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clang-p2996/llvm/test/Analysis/ScalarEvolution
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Akshay Deodhar 82c93b6f19 [SCEV] Simplify SCEVExpr for PHI to SCEV for operand if operands are identical (#115945) 
Helps SCEV analyze some special phi nodes, allowing the computation of
loop trip count in cases like the following:

https://godbolt.org/z/xGs1d81TW
2024-12-06 15:26:45 +05:30
..
2007-07-15-NegativeStride.ll
[SCEV] Extend type hint in analysis output to all backedge kinds
2024-03-06 13:08:05 -08:00
2007-08-06-MisinterpretBranch.ll
…
2007-08-06-Unsigned.ll
…
2007-09-27-LargeStepping.ll
[SCEV] Extend type hint in analysis output to all backedge kinds
2024-03-06 13:08:05 -08:00
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
[SCEV] Extend type hint in analysis output to all backedge kinds
2024-03-06 13:08:05 -08:00
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
[SCEV] Extend type hint in analysis output to all backedge kinds
2024-03-06 13:08:05 -08:00
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
[SCEV] Print predicate backedge count only if new information available
2024-03-06 10:24:32 -08:00
2008-11-18-Stride2.ll
[SCEV] Print predicate backedge count only if new information available
2024-03-06 10:24:32 -08:00
2008-12-08-FiniteSGE.ll
[SCEV] Extend type hint in analysis output to all backedge kinds
2024-03-06 13:08:05 -08:00
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
[SCEV] Extend type hint in analysis output to all backedge kinds
2024-03-06 13:08:05 -08:00
2009-07-04-GroupConstantsWidthMismatch.ll
…
2010-09-03-RequiredTransitive.ll
…
2011-03-09-ExactNoMaxBECount.ll
…
2011-04-26-FoldAddRec.ll
Remove br i1 undef from some regression tests [NFC] (#115130)
2024-11-07 08:11:15 +00:00
2011-10-04-ConstEvolve.ll
…
2012-03-26-LoadConstant.ll
…
2012-05-18-LoopPredRecurse.ll
…
2012-05-29-MulAddRec.ll
…
abs-intrinsic.ll
…
add-expr-pointer-operand-sorting.ll
[SCEV] Print predicate backedge count only if new information available
2024-03-06 10:24:32 -08:00
add-like-or.ll
[SCEV] Print predicate backedge count only if new information available
2024-03-06 10:24:32 -08:00
addrec-computed-during-addrec-calculation.ll
[SCEV] Extend type hint in analysis output to all backedge kinds
2024-03-06 13:08:05 -08:00
addrec-sub-nsw.ll
[SCEV] Print predicate backedge count only if new information available
2024-03-06 10:24:32 -08:00
alloca.ll
[SCEV] Extend type hint in analysis output to all backedge kinds
2024-03-06 13:08:05 -08:00
and-xor.ll
…
annotation-intrinsics.ll
…
ashr.ll
…
avoid-assume-hang.ll
…
avoid-infinite-recursion-0.ll
Remove br i1 undef from some regression tests [NFC] (#115130)
2024-11-07 08:11:15 +00:00
avoid-infinite-recursion-1.ll
Remove br i1 undef from some regression tests [NFC] (#115130)
2024-11-07 08:11:15 +00:00
avoid-smax-0.ll
…
avoid-smax-1.ll
…
backedge-taken-count-guard-info-with-multiple-predecessors.ll
[SCEV] Collect and merge loop guards through PHI nodes with multiple incoming values (#113915)
2024-11-15 10:03:08 +00:00
backedge-taken-count-guard-info.ll
