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Reapply commit r259357 with a fix for PR26629

Authored by mssimpso on Feb 18 2016, 6:14 AM.

Description

Reapply commit r259357 with a fix for PR26629

Commit r259357 was reverted because it caused PR26629. We were assuming all
roots of a vectorizable tree could be truncated to the same width, which is not
the case in general. This commit reapplies the patch along with a fix and a new
test case to ensure we don't regress because of this issue again. This should
fix PR26629.

llvm-svn: 261212

Details

Committed
mssimpsoFeb 18 2016, 6:14 AM
Parents
rGf0340214437f: [mips][microMIPS] Implement TLBINV and TLBINVF instructions Differential…
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