tree 13542ec58d867d1b9c6ce4f18117d599f527ade5
parent 03e1ccdf9df1766525d21486883e9a2e92713bee
author Tom Stellard <thomas.stellard@amd.com> 1465011787 +0000
committer Tom Stellard <thomas.stellard@amd.com> 1465011787 +0000

Merging r268295:

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r268295 | thomas.stellard | 2016-05-02 13:11:44 -0700 (Mon, 02 May 2016) | 7 lines

AMDGPU/SI: Use v_readfirstlane_b32 when restoring SGPRs spilled to
scratch

We were using v_readlane_b32 with the lane set to zero, but this won't
work if thread 0 is not active.

Differential Revision: http://reviews.llvm.org/D19745

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/branches/release_38@271771 91177308-0d34-0410-b5e6-96231b3b80d8