[OpenCL] Fix invalid address space generation for clk_event_t

Summary:
Addrspace(32) was generated when putting 0 in clk_event_t * event_ret
parameter for enqueue_kernel function.

Patch by Viktoria Maksimova

Reviewers: Anastasia, yaxunl, AlexeySotkin

Reviewed By:  Anastasia, AlexeySotkin

Subscribers: cfe-commits

Differential Revision: https://reviews.llvm.org/D53809

llvm-svn: 346838
2 files changed
tree: 78187b4cf6a2579f3fe0046fc9841756f02a0dad
  1. clang/
  2. clang-tools-extra/
  3. compiler-rt/
  4. debuginfo-tests/
  5. libclc/
  6. libcxx/
  7. libcxxabi/
  8. libunwind/
  9. lld/
  10. lldb/
  11. llgo/
  12. llvm/
  13. openmp/
  14. parallel-libs/
  15. polly/
  16. README.md
README.md

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