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34045966baa3e99de6250705aaec2de35bc00aeb
archived-llvm/test/Transforms/LoopVectorize
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Nikita Popov 29ba81ded0 [ValueTracking] More accurate unsigned sub overflow detection 
Second part of D58593.

Compute precise overflow conditions based on all known bits, rather
than just the sign bits. Unsigned a - b overflows iff a < b, and we
can determine whether this always/never happens based on the minimal
and maximal values achievable for a and b subject to the known bits
constraint.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@355109 91177308-0d34-0410-b5e6-96231b3b80d8
2019-02-28 18:04:20 +00:00
..
AArch64
Revert unapproved commit
2018-11-24 07:26:55 +00:00
AMDGPU
LV: Don't insert runtime ptr checks on divergent targets
2017-08-02 21:43:08 +00:00
ARM
[LV] Preserve inbounds on created GEPs
2018-05-01 15:35:08 +00:00
Hexagon
[LV] Introduce TTI::getMinimumVF
2018-04-13 20:16:32 +00:00
PowerPC
[ppc] Correctly compute the cost of loading 32/64 bit memory into VSR
2016-12-03 00:41:43 +00:00
SystemZ
[SystemZ] Rework getInterleavedMemoryOpCost()
2018-11-02 17:15:36 +00:00
X86
[ValueTracking] More accurate unsigned sub overflow detection
2019-02-28 18:04:20 +00:00
XCore
[opaque pointer type] Add textual IR support for explicit type parameter to getelementptr instruction
2015-02-27 19:29:02 +00:00
12-12-11-if-conv.ll
[LV] Remove triples from target-independent vectorizer tests. NFC.
2016-10-06 23:57:25 +00:00
2012-10-20-infloop.ll
…
2012-10-22-isconsec.ll
[LV] Remove triples from target-independent vectorizer tests. NFC.
2016-10-06 23:57:25 +00:00
2016-07-27-loop-vec.ll
Fix the assertion error in collectLoopUniforms caused by empty Worklist before expanding.
2016-07-27 23:53:58 +00:00
align.ll
[LV] Remove triples from target-independent vectorizer tests. NFC.
2016-10-06 23:57:25 +00:00
bsd_regex.ll
[opaque pointer type] Add textual IR support for explicit type parameter to getelementptr instruction
2015-02-27 19:29:02 +00:00
bzip_reverse_loops.ll
[LV] Remove triples from target-independent vectorizer tests. NFC.
2016-10-06 23:57:25 +00:00
calloc.ll
[LV] Remove triples from target-independent vectorizer tests. NFC.
2016-10-06 23:57:25 +00:00
cast-induction.ll
[LV] Remove triples from target-independent vectorizer tests. NFC.
2016-10-06 23:57:25 +00:00
conditional-assignment.ll
[DebugInfo] Add DILabel metadata and intrinsic llvm.dbg.label.
2018-05-09 02:40:45 +00:00
consec_no_gep.ll
[LV] Remove triples from target-independent vectorizer tests. NFC.
2016-10-06 23:57:25 +00:00
consecutive-ptr-uniforms.ll
[LV] Preserve inbounds on created GEPs
2018-05-01 15:35:08 +00:00
control-flow.ll
[DebugInfo] Add DILabel metadata and intrinsic llvm.dbg.label.
2018-05-09 02:40:45 +00:00
cpp-new-array.ll
[LV] Remove triples from target-independent vectorizer tests. NFC.
2016-10-06 23:57:25 +00:00
dbg.value.ll
[DebugInfo] Add DILabel metadata and intrinsic llvm.dbg.label.
2018-05-09 02:40:45 +00:00
dead_instructions.ll
[LV] Avoid emitting trivially dead instructions
2016-10-19 19:22:02 +00:00
debugloc.ll
Avoid dbg.value use-before-def in a few tests (NFC)
2018-08-21 23:42:08 +00:00
demanded-bits-of-pointer-instruction.ll
Reapply "[DemandedBits][BDCE] Support vectors of integers"
2018-12-07 15:38:13 +00:00
diag-missing-instr-debug-loc.ll
[DebugInfo] Add DILabel metadata and intrinsic llvm.dbg.label.
