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2b896fc0d5bf5091c1933bd7f5bbeeccca031d46
archived-llvm-mirror/test/Transforms/IndVarSimplify
History
Sanjay Patel 5d538c6cd1 [IndVars] avoid crash in LFTR when assuming an add recurrence 
The test is a crasher reduced from:
https://llvm.org/PR49993

linearFunctionTestReplace() assumes that we have an add recurrence,
so check for that as a condition of matching a loop counter.

Differential Revision: https://reviews.llvm.org/D101291
2021-04-27 08:26:02 -04:00
..
AMDGPU
Revert "Temporarily Revert "Add basic loop fusion pass.""
2019-04-17 04:52:47 +00:00
ARM
[NFCI] SCEVExpander: emit intrinsics for integral {u,s}{min,max} SCEV expressions
2021-03-06 21:52:46 +03:00
NVPTX
Revert "Temporarily Revert "Add basic loop fusion pass.""
2019-04-17 04:52:47 +00:00
X86
[PassManager] Run additional LICM before LoopRotate
2021-04-02 11:11:42 +03:00
2002-09-09-PointerIndVar.ll
Revert "Temporarily Revert "Add basic loop fusion pass.""
2019-04-17 04:52:47 +00:00
2003-04-16-ExprAnalysis.ll
Revert "Temporarily Revert "Add basic loop fusion pass.""
2019-04-17 04:52:47 +00:00
2003-09-23-NotAtTop.ll
Revert "Temporarily Revert "Add basic loop fusion pass.""
2019-04-17 04:52:47 +00:00
2003-12-10-RemoveInstrCrash.ll
Revert "Temporarily Revert "Add basic loop fusion pass.""
2019-04-17 04:52:47 +00:00
2003-12-15-Crash.ll
Revert "Temporarily Revert "Add basic loop fusion pass.""
2019-04-17 04:52:47 +00:00
2004-03-10-PHIInsertionBug.ll
Revert "Temporarily Revert "Add basic loop fusion pass.""
2019-04-17 04:52:47 +00:00
2004-04-05-InvokeCastCrash.ll
Revert "Temporarily Revert "Add basic loop fusion pass.""
2019-04-17 04:52:47 +00:00
2004-04-07-ScalarEvolutionCrash.ll
Revert "Temporarily Revert "Add basic loop fusion pass.""
2019-04-17 04:52:47 +00:00
2005-02-11-InvokeCrash.ll
Revert "Temporarily Revert "Add basic loop fusion pass.""
2019-04-17 04:52:47 +00:00
2005-02-17-TruncateExprCrash.ll
Revert "Temporarily Revert "Add basic loop fusion pass.""
2019-04-17 04:52:47 +00:00
2005-02-26-ExitValueCompute.ll
Revert "Temporarily Revert "Add basic loop fusion pass.""
2019-04-17 04:52:47 +00:00
2005-06-15-InstMoveCrash.ll
Revert "Temporarily Revert "Add basic loop fusion pass.""
2019-04-17 04:52:47 +00:00
2005-11-18-Crash.ll
Revert "Temporarily Revert "Add basic loop fusion pass.""
2019-04-17 04:52:47 +00:00
2006-03-31-NegativeStride.ll
Revert "Temporarily Revert "Add basic loop fusion pass.""
2019-04-17 04:52:47 +00:00
2006-06-16-Indvar-LCSSA-Crash.ll
Revert "Temporarily Revert "Add basic loop fusion pass.""
2019-04-17 04:52:47 +00:00
2006-09-20-LFTR-Crash.ll
Revert "Temporarily Revert "Add basic loop fusion pass.""
2019-04-17 04:52:47 +00:00
2006-12-10-BitCast.ll
Revert "Temporarily Revert "Add basic loop fusion pass.""
2019-04-17 04:52:47 +00:00
2007-01-06-TripCount.ll
Revert "Temporarily Revert "Add basic loop fusion pass.""
