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llvm-mirror/test/Transforms/IndVarSimplify
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Wei Mi 7ba0bf14e8 [IndVars] Change the order to compute WidenAddRec in widenIVUse. 
When both WidenIV::getWideRecurrence and WidenIV::getExtendedOperandRecurrence
return non-null but different WideAddRec, if getWideRecurrence is called
before getExtendedOperandRecurrence, we won't bother to call
getExtendedOperandRecurrence again. But As we know it is possible that after
SCEV folding, we cannot prove the legality using the SCEVAddRecExpr returned
by getWideRecurrence. Meanwhile if getExtendedOperandRecurrence returns non-null
WideAddRec, we know for sure that it is legal to do widening for current instruction.
So it is better to put getExtendedOperandRecurrence before getWideRecurrence, which
will increase the chance of successful widening.

Differential Revision: https://reviews.llvm.org/D26059

llvm-svn: 286987
2016-11-15 17:34:52 +00:00
..
AMDGPU AMDGPU: Cost model for basic integer operations 2016-03-25 01:16:40 +00:00
NVPTX
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 Move the personality function from LandingPadInst to Function 2015-06-17 20:52:32 +00:00
2004-04-07-ScalarEvolutionCrash.ll
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
2005-11-18-Crash.ll
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
2006-09-20-LFTR-Crash.ll
2006-12-10-BitCast.ll
2007-01-06-TripCount.ll [IndVars] Un-grepify test; NFC 2016-08-03 20:53:23 +00:00
2007-06-06-DeleteDanglesPtr.ll
2007-11-23-BitcastCrash.ll
2008-06-15-SCEVExpanderBug.ll
2008-09-02-IVType.ll [IndVars] Un-grepify test; NFC 2016-08-03 20:53:23 +00:00
2008-10-03-CouldNotCompute.ll
2008-11-25-APFloatAssert.ll
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
2009-04-27-Floating.ll
2009-05-24-useafterfree.ll
2011-09-10-widen-nsw.ll
2011-09-19-vectoriv.ll
2011-09-27-hoistsext.ll
2011-10-27-lftrnull.ll
2011-11-01-lftrptr.ll
2011-11-15-multiexit.ll
2011-11-17-selfphi.ll
2012-07-17-lftr-undef.ll
2012-10-19-congruent-constant.ll
2014-06-21-congruent-constant.ll
ada-loops.ll
ashr-tripcount.ll [IndVars] Un-grepify test; NFC 2016-08-03 20:53:23 +00:00
avoid-i0.ll
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
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
divide-pointer.ll
dont-recompute.ll
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
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
indirectbr.ll
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
iv-fold.ll
iv-sext.ll
iv-widen-elim-ext.ll [IndVars] Change the order to compute WidenAddRec in widenIVUse. 2016-11-15 17:34:52 +00:00
iv-widen.ll [IndVars] Change the order to compute WidenAddRec in widenIVUse. 2016-11-15 17:34:52 +00:00
iv-zext.ll
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
lftr-other-uses.ll
lftr-promote.ll [IndVars] Un-grepify test; NFC 2016-08-03 20:53:23 +00:00
lftr-reuse.ll
lftr-udiv-tripcount.ll
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
loop_evaluate7.ll
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
loop_evaluate_1.ll
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
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
polynomial-expand.ll
post-inc-range.ll [IndVarSimplify] Teach calculatePostIncRange to take guards into account 2016-10-19 19:43:54 +00:00
pr18223.ll
pr20680.ll
pr22222.ll
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
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
sink-alloca.ll
sink-trapping.ll [LLVM] Remove unwanted --check-prefix=CHECK from unit tests. NFC. 2016-04-19 23:51:52 +00:00
strengthen-overflow.ll
tripcount_compute.ll
tripcount_infinite.ll FileCheck'ify some wc/grep based tests; NFCI. 2015-07-28 03:50:09 +00:00
udiv-invariant-but-traps.ll
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
variable-stride-ivs-0.ll
variable-stride-ivs-1.ll
verify-scev.ll
widen-loop-comp.ll [IndVars] Fix a bug in r248045. 2015-09-20 01:52:18 +00:00
widen-nsw.ll
zext-nuw.ll ScalarEvolution: do not set nuw when creating exprs of form <expr> + <all-ones>. 2015-11-20 01:26:13 +00:00