Hans Wennborg 7f2c699402 Merging r229731: ...

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r229731 | sanjoy | 2015-02-18 11:32:25 -0800 (Wed, 18 Feb 2015) | 10 lines

Partial fix for bug 22589

Don't spend the entire iteration space in the scalar loop prologue if
computing the trip count overflows.  This change also gets rid of the
backedge check in the prologue loop and the extra check for
overflowing trip-count.

Differential Revision: http://reviews.llvm.org/D7715


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git-svn-id: https://llvm.org/svn/llvm-project/llvm/branches/release_36@229757 91177308-0d34-0410-b5e6-96231b3b80d8

2015-02-18 22:51:15 +00:00

..

PowerPC

[PowerPC] Readjust the loop unrolling threshold

2015-01-10 00:31:10 +00:00

X86

Reduce verbiage of lit.local.cfg files

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

2004-05-13-DontUnrollTooMuch.ll

Change tests from "opt %s" to "opt < %s" so that opt doesn't see the

2009-09-11 18:01:28 +00:00

2005-03-06-BadLoopInfoUpdate.ll

Rename 'loopsimplify' to 'loop-simplify'.

2011-02-10 23:38:10 +00:00

2006-08-24-MultiBlockLoop.ll

Change tests from "opt %s" to "opt < %s" so that opt doesn't see the

2009-09-11 18:01:28 +00:00

2007-04-16-PhiUpdate.ll

Change tests from "opt %s" to "opt < %s" so that opt doesn't see the

2009-09-11 18:01:28 +00:00

2007-05-05-UnrollMiscomp.ll

Change tests from "opt %s" to "opt < %s" so that opt doesn't see the

2009-09-11 18:01:28 +00:00

2007-05-09-UnknownTripCount.ll

Change tests from "opt %s" to "opt < %s" so that opt doesn't see the

2009-09-11 18:01:28 +00:00

2007-11-05-Crash.ll

Change tests from "opt %s" to "opt < %s" so that opt doesn't see the

2009-09-11 18:01:28 +00:00

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

Remove redundant -enable-iv-rewrite=false flags from test cases.

2012-03-22 17:09:04 +00:00

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

Fix 12513: Loop unrolling breaks with indirect branches.

2012-04-10 05:14:42 +00:00

basic.ll

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

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

ephemeral.ll

Add functions for finding ephemeral values

2014-09-07 13:49:57 +00:00

ignore-annotation-intrinsic-cost.ll

Ignore annotation function calls in cost computation

2014-09-26 17:48:40 +00:00

loop-remarks.ll

Fix vectorization remarks.

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

nsw-tripcount.ll

[SCEV] Improve Scalar Evolution's use of no {un,}signed wrap flags

2014-10-31 11:40:32 +00:00

partial-unroll-optsize.ll

[LoopUnroll] Fix the partial unrolling threshold for small loop sizes

2015-01-10 00:30:55 +00:00

pr10813.ll

ConstantVector returns arbitrary value for the wrong index.

2011-09-02 15:43:43 +00:00

pr11361.ll

Fix tests that didn't test anything.

2012-09-26 09:51:39 +00:00

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

Merging r229731:

2015-02-18 22:51:15 +00:00

runtime-loop2.ll

[LoopUnroll] Fix the partial unrolling threshold for small loop sizes

2015-01-10 00:30:55 +00:00

runtime-loop3.ll

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

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

runtime-loop.ll

Merging r229731:

2015-02-18 22:51:15 +00:00

scevunroll.ll

This patch de-pessimizes the calculation of loop trip counts in

2014-10-10 17:39:11 +00:00

shifted-tripcount.ll

Teach getSmallConstantTripMultiple about Shl operators.

2009-11-20 01:09:34 +00:00

tripcount-overflow.ll

Merging r229731:

2015-02-18 22:51:15 +00:00

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-disabled.ll

IR: Add 'distinct' MDNodes to bitcode and assembly

2015-01-08 22:38:29 +00:00

unroll-pragmas.ll

IR: Make metadata typeless in assembly

2014-12-15 19:07:53 +00:00

update-loop-info-in-subloops.ll

LoopUnroll: Create sub-loops in LoopInfo

2014-10-07 21:19:00 +00:00