[PATCH] D55850: [OpenCL] Allow address spaces as method qualifiers

[Anastasia Stulova via Phabricator via cfe-commits]

Anastasia created this revision.
Anastasia added a reviewer: rjmccall.
Herald added a subscriber: yaxunl.

This patch allows qualifying methods with address spaces and extends some overloading rules to use those qualifiers.

The main use case is to prevent conversions to generic/default address space where it's requested by the programmer. More details can be found in: 
http://lists.llvm.org/pipermail/cfe-dev/2018-December/060470.html

This patch doesn't enable the feature for C++ yet but it can easily be generalized if the overall flow is right.


https://reviews.llvm.org/D55850

Files:
  lib/Parse/ParseDecl.cpp
  lib/Sema/SemaOverload.cpp
  lib/Sema/SemaType.cpp
  test/CodeGenOpenCLCXX/method-overload-address-space.cl
  test/SemaOpenCLCXX/method-overload-address-space.cl

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