[SCEV] Preserve flags in SCEVLoopGuardRewriter for add and mul. (#91472)
2024-06-03 13:25:55 +01:00
becount-invalidation.ll
[SCEV] Extend type hint in analysis output to all backedge kinds
2024-03-06 13:08:05 -08:00
binomial-explision.ll
…
cache_loop_exit_limit.ll
…
constant_condition.ll
…
cycled_phis.ll
[SCEV] Print predicate backedge count only if new information available
2024-03-06 10:24:32 -08:00
decrementing_addrecs.ll
[SCEV] Print predicate backedge count only if new information available
2024-03-06 10:24:32 -08:00
different-loops-recs.ll
Remove br i1 undef from some regression tests [NFC] (#115130)
2024-11-07 08:11:15 +00:00
div-overflow.ll
…
do-loop.ll
…
exact_iter_count.ll
[SCEV] Extend type hint in analysis output to all backedge kinds
2024-03-06 13:08:05 -08:00
exact-exit-count-more-precise.ll
[SCEV] Print predicate backedge count only if new information available
2024-03-06 10:24:32 -08:00
exhaustive-trip-counts.ll
[SCEV] Don't use non-deterministic constant folding for trip counts (#90942)
2024-05-20 07:40:54 +02:00
exit-count-non-strict.ll
[Analysis] Teach isDereferenceableAndAlignedInLoop about SCEV predicates (#106562)
2024-09-23 09:56:37 +01:00
exit-count-select-safe.ll
[SCEV] Extend type hint in analysis output to all backedge kinds
2024-03-06 13:08:05 -08:00
exit-count-select.ll
[SCEV] Extend type hint in analysis output to all backedge kinds
2024-03-06 13:08:05 -08:00
expander-replace-congruent-ivs.ll
Remove br i1 undef from some regression tests [NFC] (#115130)
2024-11-07 08:11:15 +00:00
exponential-behavior.ll
[SCEV] Extend type hint in analysis output to all backedge kinds
2024-03-06 13:08:05 -08:00
ext_min_max.ll
…
ext-antecedent.ll
…
extract-highbits-sameconstmask.ll
…
extract-highbits-variablemask.ll
…
extract-lowbits-sameconstmask.ll
…
extract-lowbits-variablemask.ll
…
finite-trip-count.ll
[Analysis] Teach isDereferenceableAndAlignedInLoop about SCEV predicates (#106562)
2024-09-23 09:56:37 +01:00
flags-from-poison-dbg.ll
[ExtendLifetimes] Implement llvm.fake.use to extend variable lifetimes (#86149)
2024-08-29 17:53:32 +01:00
flags-from-poison-noautogen.ll
[SCEV] Print predicate backedge count only if new information available
2024-03-06 10:24:32 -08:00
flags-from-poison.ll
[SCEV] Handle nusw/nuw gep flags for addrecs
2024-06-20 15:59:42 +02:00
flattened-0.ll
…
fold.ll
[SCEV] Extend type hint in analysis output to all backedge kinds
2024-03-06 13:08:05 -08:00
guards.ll
…
how-far-to-zero.ll
Remove br i1 undef from some regression tests [NFC] (#115130)
2024-11-07 08:11:15 +00:00
huge_expression_limit.ll
…
huge-trip-multiple.ll
[SCEV] Extend type hint in analysis output to all backedge kinds
2024-03-06 13:08:05 -08:00
implied-via-addition.ll
…
implied-via-division.ll
…
incorrect-exit-count.ll
[SCEV] Extend type hint in analysis output to all backedge kinds
2024-03-06 13:08:05 -08:00
incorrect-nsw.ll
…
increasing-or-decreasing-iv.ll
[SCEV] Extend type hint in analysis output to all backedge kinds
2024-03-06 13:08:05 -08:00
infer-prestart-no-wrap.ll
…
infer-via-ranges.ll
…
inner-loop-by-latch-cond-unknown.ll
…
invalidation.ll
[SCEV] Extend type hint in analysis output to all backedge kinds
