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llvm-project/llvm/test/Analysis/ScalarEvolution
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Philip Reames 14d8f1546a [SCEV] Fold (0 udiv %x) to 0 
We have analogous rules in instsimplify, etc.., but were missing the same in SCEV.  The fold is near trivial, but came up in the context of a larger change.
2021-06-30 08:31:13 -07:00
..
2007-07-15-NegativeStride.ll
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2007-08-06-MisinterpretBranch.ll
[NFCI] SCEVExpander: emit intrinsics for integral {u,s}{min,max} SCEV expressions
2021-03-06 21:52:46 +03:00
2007-08-06-Unsigned.ll
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2007-09-27-LargeStepping.ll
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2007-11-14-SignedAddRec.ll
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2007-11-18-OrInstruction.ll
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2008-02-11-ReversedCondition.ll
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2008-02-12-SMAXTripCount.ll
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2008-02-15-UMax.ll
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2008-05-25-NegativeStepToZero.ll
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2008-06-12-BinomialInt64.ll
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2008-07-12-UnneededSelect1.ll
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2008-07-12-UnneededSelect2.ll
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2008-07-19-InfiniteLoop.ll
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2008-07-19-WrappingIV.ll
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2008-07-29-SGTTripCount.ll
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2008-07-29-SMinExpr.ll
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2008-08-04-IVOverflow.ll
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2008-08-04-LongAddRec.ll
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2008-11-02-QuadraticCrash.ll
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2008-11-15-CubicOOM.ll
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2008-11-18-LessThanOrEqual.ll
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2008-11-18-Stride1.ll
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2008-11-18-Stride2.ll
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2008-12-08-FiniteSGE.ll
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2008-12-11-SMaxOverflow.ll
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2008-12-14-StrideAndSigned.ll
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2008-12-15-DontUseSDiv.ll
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2009-01-02-SignedNegativeStride.ll
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2009-04-22-TruncCast.ll
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2009-05-09-PointerEdgeCount.ll
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2009-07-04-GroupConstantsWidthMismatch.ll
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2010-09-03-RequiredTransitive.ll
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2011-03-09-ExactNoMaxBECount.ll
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2011-04-26-FoldAddRec.ll
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2011-10-04-ConstEvolve.ll
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2012-03-26-LoadConstant.ll
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2012-05-18-LoopPredRecurse.ll
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2012-05-29-MulAddRec.ll
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abs-intrinsic.ll
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add-expr-pointer-operand-sorting.ll
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add-like-or.ll
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and-xor.ll
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ashr.ll
Revert "[SCEV] Model ashr exact x, C as (abs(x) EXACT/u (1<<C)) * signum(x)"
2021-04-18 16:26:45 +03:00
avoid-assume-hang.ll
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avoid-infinite-recursion-0.ll
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avoid-infinite-recursion-1.ll
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avoid-smax-0.ll
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avoid-smax-1.ll
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binomial-explision.ll
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cache_loop_exit_limit.ll
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constant_condition.ll
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depth-limit-overrun.ll
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different-loops-recs.ll
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div-overflow.ll
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do-loop.ll
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exact_iter_count.ll
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exact-exit-count-more-precise.ll
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exhaustive-trip-counts.ll
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exit-count-select.ll
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expander-replace-congruent-ivs.ll
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exponential-behavior.ll
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ext-antecedent.ll
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extract-highbits-sameconstmask.ll
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extract-highbits-variablemask.ll
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extract-lowbits-sameconstmask.ll
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extract-lowbits-variablemask.ll
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flags-from-poison-dbg.ll
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flags-from-poison.ll
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flattened-0.ll
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fold.ll
[SCEV] Fold (0 udiv %x) to 0
2021-06-30 08:31:13 -07:00
guards.ll
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how-far-to-zero.ll
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huge_expression_limit.ll
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implied-via-addition.ll
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implied-via-division.ll
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incorrect-exit-count.ll
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incorrect-nsw.ll
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increasing-or-decreasing-iv.ll
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infer-prestart-no-wrap.ll
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infer-via-ranges.ll
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inner-loop-by-latch-cond-unknown.ll
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invalidation.ll
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latch-dominating-conditions.ll
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limit-depth.ll
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load-with-range-metadata.ll
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load.ll
Reland [SCEV] Improve modelling for (null) pointer constants
2021-03-13 16:05:34 +03:00
lshr-shl-differentconstmask.ll
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lt-overflow.ll
[SCEV] Compute exit counts for unsigned IVs using mustprogress semantics
2021-06-07 11:24:00 -07:00
max-addops-inline.ll
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max-addrec-size.ll
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max-backedge-taken-count-guard-info.ll
[SCEV] Support single-cond range check idiom in applyLoopGuards.
2021-06-25 10:24:40 +01:00
max-backedge-taken-count-limit-by-wrapping.ll
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max-be-count-not-constant.ll
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max-expr-cache.ll
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max-mulops-inline.ll
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max-trip-count-address-space.ll
[SCEV] Support signed predicates in applyLoopGuards.
2021-06-23 10:21:05 +01:00
max-trip-count.ll
[SCEV] Support signed predicates in applyLoopGuards.
