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llvm-project/llvm/test/Transforms/LoopVectorize/X86
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Florian Hahn ab2908ed21
[LV] Add tail-folding & required scalar epilogue tests for IG narrowing. 
Add additional tests to cover missing code paths when narrowing
interleave groups:
 * tail-folding
 * interleave-groups that require a scalar iteration.
2026-02-28 10:12:10 +00:00
..
CostModel
[LV] Check Addr in getAddressAccessSCEV in terms of SCEV expressions. (#171204)
2025-12-19 22:05:27 +00:00
already-vectorized.ll
Revert "[PGO] Add llvm.loop.estimated_trip_count metadata" (#151585)
2025-07-31 15:56:31 -04:00
amdlibm-calls-finite.ll
…
amdlibm-calls.ll
…
avx1.ll
[LV][NFC] Remove undef from function return values (#163578)
2025-10-16 09:49:38 +01:00
avx512.ll
[LV] Remove use of llc from vectoriser tests (#154759)
2025-08-26 09:59:06 +01:00
cast-costs.ll
[VPlan] Handle non-free bitcasts in getCostForRecipeWithOpcode.
2026-01-02 18:04:13 +00:00
cleanup-runtime-checks.ll
[LV] Don't preserve LCSSA in SCEVExpander for runtime checks. (#159556)
2025-09-30 10:03:55 +00:00
conditional-scalar-assignment.ll
[LV] Separate runtime check cost from total overhead in profitability check (#176754)
2026-01-23 07:29:56 +00:00
consecutive-ptr-cg-bug.ll
[LV][NFC] Remove undef values in some test cases (#164401)
2025-11-05 09:18:02 +00:00
consecutive-ptr-uniforms.ll
[InstCombine] Only ignore first zero index during GEP canonicalization (#180764)
2026-02-23 08:55:00 +00:00
constant-fold.ll
[VPlan] Remove original loop blocks if dead. (#155497)
2025-10-01 16:53:59 +00:00
constant-vector-operand.ll
…
conversion-cost.ll
[VPlan] Use DL index type consistently for GEPs (#169396)
2025-11-26 12:25:55 +00:00
cost-conditional-branches.ll
[VPlan] Run initial recipe simplification on VPlan0. (#176828)
2026-02-13 12:01:22 +00:00
cost-constant-known-via-scev.ll
[VPlan] Add nuw to unrolled canonical IVs (#183716)
2026-02-27 11:46:29 +00:00
cost-model-assert.ll
[LV][NFC] Remove undef values in some test cases (#164401)
2025-11-05 09:18:02 +00:00
cost-model-i386.ll
…
cost-model.ll
Revert "[VPlan] Remove manual region removal when simplifying for VF and UF. (#181252)"
2026-02-27 21:29:41 +00:00
divs-with-tail-folding.ll
Revert "[VPlan] Don't drop NUW flag on tail folded canonical IVs (#183301)" (#183698)
2026-02-27 09:13:33 +00:00
drop-inbounds-flags-for-reverse-vector-pointer.ll
[VPlan] Directly unroll VectorEndPointerRecipe (#172372)
2026-02-16 09:59:55 +00:00
drop-poison-generating-flags.ll
[VPlan] Run initial recipe simplification on VPlan0. (#176828)
2026-02-13 12:01:22 +00:00
end-pointer-signed.ll
[VPlan] Directly unroll VectorEndPointerRecipe (#172372)
2026-02-16 09:59:55 +00:00
ephemeral-recipes.ll
…
epilog-vectorization-inductions.ll
[LV] Teach m_One, m_ZeroInt patterns to look through broadcasts (#170159)
2026-01-07 10:35:08 +00:00
fixed-order-recurrence.ll
[VPlan] Use DL index type consistently for GEPs (#169396)
2025-11-26 12:25:55 +00:00
float-induction-x86.ll
[VPlan] Directly unroll VectorPointerRecipe (#168886)
2025-12-15 10:54:06 +00:00
fminimumnum.ll
[LAA] Use SCEVPtrToAddr in tryToCreateDiffChecks. (#178861)
2026-02-11 11:51:51 +00:00
fneg-cost.ll
