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llvm-project/llvm/test/Transforms/LoopVectorize/X86
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Florian Hahn 1054a6e9de
[SCEV] Handle non-constant start values in AddRec UDiv canonicalization. (#170474) 
Follow-up to https://github.com/llvm/llvm-project/pull/169576 to enable
UDiv canonicalization if the start of the AddRec is not constant.

The fold is not restricted to constant start values, as long as we are
able to compute a constant remainder. The fold is only applied if the
subtraction of the remainder can be folded into to start expression, but
that is just to avoid creating more complex AddRecs.

For reference, the proof from #169576 is
https://alive2.llvm.org/ce/z/iu2tav

PR: https://github.com/llvm/llvm-project/pull/170474
2025-12-03 21:13:11 +00:00
..
CostModel
[VPlan] Include flags in VectorPointerRecipe::printRecipe (#169466)
2025-11-25 10:26:51 +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
cleanup-runtime-checks.ll
[LV] Don't preserve LCSSA in SCEVExpander for runtime checks. (#159556)
2025-09-30 10:03:55 +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
Reland [VPlan] Expand WidenInt inductions with nuw/nsw (#168354)
2025-11-17 13:44:25 +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] Skip uses-scalars restriction if one of ops needs broadcast. (#168246)
2025-11-28 10:26:27 +00:00
cost-constant-known-via-scev.ll
[VPlan] Remove original loop blocks if dead. (#155497)
2025-10-01 16:53:59 +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
[VPlan] Skip uses-scalars restriction if one of ops needs broadcast. (#168246)
2025-11-28 10:26:27 +00:00
divs-with-tail-folding.ll
[IR] Replace alignment argument with attribute on masked intrinsics (#163802)
2025-10-20 08:50:09 +00:00
drop-inbounds-flags-for-reverse-vector-pointer.ll
[VPlan] Use DL index type consistently for GEPs (#169396)
2025-11-26 12:25:55 +00:00
drop-poison-generating-flags.ll
[IR] Replace alignment argument with attribute on masked intrinsics (#163802)
2025-10-20 08:50:09 +00:00
ephemeral-recipes.ll
…
epilog-vectorization-inductions.ll
[VPlan] Use DL index type consistently for GEPs (#169396)
2025-11-26 12:25:55 +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] Use DL index type consistently for GEPs (#169396)
2025-11-26 12:25:55 +00:00
fminimumnum.ll
[VPlan] Use DL index type consistently for GEPs (#169396)
2025-11-26 12:25:55 +00:00
fneg-cost.ll
…
fold-tail-low-trip-count.ll
[LV] Add tests for loops with low trip counts requiring tail-folding.
2025-11-20 18:42:12 +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
…
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] Use DL index type consistently for GEPs (#169396)
2025-11-26 12:25:55 +00:00
induction-step.ll
[VPlan] Use DL index type consistently for GEPs (#169396)
2025-11-26 12:25:55 +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
Reland [VPlan] Expand WidenInt inductions with nuw/nsw (#168354)
2025-11-17 13:44:25 +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
[VPlan] Add VPInstruction to unpack vector values to scalars. (#155670)
2025-10-19 18:49:05 +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] Handle single-scalar conds in VPWidenSelectRecipe. (#165506)
2025-11-05 22:11:29 +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
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load-deref-pred.ll
[VPlan] Use DL index type consistently for GEPs (#169396)
2025-11-26 12:25:55 +00:00
masked_load_store.ll
[VPlan] Use DL index type consistently for GEPs (#169396)
2025-11-26 12:25:55 +00:00
masked-store-cost.ll
[VPlan] Use DL index type consistently for GEPs (#169396)
2025-11-26 12:25:55 +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] Use DL index type consistently for GEPs (#169396)
2025-11-26 12:25:55 +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
[IR] Replace alignment argument with attribute on masked intrinsics (#163802)
2025-10-20 08:50:09 +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
…
pr81872.ll
[VPlan] Use DL index type consistently for GEPs (#169396)
2025-11-26 12:25:55 +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] Simplify Plan's entry in removeBranchOnConst. (#154510)
2025-09-18 19:25:05 +01:00
pr141968-instsimplifyfolder.ll
[VPlan] Handle single-scalar conds in VPWidenSelectRecipe. (#165506)
2025-11-05 22:11:29 +00:00
predicate-switch.ll
[VPlan] Use DL index type consistently for GEPs (#169396)
2025-11-26 12:25:55 +00:00
predicated-instruction-cost.ll
…
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
[VPlan] Remove VPVectorPointer for part 0 after unrolling. (#149735)
2025-07-27 13:53:26 +01:00
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] Handle single-scalar conds in VPWidenSelectRecipe. (#165506)
2025-11-05 22:11:29 +00:00
replicate-uniform-call.ll
[VPlan] Remove original loop blocks if dead. (#155497)
2025-10-01 16:53:59 +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] Skip uses-scalars restriction if one of ops needs broadcast. (#168246)
2025-11-28 10:26:27 +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
Reapply "[LV] Use ExtractLane(LastActiveLane, V) live outs when tail-folding. (#149042)"
2025-11-26 20:03:55 +00:00
strided_load_cost.ll
[VPlan] Use DL index type consistently for GEPs (#169396)
2025-11-26 12:25:55 +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
[IR] Replace alignment argument with attribute on masked intrinsics (#163802)
2025-10-20 08:50:09 +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.ll
Revert "[VPlan] Run narrowInterleaveGroups during general VPlan optimizations. (#149706)"
2025-10-22 21:27:11 +01:00
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] Hoist loads with invariant addresses using noalias metadata. (#166247)
2025-11-18 09:35:48 +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] Handle single-scalar conds in VPWidenSelectRecipe. (#165506)
2025-11-05 22:11:29 +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
[LV] Emit all remarks for unvectorizable instructions (#153833)
2025-08-18 18:04:53 +01:00
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
[VPlan] Use DL index type consistently for GEPs (#169396)
2025-11-26 12:25:55 +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-vp-intrinsics.ll
[VPlan] Include flags in VectorPointerRecipe::printRecipe (#169466)
2025-11-25 10:26:51 +00:00
widened-value-used-as-scalar-and-first-lane.ll
[VPlan] Use DL index type consistently for GEPs (#169396)
2025-11-26 12:25:55 +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