2018-05-09 02:40:45 +00:00
diag-with-hotness-info-2.ll
[DebugInfo] Add DILabel metadata and intrinsic llvm.dbg.label.
2018-05-09 02:40:45 +00:00
diag-with-hotness-info.ll
[DebugInfo] Add DILabel metadata and intrinsic llvm.dbg.label.
2018-05-09 02:40:45 +00:00
disable_nonforced_enable.ll
[Unroll/UnrollAndJam/Vectorizer/Distribute] Add followup loop attributes.
2018-12-12 17:32:52 +00:00
disable_nonforced.ll
[Unroll/UnrollAndJam/Vectorizer/Distribute] Add followup loop attributes.
2018-12-12 17:32:52 +00:00
discriminator.ll
Do not add discriminator encoding for debug intrinsics.
2017-10-26 21:20:52 +00:00
ee-crash.ll
[LV] Remove triples from target-independent vectorizer tests. NFC.
2016-10-06 23:57:25 +00:00
exact.ll
[LV] Remove triples from target-independent vectorizer tests. NFC.
2016-10-06 23:57:25 +00:00
explicit_outer_detection.ll
[LV][VPlan] Detect outer loops for explicit vectorization.
2018-04-24 17:04:17 +00:00
explicit_outer_nonuniform_inner.ll
[LV][VPlan] Detect outer loops for explicit vectorization.
2018-04-24 17:04:17 +00:00
explicit_outer_uniform_diverg_branch.ll
[LV][VPlan] Detect outer loops for explicit vectorization.
2018-04-24 17:04:17 +00:00
fcmp-vectorize.ll
[LoopVectorize] Fix assertion failure in Fcmp vectorization
2017-08-08 18:07:44 +00:00
first-order-recurrence.ll
[LV] Fix PR34711 - widen instruction ranges when sinking casts
2017-10-05 12:41:49 +00:00
flags.ll
[LV] Remove triples from target-independent vectorizer tests. NFC.
2016-10-06 23:57:25 +00:00
float-induction.ll
[LV] Preserve inbounds on created GEPs
2018-05-01 15:35:08 +00:00
float-reduction.ll
[LV] Remove triples from target-independent vectorizer tests. NFC.
2016-10-06 23:57:25 +00:00
followup.ll
[Unroll/UnrollAndJam/Vectorizer/Distribute] Add followup loop attributes.
2018-12-12 17:32:52 +00:00
funcall.ll
[opaque pointer type] Add textual IR support for explicit type parameter to load instruction
2015-02-27 21:17:42 +00:00
gcc-examples.ll
[LV] Remove triples from target-independent vectorizer tests. NFC.
2016-10-06 23:57:25 +00:00
gep_with_bitcast.ll
[LV] Don't widen trivial induction variables
2016-07-06 14:26:59 +00:00
global_alias.ll
[LV] Scalarize instructions marked scalar after vectorization
2016-09-26 17:08:37 +00:00
hints-trans.ll
[LV] Remove triples from target-independent vectorizer tests. NFC.
2016-10-06 23:57:25 +00:00
hoist-loads.ll
[LV] Move isLegalMasked* functions from Legality to CostModel
2018-02-26 11:06:36 +00:00
i8-induction.ll
[DebugInfo][LoopVectorize] Preserve DL in induction PHI and Add
2018-07-10 13:29:50 +00:00
icmp-uniforms.ll
[LV] Don't mark multi-use branch conditions uniform
2016-10-07 15:20:13 +00:00
if-conv-crash.ll
[LV] Remove triples from target-independent vectorizer tests. NFC.
2016-10-06 23:57:25 +00:00
if-conversion-edgemasks.ll
[LV] Remove triples from target-independent vectorizer tests. NFC.
2016-10-06 23:57:25 +00:00
if-conversion-nest.ll
InstCombine: move hasOneUse check to the top of foldICmpAddConstant
2018-09-10 14:26:44 +00:00
if-conversion-reduction.ll
[LV] Remove triples from target-independent vectorizer tests. NFC.
