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llvm-project/llvm/test/Analysis/ScalarEvolution
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Zheng Chen a6342c247a [SCEV] accurate range for addrecexpr with nuw flag 
If addrecexpr has nuw flag, the value should never be less than its
start value and start value does not required to be SCEVConstant.

Reviewed By: nikic, sanjoy

Differential Revision: https://reviews.llvm.org/D71690
2020-01-12 20:22:37 -05:00
..
2007-07-15-NegativeStride.ll
…
2007-08-06-MisinterpretBranch.ll
…
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
…
2008-07-19-InfiniteLoop.ll
…
2008-07-19-WrappingIV.ll
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2008-07-29-SGTTripCount.ll
…
2008-07-29-SMinExpr.ll
[SCEV] Add explicit representations of umin/smin
2019-05-07 15:28:47 +00:00
2008-08-04-IVOverflow.ll
…
2008-08-04-LongAddRec.ll
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2008-11-02-QuadraticCrash.ll
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2008-11-15-CubicOOM.ll
…
2008-11-18-LessThanOrEqual.ll
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2008-11-18-Stride1.ll
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2008-11-18-Stride2.ll
…
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
[PM] Clean up the testing for IVUsers, especially with the new PM.
2017-01-15 09:29:27 +00:00
2011-10-04-ConstEvolve.ll
…
2012-03-26-LoadConstant.ll
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2012-05-18-LoopPredRecurse.ll
[PM] Clean up the testing for IVUsers, especially with the new PM.
2017-01-15 09:29:27 +00:00
2012-05-29-MulAddRec.ll
[SimplifyIndVars] Ignore dead users
2018-06-13 02:25:32 +00:00
and-xor.ll
[SCEV] Simplify zext/trunc idiom that appears when handling bitmasks.
2018-06-14 17:13:48 +00:00
avoid-assume-hang.ll
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avoid-infinite-recursion-0.ll
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avoid-infinite-recursion-1.ll
[PM] Clean up the testing for IVUsers, especially with the new PM.
2017-01-15 09:29:27 +00:00
avoid-smax-0.ll
…
avoid-smax-1.ll
Remove alignment argument from memcpy/memmove/memset in favour of alignment attributes (Step 1)
2018-01-19 17:13:12 +00:00
binomial-explision.ll
[SCEV] Avoid redundant computations when doing AddRec merge
2018-11-01 06:18:27 +00:00
cache_loop_exit_limit.ll
[SCEV] Re-enable "Cache results of computeExitLimit"
2017-08-03 08:41:30 +00:00
constant_condition.ll
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different-loops-recs.ll
Re-apply "[SCEV] Strengthen StrengthenNoWrapFlags (reapply r334428)."
2018-07-13 23:58:46 +00:00
div-overflow.ll
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do-loop.ll
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exact_iter_count.ll
Re-enable "[SCEV] Make computeExitLimit more simple and more powerful"
2018-05-03 02:37:55 +00:00
exact-exit-count-more-precise.ll
[SCEV] Handle case where MaxBECount is less precise than ExactBECount for OR.
2019-03-02 02:31:44 +00:00
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
exponential-behavior.ll
[SCEV] Fix exponential time complexity by caching
2017-04-24 00:09:46 +00:00
ext-antecedent.ll
…
extract-highbits-sameconstmask.ll
[SCEV] Use unsigned/signed intersection type in SCEV
2019-06-15 09:15:52 +00:00
extract-highbits-variablemask.ll
[NFC][SCEV] Add tests related to bit masking (PR37793)
2018-06-20 07:54:11 +00:00
extract-lowbits-sameconstmask.ll
[NFC][SCEV] Add tests related to bit masking (PR37793)
2018-06-20 07:54:11 +00:00
extract-lowbits-variablemask.ll
[NFC][SCEV] Add tests related to bit masking (PR37793)
2018-06-20 07:54:11 +00:00
flags-from-poison-dbg.ll
[DebugInfo] Add DILabel metadata and intrinsic llvm.dbg.label.
