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91371a51532af963fe4fcca3516ce3382f332cbb
llvm/test/Transforms/IndVarSimplify
T
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Philip Reames 91371a5153 [IndVars] Remove dead instructions after folding trivial loop exit 
In rL364135, I taught IndVars to fold exiting branches in loops with a zero backedge taken count (i.e. loops that only run one iteration).  This extends that to eliminate the dead comparison left around.  



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@364155 91177308-0d34-0410-b5e6-96231b3b80d8
2019-06-23 17:06:57 +00:00
..
AMDGPU
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NVPTX
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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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2019-04-17 04:52:47 +00:00
2004-03-10-PHIInsertionBug.ll
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2019-04-17 04:52:47 +00:00
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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2019-04-17 04:52:47 +00:00
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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2019-04-17 04:52:47 +00:00
2006-06-16-Indvar-LCSSA-Crash.ll
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2006-09-20-LFTR-Crash.ll
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2019-04-17 04:52:47 +00:00
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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2009-04-14-shorten_iv_vars.ll
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2009-04-15-shorten-iv-vars-2.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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2019-04-17 04:52:47 +00:00
2011-09-19-vectoriv.ll
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2011-09-27-hoistsext.ll
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2019-04-17 04:52:47 +00:00
2011-10-27-lftrnull.ll
Fix a bug w/inbounds invalidation in LFTR (recommit)
2019-06-17 20:32:22 +00:00
2011-11-01-lftrptr.ll
Fix a bug w/inbounds invalidation in LFTR (recommit)
2019-06-17 20:32:22 +00:00
2011-11-15-multiexit.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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ada-loops.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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bec-cmp.ll
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canonicalize-cmp.ll
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casted-argument.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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dangling-use.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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2019-04-17 04:52:47 +00:00
elim-extend.ll
[LFTR] Use recomputed BE count
2019-06-10 19:18:53 +00:00
eliminate-comparison.ll
[IndVars] Remove dead instructions after folding trivial loop exit
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eliminate-max.ll
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eliminate-rem.ll
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eliminate-sat.ll
[SimplifyIndVar] Simplify non-overflowing saturating add/sub
2019-06-15 08:48:52 +00:00
eliminate-trunc.ll
[IndVars] Remove dead instructions after folding trivial loop exit
2019-06-23 17:06:57 +00:00
exit_value_test2.ll
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exit_value_test3.ll
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2019-04-17 04:52:47 +00:00
exit_value_tests.ll
Teach getSCEVAtScope how to handle loop phis w/invariant operands in loops w/taken backedges
2019-06-17 21:06:17 +00:00
floating-point-iv.ll
[IndVars] Remove dead instructions after folding trivial loop exit
2019-06-23 17:06:57 +00:00
full_widening.ll
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huge_muls.ll
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indirectbr.ll
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2019-04-17 04:52:47 +00:00
infer-poison-flags.ll
[Tests] Add poison inference tests for indvars showing both existing transforms, and some room for improvement
2019-06-05 18:00:59 +00:00
inner-loop-by-latch-cond.ll
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inner-loop.ll
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interesting-invoke-use.ll
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iterationCount_zext_or_trunc.ll
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iv-fold.ll
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iv-sext.ll
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2019-04-17 04:52:47 +00:00
iv-widen-elim-ext.ll
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2019-04-17 04:52:47 +00:00
iv-widen.ll
[Tests] Autogen a test so future changes are visible
2019-06-04 17:29:55 +00:00
iv-zext.ll
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2019-04-17 04:52:47 +00:00
lcssa-preservation.ll
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2019-04-17 04:52:47 +00:00
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
[Tests] Autogen a few lftr test in preparation for merging
2019-05-16 20:15:25 +00:00
lftr-dead-ivs.ll
Fix a bug w/inbounds invalidation in LFTR (recommit)
2019-06-17 20:32:22 +00:00
lftr-multi-exit.ll
[Tests] Add a tricky LFTR case for documentation purposes
2019-06-20 17:16:53 +00:00
lftr-pr31181.ll
[IndVarSimplify] Fixup nowrap flags during LFTR (PR31181)
2019-06-01 09:40:18 +00:00
lftr-pr41998.ll
[LFTR] Add tests for PR41998; NFC
2019-06-22 09:57:59 +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
[IndVarSimplify] Generate full checks for some LFTR tests; NFC
2019-04-20 12:05:53 +00:00
lftr.ll
Fix a bug w/inbounds invalidation in LFTR (recommit)
2019-06-17 20:32:22 +00:00
loop_evaluate7.ll
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loop_evaluate8.ll
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loop_evaluate9.ll
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loop_evaluate10.ll
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loop_evaluate11.ll
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loop_evaluate_1.ll
[SCEV] Pass NoWrapFlags when expanding an AddExpr
2019-06-14 09:19:41 +00:00
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-invariant-conditions.ll
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2019-04-17 04:52:47 +00:00
lrev-existing-umin.ll
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masked-iv.ll
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no-iv-rewrite.ll
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overflow-intrinsics.ll
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phi-uses-value-multiple-times.ll
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polynomial-expand.ll
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post-inc-range.ll
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pr18223.ll
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pr20680.ll
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pr22222.ll
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pr24356.ll
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pr24783.ll
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pr24804.ll
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pr24952.ll
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pr24956.ll
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pr25047.ll
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pr25051.ll
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pr25060.ll
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pr25360.ll
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pr25421.ll
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pr25576.ll
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pr25578.ll
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pr26973.ll
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pr26974.ll
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pr27133.ll
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2019-04-17 04:52:47 +00:00
pr28935.ll
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pr32045.ll
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pr35406.ll
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pr38674.ll
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2019-04-17 04:52:47 +00:00
pr38855.ll
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2019-04-17 04:52:47 +00:00
pr39673.ll
Teach getSCEVAtScope how to handle loop phis w/invariant operands in loops w/taken backedges
2019-06-17 21:06:17 +00:00
pr40454.ll
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2019-04-17 04:52:47 +00:00
preserve-signed-wrap.ll
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2019-04-17 04:52:47 +00:00
promote-iv-to-eliminate-casts.ll
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2019-04-17 04:52:47 +00:00
replace-iv-with-loop-invariant.ll
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2019-04-17 04:52:47 +00:00
replace-loop-exit-folds.ll
[SCEV] Add explicit representations of umin/smin
2019-05-07 15:28:47 +00:00
replace-sdiv-by-udiv.ll
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2019-04-17 04:52:47 +00:00
replace-srem-by-urem.ll
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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
scev-phi-debug-info.ll
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2019-04-17 04:52:47 +00:00
scevexpander-phi-base-case.ll
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sharpen-range.ll
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shrunk-constant.ll
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signed-trip-count.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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2019-04-17 04:52:47 +00:00
tripcount_compute.ll
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tripcount_infinite.ll
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2019-04-17 04:52:47 +00:00
udiv-invariant-but-traps.ll
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2019-04-17 04:52:47 +00:00
udiv.ll
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2019-04-17 04:52:47 +00:00
uglygep.ll
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2019-04-17 04:52:47 +00:00
ult-sub-to-eq.ll
[Tests] Autogen tests so that diffs for a future change are understandable
2019-06-04 16:15:19 +00:00
use-range-metadata.ll
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2019-04-17 04:52:47 +00:00
variable-stride-ivs-0.ll
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variable-stride-ivs-1.ll
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verify-scev.ll
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2019-04-17 04:52:47 +00:00
widen-loop-comp.ll
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2019-04-17 04:52:47 +00:00
widen-nsw.ll
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2019-04-17 04:52:47 +00:00
zext-nuw.ll
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