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llvm-project/llvm/test/Transforms/IndVarSimplify
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Yingwei Zheng f066d7504e
[Reland][SCEV] teach isImpliedViaOperations about samesign (#133711) 
This patch relands https://github.com/llvm/llvm-project/pull/124270.
Closes https://github.com/llvm/llvm-project/issues/126409.

The root cause is that we incorrectly preserve the samesign flag after
truncating operands of an icmp:
https://alive2.llvm.org/ce/z/4NE9gS

---------

Co-authored-by: Ramkumar Ramachandra <ramkumar.ramachandra@codasip.com>
2025-04-02 18:45:33 +08:00
..
AArch64
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AMDGPU
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ARM
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NVPTX
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X86
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2002-09-09-PointerIndVar.ll
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2003-04-16-ExprAnalysis.ll
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2003-09-23-NotAtTop.ll
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2003-12-10-RemoveInstrCrash.ll
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2003-12-15-Crash.ll
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2004-03-10-PHIInsertionBug.ll
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2004-04-05-InvokeCastCrash.ll
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2004-04-07-ScalarEvolutionCrash.ll
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2005-02-11-InvokeCrash.ll
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2005-02-17-TruncateExprCrash.ll
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2005-02-26-ExitValueCompute.ll
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2005-06-15-InstMoveCrash.ll
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2005-11-18-Crash.ll
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2006-03-31-NegativeStride.ll
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2006-06-16-Indvar-LCSSA-Crash.ll
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2006-09-20-LFTR-Crash.ll
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2006-12-10-BitCast.ll
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2007-01-06-TripCount.ll
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2007-06-06-DeleteDanglesPtr.ll
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2007-11-23-BitcastCrash.ll
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2008-06-15-SCEVExpanderBug.ll
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2008-09-02-IVType.ll
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2008-10-03-CouldNotCompute.ll
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2008-11-25-APFloatAssert.ll
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2009-04-22-IndvarCrash.ll
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2009-04-27-Floating.ll
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2009-05-24-useafterfree.ll
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2011-09-10-widen-nsw.ll
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2011-09-19-vectoriv.ll
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2011-09-27-hoistsext.ll
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2011-10-27-lftrnull.ll
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2011-11-01-lftrptr.ll
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2011-11-17-selfphi.ll
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2012-10-19-congruent-constant.ll
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2014-06-21-congruent-constant.ll
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2020-12-15-trunc-bug-expensive-range-inference.ll
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ada-loops.ll
[IR] Convert from nocapture to captures(none) (#123181)
2025-01-29 16:56:47 +01:00
addrec_no_exec_on_every_iteration.ll
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ashr-expansion.ll
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ashr-tripcount.ll
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avoid-i0.ll
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backedge-on-min-max.ll
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bbi-63564.ll
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bec-cmp.ll
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canonicalize-cmp.ll
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casted-argument.ll
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casted-trunc.ll
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checks_against_min_value.ll
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const_phi.ll
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constant_result.ll
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constant-fold.ll
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crash.ll
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cycled_phis.ll
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D108043.ll
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dangling-use.ll
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deterministic-sign.ll
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divide-pointer.ll
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dont-recompute.ll
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drop-exact.ll
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elim-extend.ll
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eliminate-backedge.ll
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eliminate-comparison.ll
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eliminate-exit-no-dl.ll
[ConstantFolding] Infer getelementptr nuw flag (#119214)
2024-12-09 16:44:05 +01:00
eliminate-exit.ll
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eliminate-max.ll
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eliminate-overflow-modified.ll
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eliminate-rem.ll
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eliminate-sat.ll
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exit_value_test2.ll
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exit_value_test3.ll
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exit_value_tests.ll
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exit-count-select.ll
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finite-exit-comparisons.ll
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floating-point-iv.ll
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floating-point-small-iv.ll
[ConstantFolding] Infer getelementptr nuw flag (#119214)
2024-12-09 16:44:05 +01:00
full_widening.ll
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hoist-wide-inc-for-narrow-use-recompute-flags.ll
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implied-via-addition.ll
SCEV: regen some tests with UTC (#123050)
2025-01-15 14:19:23 +00:00
indirectbr.ll
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infer-poison-flags.ll
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infer-via-ranges.ll
SCEV: re-org a test, regen via UTC (#126237)
2025-02-07 13:19:34 +00:00
interesting-invoke-use.ll
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invalidate-modified-lcssa-phi.ll
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iterationCount_zext_or_trunc.ll
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iv-ext-samesign.ll
[Reland][SCEV] teach isImpliedViaOperations about samesign (#133711)
2025-04-02 18:45:33 +08:00
iv-fold.ll
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iv-poison.ll
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iv-sext.ll
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iv-widen-elim-ext.ll
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iv-zext.ll
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lcssa-preservation.ll
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lftr_disabled.ll
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lftr-address-space-pointers.ll