2018-05-09 02:40:45 +00:00
flags-from-poison.ll
[SCEV] Preserve NSW information for sext(subtract).
2017-08-04 20:19:46 +00:00
flattened-0.ll
[SCEV] Add URem support to SCEV
2017-09-01 14:59:59 +00:00
fold.ll
Fix incorrect CHECK-LABEL
2018-06-11 19:56:12 +00:00
guards.ll
[SimplifyIndVars] Ignore dead users
2018-06-13 02:25:32 +00:00
how-far-to-zero.ll
…
huge_expression_limit.ll
[SCEV] Prohibit SCEV transformations for huge SCEVs
2019-01-31 06:19:25 +00:00
implied-via-addition.ll
[ScalarEvolution] Re-enable Predicate implication from operations
2017-03-31 12:05:30 +00:00
implied-via-division.ll
[ScalarEvolution] Re-enable Predicate implication from operations
2017-03-31 12:05:30 +00:00
incorrect-nsw.ll
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increasing-or-decreasing-iv.ll
[SCEV] Use unsigned/signed intersection type in SCEV
2019-06-15 09:15:52 +00:00
infer-prestart-no-wrap.ll
[SCEV] Use unsigned/signed intersection type in SCEV
2019-06-15 09:15:52 +00:00
infer-via-ranges.ll
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inner-loop-by-latch-cond-unknown.ll
[SCEV] Re-land: Fix isKnownPredicate
2018-03-19 06:35:30 +00:00
invalidation.ll
[PM] The assumption cache is fundamentally designed to be self-updating,
2017-01-15 00:26:18 +00:00
latch-dominating-conditions.ll
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limit-depth.ll
Revert "[SCEV] add no wrap flag for SCEVAddExpr."
2019-09-30 07:46:52 +00:00
load-with-range-metadata.ll
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load.ll
…
lshr-shl-differentconstmask.ll
[SCEV] Use unsigned/signed intersection type in SCEV
2019-06-15 09:15:52 +00:00
max-addops-inline.ll
[SCEV] Introduce add operation inlining limit
2017-01-26 13:33:17 +00:00
max-addrec-size.ll
[SCEV] Limit max size of AddRecExpr during evolving
2017-07-23 15:40:19 +00:00
max-be-count-not-constant.ll
[SCEV] Fix an assertion failure in the max backedge taken count
2017-10-25 21:41:00 +00:00
max-expr-cache.ll
[SCEV] Add smin support to getRangeRef
2019-09-12 21:32:27 +00:00
max-mulops-inline.ll
[SCEV] Add a threshold to restrict number of mul operands to be inlined into SCEV
2016-10-20 21:38:39 +00:00
max-trip-count-address-space.ll
[SCEV] Simplify umin/max of zext and sext of the same value
2019-10-19 17:23:02 +00:00
max-trip-count.ll
[SCEV] Simplify umin/max of zext and sext of the same value
2019-10-19 17:23:02 +00:00
merge-add-rec-many-inputs.ll
Fix overconfident assert in ScalarEvolution::isImpliedViaMerge
2018-06-29 11:46:30 +00:00
min-max-exprs.ll
[SCEV] Add explicit representations of umin/smin
2019-05-07 15:28:47 +00:00
multiple-max-iterations.ll
[Analysis] Allow -scalar-evolution-max-iterations more than once
2019-09-19 18:21:32 +00:00
no-wrap-add-exprs.ll
[SCEV] Add zext(C + x + ...) -> D + zext(C-D + x + ...)<nuw><nsw> transform
2018-07-24 21:48:56 +00:00
no-wrap-unknown-becount.ll
Revert @llvm.assume with operator bundles (r289755-r289757)
2016-12-19 08:22:17 +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
Re-apply "[SCEV] Strengthen StrengthenNoWrapFlags (reapply r334428)."
2018-07-13 23:58:46 +00:00
nsw-offset.ll
Re-apply "[SCEV] Strengthen StrengthenNoWrapFlags (reapply r334428)."
