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32d9a386bf8f447dbbfaf55f6fef4fea4463205b
clang-p2996/llvm/test/Transforms/LoopVectorize
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Ayal Zaks 32d9a386bf [LV] Keep Primary Induction alive when folding tail by masking 
Fix PR47390.

The primary induction should be considered alive when folding tail by masking,
because it will be used by said masking; even when it may otherwise appear
useless: feeding only its own 'bump', which is correctly considered dead, and
as the 'bump' of another induction variable, which may wrongfully want to
consider its bump = the primary induction, dead.

Differential Revision: https://reviews.llvm.org/D92017
2020-11-24 15:12:54 +02:00
..
AArch64
[SVE][AArch64] Improve specificity of vectorization legality TypeSize test
2020-11-10 10:55:25 +00:00
AMDGPU
[LoopVectorize] Remove unused check-prefixes
2020-11-09 12:18:20 +00:00
ARM
[LoopVectorize] Remove unused check-prefixes
2020-11-09 12:18:20 +00:00
Hexagon
[LV] Fallback strategies if tail-folding fails
2020-08-26 16:55:25 +01:00
PowerPC
[LV] Interleave to expose ILP for small loops with scalar reductions.
2020-09-01 19:47:32 +00:00
SystemZ
[LV] Unroll factor is expected to be > 0
2020-10-14 16:48:17 +07:00
VE
[VE][TTI] don't advertise vregs/vops
2020-11-06 11:12:10 +01:00
X86
[test] pre-comit test for D91451
2020-11-23 15:36:08 -08:00
XCore
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12-12-11-if-conv.ll
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2012-10-20-infloop.ll
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2012-10-22-isconsec.ll
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2016-07-27-loop-vec.ll
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alias-set-with-uncomputable-bounds.ll
[LAA] Do not set CanDoRT to false for AS that do not need RT checks.
2020-06-14 20:55:59 +01:00
align.ll
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assume.ll
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bsd_regex.ll
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bzip_reverse_loops.ll
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calloc.ll
[BasicAA] Rename deprecated -basicaa to -basic-aa
2020-06-26 20:41:37 -07:00
cast-induction.ll
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check-prof-info.ll
Revert "Use uint64_t for branch weights instead of uint32_t"
2020-10-31 00:25:32 -07:00
conditional-assignment.ll
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consec_no_gep.ll
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consecutive-ptr-uniforms.ll
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control-flow.ll
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cpp-new-array.ll
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dbg.value.ll
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dead_instructions.ll
[LV] Keep Primary Induction alive when folding tail by masking
2020-11-24 15:12:54 +02:00
debugloc.ll
[llvm] Fix missing FileCheck directive colons
2020-04-06 09:59:08 -06:00
demanded-bits-of-pointer-instruction.ll
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diag-missing-instr-debug-loc.ll
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diag-with-hotness-info-2.ll
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diag-with-hotness-info.ll
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disable_nonforced_enable.ll
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disable_nonforced.ll
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discriminator.ll
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ee-crash.ll
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exact.ll
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explicit_outer_detection.ll
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explicit_outer_nonuniform_inner.ll
Require "target datalayout" to be at the beginning of an IR file.
2020-04-20 11:55:49 -07:00
explicit_outer_uniform_diverg_branch.ll
Require "target datalayout" to be at the beginning of an IR file.
2020-04-20 11:55:49 -07:00
fcmp-vectorize.ll
Recommit #2: "[LV] Induction Variable does not remain scalar under tail-folding."
2020-05-13 13:50:09 +01:00
first-order-recurrence-complex.ll
[LV] Add another test case with unsinkable first-order recurrences.
2020-10-03 20:41:41 +01:00
first-order-recurrence-multiply-recurrences.ll
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first-order-recurrence.ll
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fix-reduction-dbg.ll
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flags.ll
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float-induction.ll
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float-minmax-instruction-flag.ll
[LV] Either get invariant condition OR vector condition.
2020-05-24 17:16:42 +01:00
float-reduction.ll
Enable support for floating-point division reductions
2020-11-23 20:00:58 -05:00
fneg.ll
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followup.ll
[LV] Collect dead induction truncates
2020-10-08 08:28:58 +01:00
funcall.ll
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gcc-examples.ll
[BasicAA] Rename deprecated -basicaa to -basic-aa
2020-06-26 20:41:37 -07:00
gep_with_bitcast.ll
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global_alias.ll
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hints-trans.ll
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hoist-loads.ll
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i8-induction.ll
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icmp-uniforms.ll
Recommit "[VPlan] Use VPValue def for VPWidenSelectRecipe."