…
fold-tail-low-trip-count.ll
Revert "[VPlan] Don't drop NUW flag on tail folded canonical IVs (#183301)" (#183698)
2026-02-27 09:13:33 +00:00
fp32_to_uint32-cost-model.ll
[LV] Remove use of llc from vectoriser tests (#154759)
2025-08-26 09:59:06 +01:00
fp64_to_uint32-cost-model.ll
[LV] Remove use of llc from vectoriser tests (#154759)
2025-08-26 09:59:06 +01:00
fp80-widest-type.ll
[LV][NFC] Remove undef from phi incoming values (#163762)
2025-10-21 10:49:27 +01:00
fp_to_sint8-cost-model.ll
…
funclet.ll
…
gather_scatter.ll
Reland [VPlan] Expand WidenInt inductions with nuw/nsw (#168354)
2025-11-17 13:44:25 +00:00
gather-cost.ll
[LV] Check Addr in getAddressAccessSCEV in terms of SCEV expressions. (#171204)
2025-12-19 22:05:27 +00:00
gather-vs-interleave.ll
…
gcc-examples.ll
…
gep-use-outside-loop.ll
[IR] Replace alignment argument with attribute on masked intrinsics (#163802)
2025-10-20 08:50:09 +00:00
i1-reg-usage.ll
…
illegal-parallel-loop-uniform-write.ll
[test][Transforms] Remove unsafe-fp-math uses part 2 (NFC) (#164786)
2025-10-23 20:31:31 +08:00
imprecise-through-phis.ll
[VPlan] Use DL index type consistently for GEPs (#169396)
2025-11-26 12:25:55 +00:00
induction-costs.ll
[VPlan] Add nuw to unrolled canonical IVs (#183716)
2026-02-27 11:46:29 +00:00
induction-step.ll
[LV] Teach m_One, m_ZeroInt patterns to look through broadcasts (#170159)
2026-01-07 10:35:08 +00:00
int128_no_gather.ll
[test][Transforms] Remove unsafe-fp-math uses part 2 (NFC) (#164786)
2025-10-23 20:31:31 +08:00
interleave_short_tc.ll
…
interleave-cost.ll
[LV] Check Addr in getAddressAccessSCEV in terms of SCEV expressions. (#171204)
2025-12-19 22:05:27 +00:00
interleave-opaque-pointers.ll
[VPlan] Remove PtrIV::IsScalarAfterVectorization, use VPlan analysis. (#168289)
2025-11-20 18:58:25 +00:00
interleave-ptradd-with-replicated-operand.ll
[VPlan] Add VPInstruction to unpack vector values to scalars. (#155670)
2025-10-19 18:49:05 +00:00
interleaved-accesses-hoist-load-across-store.ll
[LV] Check Addr in getAddressAccessSCEV in terms of SCEV expressions. (#171204)
2025-12-19 22:05:27 +00:00
interleaved-accesses-large-gap.ll
[LV][NFC] Remove undef values in some test cases (#164401)
2025-11-05 09:18:02 +00:00
interleaved-accesses-sink-store-across-load.ll
Reland [VPlan] Expand WidenInt inductions with nuw/nsw (#168354)
2025-11-17 13:44:25 +00:00
interleaved-accesses-use-after-free.ll
…
interleaved-accesses-waw-dependency.ll
…
interleaving.ll
[VPlan] Remove original loop blocks if dead. (#155497)
2025-10-01 16:53:59 +00:00
intrinsiccost.ll
[VPlan] Use DL index type consistently for GEPs (#169396)
2025-11-26 12:25:55 +00:00
invariant-load-gather.ll
[VPlan] Sink recipes from the vector loop region in licm. (#168031)
2026-02-03 07:57:15 +00:00
invariant-store-vectorization.ll
[VPlan] Use DL index type consistently for GEPs (#169396)
2025-11-26 12:25:55 +00:00
iv-live-outs.ll
[VPlan] Use DL index type consistently for GEPs (#169396)
2025-11-26 12:25:55 +00:00
libm-vector-calls-finite.ll
…
libm-vector-calls-VF2-VF8.ll
…
libm-vector-calls.ll
…
limit-vf-by-tripcount.ll
[VPlan] Use DL index type consistently for GEPs (#169396)
2025-11-26 12:25:55 +00:00
lit.local.cfg
…
load-deref-pred.ll