2024-03-06 13:08:05 -08:00
iv-poison.ll
[SCEV] Print predicate backedge count only if new information available
2024-03-06 10:24:32 -08:00
latch-dominating-conditions.ll
…
limit-depth.ll
…
load-with-range-metadata.ll
[SCEV] Print predicate backedge count only if new information available
2024-03-06 10:24:32 -08:00
load.ll
[SCEV] Extend type hint in analysis output to all backedge kinds
2024-03-06 13:08:05 -08:00
logical-operations.ll
[SCEV] Extend type hint in analysis output to all backedge kinds
2024-03-06 13:08:05 -08:00
lshr-shl-differentconstmask.ll
…
lt-overflow.ll
…
malloc.ll
…
max-addops-inline.ll
…
max-addrec-size.ll
…
max-backedge-taken-count-guard-info-rewrite-expressions.ll
[SCEV] Extend type hint in analysis output to all backedge kinds
2024-03-06 13:08:05 -08:00
max-backedge-taken-count-guard-info.ll
[ValueTracking] AllowEphemerals for alignment assumptions. (#108632)
2024-10-03 16:02:34 +01:00
max-backedge-taken-count-limit-by-wrapping.ll
[SCEV] Print predicate backedge count only if new information available
2024-03-06 10:24:32 -08:00
max-be-count-not-constant.ll
[SCEV] Print predicate backedge count only if new information available
2024-03-06 10:24:32 -08:00
max-expr-cache.ll
[SCEV] Print predicate backedge count only if new information available
2024-03-06 10:24:32 -08:00
max-mulops-inline.ll
…
max-trip-count-address-space.ll
[SCEV] Print predicate backedge count only if new information available
2024-03-06 10:24:32 -08:00
max-trip-count.ll
[SCEV] Extend type hint in analysis output to all backedge kinds
2024-03-06 13:08:05 -08:00
merge-add-rec-many-inputs.ll
…
min-max-exprs.ll
[SCEV] Print predicate backedge count only if new information available
2024-03-06 10:24:32 -08:00
minmax-intrinsics.ll
…
mul.ll
…
multiple-max-iterations.ll
…
ne-overflow.ll
[SCEV] Add predicate in SolveLinEq to ensure B is a multiple of A. (#108777)
2024-09-28 14:19:57 +01:00
no-follow-alias.ll
…
no-wrap-add-exprs.ll
[Analysis] Teach ScalarEvolution::getRangeRef about more dereferenceable objects (#104778)
2024-08-22 14:45:14 +01:00
no-wrap-symbolic-becount.ll
[SCEV] Print predicate backedge count only if new information available
2024-03-06 10:24:32 -08:00
no-wrap-unknown-becount.ll
…
non-IV-phi.ll
…
nowrap-preinc-limits.ll
…
nsw-offset-assume.ll
[SCEV] Print predicate backedge count only if new information available
2024-03-06 10:24:32 -08:00
nsw-offset.ll
[SCEV] Print predicate backedge count only if new information available
2024-03-06 10:24:32 -08:00
nsw.ll
[SCEV] Extend type hint in analysis output to all backedge kinds
2024-03-06 13:08:05 -08:00
nw-sub-is-not-nw-add.ll
…
outer_phi.ll
[SCEV] Print predicate backedge count only if new information available
2024-03-06 10:24:32 -08:00
overflow-intrinsics-trip-count.ll
Remove br i1 undef from some regression tests [NFC] (#115130)
2024-11-07 08:11:15 +00:00
overflow-intrinsics.ll
[SCEV] Include type when printing constant max backedge taken count
2024-03-06 08:48:25 -08:00
pointer-rounding.ll
…
pointer-select.ll
…
pointer-sign-bits.ll
Remove br i1 undef from some regression tests [NFC] (#115130)
2024-11-07 08:11:15 +00:00
