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llvm-mirror/test/Analysis/ScalarEvolution
David L Kreitzer d923ca0cb8 Reapplying r278731 after fixing the problem that caused it to be reverted.
Enhance SCEV to compute the trip count for some loops with unknown stride.

Patch by Pankaj Chawla

Differential Revision: https://reviews.llvm.org/D22377

llvm-svn: 281732
2016-09-16 14:38:13 +00:00
..
2007-07-15-NegativeStride.ll
2007-08-06-MisinterpretBranch.ll
2007-08-06-Unsigned.ll
2007-09-27-LargeStepping.ll
2007-11-14-SignedAddRec.ll
2007-11-18-OrInstruction.ll
2008-02-11-ReversedCondition.ll
2008-02-12-SMAXTripCount.ll
2008-02-15-UMax.ll
2008-05-25-NegativeStepToZero.ll
2008-06-12-BinomialInt64.ll
2008-07-12-UnneededSelect1.ll
2008-07-12-UnneededSelect2.ll
2008-07-19-InfiniteLoop.ll
2008-07-19-WrappingIV.ll
2008-07-29-SGTTripCount.ll
2008-07-29-SMinExpr.ll
2008-08-04-IVOverflow.ll
2008-08-04-LongAddRec.ll
2008-11-02-QuadraticCrash.ll
2008-11-15-CubicOOM.ll
2008-11-18-LessThanOrEqual.ll
2008-11-18-Stride1.ll
2008-11-18-Stride2.ll
2008-12-08-FiniteSGE.ll
2008-12-11-SMaxOverflow.ll
2008-12-14-StrideAndSigned.ll
2008-12-15-DontUseSDiv.ll
2009-01-02-SignedNegativeStride.ll
2009-04-22-TruncCast.ll
2009-05-09-PointerEdgeCount.ll
2009-07-04-GroupConstantsWidthMismatch.ll
2010-09-03-RequiredTransitive.ll
2011-03-09-ExactNoMaxBECount.ll
2011-04-26-FoldAddRec.ll
2011-10-04-ConstEvolve.ll
2012-03-26-LoadConstant.ll
2012-05-18-LoopPredRecurse.ll
2012-05-29-MulAddRec.ll
and-xor.ll
avoid-assume-hang.ll
avoid-infinite-recursion-0.ll
avoid-infinite-recursion-1.ll
avoid-smax-0.ll
avoid-smax-1.ll
constant_condition.ll
div-overflow.ll
do-loop.ll
exhaustive-trip-counts.ll [SCEV] Compute max be count from shift operator only if all else fails 2016-06-30 02:47:28 +00:00
expander-replace-congruent-ivs.ll [SCEVExpander] Fix a failed cast<> assertion 2016-05-11 17:41:41 +00:00
ext-antecedent.ll
flags-from-poison-dbg.ll Teach isGuarantdToTransferExecToSuccessor about debug info intrinsics 2016-06-08 17:48:36 +00:00
flags-from-poison.ll SCEV: Don't assert about non-SCEV-able value in isSCEVExprNeverPoison() (PR28932) 2016-08-17 22:50:18 +00:00
fold.ll
guards.ll [SCEV] Use guards to prove predicates 2016-05-10 00:31:49 +00:00
how-far-to-zero.ll
incorrect-nsw.ll
incorrect-offset-scaling.ll Fix ScalarEvolutionExpander step scaling bug 2016-07-13 01:28:12 +00:00
increasing-or-decreasing-iv.ll Remove trailing newline from test case; NFC 2016-03-09 01:51:44 +00:00
infer-prestart-no-wrap.ll [SCEV] Don't always add no-wrap flags to post-inc add recs 2016-05-29 00:32:17 +00:00
infer-via-ranges.ll
latch-dominating-conditions.ll
load-with-range-metadata.ll
load.ll
max-trip-count-address-space.ll
max-trip-count.ll
min-max-exprs.ll
no-wrap-add-exprs.ll
no-wrap-unknown-becount.ll [SCEV] Make isImpliedCondOperandsViaRanges smarter 2016-07-23 00:54:36 +00:00
non-IV-phi.ll
