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b11e512365
llvm-mirror/test/Transforms/IndVarSimplify
History
Sanjoy Das b11e512365 Revert some changes that were made to fix PR20680. 
Summary:
As far as I can tell, the real bug causing the issue was fixed in
r230533.  SCEVExpander should mark an increment operation as nuw or nsw
only if it can *prove* that the operation does not overflow.  There
shouldn't be any situation where we have to do something different
because of no-wrap flags generated by SCEVExpander.

Revert "IndVarSimplify: Allow LFTR to fire more often"

This reverts commit 1ade0f0faa98877b688e0b9da58e876052c1e04e (SVN: 222213).

Revert "IndVarSimplify: Don't let LFTR compare against a poison value"

This reverts commit c0f2b8b528d8a37b0a1522aae90af649d6357eb5 (SVN: 217102).

Reviewers: majnemer, atrick, spatel

Differential Revision: http://reviews.llvm.org/D7979

llvm-svn: 230921
2015-03-01 23:36:26 +00:00
..
NVPTX [opaque pointer type] Add textual IR support for explicit type parameter to getelementptr instruction 2015-02-27 19:29:02 +00:00
2002-09-09-PointerIndVar.ll
2003-04-16-ExprAnalysis.ll
2003-09-23-NotAtTop.ll
2003-12-10-RemoveInstrCrash.ll
2003-12-15-Crash.ll
2004-03-10-PHIInsertionBug.ll
2004-04-05-InvokeCastCrash.ll
2004-04-07-ScalarEvolutionCrash.ll
2005-02-11-InvokeCrash.ll
2005-02-17-TruncateExprCrash.ll [opaque pointer type] Add textual IR support for explicit type parameter to load instruction 2015-02-27 21:17:42 +00:00
2005-02-26-ExitValueCompute.ll
2005-06-15-InstMoveCrash.ll
2005-11-18-Crash.ll [opaque pointer type] Add textual IR support for explicit type parameter to getelementptr instruction 2015-02-27 19:29:02 +00:00
2006-03-31-NegativeStride.ll
2006-06-16-Indvar-LCSSA-Crash.ll [opaque pointer type] Add textual IR support for explicit type parameter to load instruction 2015-02-27 21:17:42 +00:00
2006-09-20-LFTR-Crash.ll
2006-12-10-BitCast.ll
2007-01-06-TripCount.ll [opaque pointer type] Add textual IR support for explicit type parameter to load instruction 2015-02-27 21:17:42 +00:00
2007-06-06-DeleteDanglesPtr.ll
2007-11-23-BitcastCrash.ll
2008-06-15-SCEVExpanderBug.ll
2008-09-02-IVType.ll [opaque pointer type] Add textual IR support for explicit type parameter to load instruction 2015-02-27 21:17:42 +00:00
2008-10-03-CouldNotCompute.ll [opaque pointer type] Add textual IR support for explicit type parameter to load instruction 2015-02-27 21:17:42 +00:00
2008-11-25-APFloatAssert.ll
2009-04-14-shorten_iv_vars.ll [opaque pointer type] Add textual IR support for explicit type parameter to load instruction 2015-02-27 21:17:42 +00:00
2009-04-15-shorten-iv-vars-2.ll [opaque pointer type] Add textual IR support for explicit type parameter to load instruction 2015-02-27 21:17:42 +00:00
2009-04-22-IndvarCrash.ll
2009-04-27-Floating.ll
2009-05-24-useafterfree.ll
2011-09-10-widen-nsw.ll This patch teaches IndVarSimplify to add nuw and nsw to certain kinds 2015-01-06 19:02:56 +00:00
2011-09-19-vectoriv.ll
2011-09-27-hoistsext.ll [opaque pointer type] Add textual IR support for explicit type parameter to load instruction 2015-02-27 21:17:42 +00:00
2011-10-27-lftrnull.ll Revert some changes that were made to fix PR20680. 2015-03-01 23:36:26 +00:00
2011-11-01-lftrptr.ll [opaque pointer type] Add textual IR support for explicit type parameter to load instruction 2015-02-27 21:17:42 +00:00
