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clang-p2996/llvm/test/Transforms/IndVarSimplify
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Florian Hahn 8f79754225 [SCEV] Better preserve wrapping info in SimplifyICmpOperands for UGE. (#144404) 
Update SimplifyICmpOperands to only try subtracting 1 from RHS first, if
RHS is an op we can fold the subtract directly into. Otherwise try
adding to LHS first, as we can preserve NUW flags.

This improves results in a few cases, including the modified test case
from berkeley-abc and new code to be added in
https://github.com/llvm/llvm-project/pull/128061.

Note that there are more cases where the results can be improved by
better ordering here which I'll try to investigate as follow-up.

PR: https://github.com/llvm/llvm-project/pull/144404
2025-06-17 15:30:08 +01:00
..
AArch64
[SCEV] Add additional test coverage for loop-guards reasoning.
2025-06-01 22:39:37 +01:00
AMDGPU
[AMDGPU] Remove explicit datalayout from tests where not needed
2025-04-30 10:58:17 -07:00
ARM
[IndVarsSimplify] sinkUnusedInvariants is skipping instructions while sinking. (#135205)
2025-04-17 19:21:18 -05:00
NVPTX
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X86
[llvm] Remove br i1 undef from some regression tests [NFC] (#116161)
2024-11-15 14:19:50 +00:00
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
[llvm] Remove br i1 undef from some regression tests [NFC] (#116161)
2024-11-15 14:19:50 +00:00
2003-12-15-Crash.ll
[llvm] Remove br i1 undef from some regression tests [NFC] (#116161)
2024-11-15 14:19:50 +00:00
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
[llvm] Remove br i1 undef from some regression tests [NFC] (#116161)
2024-11-15 14:19:50 +00:00
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
[llvm] Remove br i1 undef from some regression tests [NFC] (#116161)
2024-11-15 14:19:50 +00:00
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
[llvm] Remove br i1 undef from some regression tests [NFC] (#116161)
2024-11-15 14:19:50 +00:00
2011-09-10-widen-nsw.ll
[llvm] Remove br i1 undef from some regression tests [NFC] (#116161)
2024-11-15 14:19:50 +00:00
2011-09-19-vectoriv.ll
[llvm] Remove br i1 undef from some regression tests [NFC] (#116161)
2024-11-15 14:19:50 +00:00
2011-09-27-hoistsext.ll
…
2011-10-27-lftrnull.ll
[llvm] Remove br i1 undef from some regression tests [NFC] (#116161)
2024-11-15 14:19:50 +00:00
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
[llvm] Remove br i1 undef from some regression tests [NFC] (#116161)
2024-11-15 14:19:50 +00:00
2020-12-15-trunc-bug-expensive-range-inference.ll
[llvm] Remove br i1 undef from some regression tests [NFC] (#116161)
2024-11-15 14:19:50 +00:00
ada-loops.ll
[IR] Convert from nocapture to captures(none) (#123181)
2025-01-29 16:56:47 +01:00
add-nsw-zext-fold.ll
[SCEV] Add more tests with zext(add C, %var)<nsw>.