2020-11-14 20:00:25 +00:00
if-conv-crash.ll
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if-conversion-edgemasks.ll
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if-conversion-nest.ll
Revert "[InstCombine] add multi-use demanded bits fold for add with low-bit mask"
2020-11-16 14:48:09 -05:00
if-conversion-reduction.ll
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if-conversion.ll
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if-pred-non-void.ll
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if-pred-not-when-safe.ll
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if-pred-stores.ll
[LV] Collect dead induction truncates
2020-10-08 08:28:58 +01:00
if-reduction.ll
Recommit #2: "[LV] Induction Variable does not remain scalar under tail-folding."
2020-05-13 13:50:09 +01:00
incorrect-dom-info.ll
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increment.ll
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induction_plus.ll
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induction-step.ll
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induction.ll
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infiniteloop.ll
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int_sideeffect.ll
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interleaved-accesses-1.ll
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interleaved-accesses-2.ll
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interleaved-accesses-3.ll
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interleaved-accesses-alias.ll
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interleaved-accesses-masked-group.ll
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interleaved-accesses-pred-stores.ll
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interleaved-accesses-uniform-load.ll
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interleaved-accesses.ll
[InstCombine] reassociate sub+add to increase adds and throughput
2020-05-26 14:49:17 -04:00
interleaved-acess-with-remarks.ll
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intrinsic.ll
[LV] Add abs/smin/smax/umin/umax intrinsics to isTriviallyVectorizable
2020-07-29 10:23:07 -07:00
invariant-store-vectorization.ll
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iv_outside_user.ll
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lcssa-crash.ll
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libcall-remark.ll
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lifetime.ll
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loop-form.ll
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loop-legality-checks.ll
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loop-scalars.ll
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loop-vect-memdep.ll
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loop-vect-option.ll
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memdep-fold-tail.ll
[LV] Fallback strategies if tail-folding fails
2020-08-26 16:55:25 +01:00
memdep.ll
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metadata-unroll.ll
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metadata-width.ll
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metadata.ll
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middle-block-dbg.ll
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miniters.ll
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minmax_reduction.ll
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multi-use-reduction-bug.ll
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multiple-address-spaces.ll
[BasicAA] Rename deprecated -basicaa to -basic-aa
2020-06-26 20:41:37 -07:00
multiple-strides-vectorization.ll
[LoopVectorizer] Lower uniform loads as a single load (instead of relying on CSE)
2020-11-23 15:32:17 -08:00
no_array_bounds.ll
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no_idiv_reduction.ll
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no_int_induction.ll
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no_outside_user.ll
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no_switch_disable_vectorization.ll
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no_switch.ll
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no-interleave-up-front.ll
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noalias-md-licm.ll
Rename scoped-noalias -> scoped-noalias-aa
2020-07-24 12:14:27 -07:00
noalias-md.ll
Rename scoped-noalias -> scoped-noalias-aa
2020-07-24 12:14:27 -07:00
nofloat-report.ll
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nofloat.ll
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non-const-n.ll
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nontemporal.ll
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novect-lcssa-cfg-invalidation.ll
[NewPM] Don't print 'Invalidating all non-preserved analyses'
2020-07-30 19:40:29 -07:00
nsw-crash.ll
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nuw.ll
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opt.ll
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optsize.ll
Recommit "[VPlan] Use VPValue def for VPWidenSelectRecipe."
2020-11-14 20:00:25 +00:00
outer_loop_test1.ll
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outer_loop_test2.ll
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partial-lcssa.ll
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phi-cost.ll
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phi-hang.ll
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pointer-induction.ll
[LV] Enable the LoopVectorizer to create pointer inductions
2020-07-17 13:35:07 +01:00
pr25281.ll
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pr28541.ll
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pr30654-phiscev-sext-trunc.ll
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pr30806-phi-scev.ll
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pr30806.ll
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pr31098.ll
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pr31190.ll
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pr32859.ll
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pr33706.ll
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pr34681.ll
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pr35743.ll
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pr35773.ll
Recommit #2: "[LV] Induction Variable does not remain scalar under tail-folding."
2020-05-13 13:50:09 +01:00
pr36311.ll
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pr36983.ll
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pr37248.ll
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pr37515.ll
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pr38697.ll
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pr38800.ll
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pr39099.ll
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pr39417-optsize-scevchecks.ll
[LV] Vectorize without versioning-for-unit-stride under -Os/-Oz
2020-07-07 15:04:21 +03:00
pr43166-fold-tail-by-masking.ll
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pr44488-predication.ll
Recommit #2: "[LV] Induction Variable does not remain scalar under tail-folding."
2020-05-13 13:50:09 +01:00
pr45259.ll
[LoopVectorize] Fix crash on "getNoopOrZeroExtend cannot truncate!" (PR45259)
2020-03-30 10:14:14 -07:00
pr45525.ll
[LV] Fix PR45525: Incorrect assert in blend recipe
2020-04-15 10:39:07 +03:00
pr45679-fold-tail-by-masking.ll
[NFC][LV][TEST]: extend pr45679-fold-tail-by-masking.ll with -force-vector-width=1 -force-vector-interleave=4
2020-06-09 18:30:56 +00:00
pr46525-expander-insertpoint.ll
[LV] Regenerate test. NFC
2020-10-05 13:46:15 +01:00
pr47343-expander-lcssa-after-cfg-update.ll
[LV] Update CFG before adding runtime checks.
