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Author SHA1 Message Date
Egor Churaev 24939d479e [OpenCL] Enable unroll hint for OpenCL 1.x. 
Summary: Although the feature was introduced only in OpenCL C v2.0 spec., it's useful for OpenCL 1.x too and doesn't require HW support.

Reviewers: Anastasia

Subscribers: yaxunl, cfe-commits, bader

Differential Revision: https://reviews.llvm.org/D27453

llvm-svn: 289535
 2016-12-13 14:02:35 +00:00
Anastasia Stulova 6bdbcbb3d9 [OpenCL] Generate metadata for opencl_unroll_hint attribute 
Add support for opencl_unroll_hint attribute from OpenCL v2.0 s6.11.5.

Reusing most of metadata generation from CGLoopInfo helper class.

The code is based on Khronos OpenCL compiler:
https://github.com/KhronosGroup/SPIR/tree/spirv-1.0

Patch by Liu Yaxun (Sam)!

Differential Revision: http://reviews.llvm.org/D16686

llvm-svn: 261350
 2016-02-19 18:30:11 +00:00