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3 Commits

Author SHA1 Message Date
Michael Zolotukhin 9ef092dcb0 [LoopUnroll] Switch the default value of -unroll-runtime-epilog back to its original value. 
As agreed in post-commit review of r265388, I'm switching the flag to
its original value until the 90% runtime performance regression on
SingleSource/Benchmarks/Stanford/Bubblesort is addressed.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@277524 91177308-0d34-0410-b5e6-96231b3b80d8
 2016-08-02 21:24:14 +00:00
David L Kreitzer 51dcabbf7c Adds the ability to use an epilog remainder loop during loop unrolling and makes 
this the default behavior.

Patch by Evgeny Stupachenko (evstupac@gmail.com).

Differential Revision: http://reviews.llvm.org/D18158


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@265388 91177308-0d34-0410-b5e6-96231b3b80d8
 2016-04-05 12:19:35 +00:00
Sanjoy Das e0f4a11a89 [LoopUnrollRuntime] Clean up a predicate. 
Clean up a predicate I added in r229731, fix the relevant comment and
add a test case.  The earlier version is confusing to read and was also
buggy (probably not a coincidence) till Alexey fixed it in r233881.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@234701 91177308-0d34-0410-b5e6-96231b3b80d8
 2015-04-12 01:24:01 +00:00