2019-04-17 04:52:47 +00:00
2007-06-06-DeleteDanglesPtr.ll
Revert "Temporarily Revert "Add basic loop fusion pass.""
2019-04-17 04:52:47 +00:00
2007-11-23-BitcastCrash.ll
Revert "Temporarily Revert "Add basic loop fusion pass.""
2019-04-17 04:52:47 +00:00
2008-06-15-SCEVExpanderBug.ll
Revert "Temporarily Revert "Add basic loop fusion pass.""
2019-04-17 04:52:47 +00:00
2008-09-02-IVType.ll
Revert "Temporarily Revert "Add basic loop fusion pass.""
2019-04-17 04:52:47 +00:00
2008-10-03-CouldNotCompute.ll
Revert "Temporarily Revert "Add basic loop fusion pass.""
2019-04-17 04:52:47 +00:00
2008-11-25-APFloatAssert.ll
Revert "Temporarily Revert "Add basic loop fusion pass.""
2019-04-17 04:52:47 +00:00
2009-04-22-IndvarCrash.ll
Revert "Temporarily Revert "Add basic loop fusion pass.""
2019-04-17 04:52:47 +00:00
2009-04-27-Floating.ll
Revert "Temporarily Revert "Add basic loop fusion pass.""
2019-04-17 04:52:47 +00:00
2009-05-24-useafterfree.ll
Revert "Temporarily Revert "Add basic loop fusion pass.""
2019-04-17 04:52:47 +00:00
2011-09-10-widen-nsw.ll
Revert "Temporarily Revert "Add basic loop fusion pass.""
2019-04-17 04:52:47 +00:00
2011-09-19-vectoriv.ll
Revert "Temporarily Revert "Add basic loop fusion pass.""
2019-04-17 04:52:47 +00:00
2011-09-27-hoistsext.ll
Revert "Temporarily Revert "Add basic loop fusion pass.""
2019-04-17 04:52:47 +00:00
2011-10-27-lftrnull.ll
[SCEV] Add false->any implication
2021-03-19 11:29:48 +07:00
2011-11-01-lftrptr.ll
Reland [SCEV] Improve modelling for (null) pointer constants
2021-03-13 16:05:34 +03:00
2011-11-17-selfphi.ll
Revert "Temporarily Revert "Add basic loop fusion pass.""
2019-04-17 04:52:47 +00:00
2012-10-19-congruent-constant.ll
Revert "Temporarily Revert "Add basic loop fusion pass.""
2019-04-17 04:52:47 +00:00
2014-06-21-congruent-constant.ll
[NewPM][LoopUnswitch] Pin loop-unswitch to legacy PM or use simple-loop-unswitch
2020-08-06 10:56:00 -07:00
2020-12-15-trunc-bug-expensive-range-inference.ll
[SCEV] Add missing type check into getRangeForAffineNoSelfWrappingAR
2020-12-15 14:50:32 +07:00
ada-loops.ll
Revert "Temporarily Revert "Add basic loop fusion pass.""
2019-04-17 04:52:47 +00:00
addrec_no_exec_on_every_iteration.ll
Return "[SCEV] Prove implicaitons via AddRec start"
2020-10-08 11:15:35 +07:00
ashr-expansion.ll
Revert "[SCEV] Model ashr exact x, C as (abs(x) EXACT/u (1<<C)) * signum(x)"
2021-04-18 16:26:45 +03:00
ashr-tripcount.ll
Revert "Temporarily Revert "Add basic loop fusion pass.""
2019-04-17 04:52:47 +00:00
avoid-i0.ll
Revert "Temporarily Revert "Add basic loop fusion pass.""
2019-04-17 04:52:47 +00:00
backedge-on-min-max.ll
Revert "Temporarily Revert "Add basic loop fusion pass.""
2019-04-17 04:52:47 +00:00
bec-cmp.ll
Revert "Temporarily Revert "Add basic loop fusion pass.""
2019-04-17 04:52:47 +00:00
canonicalize-cmp.ll
[Test] Auto-generated checks for some IndVarSimplify tests
2020-09-08 11:15:40 +07:00
casted-argument.ll
Revert "Temporarily Revert "Add basic loop fusion pass.""
