[PATCH] D26507: [OpenCL] Change to clk_event parameter in enqueue_kernel

[Anastasia Stulova via cfe-commits]

Anastasia created this revision.
Anastasia added a reviewer: yaxunl.
Anastasia added a subscriber: cfe-commits.

- Accept NULL pointer as a valid parameter value for clk_event
- Generate clk_events_t arguments of internal  __enqueue_kernel_XXX function to be pointers in generic address space


https://reviews.llvm.org/D26507

Files:
  lib/CodeGen/CGBuiltin.cpp
  lib/Sema/SemaChecking.cpp
  test/CodeGenOpenCL/cl20-device-side-enqueue.cl
  test/SemaOpenCL/cl20-device-side-enqueue.cl

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