tra added inline comments.
================
Comment at: lib/CodeGen/CGCUDANV.cpp:287
+ CtorSuffix.append("_");
+ CtorSuffix.append(ModuleName);
+ }
----------------
There is a general problem with this approach. File name can contain the
characters that PTX does not allow.
We currently only deal with '.' and '@', but that's not enough here.
You may want to either mangle the name somehow to avoid/convert illegal
characters or use some other way to provide unique suffix. Hex-encoded hash of
the file name would avoid this problem, for example.
https://reviews.llvm.org/D44435
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