2019-04-17 04:52:47 +00:00
checks_against_min_value.ll
[IndVars] Provide eliminateIVComparison with context
2021-03-19 12:28:22 +07:00
const_phi.ll
Revert "Temporarily Revert "Add basic loop fusion pass.""
2019-04-17 04:52:47 +00:00
constant_result.ll
Revert "Temporarily Revert "Add basic loop fusion pass.""
2019-04-17 04:52:47 +00:00
constant-fold.ll
Revert "Temporarily Revert "Add basic loop fusion pass.""
2019-04-17 04:52:47 +00:00
crash.ll
Revert "Temporarily Revert "Add basic loop fusion pass.""
2019-04-17 04:52:47 +00:00
dangling-use.ll
Revert "Temporarily Revert "Add basic loop fusion pass.""
2019-04-17 04:52:47 +00:00
divide-pointer.ll
Revert "Temporarily Revert "Add basic loop fusion pass.""
2019-04-17 04:52:47 +00:00
dont-recompute.ll
Revert "[SCEV] rewriteLoopExitValues(): even if have hard uses, still rewrite if cheap (PR44668)"
2020-04-03 20:15:04 +03:00
drop-exact.ll
Revert "Temporarily Revert "Add basic loop fusion pass.""
2019-04-17 04:52:47 +00:00
elim-extend.ll
[NFCI] SCEVExpander: emit intrinsics for integral {u,s}{min,max} SCEV expressions
2021-03-06 21:52:46 +03:00
eliminate-comparison.ll
[IndVars] Sharpen context in eliminateIVComparison
2021-03-22 11:55:57 +07:00
eliminate-exit-no-dl.ll
[IndVars] Fix a subtle bug in optimizeLoopExits
2019-07-23 17:45:11 +00:00
eliminate-exit.ll
[IndVars] Fix sort comparator.
2020-02-27 17:25:18 -08:00
eliminate-max.ll
Revert "Temporarily Revert "Add basic loop fusion pass.""
2019-04-17 04:52:47 +00:00
eliminate-overflow-modified.ll
[IndVarSimplify] Fix Modified status for removal of overflow intrinsics
2020-09-29 13:20:59 +02:00
eliminate-rem.ll
Revert "Temporarily Revert "Add basic loop fusion pass.""
2019-04-17 04:52:47 +00:00
eliminate-sat.ll
[SimplifyIndVar] Simplify non-overflowing saturating add/sub
2019-06-15 08:48:52 +00:00
exit_value_test2.ll
[LoopDeletion] Break backedge of outermost loops when known not taken
2021-01-10 16:02:33 -08:00
exit_value_test3.ll
Revert "Temporarily Revert "Add basic loop fusion pass.""
2019-04-17 04:52:47 +00:00
exit_value_tests.ll
[SimplifyCFG] MergeBlockIntoPredecessor() already knows how to preserve DomTree
2020-12-17 01:03:49 +03:00
floating-point-iv.ll
[SCEV] Drop cached ranges of AddRecs after flag update
2020-11-10 12:37:12 +07:00
full_widening.ll
[NFCI] SCEVExpander: emit intrinsics for integral {u,s}{min,max} SCEV expressions
2021-03-06 21:52:46 +03:00
indirectbr.ll
Revert "Temporarily Revert "Add basic loop fusion pass.""
2019-04-17 04:52:47 +00:00
infer-poison-flags.ll
[Test] Auto-update for some tests
2020-10-14 17:03:33 +07:00
interesting-invoke-use.ll
OpaquePtr: Update more tests to use typed sret
2020-11-20 20:08:43 -05:00
iterationCount_zext_or_trunc.ll
Revert "Temporarily Revert "Add basic loop fusion pass.""
2019-04-17 04:52:47 +00:00
iv-fold.ll
Revert "Temporarily Revert "Add basic loop fusion pass.""