nowrap-preinc-limits.ll [SCEV] Don't always add no-wrap flags to post-inc add recs 2016-05-29 00:32:17 +00:00
nsw-offset-assume.ll [SCEV] No-wrap flags are not propagated when folding "{S,+,X}+T ==> {S+T,+,X}" 2016-05-25 13:01:33 +00:00
nsw-offset.ll [SCEV] No-wrap flags are not propagated when folding "{S,+,X}+T ==> {S+T,+,X}" 2016-05-25 13:01:33 +00:00
nsw.ll [SCEV] Fix incorrect trip count computation 2016-06-18 04:38:31 +00:00
nw-sub-is-not-nw-add.ll
overflow-intrinsics.ll [SCEV] See through op.with.overflow intrinsics (re-apply) 2016-05-29 00:34:42 +00:00
pointer-sign-bits.ll
pr3909.ll
pr22179.ll
pr22641.ll
pr22674.ll
pr22856.ll
pr24757.ll
pr25369.ll
pr27315.ll [SCEV] Don't always add no-wrap flags to post-inc add recs 2016-05-29 00:32:17 +00:00
pr28705.ll Fix the runtime error caused by "Use ValueOffsetPair to enhance value reuse during SCEV expansion". 2016-08-09 20:40:03 +00:00
predicated-trip-count.ll Re-commit [SCEV] Introduce a guarded backedge taken count and use it in LAA and LV 2016-04-08 14:29:09 +00:00
range-signedness.ll
returned.ll Teach SCEV to look through returned-argument functions 2016-07-11 02:48:23 +00:00
scev-aa.ll
scev-canonical-mode.ll
scev-dispositions.ll [SCEV] Tweak the output format and content of -analyze 2016-05-03 17:49:57 +00:00
scev-expander-existing-value-offset.ll Recommit "Use ValueOffsetPair to enhance value reuse during SCEV expansion". 2016-08-09 20:37:50 +00:00
scev-expander-incorrect-nowrap.ll
scev-expander-reuse-gep.ll Create a getelementptr instead of sub expr for ValueOffsetPair if the 2016-09-14 04:39:50 +00:00
scev-expander-reuse-unroll.ll [UNROLL] Postpone ScalarEvolution::forgetLoop after TripCountSC is expanded 2016-08-25 16:17:18 +00:00
scev-expander-reuse-vect.ll [UNROLL] Postpone ScalarEvolution::forgetLoop after TripCountSC is expanded 2016-08-25 16:17:18 +00:00
scev-invalid.ll
scev-prestart-nowrap.ll
sext-inreg.ll [SCEV] Un-grep'ify tests; NFC 2016-08-05 20:33:49 +00:00
sext-iv-0.ll
sext-iv-1.ll
sext-iv-2.ll
sext-to-zext.ll [SCEV] Be less eager about demoting zexts to sexts 2016-03-03 18:31:23 +00:00
shift-op.ll
sle.ll
smax-br-phi-idioms.ll [SCEV] Don't infinitely recurse on unreachable code 2016-08-05 18:34:14 +00:00
smax.ll
SolveQuadraticEquation.ll
trip-count2.ll
trip-count3.ll
trip-count4.ll
trip-count5.ll [SCEV] Un-grep'ify tests; NFC 2016-08-05 20:33:49 +00:00
trip-count6.ll
trip-count7.ll
trip-count8.ll
trip-count9.ll
trip-count10.ll
trip-count11.ll
trip-count12.ll
trip-count13.ll [SCEV] Fix incorrect trip count computation 2016-06-18 04:38:31 +00:00
trip-count-pow2.ll
trip-count-switch.ll
trip-count-unknown-stride.ll Reapplying r278731 after fixing the problem that caused it to be reverted. 2016-09-16 14:38:13 +00:00
trip-count.ll Be wary of abnormal exits from loop when exploiting UB 2016-06-09 01:13:59 +00:00
undefined.ll
unreachable-code.ll
unsimplified-loop.ll
zext-signed-addrec.ll
zext-wrap.ll