Commits on Jul 12, 2024

1. [libc] Implement (v|f)printf on the GPU …

   Summary:
   This patch implements the `printf` family of functions on the GPU using
   the new variadic support. This patch adapts the old handling in the
   `rpc_fprintf` placeholder, but adds an extra RPC call to get the size of
   the buffer to copy. This prevents the GPU from needing to parse the
   string. While it's theoretically possible for the pass to know the size
   of the struct, it's prohibitively difficult to do while maintaining ABI
   compatibility with NVIDIA's varargs.
   
   Depends on llvm#96015.

   

   jhuber6 committed Jul 12, 2024
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