2019-04-17 04:52:47 +00:00
iv-sext.ll
Revert "Temporarily Revert "Add basic loop fusion pass.""
2019-04-17 04:52:47 +00:00
iv-widen-elim-ext.ll
[IndVarSimplify] Extend previous special case for load use instruction to any narrow type loop variant to avoid extra trunc instruction
2020-03-05 16:27:59 -05:00
iv-zext.ll
Revert "Temporarily Revert "Add basic loop fusion pass.""
2019-04-17 04:52:47 +00:00
lcssa-preservation.ll
[NFCI] SCEVExpander: emit intrinsics for integral {u,s}{min,max} SCEV expressions
2021-03-06 21:52:46 +03:00
lftr_disabled.ll
[IndVarSimplify] Generate full checks for some LFTR tests; NFC
2019-04-20 12:05:53 +00:00
lftr-address-space-pointers.ll
[LFTR] Use SCEVExpander for the pointer limit case instead of manual IR gen
2019-07-03 20:03:46 +00:00
lftr-dead-ivs.ll
[Test] Auto-update for some tests
2020-10-14 17:03:33 +07:00
lftr-multi-exit.ll
[NFCI] SCEVExpander: emit intrinsics for integral {u,s}{min,max} SCEV expressions
2021-03-06 21:52:46 +03:00
lftr-pr20680.ll
[LoopPred] Selectively disable to preserve test cases
2019-11-06 15:41:57 -08:00
lftr-pr31181.ll
[Test] Auto-update for some tests
2020-10-14 17:03:33 +07:00
lftr-pr41998.ll
[LFTR] Use SCEVExpander for the pointer limit case instead of manual IR gen
2019-07-03 20:03:46 +00:00
lftr-promote.ll
[IndVarSimplify] Generate full checks for some LFTR tests; NFC
2019-04-20 12:05:53 +00:00
lftr-reuse.ll
[NFCI] SCEVExpander: emit intrinsics for integral {u,s}{min,max} SCEV expressions
2021-03-06 21:52:46 +03:00
lftr.ll
[IndVars] avoid crash in LFTR when assuming an add recurrence
2021-04-27 08:26:02 -04:00
loop_evaluate7.ll
Revert "Temporarily Revert "Add basic loop fusion pass.""
2019-04-17 04:52:47 +00:00
loop_evaluate8.ll
Revert "Temporarily Revert "Add basic loop fusion pass.""
2019-04-17 04:52:47 +00:00
loop_evaluate9.ll
OpaquePtr: Bulk update tests to use typed byval
2020-11-20 14:00:46 -05:00
loop_evaluate11.ll
Revert "Temporarily Revert "Add basic loop fusion pass.""
2019-04-17 04:52:47 +00:00
loop_evaluate_1.ll
[SimplifyCFG] Teach FoldTwoEntryPHINode() to preserve DomTree
2020-12-20 00:18:33 +03:00
loop_evaluate_2.ll
[SimplifyCFG] Teach FoldTwoEntryPHINode() to preserve DomTree
2020-12-20 00:18:33 +03:00
loop_evaluate_3.ll
Revert "Temporarily Revert "Add basic loop fusion pass.""
2019-04-17 04:52:47 +00:00
loop_evaluate_4.ll
Revert "Temporarily Revert "Add basic loop fusion pass.""
2019-04-17 04:52:47 +00:00
loop_evaluate_5.ll
Revert "Temporarily Revert "Add basic loop fusion pass.""
2019-04-17 04:52:47 +00:00
loop_evaluate_6.ll
Revert "Temporarily Revert "Add basic loop fusion pass.""
2019-04-17 04:52:47 +00:00
loop-predication.ll
[NFCI] SCEVExpander: emit intrinsics for integral {u,s}{min,max} SCEV expressions
2021-03-06 21:52:46 +03:00
lrev-existing-umin.ll
Revert "[SCEV] rewriteLoopExitValues(): even if have hard uses, still rewrite if cheap (PR44668)"
2020-04-03 20:15:04 +03:00
masked-iv.ll
Revert "Temporarily Revert "Add basic loop fusion pass.""