Revert "[VPlan] Remove manual region removal when simplifying for VF and UF. (#181252)"
2026-02-27 21:29:41 +00:00
masked_load_store.ll
[VPlan] Directly unroll VectorEndPointerRecipe (#172372)
2026-02-16 09:59:55 +00:00
masked-store-cost.ll
[VPlan] Add nuw to unrolled canonical IVs (#183716)
2026-02-27 11:46:29 +00:00
max-mstore.ll
…
metadata-enable.ll
[VPlan] Use DL index type consistently for GEPs (#169396)
2025-11-26 12:25:55 +00:00
min-trip-count-switch.ll
…
mul_slm_16bit.ll
…
multi-exit-cost.ll
[VPlan] Directly unroll VectorEndPointerRecipe (#172372)
2026-02-16 09:59:55 +00:00
narrow-to-single-scalar.ll
[VPlan] Fix assert in store-user in narrowToSingleScalars (#167686)
2025-11-12 17:53:24 +00:00
no_fpmath_with_hotness.ll
…
no_fpmath.ll
…
no-vector.ll
…
nontemporal.ll
…
optsize.ll
Reland [VPlan] Expand WidenInt inductions with nuw/nsw (#168354)
2025-11-17 13:44:25 +00:00
outer_loop_test1_no_explicit_vect_width.ll
Reland [VPlan] Expand WidenInt inductions with nuw/nsw (#168354)
2025-11-17 13:44:25 +00:00
parallel-loops-after-reg2mem.ll
…
parallel-loops.ll
[VPlan] Add VPInstruction to unpack vector values to scalars. (#155670)
2025-10-19 18:49:05 +00:00
pointer-runtime-checks-unprofitable.ll
…
powof2div.ll
…
pr23997.ll
[VPlan] Use DL index type consistently for GEPs (#169396)
2025-11-26 12:25:55 +00:00
pr34438.ll
[VPlan] Remove original loop blocks if dead. (#155497)
2025-10-01 16:53:59 +00:00
pr35432.ll
[VPlan] Use DL index type consistently for GEPs (#169396)
2025-11-26 12:25:55 +00:00
pr36524.ll
Reland [VPlan] Expand WidenInt inductions with nuw/nsw (#168354)
2025-11-17 13:44:25 +00:00
pr39160.ll
[LV][NFC] Remove remaining uses of undef in tests (#169357)
2025-11-26 11:24:10 +00:00
pr42674.ll
…
pr47437.ll
[VPlan] Use DL index type consistently for GEPs (#169396)
2025-11-26 12:25:55 +00:00
pr48340.ll
[IR] Replace alignment argument with attribute on masked intrinsics (#163802)
2025-10-20 08:50:09 +00:00
pr51366-sunk-instruction-used-outside-of-loop.ll
Reland [VPlan] Expand WidenInt inductions with nuw/nsw (#168354)
2025-11-17 13:44:25 +00:00
pr54413-select-interleave-count-loop-with-cost-zero.ll
…
pr54634.ll
[VPlan] Add nuw to unrolled canonical IVs (#183716)
2026-02-27 11:46:29 +00:00
pr55096-scalarize-add.ll
Reland [VPlan] Expand WidenInt inductions with nuw/nsw (#168354)
2025-11-17 13:44:25 +00:00
pr56319-vector-exit-cond-optimization-epilogue-vectorization.ll
[VPlan] Remove VPVectorPointer for part 0 after unrolling. (#149735)
2025-07-27 13:53:26 +01:00
pr72969.ll
[VPlan] Sink recipes from the vector loop region in licm. (#168031)
2026-02-03 07:57:15 +00:00
pr81872.ll
[VPlan] Directly unroll VectorEndPointerRecipe (#172372)
2026-02-16 09:59:55 +00:00
pr109581-unused-blend.ll
[VPlan] Simplify Plan's entry in removeBranchOnConst. (#154510)
2025-09-18 19:25:05 +01:00
pr131359-dead-for-splice.ll
[VPlan] Add nuw to unrolled canonical IVs (#183716)
2026-02-27 11:46:29 +00:00
pr141968-instsimplifyfolder.ll
[VPlan] Run initial recipe simplification on VPlan0. (#176828)
2026-02-13 12:01:22 +00:00
predicate-switch.ll
[VPlan] Explicitly reassociate header mask in logical and (#180898)
2026-02-12 14:56:15 +00:00
predicated-instruction-cost.ll
[VPlan] Skip gather/scatters in useEmulatedMaskMemRefHack.
