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llvm-mirror/test/Transforms/IndVarSimplify
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Evgeny Stupachenko 837a069ffd 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 [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 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 [opaque pointer type] Add textual IR support for explicit type parameter to gep operator 2015-03-13 18:20:45 +00:00
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 [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 [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 [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 [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 Make DataLayout Non-Optional in the Module 2015-03-04 18:43:29 +00:00
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 [opaque pointer type] Add textual IR support for explicit type parameter to gep operator 2015-03-13 18:20:45 +00:00
2011-11-01-lftrptr.ll Verifier: Call verifyModule() from llc and opt 2015-03-27 22:04:28 +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 [opaque pointer type] Add textual IR support for explicit type parameter to the call instruction 2015-04-16 23:24:18 +00:00
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 [IndVars] Un-grepify test; NFC 2016-08-03 20:53:23 +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 [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 [opaque pointer type] Add textual IR support for explicit type parameter to getelementptr instruction 2015-02-27 19:29:02 +00:00
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 [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 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 [opaque pointer type] Add textual IR support for explicit type parameter to load instruction 2015-02-27 21:17:42 +00:00
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 [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 Move the personality function from LandingPadInst to Function 2015-06-17 20:52:32 +00:00
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-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 [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 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 Make DataLayout Non-Optional in the Module 2015-03-04 18:43:29 +00:00
lftr-other-uses.ll
lftr-promote.ll [IndVars] Un-grepify test; NFC 2016-08-03 20:53:23 +00:00
lftr-reuse.ll Revert some changes that were made to fix PR20680. 2015-03-02 21:41:07 +00:00
lftr-udiv-tripcount.ll [SCEV] Strengthen SCEVExpander::isHighCostExpansion. 2015-04-14 03:20:32 +00:00
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 [opaque pointer type] Add textual IR support for explicit type parameter to gep operator 2015-03-13 18:20:45 +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 [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 [opaque pointer type] Add textual IR support for explicit type parameter to load instruction 2015-02-27 21:17:42 +00:00
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 [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 Make DataLayout Non-Optional in the Module 2015-03-04 18:43:29 +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
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 Make DataLayout Non-Optional in the Module 2015-03-04 18:43:29 +00:00
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 [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 the call instruction 2015-04-16 23:24:18 +00:00
sink-trapping.ll [LLVM] Remove unwanted --check-prefix=CHECK from unit tests. NFC. 2016-04-19 23:51:52 +00:00
strengthen-overflow.ll Fix PR22222 2015-01-15 01:46:09 +00:00
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 [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 [IndVars] Fix a bug in r248045. 2015-09-20 01:52:18 +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
zext-nuw.ll ScalarEvolution: do not set nuw when creating exprs of form <expr> + <all-ones>. 2015-11-20 01:26:13 +00:00