2019-04-17 04:52:47 +00:00
monotonic_checks.ll
Return "[IndVars] Remove monotonic checks with unknown exit count"
2020-10-28 18:51:40 +07:00
no-iv-rewrite.ll
[NFCI] SCEVExpander: emit intrinsics for integral {u,s}{min,max} SCEV expressions
2021-03-06 21:52:46 +03:00
phi-uses-value-multiple-times.ll
Revert "Temporarily Revert "Add basic loop fusion pass.""
2019-04-17 04:52:47 +00:00
post-inc-range.ll
Revert "Temporarily Revert "Add basic loop fusion pass.""
2019-04-17 04:52:47 +00:00
pr18223.ll
[Test] Auto-generated checks for some IndVarSimplify tests
2020-09-08 11:15:40 +07:00
pr22222.ll
Revert "Temporarily Revert "Add basic loop fusion pass.""
2019-04-17 04:52:47 +00:00
pr24783.ll
Revert "Temporarily Revert "Add basic loop fusion pass.""
2019-04-17 04:52:47 +00:00
pr24952.ll
Revert "Temporarily Revert "Add basic loop fusion pass.""
2019-04-17 04:52:47 +00:00
pr25060.ll
Revert "Temporarily Revert "Add basic loop fusion pass.""
2019-04-17 04:52:47 +00:00
pr25578.ll
Revert "Temporarily Revert "Add basic loop fusion pass.""
2019-04-17 04:52:47 +00:00
pr26974.ll
Revert "Temporarily Revert "Add basic loop fusion pass.""
2019-04-17 04:52:47 +00:00
pr28705.ll
Revert "[SCEV] rewriteLoopExitValues(): even if have hard uses, still rewrite if cheap (PR44668)"
2020-04-03 20:15:04 +03:00
pr32045.ll
Revert "Temporarily Revert "Add basic loop fusion pass.""
2019-04-17 04:52:47 +00:00
pr38674.ll
[LoopPred] Selectively disable to preserve test cases
2019-11-06 15:41:57 -08:00
pr38855.ll
[FunctionAttrs] Rename functionattrs -> function-attrs
2020-07-28 09:09:13 -07:00
pr39673.ll
Revert "[SCEV] rewriteLoopExitValues(): even if have hard uses, still rewrite if cheap (PR44668)"
2020-04-03 20:15:04 +03:00
pr40454.ll
Revert "Temporarily Revert "Add basic loop fusion pass.""
2019-04-17 04:52:47 +00:00
pr45835.ll
[IndVarSimplify][LoopUtils] Avoid TOCTOU/ordering issues (PR45835)
2020-05-21 13:05:55 +03:00
predicated_ranges.ll
[IndVars] Use isLoopBackedgeGuardedByCond for last iteration check
2020-11-26 12:37:21 +07:00
preserve-memoryssa.ll
[IndVarSimplify] Fix for MemorySSA preserve.
2020-01-23 11:06:16 -08:00
preserve-signed-wrap.ll
Revert "Temporarily Revert "Add basic loop fusion pass.""
2019-04-17 04:52:47 +00:00
promote-iv-to-eliminate-casts.ll
Revert D89381 "[SCEV] Recommit "Use nw flag and symbolic iteration count to sharpen ranges of AddRecs", attempt 2"
2020-10-20 21:03:58 -07:00
replace-loop-exit-folds.ll
[NFCI] SCEVExpander: emit intrinsics for integral {u,s}{min,max} SCEV expressions
2021-03-06 21:52:46 +03:00
replace-sdiv-by-udiv.ll
Revert "Temporarily Revert "Add basic loop fusion pass.""
2019-04-17 04:52:47 +00:00
replace-srem-by-urem.ll
Revert "Temporarily Revert "Add basic loop fusion pass.""
