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llvm-project/llvm/test/Transforms/SimplifyCFG
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Nikita Popov 055bfc0271
[InstCombine] Strip leading zero indices from GEP (#155415) 
GEPs are often in the form `gep [N x %T], ptr %p, i64 0, i64 %idx`.
Canonicalize these to `gep %T, ptr %p, i64 %idx`.

This enables transforms that only support one GEP index to work and
improves CSE.

Various transforms were recently hardened to make sure they still work
without the leading index.
2025-09-01 09:58:11 +02:00
..
AArch64
…
AMDGPU
Revert "[SimplifyCFG] Skip threading if the target may have divergent branches" (#100994)
2024-07-29 11:34:26 +02:00
ARM
[CostModel] Handle all cost kinds in getCmpSelInstrCost (#148233)
2025-07-15 18:08:52 +01:00
Hexagon
[InstCombine] Strip leading zero indices from GEP (#155415)
2025-09-01 09:58:11 +02:00
Mips
…
PowerPC
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RISCV
[SimplifyCfg] Add nneg to zext for switch to table conversion (#147180)
2025-08-04 16:18:05 +02:00
SPARC
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X86
[IR] Remove size argument from lifetime intrinsics (#150248)
2025-08-08 11:09:34 +02:00
1elt-ptr-vec-alignment-crash.ll
…
2002-05-21-PHIElimination.ll
…
2002-09-24-PHIAssertion.ll
…
2003-03-07-DominateProblem.ll
…
2003-08-05-InvokeCrash.ll
…
2003-08-17-BranchFold.ll
…
2003-08-17-BranchFoldOrdering.ll
…
2003-08-17-FoldSwitch-dbg.ll
…
2003-08-17-FoldSwitch.ll
…
2004-12-10-SimplifyCFGCrash.ll
[llvm] Remove br i1 undef from some regression tests [NFC] (#118419)
2024-12-03 20:54:36 +00:00
2005-06-16-PHICrash.ll
…
2005-08-01-PHIUpdateFail.ll
…
2005-10-02-InvokeSimplify.ll
…
2005-12-03-IncorrectPHIFold.ll
…
2006-02-17-InfiniteUnroll.ll
…
2006-06-12-InfLoop.ll
[llvm] Remove br i1 undef from some regression tests [NFC] (#118419)
2024-12-03 20:54:36 +00:00
2006-08-03-Crash.ll
…
2006-12-08-Ptr-ICmp-Branch.ll
…
2007-11-22-InvokeNoUnwind.ll
…
2007-12-21-Crash.ll
…
2008-01-02-hoist-fp-add.ll
…
2008-05-16-PHIBlockMerge.ll
…
2008-07-13-InfLoopMiscompile.ll
[SimplifyCFG] Avoid threading for loop headers (#151142)
2025-08-18 09:46:55 +00:00
2008-09-08-MultiplePred.ll
…
2008-09-17-SpeculativeHoist.ll
…
2008-10-03-SpeculativelyExecuteBeforePHI.ll
…
2008-12-06-SingleEntryPhi.ll
…
2008-12-16-DCECond.ll
…
2009-01-18-PHIPropCrash.ll
…
2009-05-12-externweak.ll
[IR] Remove support for icmp and fcmp constant expressions (#93038)
2024-06-04 08:31:03 +02:00
2011-03-08-UnreachableUse.ll
…
2011-09-05-TrivialLPad.ll
…
2025-07-29-non-canoncial-loop.ll
[SimplifyCFG] Avoid threading for loop headers (#151142)
2025-08-18 09:46:55 +00:00
annotations.ll
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assume.ll
…
attr-convergent.ll
…
attr-noduplicate.ll
…
avoid-complex-phi.ll
[SimplifyCFG] Avoid increasing too many phi entries when removing empty blocks (#104887)
2024-09-25 12:41:13 +02:00
basictest.ll
[SimplifyCFG] Regenerate test checks (NFC)
2024-06-05 17:06:25 +02:00
bbi-23595.ll
…
branch-cond-dont-merge.ll
…
branch-cond-merge.ll
…
branch-cond-prop.ll
…
branch-fold-dbg.ll
[RemoveDIs] Remove "try-debuginfo-iterators..." test flags (#130298)
2025-03-14 15:50:49 +00:00