2018-07-13 23:58:46 +00:00
nsw.ll
Revert "[SCEV] add no wrap flag for SCEVAddExpr."
2019-09-30 07:46:52 +00:00
nw-sub-is-not-nw-add.ll
…
overflow-intrinsics-trip-count.ll
[SCEV] teach SCEV symbolical execution about overflow intrinsics folding.
2019-07-11 02:18:22 +00:00
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
…
pr18606-min-zeros.ll
Fixed typos in tests: s/CEHCK/CHECK/
2019-02-25 13:12:33 +00:00
pr18606.ll
Fixed typos in tests: s/CEHCK/CHECK/
2019-02-25 13:12:33 +00:00
pr22179.ll
…
pr22641.ll
…
pr22674.ll
Migrate function attribute "no-frame-pointer-elim"="false" to "frame-pointer"="none" as cleanups after D56351
2019-12-24 16:27:51 -08:00
pr22856.ll
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pr24757.ll
[SCEV] Make getUDivExactExpr handle non-nuw multiplies correctly.
2017-01-18 23:56:42 +00:00
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
Return "[IndVars] Smart hard uses detection"
2018-11-08 11:54:35 +00:00
pr34538.ll
[SCEV] Handling for ICmp occuring in the evolution chain.
2017-11-13 16:43:24 +00:00
pr35890.ll
[SCEV] Make getPostIncExpr guaranteed to return AddRec
2018-02-12 05:09:38 +00:00
pr40420.ll
[SCEV] Take correct loop in AddRec simplification. PR40420
2019-01-29 05:37:59 +00:00
predicated-trip-count.ll
[SCEV] Add explicit representations of umin/smin
2019-05-07 15:28:47 +00:00
range_nw_flag.ll
[SCEV] accurate range for addrecexpr with nuw flag
2020-01-12 20:22:37 -05:00
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
Migrate function attribute "no-frame-pointer-elim"="false" to "frame-pointer"="none" as cleanups after D56351
2019-12-24 16:27:51 -08:00
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
[LoopUnroll] Add support for loops with exiting headers and uncond latches.
2019-06-26 09:16:57 +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] Simplify trunc-of-add/mul to add/mul-of-trunc under more circumstances.
2018-06-14 17:13:35 +00:00
sext-iv-0.ll
…
sext-iv-1.ll
…
sext-iv-2.ll
…
sext-mul.ll
[SCEV] Simplify umin/max of zext and sext of the same value
2019-10-19 17:23:02 +00:00
sext-to-zext.ll
…
sext-zero.ll
Revert "[SCEV] Add nuw/nsw to mul ops in StrengthenNoWrapFlags"
2018-06-19 04:09:44 +00:00
shift-op.ll
[SCEV] Fix predicate usage in computeExitLimitFromICmp
2017-12-08 12:19:45 +00:00
shl-lshr-differentconstmask.ll
Re-apply "[SCEV] Strengthen StrengthenNoWrapFlags (reapply r334428)."
2018-07-13 23:58:46 +00:00
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
…
solve-quadratic-i1.ll
[SCEV] Properly solve quadratic equations
2018-08-02 19:13:35 +00:00
solve-quadratic-overflow.ll
[SCEV] Properly solve quadratic equations
2018-08-02 19:13:35 +00:00
solve-quadratic.ll
[test] Fix ScalarEvolution test to allow __func__ with prototype
2018-12-02 16:49:28 +00:00
SolveQuadraticEquation.ll
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strip-injective-zext.ll
[SCEV] Simplify trunc-of-add/mul to add/mul-of-trunc under more circumstances.
2018-06-14 17:13:35 +00:00
trip-count2.ll
[Tests] Autogenerate a bunch of SCEV trip count tests for readability. Will likely merge some of these files soon.
2019-11-21 10:46:16 -08:00
trip-count3.ll
[Tests] Autogenerate a bunch of SCEV trip count tests for readability. Will likely merge some of these files soon.