pr3909.ll
…
pr18606-min-zeros.ll
…
pr18606.ll
…
pr22179.ll
…
pr22641.ll
…
pr22674.ll
Remove br i1 undef from some regression tests [NFC] (#115130)
2024-11-07 08:11:15 +00:00
pr22856.ll
Remove br i1 undef from some regression tests [NFC] (#115130)
2024-11-07 08:11:15 +00:00
pr24757.ll
…
pr25369.ll
Remove br i1 undef from some regression tests [NFC] (#115130)
2024-11-07 08:11:15 +00:00
pr27315.ll
…
pr34538.ll
[SCEV] Extend type hint in analysis output to all backedge kinds
2024-03-06 13:08:05 -08:00
pr35890.ll
…
pr40420.ll
…
pr44605.ll
…
pr46786.ll
…
pr48225.ll
[SCEV] Extend type hint in analysis output to all backedge kinds
2024-03-06 13:08:05 -08:00
pr49856.ll
…
pr51869-scalar-evolution-prove-implications-via-truncation.ll
…
pr58402-large-number-of-zext-exprs.ll
[SCEV] Print predicate backedge count only if new information available
2024-03-06 10:24:32 -08:00
pr62380.ll
…
pr62430.ll
…
pr76234.ll
[SCEV] Print predicate backedge count only if new information available
2024-03-06 10:24:32 -08:00
pr87798.ll
[SCEV] Fix BinomialCoefficient Iteration to fit in W bits (#88010)
2024-04-10 09:02:23 -04:00
pr92560.ll
[SCEV] Support addrec in right hand side in howManyLessThans (#92560)
2024-06-25 14:33:57 -07:00
pr116483.ll
[SCEV] Fix sext handling for getConstantMultiple (#117093)
2024-11-21 17:23:04 +08:00
pr117133.ll
[SCEV] Do not allow refinement in the rewriting of BEValue (#117152)
2024-12-01 20:11:09 +08:00
predicated-exit-count.ll
[Analysis] Teach isDereferenceableAndAlignedInLoop about SCEV predicates (#106562)
2024-09-23 09:56:37 +01:00
predicated-max-backedge-taken-count-guard-info.ll
[SCEV] Add predicate in SolveLinEq to ensure B is a multiple of A. (#108777)
2024-09-28 14:19:57 +01:00
predicated-symbolic-max-backedge-taken-count.ll
[Analysis] Teach isDereferenceableAndAlignedInLoop about SCEV predicates (#106562)
2024-09-23 09:56:37 +01:00
predicated-trip-count.ll
…
ptrtoint-constantexpr-loop.ll
[SCEV] Print predicate backedge count only if new information available
2024-03-06 10:24:32 -08:00
ptrtoint-global.ll
…
ptrtoint.ll
[SCEV] Print predicate backedge count only if new information available
2024-03-06 10:24:32 -08:00
range_nw_flag.ll
[SCEV] Print predicate backedge count only if new information available
2024-03-06 10:24:32 -08:00
range-attribute.ll
[SCEV] Add range attribute handling (#88449)
2024-04-12 18:21:48 +09:00
range-signedness.ll
[SCEV] Extend type hint in analysis output to all backedge kinds
2024-03-06 13:08:05 -08:00
ranges.ll
[SCEV] Print predicate backedge count only if new information available
2024-03-06 10:24:32 -08:00
returned.ll
…
saturating-intrinsics.ll
…
scalable-vector.ll
[SCEV] Support non-constant step in howFarToZero (#94411)
2024-06-05 08:05:07 -07:00
scev-aa.ll
Remove br i1 undef from some regression tests [NFC] (#115130)
2024-11-07 08:11:15 +00:00
scev-canonical-mode.ll
Remove br i1 undef from some regression tests [NFC] (#115130)
2024-11-07 08:11:15 +00:00
scev-dispositions.ll
…
scev-expander-existing-value-offset.ll
…
scev-expander-incorrect-nowrap.ll
…
scev-expander-reuse-gep.ll
[SCEVExpander] Preserve gep nuw during expansion (#102133)