2011-11-15-multiexit.ll [opaque pointer type] Add textual IR support for explicit type parameter to load instruction 2015-02-27 21:17:42 +00:00
2011-11-17-selfphi.ll
2012-07-17-lftr-undef.ll
2012-10-19-congruent-constant.ll
2014-06-21-congruent-constant.ll [opaque pointer type] Add textual IR support for explicit type parameter to load instruction 2015-02-27 21:17:42 +00:00
ada-loops.ll [opaque pointer type] Add textual IR support for explicit type parameter to getelementptr instruction 2015-02-27 19:29:02 +00:00
ashr-tripcount.ll [opaque pointer type] Add textual IR support for explicit type parameter to load instruction 2015-02-27 21:17:42 +00:00
avoid-i0.ll [opaque pointer type] Add textual IR support for explicit type parameter to load instruction 2015-02-27 21:17:42 +00:00
backedge-on-min-max.ll [opaque pointer type] Add textual IR support for explicit type parameter to getelementptr instruction 2015-02-27 19:29:02 +00:00
casted-argument.ll [opaque pointer type] Add textual IR support for explicit type parameter to getelementptr instruction 2015-02-27 19:29:02 +00:00
crash.ll
dangling-use.ll [opaque pointer type] Add textual IR support for explicit type parameter to getelementptr instruction 2015-02-27 19:29:02 +00:00
divide-pointer.ll
dont-recompute.ll
elim-extend.ll [opaque pointer type] Add textual IR support for explicit type parameter to getelementptr instruction 2015-02-27 19:29:02 +00:00
eliminate-comparison.ll [opaque pointer type] Add textual IR support for explicit type parameter to load instruction 2015-02-27 21:17:42 +00:00
eliminate-max.ll
eliminate-rem.ll [opaque pointer type] Add textual IR support for explicit type parameter to load instruction 2015-02-27 21:17:42 +00:00
exit_value_tests.ll
floating-point-iv.ll
indirectbr.ll [opaque pointer type] Add textual IR support for explicit type parameter to load instruction 2015-02-27 21:17:42 +00:00
interesting-invoke-use.ll
iterationCount_zext_or_trunc.ll
iv-fold.ll [opaque pointer type] Add textual IR support for explicit type parameter to load instruction 2015-02-27 21:17:42 +00:00
iv-sext.ll [opaque pointer type] Add textual IR support for explicit type parameter to load instruction 2015-02-27 21:17:42 +00:00
iv-widen.ll [opaque pointer type] Add textual IR support for explicit type parameter to load instruction 2015-02-27 21:17:42 +00:00
iv-zext.ll [opaque pointer type] Add textual IR support for explicit type parameter to load instruction 2015-02-27 21:17:42 +00:00
lcssa-preservation.ll
lftr_simple.ll
lftr-address-space-pointers.ll Revert some changes that were made to fix PR20680. 2015-03-01 23:36:26 +00:00
lftr-extend-const.ll IndVarSimplify: Allow LFTR to fire more often 2014-11-18 02:20:58 +00:00
lftr-other-uses.ll
lftr-promote.ll [opaque pointer type] Add textual IR support for explicit type parameter to load instruction 2015-02-27 21:17:42 +00:00
lftr-reuse.ll Revert some changes that were made to fix PR20680. 2015-03-01 23:36:26 +00:00
lftr-zext.ll [opaque pointer type] Add textual IR support for explicit type parameter to load instruction 2015-02-27 21:17:42 +00:00
loop_evaluate7.ll [opaque pointer type] Add textual IR support for explicit type parameter to load instruction 2015-02-27 21:17:42 +00:00
loop_evaluate8.ll [opaque pointer type] Add textual IR support for explicit type parameter to load instruction 2015-02-27 21:17:42 +00:00
loop_evaluate9.ll
loop_evaluate10.ll
