Merging r200830:

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r200830 | michel.daenzer | 2014-02-05 01:48:05 -0800 (Wed, 05 Feb 2014) | 8 lines

R600/SI: Add pattern for zero-extending i1 to i32

Fixes opencl-example if_* tests with radeonsi.

Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=74469



Reviewed-by: Tom Stellard <thomas.stellard@amd.com>
llvm-svn: 204646