: preprocessor, {0}, cpp-output 2: compiler, {1}, ir 3: backend, {2}, assembler 4: assembler, {3}, object 5: linker, {4}, image Reference: https://clang.llvm.org/docs/DriverInternals.html https://clang.llvm.org/docs/DriverInternals.html