2026-02-16 21:01:16 +00:00
predicated-udiv.ll
[VPlan] Sink recipes from the vector loop region in licm. (#168031)
2026-02-03 07:57:15 +00:00
propagate-metadata.ll
…
ptr-indvar-crash.ll
…
rauw-bug.ll
[LV][NFC] Remove undef from phi incoming values (#163762)
2025-10-21 10:49:27 +01:00
reduction-crash.ll
Reapply "[VPlan] Detect and create partial reductions in VPlan. (NFCI) (#167851)"
2026-02-01 16:27:27 +00:00
reduction-fastmath.ll
[VPlan] Use DL index type consistently for GEPs (#169396)
2025-11-26 12:25:55 +00:00
reduction-small-size.ll
[VPlan] Include flags in VectorPointerRecipe::printRecipe (#169466)
2025-11-25 10:26:51 +00:00
redundant-vf2-cost.ll
…
reg-usage-debug.ll
…
reg-usage.ll
…
register-assumption.ll
…
replicate-recipe-with-only-first-lane-used.ll
[VPlan] Sink recipes from the vector loop region in licm. (#168031)
2026-02-03 07:57:15 +00:00
replicate-uniform-call.ll
Reapply "[VPlan] Remove legacy costing inside VPBlendRecipe::computeCost (#171846)" (#172261)
2025-12-16 06:30:54 +00:00
replicating-load-store-costs-max-bandwidth.ll
[VPlan] Match legacy behavior w.r.t. using pointer phis as scalar addrs.
2025-10-20 11:09:25 +01:00
replicating-load-store-costs.ll
[VPlan] Add nuw to unrolled canonical IVs (#183716)
2026-02-27 11:46:29 +00:00
runtime-limit.ll
[LV][NFC] Remove undef from function return values (#163578)
2025-10-16 09:49:38 +01:00
scatter_crash.ll
Reland [VPlan] Expand WidenInt inductions with nuw/nsw (#168354)
2025-11-17 13:44:25 +00:00
scev-checks-unprofitable.ll
[VPlan] Don't preserve LCSSA in expandSCEVs. (#165505)
2025-10-29 18:25:46 +00:00
slm-no-vectorize.ll
…
small-size.ll
[VPlan] Simplify ExitingIVValue and use for tail-folded IVs. (#182507)
2026-02-26 11:48:04 +00:00
strided_load_cost.ll
[VPlan] Directly unroll VectorPointerRecipe (#168886)
2025-12-15 10:54:06 +00:00
struct-store.ll
…
svml-calls-finite.ll
…
svml-calls.ll
…
tail_folding_and_assume_safety.ll
[test][Transforms] Remove unsafe-fp-math uses part 2 (NFC) (#164786)
2025-10-23 20:31:31 +08:00
tail_loop_folding.ll
Revert "[VPlan] Don't drop NUW flag on tail folded canonical IVs (#183301)" (#183698)
2026-02-27 09:13:33 +00:00
transform-narrow-interleave-to-widen-memory-gaps.ll
Reland [VPlan] Expand WidenInt inductions with nuw/nsw (#168354)
2025-11-17 13:44:25 +00:00
transform-narrow-interleave-to-widen-memory-live-outs.ll
[LV] Add tail-folding & required scalar epilogue tests for IG narrowing.
