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[OpenCL] Improve diagnostics of OpenCL types

Authored by Anastasia on Jul 5 2016, 4:47 AM.



This change:

  1. Changes diagnostics for Blocks to be implicitly const qualified OpenCL v2.0 s6.12.5.
  2. Adds and unifies diagnostics of some OpenCL special types: blocks, images, samplers, pipes. These types are intended for use with the OpenCL builtin function only and, therefore, most regular uses are not allowed including assignments, arithmetic operations, pointer dereferencing, etc...

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Anastasia updated this revision to Diff 62733.Jul 5 2016, 4:47 AM
Anastasia retitled this revision from to [OpenCL] Improve diagnostics of OpenCL types.
Anastasia updated this object.
Anastasia added reviewers: bader, yaxunl.
Anastasia added a subscriber: cfe-commits.
bader accepted this revision.Jul 5 2016, 5:05 AM
bader edited edge metadata.

A few minor style comments.


Please, refactor this code to use LHSTy & RHSTy.


Please, add spaces around |=.


Please, remove 'gedit' at the end of the line.


Please, add space before {.

This revision is now accepted and ready to land.Jul 5 2016, 5:05 AM
yaxunl edited edge metadata.Jul 5 2016, 11:50 AM

Can we add tests for returning sampler, image and pipe type? Thanks.

Anastasia updated this revision to Diff 62880.Jul 6 2016, 8:26 AM
Anastasia edited edge metadata.
  • Fixed misc formatting issues
  • Added restrictions and testing for return types
yaxunl accepted this revision.Jul 6 2016, 8:37 AM
yaxunl edited edge metadata.

LGTM. Thanks!

Wondering if we should add similar restrictions for other OpenCL types incl events or queues?

Also I am guessing that the following

pipe int (*p)

should be parsed as pointer to pipe and not a pointer to a pipe element type (by analogy to function pointers or other similar declarations).

This isn't legal code I believe but the diagnostic currently doesn't seem right:

error: pipes packet types cannot be of reference type