[PATCH] D49725: [OpenCL] Forbid size dependent types used as kernel arguments

[Andrew Savonichev via Phabricator via cfe-commits]

asavonic created this revision.
Herald added subscribers: cfe-commits, Anastasia, yaxunl.

Size_t, intptr_t, uintptr_t and ptrdiff_t cannot be used as kernel
arguments, according to OpenCL Specification s6.9k:

  The size in bytes of these types are implementation-defined and in
  addition can also be different for the OpenCL device and the host
  processor making it difficult to allocate buffer objects to be passed
  as arguments to a kernel declared as pointer to these types.


Repository:
  rC Clang

https://reviews.llvm.org/D49725

Files:
  lib/Sema/SemaDecl.cpp
  test/SemaOpenCL/invalid-kernel-parameters.cl

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