Creating release candidate rc3 from release_501 branch

llvm-svn: 320094
Merging r312065:
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r312065 | asbirlea | 2017-08-29 16:14:04 -0700 (Tue, 29 Aug 2017) | 1 line

[test-suite] Run x86 simd bicode tests only if avx2 present
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llvm-svn: 312334
1 file changed