Merging r259886 and r259888:

Merging r259886 and r259888:

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r259886 | nemanjai | 2016-02-05 06:50:29 -0800 (Fri, 05 Feb 2016) | 5 lines

Fix for PR 26193

This is a simple fix for a PowerPC intrinsic that was incorrectly defined
(the return type was incorrect).
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r259888 | nemanjai | 2016-02-05 07:03:17 -0800 (Fri, 05 Feb 2016) | 3 lines

Add the missing test case for PR26193
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/branches/release_38@259891 91177308-0d34-0410-b5e6-96231b3b80d8