2024-10-02 11:45:00 +02:00
scev-expander-reuse-unroll.ll
…
scev-expander-reuse-vect.ll
…
scev-invalid.ll
Remove br i1 undef from some regression tests [NFC] (#115130)
2024-11-07 08:11:15 +00:00
scev-prestart-nowrap.ll
…
sdiv.ll
[SCEV] Print predicate backedge count only if new information available
2024-03-06 10:24:32 -08:00
sext-add-inreg-loop.ll
[SCEV] Extend type hint in analysis output to all backedge kinds
2024-03-06 13:08:05 -08:00
sext-add-inreg-unequal.ll
…
sext-add-inreg.ll
…
sext-inreg.ll
…
sext-iv-0.ll
…
sext-iv-1.ll
…
sext-iv-2.ll
…
sext-mul.ll
[SCEV] Print predicate backedge count only if new information available
2024-03-06 10:24:32 -08:00
sext-to-zext.ll
[SCEV] Extend type hint in analysis output to all backedge kinds
2024-03-06 13:08:05 -08:00
sext-zero.ll
…
shift-op.ll
[SCEV] Extend type hint in analysis output to all backedge kinds
2024-03-06 13:08:05 -08:00
shift-recurrences.ll
Remove br i1 undef from some regression tests [NFC] (#115130)
2024-11-07 08:11:15 +00:00
shl-lshr-differentconstmask.ll
…
sle.ll
[SCEV] Print predicate backedge count only if new information available
2024-03-06 10:24:32 -08:00
smax-br-phi-idioms.ll
[SCEV] Extend type hint in analysis output to all backedge kinds
2024-03-06 13:08:05 -08:00
smin-smax-folds.ll
[SCEV] Print predicate backedge count only if new information available
2024-03-06 10:24:32 -08:00
solve-quadratic-i1.ll
[SCEV] Extend type hint in analysis output to all backedge kinds
2024-03-06 13:08:05 -08:00
solve-quadratic-overflow.ll
[SCEV] Extend type hint in analysis output to all backedge kinds
2024-03-06 13:08:05 -08:00
solve-quadratic.ll
[SCEV] Extend type hint in analysis output to all backedge kinds
2024-03-06 13:08:05 -08:00
SolveQuadraticEquation.ll
Remove br i1 undef from some regression tests [NFC] (#115130)
2024-11-07 08:11:15 +00:00
srem.ll
[SCEV] Print predicate backedge count only if new information available
2024-03-06 10:24:32 -08:00
strip-injective-zext.ll
…
symbolic_max_exit_count.ll
[SCEV] Extend type hint in analysis output to all backedge kinds
2024-03-06 13:08:05 -08:00
trip-count2.ll
[SCEV] Extend type hint in analysis output to all backedge kinds
2024-03-06 13:08:05 -08:00
trip-count3.ll
[SCEV] Print predicate backedge count only if new information available
2024-03-06 10:24:32 -08:00
trip-count4.ll
[SCEV] Print predicate backedge count only if new information available
2024-03-06 10:24:32 -08:00
trip-count5.ll
…
trip-count6.ll
[SCEV] Extend type hint in analysis output to all backedge kinds
2024-03-06 13:08:05 -08:00
trip-count7.ll
[SCEV] Extend type hint in analysis output to all backedge kinds
2024-03-06 13:08:05 -08:00
trip-count8.ll
[SCEV] Print predicate backedge count only if new information available
2024-03-06 10:24:32 -08:00
trip-count9.ll
[SCEV] Print predicate backedge count only if new information available
2024-03-06 10:24:32 -08:00
trip-count10.ll
[SCEV] Extend type hint in analysis output to all backedge kinds
2024-03-06 13:08:05 -08:00
trip-count11.ll
…
trip-count12.ll
[SCEV] Print predicate backedge count only if new information available
2024-03-06 10:24:32 -08:00
trip-count13.ll
