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clang-p2996/llvm/test/Transforms/IndVarSimplify
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Sanjoy Das 4cad61adb3 [SCEV/IndVars] Always compute loop exiting values if the backedge count is 0 
If SCEV can prove that the backedge taken count for a loop is zero, it does not
need to "understand" a recursive PHI to compute its exiting value.

This should fix PR33885.

llvm-svn: 309758
2017-08-01 22:37:58 +00:00
..
AMDGPU
AMDGPU: Mark all unspecified CC functions in tests as amdgpu_kernel
2017-03-21 21:39:51 +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
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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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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
ConstantFold: Fold getelementptr (i32, i32* null, i64 undef) to null.
2017-05-08 17:37:29 +00:00
2011-11-01-lftrptr.ll
opt: Rename -default-data-layout flag to -data-layout and make it always override the layout.
2017-02-17 17:36:52 +00:00
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
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canonicalize-cmp.ll
Re-enable "[IndVars] Canonicalize comparisons between non-negative values and indvars"
2017-07-08 17:17:30 +00:00
casted-argument.ll
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const_phi.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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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-enable "[IndVars] Canonicalize comparisons between non-negative values and indvars"
2017-07-08 17:17:30 +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
[SCEV/IndVars] Always compute loop exiting values if the backedge count is 0
2017-08-01 22:37:58 +00:00
exit_value_test3.ll
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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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huge_muls.ll
[SCEV] Make MulOpsInlineThreshold lower to avoid excessive compilation time
2017-06-21 07:28:13 +00:00
indirectbr.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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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
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lcssa-preservation.ll
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lftr_disabled.ll
[IndVars] Add an option to be able to disable LFTR
2017-06-09 06:11:59 +00:00
lftr_simple.ll
[IndVars] Un-grepify test; NFC
2016-08-03 20:53:23 +00:00
lftr-address-space-pointers.ll
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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
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lrev-existing-umin.ll
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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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post-inc-range.ll
[IndVarSimplify] Teach calculatePostIncRange to take guards into account
2016-10-19 19:43:54 +00:00
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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pr26207.ll
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pr26973.ll
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pr26974.ll
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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
pr32045.ll
[ValueTracking] Don't do an unchecked shift in ComputeNumSignBits
2017-02-25 20:30:45 +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
replace-sdiv-by-udiv.ll
[SimplifyIndvar] Replace the sdiv used by IV if we can prove both of its operands are non-negative
2017-03-30 21:56:56 +00:00
rewrite-loop-exit-value.ll
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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
[IndVarSimplify] Add AShr exact flags using induction variables ranges.
2017-07-05 13:25:58 +00:00
tripcount_compute.ll
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tripcount_infinite.ll
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udiv-invariant-but-traps.ll
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udiv.ll
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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
Re-enable "[IndVars] Canonicalize comparisons between non-negative values and indvars"
2017-07-08 17:17:30 +00:00
widen-nsw.ll
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zext-nuw.ll
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