[PATCH] D69124: [clang][driver] Print compilation phases with indentation.

[Artem Belevich via Phabricator via cfe-commits]

tra added a comment.

This is... rather oddly-structured output. My brain refuses to accept that the most-indented phase is the input.
Perhaps we should do `llvm::errs().indent(MaxIdent-Ident)`. This should give us something like this (withMaxIdent=9), which is somewhat easier to grok, IMO:

      0: input, "/home/michliao/dummy.cpp", cuda, (host-cuda)
       1: preprocessor, {0}, cuda-cpp-output, (host-cuda)
        2: compiler, {1}, ir, (host-cuda)
  3: input, "/home/michliao/dummy.cpp", cuda, (device-cuda, sm_30)
   4: preprocessor, {3}, cuda-cpp-output, (device-cuda, sm_30)
    5: compiler, {4}, ir, (device-cuda, sm_30)
     6: backend, {5}, assembler, (device-cuda, sm_30)
      7: assembler, {6}, object, (device-cuda, sm_30)
       8: offload, "device-cuda (nvptx64-nvidia-cuda:sm_30)" {7}, object
       9: offload, "device-cuda (nvptx64-nvidia-cuda:sm_30)" {6}, assembler
  10: input, "/home/michliao/dummy.cpp", cuda, (device-cuda, sm_60)
   11: preprocessor, {10}, cuda-cpp-output, (device-cuda, sm_60)
    12: compiler, {11}, ir, (device-cuda, sm_60)
     13: backend, {12}, assembler, (device-cuda, sm_60)
      14: assembler, {13}, object, (device-cuda, sm_60)
       15: offload, "device-cuda (nvptx64-nvidia-cuda:sm_60)" {14}, object
       16: offload, "device-cuda (nvptx64-nvidia-cuda:sm_60)" {13}, assembler
        17: linker, {8, 9, 15, 16}, cuda-fatbin, (device-cuda)
         18: offload, "host-cuda (x86_64-unknown-linux-gnu)" {2}, "device-cuda (nvptx64-nvidia-cuda)" {17}, ir
          19: backend, {18}, assembler, (host-cuda)
           20: assembler, {19}, object, (host-cuda)




Repository:
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  https://reviews.llvm.org/D69124/new/

https://reviews.llvm.org/D69124