2019-04-17 04:52:47 +00:00
rewrite-loop-exit-value.ll
[IndVars] Extend reasoning about loop invariant exits to non-header blocks
2019-05-14 17:20:10 +00:00
rewrite-loop-exit-values-phi.ll
[IndVarSimplify] Fix Modified status when handling dead PHI nodes
2020-11-26 14:28:21 +01:00
rlev-add-me.ll
[IndVars] Fix a bug noticed by inspection
2019-08-23 04:03:23 +00:00
scev-expander-preserve-lcssa.ll
[test] Fix scev-expander-preserve-lcssa.ll under NPM
2020-12-10 09:46:08 -08:00
scevexpander-phi-base-case.ll
Revert "Temporarily Revert "Add basic loop fusion pass.""
2019-04-17 04:52:47 +00:00
sentinel.ll
[NFCI] SCEVExpander: emit intrinsics for integral {u,s}{min,max} SCEV expressions
2021-03-06 21:52:46 +03:00
shared-exit-between-nested-loop.ll
[IndVarSimplify] Notify top most loop to drop cached exit counts
2020-11-19 15:37:54 +08:00
sharpen-range.ll
Revert "Temporarily Revert "Add basic loop fusion pass.""
2019-04-17 04:52:47 +00:00
shrunk-constant.ll
[test] Fix shrunk-constant.ll under NPM
2020-10-21 21:21:24 -07:00
signed-trip-count.ll
Revert "Temporarily Revert "Add basic loop fusion pass.""
2019-04-17 04:52:47 +00:00
simplify-pointer-arithmetic.ll
[IndVars] Add test cases inspired by PR48965.
2021-02-25 15:54:18 +00:00
single-element-range.ll
Revert "Temporarily Revert "Add basic loop fusion pass.""
2019-04-17 04:52:47 +00:00
sink-alloca.ll
Revert "Temporarily Revert "Add basic loop fusion pass.""
2019-04-17 04:52:47 +00:00
sink-from-preheader.ll
[LoopPred] Selectively disable to preserve test cases
2019-11-06 15:41:57 -08:00
sink-trapping.ll
Revert "Temporarily Revert "Add basic loop fusion pass.""
2019-04-17 04:52:47 +00:00
strengthen-overflow.ll
Revert "Temporarily Revert "Add basic loop fusion pass.""
2019-04-17 04:52:47 +00:00
tripcount_compute.ll
Revert "Temporarily Revert "Add basic loop fusion pass.""
2019-04-17 04:52:47 +00:00
tripcount_infinite.ll
[NFCI][SimplifyCFG] Mark all the SimplifyCFG tests that already don't invalidate DomTree as such
2020-12-17 01:03:49 +03:00
trivial-checks.ll
[Test] Add tests showing that IndVars cannot prove (X + 1 > X)
2020-09-17 22:37:43 +07:00
trivial-guard.ll
[SCEV] Add false->any implication
2021-03-19 11:29:48 +07:00
udiv-invariant-but-traps.ll
Revert "Temporarily Revert "Add basic loop fusion pass.""
2019-04-17 04:52:47 +00:00
udiv.ll
Revert "Temporarily Revert "Add basic loop fusion pass.""
2019-04-17 04:52:47 +00:00
ult-sub-to-eq.ll
[LFTR] Hoist extend expressions outside of loops w/o waiting for LICM
2019-07-03 18:18:36 +00:00
use-range-metadata.ll
Revert "Temporarily Revert "Add basic loop fusion pass.""
2019-04-17 04:52:47 +00:00
variable-stride-ivs-0.ll
Revert "Temporarily Revert "Add basic loop fusion pass.""
2019-04-17 04:52:47 +00:00
widen-i32-i8ptr.ll
Reland [SCEV] Improve modelling for (null) pointer constants
2021-03-13 16:05:34 +03:00
widen-loop-comp.ll
[NFCI] SCEVExpander: emit intrinsics for integral {u,s}{min,max} SCEV expressions
2021-03-06 21:52:46 +03:00
zext-nuw.ll
[IndVars] Regenerate test checks (NFC)
2020-11-02 22:31:11 +01:00