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4e7b888ea46a459a2bf30db0c18fac352eb3ffaf
clang-p2996/llvm/test/Transforms/IndVarSimplify
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Evgeny Stupachenko dc8a254663 Wisely choose sext or zext when widening IV. 
Summary:
The patch fixes regression caused by two earlier patches D18777 and D18867.

Reviewers: reames, sanjoy

Differential Revision: http://reviews.llvm.org/D24280

From: Li Huang
llvm-svn: 282650
2016-09-28 23:39:39 +00:00
..
AMDGPU
AMDGPU: Cost model for basic integer operations
2016-03-25 01:16:40 +00:00
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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2004-03-10-PHIInsertionBug.ll
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2004-04-05-InvokeCastCrash.ll
Move the personality function from LandingPadInst to Function
2015-06-17 20:52:32 +00:00
2004-04-07-ScalarEvolutionCrash.ll
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2005-02-11-InvokeCrash.ll
Move the personality function from LandingPadInst to Function
2015-06-17 20:52:32 +00:00
2005-02-17-TruncateExprCrash.ll
Move the personality function from LandingPadInst to Function
2015-06-17 20:52:32 +00:00
2005-02-26-ExitValueCompute.ll
[IndVars] Un-grepify test; NFC
2016-08-03 20:53:23 +00:00
2005-06-15-InstMoveCrash.ll
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2005-11-18-Crash.ll
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2006-03-31-NegativeStride.ll
[IndVars] Un-grepify test; NFC
2016-08-03 20:53:23 +00:00
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
[IndVars] Un-grepify test; NFC
2016-08-03 20:53:23 +00:00
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
[IndVars] Un-grepify test; NFC
2016-08-03 20:53:23 +00:00
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
[IndVars] Un-grepify test; NFC
2016-08-03 20:53:23 +00:00
2009-04-15-shorten-iv-vars-2.ll
[IndVars] Un-grepify test; NFC
2016-08-03 20:53:23 +00:00
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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2011-11-15-multiexit.ll
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2011-11-17-selfphi.ll
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2012-07-17-lftr-undef.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
[IndVars] Un-grepify test; NFC
2016-08-03 20:53:23 +00:00
avoid-i0.ll
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backedge-on-min-max.ll
[PM] Port IndVarSimplify to the new pass manager
2016-06-05 18:01:19 +00:00
bec-cmp.ll
Make ScalarEvolution::isKnownPredicate a little smarter
2015-08-19 01:51:51 +00:00
casted-argument.ll
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const_phi.ll
Fix PR25372 - teach replaceCongruentPHIs to handle cases where SE evaluates a PHI to a SCEVConstant
2015-11-03 16:27:04 +00:00
crash.ll
Move the personality function from LandingPadInst to Function
2015-06-17 20:52:32 +00:00
dangling-use.ll
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divide-pointer.ll
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dont-recompute.ll
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elim-extend.ll
Extend trip count instead of truncating IV in LFTR, when legal
2016-08-11 21:31:40 +00:00
eliminate-comparison.ll
Re-apply r251050 with a for PR25421
2015-11-05 23:45:38 +00:00
eliminate-max.ll
[IndVars] Un-grepify test; NFC
2016-08-03 20:53:23 +00:00
eliminate-rem.ll
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exit_value_test2.ll
Enable exitValue rewrite only when the cost of expansion is low.
2015-05-28 21:49:07 +00:00
exit_value_test3.ll
Enable exitValue rewrite only when the cost of expansion is low.
2015-05-28 21:49:07 +00:00
exit_value_tests.ll
[IndVars] Un-grepify test; NFC
2016-08-03 20:53:23 +00:00
floating-point-iv.ll
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indirectbr.ll
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interesting-invoke-use.ll
Move the personality function from LandingPadInst to Function
2015-06-17 20:52:32 +00:00
iterationCount_zext_or_trunc.ll
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iv-fold.ll
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iv-sext.ll
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iv-widen-elim-ext.ll
Wisely choose sext or zext when widening IV.
2016-09-28 23:39:39 +00:00
iv-widen.ll
[PM] Port IndVarSimplify to the new pass manager
2016-06-05 18:01:19 +00:00
iv-zext.ll
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lcssa-preservation.ll
Enable exitValue rewrite only when the cost of expansion is low.
2015-05-28 21:49:07 +00:00
lftr_simple.ll
[IndVars] Un-grepify test; NFC
2016-08-03 20:53:23 +00:00
lftr-address-space-pointers.ll
[SCEV] Try to reuse existing value during SCEV expansion
2016-02-04 01:27:38 +00:00
lftr-extend-const.ll
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lftr-other-uses.ll
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lftr-promote.ll
[IndVars] Un-grepify test; NFC
2016-08-03 20:53:23 +00:00
lftr-reuse.ll