2016-10-06 23:57:25 +00:00
if-conversion.ll
[LV] Fix PR34523 - avoid generating redundant selects
2017-09-13 06:28:37 +00:00
if-pred-non-void.ll
[LV] Fix PR34248 - recommit D32871 after revert r311304
2017-08-27 12:55:46 +00:00
if-pred-not-when-safe.ll
[LV] Remove triples from target-independent vectorizer tests. NFC.
2016-10-06 23:57:25 +00:00
if-pred-stores.ll
[LV] Avoid redundant operations manipulating masks
2017-07-31 13:21:42 +00:00
if-reduction.ll
Add a new reduction pattern match
2018-11-30 13:40:10 +00:00
incorrect-dom-info.ll
[opaque pointer type] Add textual IR support for explicit type parameter to load instruction
2015-02-27 21:17:42 +00:00
increment.ll
[LV] Remove triples from target-independent vectorizer tests. NFC.
2016-10-06 23:57:25 +00:00
induction_plus.ll
[LV] Remove triples from target-independent vectorizer tests. NFC.
2016-10-06 23:57:25 +00:00
induction-step.ll
[LV] Preserve inbounds on created GEPs
2018-05-01 15:35:08 +00:00
induction.ll
[LV] Do not create SCEVs on broken IR in emitTransformedIndex. PR39160
2018-10-08 05:46:29 +00:00
infiniteloop.ll
…
int_sideeffect.ll
Add an @llvm.sideeffect intrinsic
2017-11-08 21:59:51 +00:00
interleaved-accesses-1.ll
Second attempt at r285517.
2016-10-31 13:17:31 +00:00
interleaved-accesses-2.ll
Second attempt at r285517.
2016-10-31 13:17:31 +00:00
interleaved-accesses-3.ll
Second attempt at r285517.
2016-10-31 13:17:31 +00:00
interleaved-accesses-alias.ll
[LV] Interleaved access vectorization: fix computing new alias info
2017-12-06 22:42:24 +00:00
interleaved-accesses-masked-group.ll
recommit 344472 after fixing build failure on ARM and PPC.
2018-10-14 08:50:06 +00:00
interleaved-accesses-pred-stores.ll
recommit 344472 after fixing build failure on ARM and PPC.
2018-10-14 08:50:06 +00:00
interleaved-accesses.ll
[LV] Preserve inbounds on created GEPs
2018-05-01 15:35:08 +00:00
interleaved-acess-with-remarks.ll
[LV] Fix analyzeInterleaving when -pass-remarks enabled
2018-02-10 00:07:45 +00:00
intrinsic.ll
[VectorUtils] add funnel-shifts to the list of vectorizable intrinsics
2018-11-12 15:20:14 +00:00
invariant-store-vectorization.ll
Revert "[LICM] Enable control flow hoisting by default" and "[LICM] Reapply r347190 "Make LICM able to hoist phis" with fix"
2018-11-29 14:39:39 +00:00
iv_outside_user.ll
[LV] Do not create SCEVs on broken IR in emitTransformedIndex. PR39160
2018-10-08 05:46:29 +00:00
lcssa-crash.ll
[LV] Fix an issue where forming LCSSA in the place that we did would
2017-01-26 10:41:09 +00:00
legal_preheader_check.ll
[LV] Remove unnecessary DoExtraAnalysis guard (silent bug)
2017-12-20 13:28:38 +00:00
libcall-remark.ll
[LoopVectorizer] give more advice in remark about failure to vectorize call
2019-01-12 15:27:15 +00:00
lifetime.ll
Add address space mangling to lifetime intrinsics
2017-04-10 20:18:21 +00:00
loop-form.ll
[opaque pointer type] Add textual IR support for explicit type parameter to getelementptr instruction
2015-02-27 19:29:02 +00:00
loop-scalars.ll
Reapply r298620: [LV] Vectorize GEPs
2017-04-07 14:15:34 +00:00
loop-vect-memdep.ll
[opaque pointer type] Add textual IR support for explicit type parameter to load instruction
2015-02-27 21:17:42 +00:00
memdep.ll
[LV] Fix maximum legal VF calculation
2017-09-14 07:40:02 +00:00
metadata-unroll.ll
[LV] Remove triples from target-independent vectorizer tests. NFC.
