[PATCH] D19126: [NVPTX] Improve mangling of illegal PTX characters in global names.

[Artem Belevich via llvm-commits]

tra created this revision.
tra added reviewers: eliben, jlebar, jholewinski.
tra added a subscriber: llvm-commits.
Herald added a subscriber: jholewinski.

* replace illegal characters in all classes of global symbols
* deal with illegal symbols potentially introduced when setName()
  has to append unique suffix (it is currently separated by '.')


http://reviews.llvm.org/D19126

Files:
  lib/Target/NVPTX/NVPTXAssignValidGlobalNames.cpp
  test/CodeGen/NVPTX/symbol-naming.ll

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