branch-fold-multiple.ll
…
branch-fold-test.ll
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branch-fold-three.ll
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branch-fold-threshold.ll
[SimplifyCFG] branch-fold-threshold.ll - regenerate checks
2024-06-05 15:33:56 +01:00
branch-fold.ll
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branch-nested.ll
[SimplifyCFG] Simplify nested branches (#97067)
2024-07-01 03:35:39 +08:00
branch-on-undef.ll
[llvm] Remove br i1 undef from some regression tests [NFC] (#118419)
2024-12-03 20:54:36 +00:00
branch-phi-thread.ll
[SimplifyCFG] Avoid threading for loop headers (#151142)
2025-08-18 09:46:55 +00:00
BrUnwind.ll
…
call-null.ll
…
callbr-destinations.ll
[SimplifyCFG] Regenerate test checks (NFC)
2024-06-05 17:06:25 +02:00
change-to-unreachable-matching-successor.ll
…
clamp.ll
…
cleanup-phis.ll
…
common-code-hoisting.ll
[IR] Remove size argument from lifetime intrinsics (#150248)
2025-08-08 11:09:34 +02:00
common-dest-folding.ll
…
commondest-loopid.ll
…
constantexprs.ll
…
convergent.ll
Revert "[SimplifyCFG] Skip threading if the target may have divergent branches" (#100994)
2024-07-29 11:34:26 +02:00
dbginfo.ll
[RemoveDIs] Remove "try-debuginfo-iterators..." test flags (#130298)
2025-03-14 15:50:49 +00:00
dbgloc-merge-invoke.ll
[DebugInfo][SimplifyCFG] Fully propagate merged invoke DILocations (#114235)
2024-11-15 17:20:55 +00:00
dce-cond-after-folding-terminator.ll
…
DeadSetCC.ll
…
debug-info-thread-phi.ll
[RemoveDIs] Remove "try-debuginfo-iterators..." test flags (#130298)
2025-03-14 15:50:49 +00:00
div-rem-pairs.ll
…
dont-hoist-deoptimize.ll
…
drop-debug-loc-when-speculating.ll
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duplicate-landingpad.ll
[SimplifyCFG] Regenerate test checks (NFC)
2024-06-05 17:06:25 +02:00
duplicate-phis.ll
…
empty-catchpad.ll
[SimplifyCFG] Regenerate test checks (NFC)
2024-06-05 17:06:25 +02:00
EmptyBlockMerge.ll
…
EqualPHIEdgeBlockMerge.ll
[SimplifyCFG] Regenerate test checks (NFC)
2024-06-05 17:06:25 +02:00
extract-cost.ll
…
fold-branch-to-common-dest-free-cost.ll
…
fold-branch-to-common-dest-phis.ll
…
fold-branch-to-common-dest-two-preds-cost.ll
…
fold-branch-to-common-dest.ll
[SimplifyCFG] Handle trunc condition in foldBranchToCommonDest. (#135490)
2025-04-13 13:16:15 +02:00
fold-debug-info.ll
…
fold-debug-location.ll
…
fold-two-entry-phi-node-with-one-block-profmd.ll
[SimplifyCFG] Regenerate test checks (NFC)
2024-06-05 17:06:25 +02:00
fold-two-entry-phi-node-with-two-blocks-profmd.ll
[SimplifyCFG] Regenerate test checks (NFC)
2024-06-05 17:06:25 +02:00
FoldValueComparisonIntoPredecessors-domtree-preservation-edgecase-2.ll
[SimplifyCFG] Regenerate test checks (NFC)
2024-06-05 17:06:25 +02:00
FoldValueComparisonIntoPredecessors-domtree-preservation-edgecase.ll
[SimplifyCFG] Regenerate test checks (NFC)
2024-06-05 17:06:25 +02:00
FoldValueComparisonIntoPredecessors-no-new-successors.ll
…
ForwardSwitchConditionToPHI.ll
[SimplifyCFG] Simplify switch instruction that has duplicate arms (#114262)
2024-11-15 15:38:34 +01:00
gepcost.ll
[SimplifyCFG] Regenerate test checks (NFC)
2024-06-05 17:06:25 +02:00
guards.ll
…
hoist-cb-diff-attrs.ll