2025-06-03 22:03:20 +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
[llvm] Remove br i1 undef from some regression tests [NFC] (#116161)
2024-11-15 14:19:50 +00:00
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
[IndVarSimplify] Set samesign when converting signed comparison to unsigned comparison in eliminateIVComparison. (#138215)
2025-05-02 08:17:45 -07:00
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
[llvm] Remove br i1 undef from some regression tests [NFC] (#116161)
2024-11-15 14:19:50 +00:00
constant_result.ll
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constant-fold.ll
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crash.ll
[llvm] Remove br i1 undef from some regression tests [NFC] (#116161)
2024-11-15 14:19:50 +00:00
cycled_phis.ll
[IndVarSimplify] Set samesign when converting signed comparison to unsigned comparison in eliminateIVComparison. (#138215)
2025-05-02 08:17:45 -07:00
D108043.ll
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dangling-use.ll
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debugloc-rem-subst.ll
[DebugInfo][IndVarSimplify] Propagate source loc when simplifying rem (#135399)
2025-04-17 17:30:09 +01:00
deterministic-sign.ll
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divide-pointer.ll
[llvm] Remove br i1 undef from some regression tests [NFC] (#116161)
2024-11-15 14:19:50 +00:00
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
[llvm] Remove br i1 undef from some regression tests [NFC] (#116161)
2024-11-15 14:19:50 +00:00
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
[IndVarSimplify] Convert more tests to opaque pointers (NFC)
2022-12-14 15:37:58 +01:00
exit_value_test3.ll
[IndVarsSimplify] sinkUnusedInvariants is skipping instructions while sinking. (#135205)
2025-04-17 19:21:18 -05:00
exit_value_tests.ll
[SCEV] Don't require positive BTC when non-zero is sufficient
2023-10-09 14:42:09 +02:00
exit-count-select.ll
[IndVarsSimplify] sinkUnusedInvariants is skipping instructions while sinking. (#135205)
2025-04-17 19:21:18 -05:00
finite-exit-comparisons.ll
[IndVarsSimplify] sinkUnusedInvariants is skipping instructions while sinking. (#135205)
2025-04-17 19:21:18 -05:00
floating-point-iv.ll
[IndVarSimplify] Set samesign when converting signed comparison to unsigned comparison in eliminateIVComparison. (#138215)
2025-05-02 08:17:45 -07:00
floating-point-small-iv.ll
[IndVarSimplify] Set samesign when converting signed comparison to unsigned comparison in eliminateIVComparison. (#138215)
2025-05-02 08:17:45 -07:00
full_widening.ll
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hoist-wide-inc-for-narrow-use-recompute-flags.ll
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implied-via-addition.ll
[IndVarSimplify] Set samesign when converting signed comparison to unsigned comparison in eliminateIVComparison. (#138215)
2025-05-02 08:17:45 -07:00
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
[SCEV] Disallow simplifying phi(undef, X) to X (#115109)
2024-11-07 15:53:51 +08:00
iterationCount_zext_or_trunc.ll
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iv-cmp-sext.ll
[IndVars] Teach widenLoopCompare to use sext if narrow IV is positive and other operand is already sext. (#142703)
2025-06-10 12:52:39 -07:00
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
[IndVarSimplify] Set samesign when converting signed comparison to unsigned comparison in eliminateIVComparison. (#138215)
2025-05-02 08:17:45 -07:00
iv-widen-elim-ext.ll
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iv-zext.ll
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lcssa-preservation.ll
[llvm] Remove br i1 undef from some regression tests [NFC] (#116161)
2024-11-15 14:19:50 +00:00
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
[IndVarSimplify] Set samesign when converting signed comparison to unsigned comparison in eliminateIVComparison. (#138215)
2025-05-02 08:17:45 -07:00
loop_evaluate7.ll
[llvm] Remove br i1 undef from some regression tests [NFC] (#116161)
2024-11-15 14:19:50 +00:00
loop_evaluate8.ll
[llvm] Remove br i1 undef from some regression tests [NFC] (#116161)
2024-11-15 14:19:50 +00:00
loop_evaluate9.ll
[IndVarSimplify] Convert tests to opaque pointers (NFC)
2022-12-13 14:50:13 +01:00
loop_evaluate11.ll
[llvm] Remove br i1 undef from some regression tests [NFC] (#116161)
2024-11-15 14:19:50 +00:00
loop_evaluate_1.ll
[NFC] Port all IndVarSimplify tests to -passes= syntax
2022-12-07 22:22:09 +03:00
loop_evaluate_2.ll
[test] Fixup tests with -analyze in llvm/test/Transforms
2021-09-04 16:45:51 -07:00
loop_evaluate_3.ll
[test][IndVarSimplify] Use -passes syntax in RUN lines. NFC
2022-10-13 10:44:37 +02:00
loop_evaluate_4.ll
[test][IndVarSimplify] Use -passes syntax in RUN lines. NFC
2022-10-13 10:44:37 +02:00
loop_evaluate_5.ll
[test][IndVarSimplify] Use -passes syntax in RUN lines. NFC
2022-10-13 10:44:37 +02:00
loop_evaluate_6.ll
[NFC] Port all IndVarSimplify tests to -passes= syntax
2022-12-07 22:22:09 +03:00
loop-guard-order.ll
[SCEV] Add additional test coverage for loop-guards reasoning.
