Eli Bendersky 4046db0cdb Teach LoopUnrollPass to respect loop unrolling hints in metadata. ...

[This is resubmitting r210721, which was reverted due to suspected breakage
which turned out to be unrelated].

Some extra review comments were addressed. See D4090 and D4147 for more details.

The Clang change that produces this metadata was committed in r210667

Patch by Mark Heffernan.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@211076 91177308-0d34-0410-b5e6-96231b3b80d8

2014-06-16 23:53:02 +00:00

..

PowerPC

Reduce verbiage of lit.local.cfg files

2014-06-09 22:42:55 +00:00

X86

Reduce verbiage of lit.local.cfg files

2014-06-09 22:42:55 +00:00

2004-05-13-DontUnrollTooMuch.ll

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2005-03-06-BadLoopInfoUpdate.ll

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2006-08-24-MultiBlockLoop.ll

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2007-04-16-PhiUpdate.ll

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2007-05-05-UnrollMiscomp.ll

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2007-05-09-UnknownTripCount.ll

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2007-11-05-Crash.ll

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2011-08-08-PhiUpdate.ll

Update Transforms tests to use CHECK-LABEL for easier debugging. No functionality change.

2013-07-14 01:42:54 +00:00

2011-08-09-IVSimplify.ll

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2011-08-09-PhiUpdate.ll

Fixup to r186268 and r186269: don't append -LABEL to CHECK-NOT. No functionality change.

2013-07-14 02:10:57 +00:00

2011-10-01-NoopTrunc.ll

Update Transforms tests to use CHECK-LABEL for easier debugging. No functionality change.

2013-07-14 01:42:54 +00:00

2012-04-09-unroll-indirectbr.ll

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basic.ll

Update Transforms tests to use CHECK-LABEL for easier debugging. No functionality change.

2013-07-14 01:42:54 +00:00

loop-remarks.ll

Fix vectorization remarks.

2014-04-29 20:06:10 +00:00

partial-unroll-optsize.ll

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pr10813.ll

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pr11361.ll

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pr14167.ll

Update Transforms tests to use CHECK-LABEL for easier debugging. No functionality change.

2013-07-14 01:42:54 +00:00

pr18861.ll

LCSSA should be performed on the outermost affected loop while unrolling loop.

2014-05-29 06:47:23 +00:00

runtime-loop1.ll

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runtime-loop2.ll

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runtime-loop3.ll

Revert the test moves from 176733. Use "REQUIRES: asserts" instead.

2013-03-12 16:27:52 +00:00

runtime-loop.ll

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scevunroll.ll

Update Transforms tests to use CHECK-LABEL for easier debugging. No functionality change.

2013-07-14 01:42:54 +00:00

shifted-tripcount.ll

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unloop.ll

Update Transforms tests to use CHECK-LABEL for easier debugging. No functionality change.

2013-07-14 01:42:54 +00:00

unroll-pragmas.ll

Teach LoopUnrollPass to respect loop unrolling hints in metadata.

2014-06-16 23:53:02 +00:00