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llvm-project/llvm/test/Transforms/IndVarSimplify
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Yingwei Zheng d15fef4209 [IndVarSimplify] Handle the case where both operands are the same when widening IV (#135207) 
`WidenIV::widenWithVariantUse` assumes that exactly one of the binop
operands is the IV to be widened. This miscompilation happens when it
tries to sign-extend the "NonIV" operand while the IV is zero-extended.
Closes https://github.com/llvm/llvm-project/issues/135182.

(cherry picked from commit d14acb78065bdd331019924feaaef52e5e744529)
2025-04-11 11:51:02 -07:00
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AArch64
[llvm] Remove br i1 undef from some regression tests [NFC] (#116161)
2024-11-15 14:19:50 +00:00
AMDGPU
[AMDGPU] - Add address space for strided buffers (#74471)
2023-12-15 15:49:25 +01:00
ARM
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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
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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
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addrec_no_exec_on_every_iteration.ll
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ashr-expansion.ll
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ashr-tripcount.ll
[Tests] Add disjoint flag to some tests (NFC)
2023-12-05 14:09:36 +01:00
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
[Pass] Add hyphen to some pass names (#74287)
2024-01-25 16:05:54 +08:00
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
[llvm] Remove br i1 undef from some regression tests [NFC] (#116161)
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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
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D108043.ll
[SCEVExpander] Preserve gep nuw during expansion (#102133)
2024-10-02 11:45:00 +02:00
dangling-use.ll
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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
[IndVars] Mark truncs as nuw/nsw (#88686)
2024-04-16 10:42:32 +09:00
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
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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
[IndVarSimplify] Drop samesign flags after narrowing compares (#116263)
2024-11-15 09:15:37 +08:00
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
[IndVars] Mark truncs as nuw/nsw (#88686)
2024-04-16 10:42:32 +09:00
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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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-fold.ll
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iv-poison.ll
[SCEVExp] Keep NUW/NSW if both original inc and isomporphic inc agree. (#79512)
2024-02-01 11:01:29 +00:00
iv-sext.ll
[IndVars] Mark truncs as nuw/nsw (#88686)
2024-04-16 10:42:32 +09:00
iv-widen-elim-ext.ll
[IndVars] Mark truncs as nuw/nsw (#88686)
2024-04-16 10:42:32 +09:00
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
[SCEVExpander] Preserve gep nuw during expansion (#102133)
2024-10-02 11:45:00 +02:00
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
[IndVars] Preserve flags of narrow IV inc if replacing with wider inc. (#80446)
2024-02-10 18:11:17 +00:00
lftr.ll
[SCEVExpander] Preserve gep nuw during expansion (#102133)
2024-10-02 11:45:00 +02:00
loop_evaluate7.ll
[llvm] Remove br i1 undef from some regression tests [NFC] (#116161)
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loop_evaluate8.ll
[llvm] Remove br i1 undef from some regression tests [NFC] (#116161)
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loop_evaluate9.ll
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loop_evaluate11.ll
[llvm] Remove br i1 undef from some regression tests [NFC] (#116161)
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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
[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
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phi-select.ll
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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
[IndVars] Mark truncs as nuw/nsw (#88686)
2024-04-16 10:42:32 +09:00
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
[IndVars] Preserve flags of narrow IV inc if replacing with wider inc. (#80446)
2024-02-10 18:11:17 +00:00
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
[IR] Remove support for icmp and fcmp constant expressions (#93038)
2024-06-04 08:31:03 +02:00
pr50506.ll
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pr55689.ll
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pr55925.ll
[IndVars] Mark truncs as nuw/nsw (#88686)
2024-04-16 10:42:32 +09:00
pr56242.ll
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pr57247.ll
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pr58702-invalidate-scev-when-replacing-congruent-phis.ll
[Tests] Add disjoint flag to some tests (NFC)
2023-12-05 14:09:36 +01:00
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
[Tests] Add disjoint flag to some tests (NFC)
2023-12-05 14:09:36 +01:00
pr66066.ll
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pr66986.ll
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pr68260.ll
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pr79861.ll
[IndVarSimplify] Fix poison-safety when reusing instructions (#80458)
2024-02-05 10:11:39 +01:00
pr102597.ll
[SCEV] Fix incorrect extension in computeConstantDifference()
2024-08-12 15:24:37 +02:00
pr106239.ll
[IndVars] Check if WideInc available before trying to use it
2024-08-28 12:56:01 +02:00
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
pr126012.ll
[ScalarEvolution] Handle addrec incoming value in isImpliedViaMerge() (#126236)
2025-02-11 14:14:21 -08:00
pr135182.ll
[IndVarSimplify] Handle the case where both operands are the same when widening IV (#135207)
2025-04-11 11:51:02 -07:00
predicated_ranges.ll
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preserve-memoryssa.ll
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preserve-nsw-during-expansion.ll
[IndVars] Preserve flags of narrow IV inc if replacing with wider inc. (#80446)
2024-02-10 18:11:17 +00:00
preserve-signed-wrap.ll
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preserving-debugloc-rem-div.ll
[DebugInfo][SimplifyIndVar] Fix missing debug locations for div/rem instructions (#97284)
2024-07-02 15:01:48 +01:00
preserving-debugloc-sat-overflow.ll
[DebugInfo][SimplifyIndVar] Missing debug location updates for overflow/saturation instructions (#97987)
2024-07-10 13:02:58 +01:00
preserving-debugloc.ll
[DebugInfo][IndVarSimplify] Fix missing debug location updates (#91443)
2024-05-09 12:58:53 +01:00
promote-iv-to-eliminate-casts.ll
[SCEVExpander] Attempt to reinfer flags dropped due to CSE (#72431)
2023-12-07 13:20:36 -08:00
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
[SCEVExpander] Fix addrec cost model (#106704)
2024-09-19 09:39:35 +02:00
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
[llvm] Remove br i1 undef from some regression tests [NFC] (#116161)
2024-11-15 14:19:50 +00:00
shared-exit-between-nested-loop.ll
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sharpen-range.ll
[Pass] Add hyphen to some pass names (#74287)
2024-01-25 16:05:54 +08:00
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
[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
[SCEV] Preserve flags in SCEVLoopGuardRewriter for add and mul. (#91472)
2024-06-03 13:25:55 +01:00
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
[IndVars] Preserve flags of narrow IV inc if replacing with wider inc. (#80446)
2024-02-10 18:11:17 +00:00
widen-nonnegative-countdown.ll
[IndVars] Mark truncs as nuw/nsw (#88686)
2024-04-16 10:42:32 +09:00
widen-nonnegative.ll
[IndVars] Mark truncs as nuw/nsw (#88686)
2024-04-16 10:42:32 +09:00
zext-nuw.ll
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