[SCEV] Print predicate backedge count only if new information available
2024-03-06 10:24:32 -08:00
trip-count14.ll
[SCEV] Print predicate backedge count only if new information available
2024-03-06 10:24:32 -08:00
trip-count15.ll
[SCEV] Print predicate backedge count only if new information available
2024-03-06 10:24:32 -08:00
trip-count-andor-selectform.ll
[SCEV] Extend type hint in analysis output to all backedge kinds
2024-03-06 13:08:05 -08:00
trip-count-andor.ll
[SCEV] Extend type hint in analysis output to all backedge kinds
2024-03-06 13:08:05 -08:00
trip-count-implied-addrec.ll
[Analysis] Teach isDereferenceableAndAlignedInLoop about SCEV predicates (#106562)
2024-09-23 09:56:37 +01:00
trip-count-minmax.ll
[SCEV] Print predicate backedge count only if new information available
2024-03-06 10:24:32 -08:00
trip-count-negative-stride.ll
[SCEV] Extend type hint in analysis output to all backedge kinds
2024-03-06 13:08:05 -08:00
trip-count-non-unit-stride.ll
[SCEV] Print predicate backedge count only if new information available
2024-03-06 10:24:32 -08:00
trip-count-phi-increment.ll
[SCEV] Simplify SCEVExpr for PHI to SCEV for operand if operands are identical (#115945)
2024-12-06 15:26:45 +05:30
trip-count-pow2.ll
[SCEV] Print predicate backedge count only if new information available
2024-03-06 10:24:32 -08:00
trip-count-scalable-stride.ll
[SCEV] Consolidate code for proving wrap flags of controlling finite IVs (#101404)
2024-08-12 11:40:24 -07:00
trip-count-switch.ll
[SCEV] Extend type hint in analysis output to all backedge kinds
2024-03-06 13:08:05 -08:00
trip-count-unknown-stride.ll
[SCEV] Use context sensitive reasoning in howFarToZero (#94525)
2024-06-19 08:59:26 -07:00
trip-count-urem.ll
[SCEV] Add predicate in SolveLinEq to ensure B is a multiple of A. (#108777)
2024-09-28 14:19:57 +01:00
trip-count.ll
[SCEV] Match both (-1)b + a and a + (-1)b as a - b (#84247)
2024-03-06 15:57:34 -08:00
trip-multiple-guard-info.ll
[SCEV] Print predicate backedge count only if new information available
2024-03-06 10:24:32 -08:00
trip-multiple.ll
[SCEV] Print predicate backedge count only if new information available
2024-03-06 10:24:32 -08:00
tripmultiple_calculation.ll
…
trivial-phis.ll
…
trunc-simplify.ll
…
truncate.ll
…
udiv-of-x-xsmaxone-fold.ll
[SCEV] BECount to zero if ((-C + (C smax %x)) /u %x), C > 0 holds
2024-09-05 17:01:56 +02:00
umin-seq-operand-may-trigger-ub.ll
[SCEV] Retain SCEVSequentialMinMaxExpr if an operand may trigger UB. (#110824)
2024-10-14 13:08:49 +01:00
umin-umax-folds.ll
[SCEV] Print predicate backedge count only if new information available
2024-03-06 10:24:32 -08:00
undefined.ll
…
unknown_phis.ll
[SCEV] Extend type hint in analysis output to all backedge kinds
2024-03-06 13:08:05 -08:00
unreachable-code.ll
…
unsimplified-loop.ll
…
urem-0.ll
…
values-at-scopes-consistency.ll
…
widenable-condition.ll
[SCEV] Extend type hint in analysis output to all backedge kinds
2024-03-06 13:08:05 -08:00
ZeroStep.ll
[SCEV] Print predicate backedge count only if new information available
2024-03-06 10:24:32 -08:00
zext-divrem.ll
…
zext-mul.ll
…
zext-signed-addrec.ll
…
zext-wrap.ll
…