[SimplifyCFG] Supporting hoisting/sinking callbases with differing attrs
2024-10-01 18:27:08 -05:00
hoist-common-code-with-unreachable.ll
[SimplifyCFG] Regenerate test checks (NFC)
2024-06-05 17:06:25 +02:00
hoist-common-code.ll
[SimplifyCFG] Add support for hoisting commutative instructions (#104805)
2024-08-20 12:48:06 +02:00
hoist-common-skip-limit.ll
…
hoist-common-skip.ll
[SimplifyCFG] Regenerate test checks (NFC)
2024-06-05 17:06:25 +02:00
hoist-dbgvalue-inlined.ll
[RemoveDIs] Remove "try-debuginfo-iterators..." test flags (#130298)
2025-03-14 15:50:49 +00:00
hoist-dbgvalue.ll
[RemoveDIs] Remove "try-debuginfo-iterators..." test flags (#130298)
2025-03-14 15:50:49 +00:00
hoist-from-addresstaken-block.ll
…
hoist-sink-swifterror-store.ll
[SimplifyCFG][swifterror] Don't sink calls with swifterror params (#139015)
2025-05-12 14:37:26 -07:00
hoist-with-metadata.ll
Local: Handle noalias_addrspace in combineMetadata (#103938)
2024-11-26 09:13:34 -05:00
HoistCode.ll
[SimplifyCFG] Simplify switch instruction that has duplicate arms (#114262)
2024-11-15 15:38:34 +01:00
hoisting-metadata.ll
[SimplifyCFG] Always allow hoisting if all instructions match. (#97158)
2024-12-13 21:26:27 +00:00
implied-and-or.ll
…
implied-cond-matching-false-dest.ll
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implied-cond-matching-imm.ll
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implied-cond-matching.ll
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implied-cond.ll
…
indirectbr.ll
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InfLoop.ll
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inline-asm-sink.ll
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invoke_unwind_lifetime.ll
[IR] Remove size argument from lifetime intrinsics (#150248)
2025-08-08 11:09:34 +02:00
invoke_unwind.ll
…
invoke.ll
[SimplifyCFG] Regenerate test checks (NFC)
2024-06-05 17:06:25 +02:00
iterative-simplify.ll
…
jump-threading-debuginfo.ll
[RemoveDIs] Print IR with debug records by default (#91724)
2024-06-14 15:07:27 +01:00
jump-threading-live-on-exit.ll
[SimplifyCFG] Extend jump-threading to allow live local defs (#135079)
2025-07-31 09:44:14 -04:00
jump-threading-max-jump-threading-live-blocks.ll
[SimplifyCFG] Extend jump-threading to allow live local defs (#135079)
2025-07-31 09:44:14 -04:00
jump-threading.ll
[SimplifyCFG] Avoid threading for loop headers (#151142)
2025-08-18 09:46:55 +00:00
lifetime-landingpad.ll
[IR] Remove size argument from lifetime intrinsics (#150248)
2025-08-08 11:09:34 +02:00
lifetime.ll
[IR] Remove size argument from lifetime intrinsics (#150248)
2025-08-08 11:09:34 +02:00
merge-callee-type-metadata.ll
[llvm] Introduce callee_type metadata
2025-07-18 14:40:54 -07:00
merge-calls-memprof-left.ll
[Metadata] Handle memprof, callsite merging when one is missing. (#132106)
2025-04-02 11:10:02 -06:00
merge-calls-memprof-right.ll
[Metadata] Handle memprof, callsite merging when one is missing. (#132106)
2025-04-02 11:10:02 -06:00
merge-calls-memprof.ll
[MemProf][PGO] Prevent dropping of profile metadata during optimization (#121359)
2025-01-02 12:11:59 -08:00
merge-cond-stores-2.ll