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lftr-dead-ivs.ll
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lftr-multi-exit.ll
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lftr-pr20680.ll
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lftr-pr31181.ll
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lftr-pr41998.ll
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lftr-promote.ll
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lftr-reuse.ll
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lftr.ll
[IR] Convert from nocapture to captures(none) (#123181)
2025-01-29 16:56:47 +01:00
loop_evaluate7.ll
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loop_evaluate8.ll
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loop_evaluate9.ll
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loop_evaluate11.ll
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loop_evaluate_1.ll
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loop_evaluate_2.ll
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loop_evaluate_3.ll
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loop_evaluate_4.ll
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loop_evaluate_5.ll
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loop_evaluate_6.ll
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loop-predication.ll
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lrev-existing-umin.ll
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masked-iv.ll
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monotonic_checks.ll
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negative_ranges.ll
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no-iv-rewrite.ll
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opaque-ptr.ll
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outer_phi.ll
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phi-select.ll
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phi-uses-value-multiple-times.ll
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post-inc-range.ll
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pr18223.ll
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pr22222.ll
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pr24783.ll
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pr24952.ll
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pr25060.ll
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pr25578.ll
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pr26974.ll
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pr28705.ll
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pr30806-phi-scev.ll
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pr32045.ll
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pr38674.ll
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pr38855.ll
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pr39673.ll
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pr40454.ll
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pr45835.ll
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pr50506.ll
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pr55689.ll
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pr55925.ll
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pr56242.ll
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pr57247.ll
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pr58702-invalidate-scev-when-replacing-congruent-phis.ll
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pr59633.ll
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pr60944.ll
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pr62992.ll
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pr63763.ll
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pr64891.ll
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pr66066.ll
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pr66986.ll
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pr68260.ll
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pr79861.ll
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pr102597.ll
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pr106239.ll
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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
pr126012.ll
[ScalarEvolution] Handle addrec incoming value in isImpliedViaMerge() (#126236)
2025-02-10 10:07:21 +01:00
pr126409.ll
[Reland][SCEV] teach isImpliedViaOperations about samesign (#133711)
2025-04-02 18:45:33 +08:00
predicated_ranges.ll
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preserve-memoryssa.ll
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preserve-nsw-during-expansion.ll
[IR] Convert from nocapture to captures(none) (#123181)
2025-01-29 16:56:47 +01:00
preserve-signed-wrap.ll
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preserving-debugloc-rem-div.ll
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preserving-debugloc-sat-overflow.ll
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preserving-debugloc.ll
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promote-iv-to-eliminate-casts.ll
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ptrtoint-global-cmp.ll
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range-iter-threshold.ll
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replace-loop-exit-folds.ll
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replace-sdiv-by-udiv.ll
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replace-srem-by-urem.ll
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rewrite-loop-exit-value.ll
[InstCombine] Fold X udiv Y to X lshr cttz(Y) if Y is a power of 2 (#121386)
2025-01-11 13:56:13 +08:00
rewrite-loop-exit-values-phi.ll
IndVarSimplify: improve a test, stripping undef (#126069)
2025-02-06 18:10:20 +00:00
rlev-add-me.ll
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scev-expander-preserve-lcssa.ll
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scev-invalidation.ll
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scevexpander-phi-base-case.ll
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sentinel.ll
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shared-exit-between-nested-loop.ll
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sharpen-range.ll
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shift-range-checks.ll
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shrunk-constant.ll
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signed-trip-count.ll
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simplify-pointer-arithmetic.ll
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single-element-range.ll
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sink-alloca.ll
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sink-from-preheader.ll
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sink-trapping.ll
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strengthen-overflow.ll
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trip-count-expansion-loop-guard-preserve-nsw.ll
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tripcount_compute.ll
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tripcount_infinite.ll
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trivial-checks.ll
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trivial-guard.ll
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turn-to-invariant.ll
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udiv-invariant-but-traps.ll
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udiv.ll
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ult-sub-to-eq.ll
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use-range-metadata.ll
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variable-stride-ivs-0.ll
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widen-i32-i8ptr.ll
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widen-nonnegative-countdown.ll
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widen-nonnegative.ll
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zext-nuw.ll
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