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lftr-udiv-tripcount.ll
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lftr-wide-trip-count.ll
Extend trip count instead of truncating IV in LFTR, when legal
2016-08-11 21:31:40 +00:00
lftr-zext.ll
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loop_evaluate7.ll
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loop_evaluate8.ll
[IndVars] Un-grepify test; NFC
2016-08-03 20:53:23 +00:00
loop_evaluate9.ll
[IndVars] Un-grepify test; NFC
2016-08-03 20:53:23 +00:00
loop_evaluate10.ll
[IndVars] Un-grepify test; NFC
2016-08-03 20:53:23 +00:00
loop_evaluate11.ll
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loop_evaluate_1.ll
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loop_evaluate_2.ll
[IndVars] Un-grepify test; NFC
2016-08-03 20:53:23 +00:00
loop_evaluate_3.ll
[IndVars] Un-grepify test; NFC
2016-08-03 20:53:23 +00:00
loop_evaluate_4.ll
[IndVars] Un-grepify test; NFC
2016-08-03 20:53:23 +00:00
loop_evaluate_5.ll
[IndVars] Un-grepify test; NFC
2016-08-03 20:53:23 +00:00
loop_evaluate_6.ll
[IndVars] Un-grepify test; NFC
2016-08-03 20:53:23 +00:00
loop-invariant-conditions.ll
[IndVars] Make loop varying predicates loop invariant.
2015-07-27 21:42:49 +00:00
lrev-existing-umin.ll
[IndVars] Try to use existing values in RewriteLoopExitValues.
2015-07-09 18:46:12 +00:00
masked-iv.ll
[IndVars] Un-grepify test; NFC
2016-08-03 20:53:23 +00:00
no-iv-rewrite.ll
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overflow-intrinsics.ll
[IndVars] Eliminate op.with.overflow when possible (re-apply)
2016-05-29 00:36:25 +00:00
phi-uses-value-multiple-times.ll
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polynomial-expand.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
[IndVars] Fix PR24356.
2015-08-06 20:43:41 +00:00
pr24783.ll
[SCEV] Try to reuse existing value during SCEV expansion
2016-02-04 01:27:38 +00:00
pr24804.ll
[SCEVExpander] Have hoistIVInc preserve LCSSA
2015-12-08 00:13:17 +00:00
pr24952.ll
[SCEV] identical instructions don't compute equal values
2015-09-27 21:09:48 +00:00
pr24956.ll
[SCEV] Don't crash on pointer comparisons
2015-09-28 21:14:32 +00:00
pr25047.ll
[IndVars] Preserve LCSSA in eliminateIdentitySCEV
2015-10-07 17:38:31 +00:00
pr25051.ll
[IndVars] Don't break dominance in eliminateIdentitySCEV
2015-10-06 21:44:49 +00:00
pr25060.ll
[SCEV] Pick backedge values for phi nodes correctly
2015-10-08 18:28:36 +00:00
pr25360.ll
[SCEV] Don't create SCEV expressions that break LCSSA
2015-10-31 23:21:40 +00:00
pr25421.ll
Re-apply r251050 with a for PR25421
2015-11-05 23:45:38 +00:00
pr25576.ll
[IndVars] Fix PR25576
2016-01-17 18:12:52 +00:00
pr25578.ll
[IndVars] Have getInsertPointForUses preserve LCSSA
2015-12-08 00:13:21 +00:00
pr26207.ll
[SCEV] Fix PR26207
2016-01-19 20:53:51 +00:00
pr26973.ll
[IndVars] Pass the right loop to isLoopInvariantPredicate
2016-03-18 20:37:07 +00:00
pr26974.ll
[IndVars] Fix PR26974: make sure replaceCongruentIVs doesn't break LCSSA
2016-03-21 12:44:29 +00:00
pr27133.ll
[IndVarSimplify] Don't insert after a catchswitch
2016-03-30 21:12:06 +00:00
pr28935.ll
[IndVars] Ignore (s|z)exts that don't extend the induction variable
2016-08-13 00:58:31 +00:00
preserve-signed-wrap.ll
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promote-iv-to-eliminate-casts.ll
[IndVars] Un-grepify test; NFC
2016-08-03 20:53:23 +00:00
rewrite-loop-exit-value.ll
[IndVarSimplify] Rewrite loop exit values with their initial values from loop preheader
2016-01-27 07:40:41 +00:00
sharpen-range.ll
[PM] Port IndVarSimplify to the new pass manager
2016-06-05 18:01:19 +00:00
shrunk-constant.ll
[IndVars] Un-grepify test; NFC
2016-08-03 20:53:23 +00:00
signed-trip-count.ll
[IndVars] Un-grepify test; NFC
2016-08-03 20:53:23 +00:00
single-element-range.ll
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sink-alloca.ll
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sink-trapping.ll
[LLVM] Remove unwanted --check-prefix=CHECK from unit tests. NFC.
2016-04-19 23:51:52 +00:00
strengthen-overflow.ll
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tripcount_compute.ll
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tripcount_infinite.ll
FileCheck'ify some wc/grep based tests; NFCI.
2015-07-28 03:50:09 +00:00
udiv-invariant-but-traps.ll
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udiv.ll
[SCEV] Try to reuse existing value during SCEV expansion
2016-02-04 01:27:38 +00:00
uglygep.ll
[IndVars] Un-grepify test; NFC
2016-08-03 20:53:23 +00:00
ult-sub-to-eq.ll
Extend trip count instead of truncating IV in LFTR, when legal
2016-08-11 21:31:40 +00:00
use-range-metadata.ll
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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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widen-loop-comp.ll
[IndVars] Fix a bug in r248045.
2015-09-20 01:52:18 +00:00
widen-nsw.ll
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zext-nuw.ll
ScalarEvolution: do not set nuw when creating exprs of form <expr> + <all-ones>.
2015-11-20 01:26:13 +00:00