2020-08-30 18:21:44 +01:00
preserve-dbg-loc-and-loop-metadata.ll
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ptr_loops.ll
[BasicAA] Rename deprecated -basicaa to -basic-aa
2020-06-26 20:41:37 -07:00
ptr-induction.ll
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read-only.ll
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reduction-inloop-pred.ll
[LoopUtils] Fix neutral value for vector.reduce.fadd
2020-10-29 21:45:13 +01:00
reduction-inloop-uf4.ll
[LV] Tail folded inloop reductions.
2020-10-11 16:58:34 +01:00
reduction-inloop.ll
[LoopUtils] Fix neutral value for vector.reduce.fadd
2020-10-29 21:45:13 +01:00
reduction-order.ll
[LV] Tail folded inloop reductions.
2020-10-11 16:58:34 +01:00
reduction-predselect.ll
[LoopUtils] Fix neutral value for vector.reduce.fadd
2020-10-29 21:45:13 +01:00
reduction-small-size.ll
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reduction.ll
[NFC][InstCombine] visitPHINode(): cleanup PHI CSE instruction replacement
2020-08-31 22:29:39 +03:00
remove_metadata.ll
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reverse_induction.ll
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reverse_iter.ll
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runtime-check-address-space.ll
[BasicAA] Rename deprecated -basicaa to -basic-aa
2020-06-26 20:41:37 -07:00
runtime-check-needed-but-empty.ll
Recommit #2: "[LV] Induction Variable does not remain scalar under tail-folding."
2020-05-13 13:50:09 +01:00
runtime-check-pointer-element-type.ll
[LAA] Use DL to get element size for bound computation.
2020-10-07 18:57:07 +01:00
runtime-check-readonly-address-space.ll
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runtime-check-readonly.ll
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runtime-check.ll
Revert "[InstCombine] add multi-use demanded bits fold for add with low-bit mask"
2020-11-16 14:48:09 -05:00
runtime-limit.ll
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safegep.ll
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same-base-access.ll
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scalar_after_vectorization.ll
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scalar-select.ll
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scev-exitlim-crash.ll
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simple-unroll.ll
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skip-iterations.ll
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small-loop.ll
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start-non-zero.ll
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store-shuffle-bug.ll
[BasicAA] Rename deprecated -basicaa to -basic-aa
2020-06-26 20:41:37 -07:00
struct_access.ll
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tail-folding-counting-down.ll
[LV] Fallback strategies if tail-folding fails
2020-08-26 16:55:25 +01:00
tail-folding-vectorization-factor-1.ll
[LoopVectorizer] Don't create unused block masks for reductions. NFC
2020-07-30 14:28:08 +01:00
tbaa-nodep.ll
[BasicAA] Rename deprecated -basicaa to -basic-aa
2020-06-26 20:41:37 -07:00
tripcount.ll
Revert "Use uint64_t for branch weights instead of uint32_t"
2020-10-31 00:25:32 -07:00
undef-inst-bug.ll
…
unroll_novec.ll
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unroll-novec-memcheck-metadata.ll
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unroll.ll
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unsafe-dep-remark.ll
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unsized-pointee-crash.ll
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use-scalar-epilogue-if-tp-fails.ll
[LV] Fallback strategies if tail-folding fails
2020-08-26 16:55:25 +01:00
value-ptr-bug.ll
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vect-phiscev-sext-trunc.ll
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vect.omp.persistence.ll
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vect.stats.ll
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vector-geps.ll
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vector-intrinsic-call-cost.ll
Recommit #2: "[LV] Induction Variable does not remain scalar under tail-folding."
2020-05-13 13:50:09 +01:00
vectorize-once.ll
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vectorizeVFone.ll
[VFDatabase] Testsuite for scalar functions are vector functions with VF =1
2020-04-30 15:47:21 -04:00
version-mem-access.ll
[BasicAA] Rename deprecated -basicaa to -basic-aa
2020-06-26 20:41:37 -07:00
vplan_hcfg_stress_test.ll
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vplan-outer-loop-uncomputable-trip-count.ll
[VPlan] Reject loops without computable backedge taken counts
2020-06-12 10:31:18 +01:00
vplan-printing.ll
[VPlan] Use VPValue def for VPWidenGEPRecipe.
2020-11-15 15:12:47 +00:00
vplan-stress-test-no-explict-vf.ll
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vplan-vectorize-inner-loop-reduction.ll
[VPlan] Add vplan native path vectorization test case for inner loop reduction
2020-10-06 10:11:58 +01:00
write-only.ll
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zero-sized-pointee-crash.ll
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