2026-02-28 10:12:10 +00:00
transform-narrow-interleave-to-widen-memory.ll
Reapply "[VPlan] Run narrowInterleaveGroups during general VPlan optimizations. (#149706)"
2026-02-15 20:10:10 +00:00
tripcount.ll
…
uint64_to_fp64-cost-model.ll
…
uniform_load.ll
[VPlan] Use DL index type consistently for GEPs (#169396)
2025-11-26 12:25:55 +00:00
uniform_mem_op.ll
[VPlan] Add nuw to unrolled canonical IVs (#183716)
2026-02-27 11:46:29 +00:00
uniform-phi.ll
…
uniformshift.ll
[SCEV] Handle non-constant start values in AddRec UDiv canonicalization. (#170474)
2025-12-03 21:13:11 +00:00
unroll_selection.ll
…
unroll-pm.ll
[LV][NFC] Remove undef from function return values (#163578)
2025-10-16 09:49:38 +01:00
unroll-small-loops.ll
…
veclib-calls.ll
…
vect.omp.force.ll
…
vect.omp.force.small-tc.ll
[VPlan] Use DL index type consistently for GEPs (#169396)
2025-11-26 12:25:55 +00:00
vector_max_bandwidth.ll
…
vector_ptr_load_store.ll
…
vector-scalar-select-cost.ll
[VPlan] Remove VPWidenSelectRecipe, use VPWidenRecipe instead (NFCI). (#174234)
2026-01-05 22:33:37 +00:00
vectorization-remarks-loopid-dbg.ll
[LV] Remove use of llc from vectoriser tests (#154759)
2025-08-26 09:59:06 +01:00
vectorization-remarks-missed.ll
Reland "[LV] Support conditional scalar assignments of masked operations" (#180708)
2026-02-10 09:57:48 +00:00
vectorization-remarks-profitable.ll
[test][Transforms] Remove unsafe-fp-math uses part 2 (NFC) (#164786)
2025-10-23 20:31:31 +08:00
vectorization-remarks.ll
[LV] Remove use of llc from vectoriser tests (#154759)
2025-08-26 09:59:06 +01:00
vectorize-force-tail-with-evl.ll
Revert "[VPlan] Don't drop NUW flag on tail folded canonical IVs (#183301)" (#183698)
2026-02-27 09:13:33 +00:00
vectorize-interleaved-accesses-gap.ll
[IR] Replace alignment argument with attribute on masked intrinsics (#163802)
2025-10-20 08:50:09 +00:00
vectorize-only-for-real.ll
…
vplan-native-inner-loop-only.ll
[VPlan] Add VPInstruction to unpack vector values to scalars. (#155670)
2025-10-19 18:49:05 +00:00
vplan-single-bit-ind-var-width-4.ll
[VPlan] Allow truncation for lanes in VPScalarIVStepsRecipe (#175268)
2026-01-10 10:34:46 -05:00
vplan-single-bit-ind-var.ll
[VPlan] Use unsigned integers for lane start indices (#175231)
2026-01-09 14:28:28 -08:00
widened-value-used-as-scalar-and-first-lane.ll
[VPlan] Add nuw to unrolled canonical IVs (#183716)
2026-02-27 11:46:29 +00:00
x86_fp80-interleaved-access.ll
[LV][NFC] Remove undef from phi incoming values (#163762)
2025-10-21 10:49:27 +01:00
x86_fp80-vector-store.ll
[VPlan] Add VPInstruction to unpack vector values to scalars. (#155670)
2025-10-19 18:49:05 +00:00
x86-interleaved-accesses-masked-group.ll
Reland [VPlan] Expand WidenInt inductions with nuw/nsw (#168354)
2025-11-17 13:44:25 +00:00
x86-interleaved-store-accesses-with-gaps.ll
Reland [VPlan] Expand WidenInt inductions with nuw/nsw (#168354)
2025-11-17 13:44:25 +00:00
x86-pr39099.ll
…
x86-predication.ll
Reland [VPlan] Expand WidenInt inductions with nuw/nsw (#168354)
2025-11-17 13:44:25 +00:00