2016-10-06 23:57:25 +00:00
metadata-width.ll
[LV] Remove triples from target-independent vectorizer tests. NFC.
2016-10-06 23:57:25 +00:00
metadata.ll
[LV] Remove triples from target-independent vectorizer tests. NFC.
2016-10-06 23:57:25 +00:00
miniters.ll
[LV] Test once if vector trip count is zero, instead of twice
2017-07-19 05:16:39 +00:00
minmax_reduction.ll
[InstCombine] remove extract-of-select vector transform (2nd try)
2017-09-25 20:30:53 +00:00
multi-use-reduction-bug.ll
[LV] Remove triples from target-independent vectorizer tests. NFC.
2016-10-06 23:57:25 +00:00
multiple-address-spaces.ll
[LV] Remove triples from target-independent vectorizer tests. NFC.
2016-10-06 23:57:25 +00:00
multiple-strides-vectorization.ll
[Loop Vectorize] Added a separate metadata
2017-08-20 10:32:41 +00:00
no_array_bounds.ll
[Unroll/UnrollAndJam/Vectorizer/Distribute] Add followup loop attributes.
2018-12-12 17:32:52 +00:00
no_idiv_reduction.ll
[opaque pointer type] Add textual IR support for explicit type parameter to load instruction
2015-02-27 21:17:42 +00:00
no_int_induction.ll
[opaque pointer type] Add textual IR support for explicit type parameter to load instruction
2015-02-27 21:17:42 +00:00
no_outside_user.ll
[LV] Vectorize loops where non-phi instructions used outside loop
2018-08-21 14:40:27 +00:00
no_switch_disable_vectorization.ll
Check bool attribute value in getOptionalBoolLoopAttribute.
2019-01-29 22:33:20 +00:00
no_switch.ll
[Unroll/UnrollAndJam/Vectorizer/Distribute] Add followup loop attributes.
2018-12-12 17:32:52 +00:00
no-interleave-up-front.ll
[LV] Prevent interleaving if computeMaxVF returned None.
2019-02-07 20:49:10 +00:00
noalias-md-licm.ll
[LoopVectorize] Annotate versioned loop with noalias metadata
2016-03-17 20:32:37 +00:00
noalias-md.ll
[LoopVectorize] Annotate versioned loop with noalias metadata
2016-03-17 20:32:37 +00:00
nofloat.ll
[LV] Remove triples from target-independent vectorizer tests. NFC.
2016-10-06 23:57:25 +00:00
non-const-n.ll
[LV] Remove triples from target-independent vectorizer tests. NFC.
2016-10-06 23:57:25 +00:00
nontemporal.ll
[LV] Remove triples from target-independent vectorizer tests. NFC.
2016-10-06 23:57:25 +00:00
nsw-crash.ll
[LV] Remove triples from target-independent vectorizer tests. NFC.
2016-10-06 23:57:25 +00:00
opt.ll
[LV] Remove triples from target-independent vectorizer tests. NFC.
2016-10-06 23:57:25 +00:00
optsize.ll
fix minsize detection: minsize attribute implies optimizing for size
2015-08-11 15:56:31 +00:00
outer_loop_test1.ll
[VPlan] Implement initial vector code generation support for simple outer loops.
2018-09-14 00:36:00 +00:00
outer_loop_test2.ll
[VPlan] Implement initial vector code generation support for simple outer loops.
2018-09-14 00:36:00 +00:00
partial-lcssa.ll
[LV] Run loop-simplify and LCSSA explicitly instead of "requiring" them
2017-01-19 00:42:28 +00:00
phi-cost.ll
[InstCombine] Teach select01 helper of foldSelectIntoOp to handle vector splats
2017-08-28 22:00:27 +00:00
phi-hang.ll
[Verifier] Reject PHIs using defs from own block.
2016-03-26 23:32:57 +00:00
pr25281.ll
[LV] Remove triples from target-independent vectorizer tests. NFC.
