Sanjoy Das 30c3538e2e [LoopUnrolling] Fix loop size check for peeling ...

Summary:
We should check if loop size allows us to peel at least one iteration
before we do so.

Patch by Max Kazantsev!

Reviewers: sanjoy, mkuper, efriedma

Reviewed By: mkuper

Subscribers: llvm-commits

Differential Revision: https://reviews.llvm.org/D30632

llvm-svn: 297122

2017-03-07 06:03:15 +00:00

..

AArch64

Reapply "[LoopUnroll] Use the upper bound of the loop trip count to fullly unroll a loop"

2016-10-12 21:29:38 +00:00

AMDGPU

AMDGPU: Don't unroll for private with dynamic allocas

2017-02-03 19:36:00 +00:00

PowerPC

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X86

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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

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2011-08-09-IVSimplify.ll

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2011-08-09-PhiUpdate.ll

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2011-10-01-NoopTrunc.ll

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2012-04-09-unroll-indirectbr.ll

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basic.ll

[PM] Teach LoopUnroll to update the LPM infrastructure as it unrolls

2017-01-25 02:49:01 +00:00

convergent.ll

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ephemeral.ll

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epilog_const_phi.ll

Add test missed in r296770.

2017-03-04 05:20:02 +00:00

full-unroll-bad-cost.ll

[PM] Simplify the new PM interface to the loop unroller and expose two

2017-01-26 02:13:50 +00:00

full-unroll-crashers.ll

[PM] Simplify the new PM interface to the loop unroller and expose two

2017-01-26 02:13:50 +00:00

full-unroll-heuristics-2.ll

[PM] Simplify the new PM interface to the loop unroller and expose two

2017-01-26 02:13:50 +00:00

full-unroll-heuristics-cmp.ll

[PM] Simplify the new PM interface to the loop unroller and expose two

2017-01-26 02:13:50 +00:00

full-unroll-heuristics-dce.ll

[PM] Simplify the new PM interface to the loop unroller and expose two

2017-01-26 02:13:50 +00:00

full-unroll-heuristics-geps.ll

[PM] Simplify the new PM interface to the loop unroller and expose two

2017-01-26 02:13:50 +00:00

full-unroll-heuristics-phi-prop.ll

[PM] Simplify the new PM interface to the loop unroller and expose two

2017-01-26 02:13:50 +00:00

full-unroll-heuristics.ll

[PM] Simplify the new PM interface to the loop unroller and expose two

2017-01-26 02:13:50 +00:00

full-unroll-keep-first-exit.ll

[PM] Simplify the new PM interface to the loop unroller and expose two

2017-01-26 02:13:50 +00:00

high-cost-trip-count-computation.ll

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ignore-annotation-intrinsic-cost.ll

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loop-remarks-with-hotness.ll

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loop-remarks.ll

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partial-unroll-const-bounds.ll

[PM] Simplify the new PM interface to the loop unroller and expose two

2017-01-26 02:13:50 +00:00

peel-loop-not-forced.ll

[LoopUnrolling] Fix loop size check for peeling

2017-03-07 06:03:15 +00:00

peel-loop-pgo.ll

[LoopUnroll] Enable PGO-based loop peeling by default.

2017-02-22 00:27:34 +00:00

peel-loop.ll

Update domtree incrementally in loop peeling.

2017-01-24 06:58:39 +00:00

pr10813.ll

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pr11361.ll

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pr14167.ll

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pr18861.ll

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pr27157.ll

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pr28132.ll

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pr31718.ll

[LoopUnroll] First form LCSSA, then loop-simplify

2017-01-23 23:45:42 +00:00

rebuild_lcssa.ll

[LoopSimplify] When simplifying phis in loop-simplify, do it only if it preserves LCSSA form.

2016-09-27 21:03:45 +00:00

revisit.ll

The patch turns on epilogue unroll for loops with constant recurency start.

2017-03-02 17:38:46 +00:00

runtime-li.ll

[LoopUnroll] Properly update loopinfo for runtime unrolling by 2

2017-01-26 01:04:11 +00:00

runtime-loop1.ll

[PM] Teach LoopUnroll to update the LPM infrastructure as it unrolls

2017-01-25 02:49:01 +00:00

runtime-loop2.ll

[PM] Teach LoopUnroll to update the LPM infrastructure as it unrolls

2017-01-25 02:49:01 +00:00

runtime-loop3.ll

The patch fixes r296770

2017-03-02 19:41:38 +00:00

runtime-loop4.ll

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runtime-loop5.ll

The patch turns on epilogue unroll for loops with constant recurency start.

2017-03-02 17:38:46 +00:00

runtime-loop.ll

[PM] Teach LoopUnroll to update the LPM infrastructure as it unrolls

2017-01-25 02:49:01 +00:00

scevunroll.ll

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shifted-tripcount.ll

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tripcount-overflow.ll

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unloop.ll

[PM] Teach LoopUnroll to update the LPM infrastructure as it unrolls

2017-01-25 02:49:01 +00:00

unroll-cleanup.ll

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unroll-cleanuppad.ll

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unroll-count.ll

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unroll-heuristics-pgo.ll

The patch turns on epilogue unroll for loops with constant recurency start.

2017-03-02 17:38:46 +00:00

unroll-opt-attribute.ll

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unroll-pragmas-disabled.ll

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unroll-pragmas.ll

The patch turns on epilogue unroll for loops with constant recurency start.

2017-03-02 17:38:46 +00:00

update-loop-info-in-subloops.ll

[PM] Teach LoopUnroll to update the LPM infrastructure as it unrolls

2017-01-25 02:49:01 +00:00