2025-06-01 22:39:37 +01:00
loop-predication.ll
[IndVarSimplify] Convert more tests to opaque pointers (NFC)
2022-12-14 15:37:58 +01:00
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
[llvm] Remove br i1 undef from some regression tests [NFC] (#116161)
2024-11-15 14:19:50 +00:00
opaque-ptr.ll
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outer_phi.ll
[IndVarSimplify] Convert tests to opaque pointers (NFC)
2022-12-13 14:50:13 +01:00
phi-select.ll
[IndVars] Add test for crash exposed by D114650.
2022-04-22 10:44:29 +01:00
phi-uses-value-multiple-times.ll
[llvm] Remove br i1 undef from some regression tests [NFC] (#116161)
2024-11-15 14:19:50 +00:00
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
[llvm] Remove br i1 undef from some regression tests [NFC] (#116161)
2024-11-15 14:19:50 +00:00
pr26974.ll
[llvm] Remove br i1 undef from some regression tests [NFC] (#116161)
2024-11-15 14:19:50 +00:00
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
[llvm] Remove br i1 undef from some regression tests [NFC] (#116161)
2024-11-15 14:19:50 +00:00
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
[IndVarsSimplify] sinkUnusedInvariants is skipping instructions while sinking. (#135205)
2025-04-17 19:21:18 -05:00
pr64891.ll
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pr66066.ll
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pr66986.ll
[IndVarSimplify] Set samesign when converting signed comparison to unsigned comparison in eliminateIVComparison. (#138215)
2025-05-02 08:17:45 -07:00
pr68260.ll
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pr79861.ll
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pr102597.ll
[IndVarSimplify] Set samesign when converting signed comparison to unsigned comparison in eliminateIVComparison. (#138215)
2025-05-02 08:17:45 -07:00
pr106239.ll
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pr116483.ll
[IndVarsSimplify] sinkUnusedInvariants is skipping instructions while sinking. (#135205)
2025-04-17 19:21:18 -05:00
pr117133.ll
[SCEV] Do not allow refinement in the rewriting of BEValue (#117152)
2024-12-01 20:11:09 +08:00
pr126012.ll
[IndVarSimplify] Set samesign when converting signed comparison to unsigned comparison in eliminateIVComparison. (#138215)
2025-05-02 08:17:45 -07:00
pr126409.ll
[Reland][SCEV] teach isImpliedViaOperations about samesign (#133711)
2025-04-02 18:45:33 +08:00
pr135182.ll
[IndVarSimplify] Handle the case where both operands are the same when widening IV (#135207)
2025-04-11 09:03:06 +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
[IndVarSimplify] Set samesign when converting signed comparison to unsigned comparison in eliminateIVComparison. (#138215)
2025-05-02 08:17:45 -07:00
promote-iv-to-eliminate-casts.ll
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ptrtoint-global-cmp.ll
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range-iter-threshold.ll
[SCEV] Fix finite loop non-strict predicate simplification (PR60944)
2023-03-14 10:55:02 +01:00
replace-loop-exit-folds.ll
[IndVarsSimplify] sinkUnusedInvariants is skipping instructions while sinking. (#135205)
2025-04-17 19:21:18 -05:00
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
[IndVarSimplify] Set samesign when converting signed comparison to unsigned comparison in eliminateIVComparison. (#138215)
2025-05-02 08:17:45 -07:00
scevexpander-phi-base-case.ll
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sentinel.ll
[IndVarsSimplify] sinkUnusedInvariants is skipping instructions while sinking. (#135205)
2025-04-17 19:21:18 -05:00
shared-exit-between-nested-loop.ll
[IndVarSimplify] Convert tests to opaque pointers (NFC)
2022-12-13 14:50:13 +01:00
sharpen-range.ll
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shift-range-checks.ll
[IndVarSimplify] Set samesign when converting signed comparison to unsigned comparison in eliminateIVComparison. (#138215)
2025-05-02 08:17:45 -07:00
shrunk-constant.ll
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signed-trip-count.ll
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simplify-icmp-operands-order.ll
[SCEV] Better preserve wrapping info in SimplifyICmpOperands for UGE. (#144404)
2025-06-17 15:30:08 +01:00
simplify-pointer-arithmetic.ll
[IndVarSimplify] Convert tests to opaque pointers (NFC)
2022-12-13 14:50:13 +01:00
single-element-range.ll
[llvm] Remove br i1 undef from some regression tests [NFC] (#116161)
2024-11-15 14:19:50 +00:00
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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