2016-10-06 23:57:25 +00:00
pr28541.ll
[LoopVectorize] Detect loops in the innermost loop before creating InnerLoopVectorizer
2016-08-12 22:47:13 +00:00
pr30654-phiscev-sext-trunc.ll
Revert r325687 (workaround for PR36032).
2018-03-22 22:04:39 +00:00
pr31098.ll
[LV/LoopAccess] Check statically if an unknown dependence distance can be
2017-02-12 09:32:53 +00:00
pr31190.ll
[LV][LAA] Vectorize loop invariant values stored into loop invariant address
2018-09-25 20:57:20 +00:00
pr32859.ll
[LoopOptimizer][Fix]PR32859, PR24738
2017-05-13 13:25:57 +00:00
pr33706.ll
[LV] Don't allow outside uses of IVs if the SCEV is predicated on loop conditions.
2017-07-12 19:53:55 +00:00
pr34681.ll
[LV/LAA] Avoid specializing a loop for stride=1 when this predicate implies a
2017-11-05 16:53:15 +00:00
pr35743.ll
[NFC] Add tests for PR35743
2018-02-05 08:09:49 +00:00
pr35773.ll
Revert r325687 (workaround for PR36032).
2018-03-22 22:04:39 +00:00
pr36311.ll
[LV] Adding test for r327109
2018-03-09 18:02:36 +00:00
pr36983.ll
[LV] Fix PR36983. For a given recurrence, fix all phis in exit block
2018-06-08 08:21:20 +00:00
pr37248.ll
[LV] Fix for PR37248, Broadcast codegen incorrectly assumed vector loop body is single basic block
2018-05-08 18:57:34 +00:00
pr37515.ll
[Loop Vectorizer] Abandon vectorization when no integer IV found
2018-09-21 23:03:50 +00:00
pr38800.ll
[Loop Vectorizer] Abandon vectorization when no integer IV found
2018-09-21 23:03:50 +00:00
pr39099.ll
[IAI,LV] Avoid creating interleave-groups for predicated accesse
2018-10-07 06:57:25 +00:00
pr39417-optsize-scevchecks.ll
[LV] Avoid vectorizing loops under opt for size that involve SCEV checks
2018-11-02 09:16:12 +00:00
preserve-dbg-loc-and-loop-metadata.ll
[DebugInfo][LoopVectorize] Preserve DL in generated phi instruction
2018-07-04 10:16:55 +00:00
ptr_loops.ll
[LV] Remove triples from target-independent vectorizer tests. NFC.
2016-10-06 23:57:25 +00:00
ptr-induction.ll
Reverted patch 273864
2016-06-29 10:01:06 +00:00
read-only.ll
[LV] Remove triples from target-independent vectorizer tests. NFC.
2016-10-06 23:57:25 +00:00
reduction-small-size.ll
[LV] Use Demanded Bits and ValueTracking for reduction type-shrinking
2018-02-04 15:42:24 +00:00
reduction.ll
add a missed case for binary op FMF propagation under select folds
2018-08-16 20:59:45 +00:00
remove_metadata.ll
Refactor setAlreadyUnrolled() and setAlreadyVectorized().
2019-02-11 19:45:44 +00:00
reverse_induction.ll
[LV] Don't emit unused scalars for uniform instructions
2016-09-21 16:50:24 +00:00
reverse_iter.ll
Reapply "[LV] Extend trunc optimization to all IVs with constant integer steps"
2017-02-14 16:28:32 +00:00
runtime-check-address-space.ll
[opaque pointer type] Add textual IR support for explicit type parameter to load instruction
2015-02-27 21:17:42 +00:00
runtime-check-readonly-address-space.ll
[opaque pointer type] Add textual IR support for explicit type parameter to load instruction
2015-02-27 21:17:42 +00:00
runtime-check-readonly.ll
[LV] Test once if vector trip count is zero, instead of twice
2017-07-19 05:16:39 +00:00
runtime-check.ll
[LAA] Avoid generating RT checks for known deps preventing vectorization.
2018-12-20 18:49:09 +00:00
runtime-limit.ll
Fix test introduced in r246187 that failed on some systems.