[NFC][SimplifyCFG] Simplify operators for the combined predicate in mergeConditionalStoreToAddress (#155058)
2025-08-26 07:07:59 -07:00
merge-cond-stores.ll
[NFC][SimplifyCFG] Simplify operators for the combined predicate in mergeConditionalStoreToAddress (#155058)
2025-08-26 07:07:59 -07:00
merge-default.ll
[SimplifyCFG] Regenerate test checks (NFC)
2024-06-05 17:06:25 +02:00
merge-deopt-bundle-constants.ll
[SimplifyCFG] Regenerate test checks (NFC)
2024-06-05 17:06:25 +02:00
merge-direct-call-branch-weights-in-hoist.ll
…
merge-direct-call-branch-weights-in-sink.ll
…
merge-direct-call-branch-weights-preserve-hoist.ll
Reapply [Metadata] Preserve MD_prof when merging instructions when one is missing. (#135418)
2025-04-17 08:22:19 -07:00
merge-direct-call-branch-weights-preserve-sink.ll
Reapply [Metadata] Preserve MD_prof when merging instructions when one is missing. (#135418)
2025-04-17 08:22:19 -07:00
merge-duplicate-conditional-ret-val.ll
[SimplifyCFG] Regenerate test checks (NFC)
2024-06-05 17:06:25 +02:00
merge-empty-return-blocks.ll
[SimplifyCFG] Regenerate test checks (NFC)
2024-06-05 17:06:25 +02:00
merge-phis-in-switch.ll
[SimplifyCFG] Regenerate test checks (NFC)
2024-06-05 17:06:25 +02:00
mmra.ll
[IR] Memory Model Relaxation Annotations (#78569)
2024-04-24 08:52:25 +02:00
multiple-phis.ll
[SimplifyCFG] Regenerate test checks (NFC)
2024-06-05 17:06:25 +02:00
no_speculative_loads_with_asan.ll
…
no_speculative_loads_with_tsan.ll
…
no-md-sink.ll
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nomerge.ll
…
nonintegral.ll
…
noreturn-call.ll
…
opaque-ptr.ll
…
opt-for-fuzzing.ll
…
patchpoint-invalid-sink.ll
[Patchpoint] Add immarg attributes to patchpoint arguments (#97276)
2024-09-17 14:00:24 +04:00
phi-undef-loadstore.ll
…
PhiBlockMerge2.ll
…
PhiBlockMerge.ll
…
PhiEliminate2.ll
…
PhiEliminate3.ll
…
PhiEliminate.ll
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PHINode.ll
…
PhiNoEliminate.ll
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poison-merge.ll
[SimplifyCFG] Regenerate test checks (NFC)
2024-06-05 17:06:25 +02:00
pr33605.ll
…
pr34131.ll
[llvm] Remove br i1 undef from some regression tests [NFC] (#118419)
2024-12-03 20:54:36 +00:00
pr35774.ll
[SimplifyCFG] Regenerate test checks (NFC)
2024-06-05 17:06:25 +02:00
pr39807.ll
…
pr46638.ll
…
pr48641.ll
…
pr48778-sdiv-speculation.ll
…
pr50060-constantfold-loopid.ll
[IR] Remove size argument from lifetime intrinsics (#150248)
2025-08-08 11:09:34 +02:00
pr52290.ll
…
pr55765.ll
…
PR9946.ll
…
PR25267.ll
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PR27615-simplify-cond-br.ll
[RemoveDIs] Remove "try-debuginfo-iterators..." test flags (#130298)
2025-03-14 15:50:49 +00:00
preserve-branchweights-partial.ll
…
preserve-branchweights-switch-create.ll
[SimplifyCFG] Regenerate test checks (NFC)
2024-06-05 17:06:25 +02:00
preserve-branchweights.ll
[IR][PGO] Verify invalid MD_prof metadata on instructions (#145576)
2025-06-25 13:10:43 -07:00
preserve-llvm-loop-metadata.ll
Only guard loop metadata that has non-debug info in it (#118825)
2024-12-20 15:15:51 +01:00
preserve-load-metadata-2.ll
…
preserve-load-metadata-3.ll
…
preserve-load-metadata.ll
[SimplifyCFG] Add test for updating llvm.access.group when hoisting.