loop_evaluate11.ll
loop_evaluate_1.ll
loop_evaluate_2.ll
loop_evaluate_3.ll
loop_evaluate_4.ll
loop_evaluate_5.ll
loop_evaluate_6.ll
masked-iv.ll [opaque pointer type] Add textual IR support for explicit type parameter to getelementptr instruction 2015-02-27 19:29:02 +00:00
no-iv-rewrite.ll [opaque pointer type] Add textual IR support for explicit type parameter to load instruction 2015-02-27 21:17:42 +00:00
overflowcheck.ll [opaque pointer type] Add textual IR support for explicit type parameter to load instruction 2015-02-27 21:17:42 +00:00
phi-uses-value-multiple-times.ll [opaque pointer type] Add textual IR support for explicit type parameter to load instruction 2015-02-27 21:17:42 +00:00
polynomial-expand.ll [opaque pointer type] Add textual IR support for explicit type parameter to load instruction 2015-02-27 21:17:42 +00:00
pr18223.ll [opaque pointer type] Add textual IR support for explicit type parameter to load instruction 2015-02-27 21:17:42 +00:00
pr20680.ll [opaque pointer type] Add textual IR support for explicit type parameter to load instruction 2015-02-27 21:17:42 +00:00
pr22222.ll [opaque pointer type] Add textual IR support for explicit type parameter to load instruction 2015-02-27 21:17:42 +00:00
preserve-signed-wrap.ll [opaque pointer type] Add textual IR support for explicit type parameter to getelementptr instruction 2015-02-27 19:29:02 +00:00
promote-iv-to-eliminate-casts.ll [opaque pointer type] Add textual IR support for explicit type parameter to load instruction 2015-02-27 21:17:42 +00:00
sharpen-range.ll [opaque pointer type] Add textual IR support for explicit type parameter to load instruction 2015-02-27 21:17:42 +00:00
shrunk-constant.ll
signed-trip-count.ll [opaque pointer type] Add textual IR support for explicit type parameter to getelementptr instruction 2015-02-27 19:29:02 +00:00
single-element-range.ll [opaque pointer type] Add textual IR support for explicit type parameter to load instruction 2015-02-27 21:17:42 +00:00
sink-alloca.ll [opaque pointer type] Add textual IR support for explicit type parameter to load instruction 2015-02-27 21:17:42 +00:00
sink-trapping.ll
strengthen-overflow.ll Fix PR22222 2015-01-15 01:46:09 +00:00
tripcount_compute.ll
tripcount_infinite.ll
udiv-invariant-but-traps.ll
udiv.ll [opaque pointer type] Add textual IR support for explicit type parameter to load instruction 2015-02-27 21:17:42 +00:00
uglygep.ll [opaque pointer type] Add textual IR support for explicit type parameter to load instruction 2015-02-27 21:17:42 +00:00
ult-sub-to-eq.ll [opaque pointer type] Add textual IR support for explicit type parameter to load instruction 2015-02-27 21:17:42 +00:00
use-range-metadata.ll [opaque pointer type] Add textual IR support for explicit type parameter to load instruction 2015-02-27 21:17:42 +00:00
variable-stride-ivs-0.ll [opaque pointer type] Add textual IR support for explicit type parameter to load instruction 2015-02-27 21:17:42 +00:00
variable-stride-ivs-1.ll
verify-scev.ll [opaque pointer type] Add textual IR support for explicit type parameter to load instruction 2015-02-27 21:17:42 +00:00
widen-loop-comp.ll [opaque pointer type] Add textual IR support for explicit type parameter to load instruction 2015-02-27 21:17:42 +00:00
widen-nsw.ll [opaque pointer type] Add textual IR support for explicit type parameter to load instruction 2015-02-27 21:17:42 +00:00