2015-08-27 20:43:29 +00:00
safegep.ll
[opaque pointer type] Add textual IR support for explicit type parameter to load instruction
2015-02-27 21:17:42 +00:00
same-base-access.ll
[LV] Remove triples from target-independent vectorizer tests. NFC.
2016-10-06 23:57:25 +00:00
scalar_after_vectorization.ll
[LV] Preserve inbounds on created GEPs
2018-05-01 15:35:08 +00:00
scalar-select.ll
[LV] Remove triples from target-independent vectorizer tests. NFC.
2016-10-06 23:57:25 +00:00
scev-exitlim-crash.ll
[LV] Remove triples from target-independent vectorizer tests. NFC.
2016-10-06 23:57:25 +00:00
simple-unroll.ll
[LV] Remove triples from target-independent vectorizer tests. NFC.
2016-10-06 23:57:25 +00:00
skip-iterations.ll
NFC: update the test comments in LV test about early exit loops
2018-08-21 21:12:02 +00:00
small-loop.ll
[LV] Optimize for size when vectorizing loops with tiny trip count
2017-06-30 08:02:35 +00:00
start-non-zero.ll
[LV] Remove triples from target-independent vectorizer tests. NFC.
2016-10-06 23:57:25 +00:00
store-shuffle-bug.ll
[LV] Remove triples from target-independent vectorizer tests. NFC.
2016-10-06 23:57:25 +00:00
struct_access.ll
[LV] Remove triples from target-independent vectorizer tests. NFC.
2016-10-06 23:57:25 +00:00
tbaa-nodep.ll
[LV] Remove triples from target-independent vectorizer tests. NFC.
2016-10-06 23:57:25 +00:00
tripcount.ll
Verify profile data confirms large loop trip counts.
2018-02-07 23:29:52 +00:00
undef-inst-bug.ll
[opaque pointer type] Add textual IR support for explicit type parameter to getelementptr instruction
2015-02-27 19:29:02 +00:00
unroll_novec.ll
[LV] Remove triples from target-independent vectorizer tests. NFC.
2016-10-06 23:57:25 +00:00
unroll-novec-memcheck-metadata.ll
[LV] Add regression test for r297610
2017-03-23 20:02:23 +00:00
unroll.ll
[X86] Disable loop unrolling in loop vectorization pass when VF is 1.
2015-05-06 17:12:25 +00:00
unsafe-dep-remark.ll
[DebugInfo] Add DILabel metadata and intrinsic llvm.dbg.label.
2018-05-09 02:40:45 +00:00
unsized-pointee-crash.ll
[LV] Remove triples from target-independent vectorizer tests. NFC.
2016-10-06 23:57:25 +00:00
value-ptr-bug.ll
[opaque pointer type] Add textual IR support for explicit type parameter to load instruction
2015-02-27 21:17:42 +00:00
vect-phiscev-sext-trunc.ll
Revert r325687 (workaround for PR36032).
2018-03-22 22:04:39 +00:00
vect.omp.persistence.ll
[tests] Cleanup vect.omp.persistence.ll test.
2017-07-25 10:35:16 +00:00
vect.stats.ll
[LV] Remove triples from target-independent vectorizer tests. NFC.
2016-10-06 23:57:25 +00:00
vector-geps.ll
Reapply r298620: [LV] Vectorize GEPs
2017-04-07 14:15:34 +00:00
vectorize-once.ll
[Loop Vectorize] Added a separate metadata
2017-08-20 10:32:41 +00:00
version-mem-access.ll
[LV/LAA] Avoid specializing a loop for stride=1 when this predicate implies a
2017-11-05 16:53:15 +00:00
vplan_hcfg_stress_test.ll
[VPlan] Reland r332654 and silence unused func warning
2018-05-21 18:14:23 +00:00
write-only.ll
[LV] Remove triples from target-independent vectorizer tests. NFC.
2016-10-06 23:57:25 +00:00
zero-sized-pointee-crash.ll
[LV] Remove triples from target-independent vectorizer tests. NFC.
2016-10-06 23:57:25 +00:00