2021-06-23 10:21:05 +01:00
merge-add-rec-many-inputs.ll
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min-max-exprs.ll
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minmax-intrinsics.ll
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multiple-max-iterations.ll
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ne-overflow.ll
[tests] Precommit test for D103991
2021-06-09 15:05:54 -07:00
no-wrap-add-exprs.ll
[SCEV] Keep common NUW flags when inlining Add operands.
2021-06-09 17:13:21 +01:00
no-wrap-symbolic-becount.ll
[ScalarEvolution] Ensure backedge-taken counts are not pointers.
2021-06-21 16:24:16 -07:00
no-wrap-unknown-becount.ll
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non-IV-phi.ll
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nowrap-preinc-limits.ll
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nsw-offset-assume.ll
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nsw-offset.ll
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nsw.ll
[ScalarEvolution] Ensure backedge-taken counts are not pointers.
2021-06-21 16:24:16 -07:00
nw-sub-is-not-nw-add.ll
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overflow-intrinsics-trip-count.ll
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overflow-intrinsics.ll
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pointer-sign-bits.ll
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pr3909.ll
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pr18606-min-zeros.ll
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pr18606.ll
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pr22179.ll
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pr22641.ll
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pr22674.ll
Revert "[NFC] remove explicit default value for strboolattr attribute in tests"
2021-05-24 19:43:40 +02:00
pr22856.ll
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pr24757.ll
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pr25369.ll
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pr27315.ll
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pr34538.ll
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pr35890.ll
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pr40420.ll
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pr44605.ll
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pr46786.ll
[ScalarEvolution] Fix pointer/int type handling converting select/phi to min/max.
2021-06-17 14:05:12 -07:00
pr48225.ll
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pr49856.ll
[SCEV] Fix false-positive recognition of simple recurrences. PR49856
2021-04-07 13:55:17 +07:00
predicated-trip-count.ll
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ptrtoint-constantexpr-loop.ll
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ptrtoint.ll
[ScalarEvolution] Ensure backedge-taken counts are not pointers.
2021-06-21 16:24:16 -07:00
range_nw_flag.ll
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range-signedness.ll
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ranges.ll
Add datalayout to test added in 7e3183d73
2021-02-19 13:10:19 -08:00
returned.ll
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saturating-intrinsics.ll
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scalable-vector.ll
Reland [SCEV] Improve modelling for (null) pointer constants
2021-03-13 16:05:34 +03:00
scev-aa.ll
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scev-canonical-mode.ll
Revert "[NFC] remove explicit default value for strboolattr attribute in tests"
2021-05-24 19:43:40 +02:00
scev-dispositions.ll
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scev-expander-existing-value-offset.ll
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scev-expander-incorrect-nowrap.ll
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scev-expander-reuse-gep.ll
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scev-expander-reuse-unroll.ll
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scev-expander-reuse-vect.ll
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scev-invalid.ll
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scev-prestart-nowrap.ll
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sdiv.ll
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sext-inreg.ll
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sext-iv-0.ll
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sext-iv-1.ll
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sext-iv-2.ll
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sext-mul.ll
[SCEV] Support signed predicates in applyLoopGuards.
2021-06-23 10:21:05 +01:00
sext-to-zext.ll
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sext-zero.ll
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shift-op.ll
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shift-recurrences.ll
[SCEV] Compute ranges for ashr recurrences
2021-04-28 12:36:20 -07:00
shl-lshr-differentconstmask.ll
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sle.ll
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smax-br-phi-idioms.ll
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smin-smax-folds.ll
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solve-quadratic-i1.ll
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solve-quadratic-overflow.ll
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solve-quadratic.ll
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SolveQuadraticEquation.ll
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srem.ll
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strip-injective-zext.ll
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trip-count2.ll
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trip-count3.ll
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trip-count4.ll
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trip-count5.ll
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trip-count6.ll
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trip-count7.ll
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trip-count8.ll
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trip-count9.ll
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trip-count10.ll
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trip-count11.ll
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trip-count12.ll
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trip-count13.ll
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trip-count14.ll
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trip-count15.ll
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trip-count-andor-selectform.ll
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trip-count-andor.ll
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trip-count-non-unit-stride.ll
[SCEV] Add test for non-unit stride with multiple exits (NFC)
2021-05-02 18:14:05 +02:00
trip-count-pow2.ll
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trip-count-switch.ll
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trip-count-unknown-stride.ll
[SCEV] Use mustprogress flag on loops (in addition to function attribute)
2021-06-10 13:20:28 -07:00
trip-count.ll
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trip-multiple-guard-info.ll
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tripmultiple_calculation.ll
[SCEV] Compute trip multiple for multiple exit loops
2021-05-26 11:52:25 -07:00
trivial-phis.ll
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trunc-simplify.ll
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truncate.ll
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umin-umax-folds.ll
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undefined.ll
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unknown_phis.ll
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unreachable-code.ll
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unsimplified-loop.ll
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urem-0.ll
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widenable-condition.ll
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ZeroStep.ll
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zext-divrem.ll
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zext-mul.ll
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zext-signed-addrec.ll
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zext-wrap.ll
[SCEV] Improve handling of not expressions in isImpliedCond()
2021-03-24 21:53:02 +01:00