2019-11-21 10:46:16 -08:00
trip-count4.ll
[Tests] Autogenerate a bunch of SCEV trip count tests for readability. Will likely merge some of these files soon.
2019-11-21 10:46:16 -08:00
trip-count5.ll
[SCEV] Un-grep'ify tests; NFC
2016-08-05 20:33:49 +00:00
trip-count6.ll
[Tests] Autogenerate a bunch of SCEV trip count tests for readability. Will likely merge some of these files soon.
2019-11-21 10:46:16 -08:00
trip-count7.ll
[Tests] Autogenerate a bunch of SCEV trip count tests for readability. Will likely merge some of these files soon.
2019-11-21 10:46:16 -08:00
trip-count8.ll
[Tests] Autogenerate a bunch of SCEV trip count tests for readability. Will likely merge some of these files soon.
2019-11-21 10:46:16 -08:00
trip-count9.ll
[Tests] Autogenerate a bunch of SCEV trip count tests for readability. Will likely merge some of these files soon.
2019-11-21 10:46:16 -08:00
trip-count10.ll
[Tests] Autogenerate a bunch of SCEV trip count tests for readability. Will likely merge some of these files soon.
2019-11-21 10:46:16 -08:00
trip-count11.ll
…
trip-count12.ll
Revert "[SCEV] add no wrap flag for SCEVAddExpr."
2019-09-30 07:46:52 +00:00
trip-count13.ll
[LoopUnroll] Keep the loop test only on the first iteration of max-or-zero loops
2016-10-21 11:08:48 +00:00
trip-count14.ll
Update -analyze -scalar-evolution output for multiple exit loops w/computable exit values
2019-06-27 19:22:43 +00:00
trip-count15.ll
[SCEV] Add smin support to getRangeRef
2019-09-12 21:32:27 +00:00
trip-count-andor.ll
[SCEV] Add a mode to skip classification when printing analysis
2019-11-21 10:24:19 -08:00
trip-count-pow2.ll
Re-apply "[SCEV] Strengthen StrengthenNoWrapFlags (reapply r334428)."
2018-07-13 23:58:46 +00:00
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
[Tests] Autogenerate a bunch of SCEV trip count tests for readability. Will likely merge some of these files soon.
2019-11-21 10:46:16 -08:00
tripmultiple_calculation.ll
[SCEV] Fix trip multiple calculation
2017-03-20 20:25:46 +00:00
trunc-simplify.ll
[SCEV] Simplify trunc-of-add/mul to add/mul-of-trunc under more circumstances.
2018-06-14 17:13:35 +00:00
truncate.ll
[SCEV] Fix buggy behavior in getAddExpr with truncs
2018-07-19 01:46:21 +00:00
umin-umax-folds.ll
[SCEV] Simplify umin/max of zext and sext of the same value
2019-10-19 17:23:02 +00:00
undefined.ll
…
unknown_phis.ll
[SCEV] Smart range calculation for SCEVUnknown Phis
2018-03-01 06:56:48 +00:00
unreachable-code.ll
[SCEV] Do not bother creating separate SCEVUnknown for unreachable nodes
2019-02-04 05:04:19 +00:00
unsimplified-loop.ll
…
urem-0.ll
[SCEV] Add URem support to SCEV
2017-09-01 14:59:59 +00:00
widenable-condition.ll
[Tests] Add a SCEV analysis test for llvm.widenable.condition
2019-10-14 22:42:35 +00:00
ZeroStep.ll
[SCEV] createAddRecFromPHI: Optimize for the most common case.
2017-05-03 23:53:38 +00:00
zext-divrem.ll
[SCEV] Re-apply r335197 (with Polly fixes).
2018-06-21 21:29:54 +00:00
zext-mul.ll
Re-apply "[SCEV] Strengthen StrengthenNoWrapFlags (reapply r334428)."
2018-07-13 23:58:46 +00:00
zext-signed-addrec.ll
…
zext-wrap.ll
[SCEV] Compute affine range in another way to avoid bitwidth extending.
2017-03-16 21:07:38 +00:00