2024-11-12 13:14:30 +00:00
preserve-make-implicit-on-switch-to-br.ll
…
preserve-store-alignment.ll
[LLVM][IR] Use splat syntax when printing Constant[Data]Vector. (#112548)
2024-11-06 11:53:33 +00:00
preserving-debugloc-br.ll
[DebugInfo][SimplifyCFGPass] Fix the missing debug location update for the new br instruction (#97389)
2024-07-05 14:10:04 +08:00
rangereduce.ll
[SimplifyCfg] Add nneg to zext for switch to table conversion (#147180)
2025-08-04 16:18:05 +02:00
return-merge.ll
[RemoveDIs] Remove "try-debuginfo-iterators..." test flags (#130298)
2025-03-14 15:50:49 +00:00
safe-abs.ll
…
seh-nounwind.ll
…
select-gep.ll
[SimplifyCFG] Regenerate test checks (NFC)
2024-06-05 17:06:25 +02:00
signbit-like-value-extension.ll
…
SimplifyEqualityComparisonWithOnlyPredecessor-domtree-preservation-edgecase.ll
[SimplifyCFG] Regenerate test checks (NFC)
2024-06-05 17:06:25 +02:00
SimplifyTerminatorOnSelect-domtree-preservation-edgecase.ll
…
simplifyUnreachable-degenerate-conditional-branch-with-matching-destinations.ll
…
sink-and-convert-switch.ll
[IR] Remove size argument from lifetime intrinsics (#150248)
2025-08-08 11:09:34 +02:00
sink-cb-diff-attrs.ll
[SimplifyCFG][Attributes] Enabling sinking calls with differing number of attrsets
2024-10-02 15:15:07 -05:00
sink-inf-loop.ll
…
speculate-blocks.ll
…
speculate-call.ll
…
speculate-dbgvalue.ll
[RemoveDIs] Remove "try-debuginfo-iterators..." test flags (#130298)
2025-03-14 15:50:49 +00:00
speculate-derefable-load.ll
[AssumeBundles] Dereferenceable used in bundle only applies at assume. (#126117)
2025-02-13 20:41:23 +01:00
speculate-math.ll
[SimplifyCFG] Regenerate test checks (NFC)
2024-06-05 17:06:25 +02:00
speculate-store-opaque-pointer.ll
…
speculate-store.ll
[SimplifyCFG] Only consider provenance capture in store speculation (#138548)
2025-05-22 17:01:37 +02:00
speculate-vector-insert-extract.ll
…
speculate-vector-ops-inseltpoison.ll
…
speculate-vector-ops.ll
…
speculate-with-offset.ll
…
speculatively-execute-block-profmd.ll
[SimplifyCFG] Regenerate test checks (NFC)
2024-06-05 17:06:25 +02:00
statepoint-invoke-unwind.ll
…
suppress-zero-branch-weights.ll
[SimplifyCFG] Regenerate test checks (NFC)
2024-06-05 17:06:25 +02:00
switch_create-custom-dl.ll
[SimplifyCFG] Regenerate test checks (NFC)
2024-06-05 17:06:25 +02:00
switch_create.ll
[SimplifyCFG] Support trunc nuw in chain of comparisons. (#155087)
2025-08-31 10:14:28 +02:00
switch_mask.ll
[SimplifyCfg] Add nneg to zext for switch to table conversion (#147180)
2025-08-04 16:18:05 +02:00
switch_msan.ll
[SimplifyCFG] Regenerate test checks (NFC)
2024-06-05 17:06:25 +02:00
switch_switch_fold.ll
[SimplifyCFG] Regenerate test checks (NFC)
2024-06-05 17:06:25 +02:00
switch_thread.ll
[SimplifyCFG] Regenerate test checks (NFC)
2024-06-05 17:06:25 +02:00
switch_ub.ll
[SimplifyCFG] Regenerate test checks (NFC)
2024-06-05 17:06:25 +02:00
switch_undef.ll
…
switch-branch-fold-indirectbr-102351.ll
[ValueTracking] Handle recursive select/PHI in ComputeKnownBits (#114689)
2025-01-22 11:51:18 -06:00
switch-dead-default-lookup-table.ll
[SimplifyCFG] Use indexType from data layout in switch to table conversion (#146207)
2025-06-28 21:00:34 +02:00
switch-dead-default.ll
Reland "[SimplifyCFG] switch: Do Not Transform the Default Case if the Condition is Too Wide (#77831)"
2024-05-25 10:38:44 +08:00
switch-dup-bbs.ll
[SimplifyCFG] Cache unique predecessors in simplifyDuplicateSwitchArms
2025-07-18 08:33:42 +02:00
switch-masked-bits.ll
[SimplifyCFG] Regenerate test checks (NFC)
2024-06-05 17:06:25 +02:00
switch-on-cmp.ll
[SimplifyCFG] Fold switch over ucmp/scmp to icmp and br (#105636)
2024-08-22 16:57:09 +02:00
switch-on-const-select.ll
…
switch-profmd.ll
…
switch-range-to-icmp.ll
[SimplifyCFG] Cache unique predecessors in simplifyDuplicateSwitchArms
2025-07-18 08:33:42 +02:00
switch-simplify-crash2.ll
…
switch-simplify-crash.ll
…
switch-to-br.ll
…
switch-to-icmp.ll
…
switch-to-select-multiple-edge-per-block-phi.ll
…
switch-to-select-two-case.ll
[SimplifyCFG] Transform switch to select when common bits uniquely identify one case (#145233)
2025-07-02 18:16:12 +02:00
switchToSelect-domtree-preservation-edgecase.ll
…
tail-merge-assert.ll
…
tail-merge-noreturn.ll
[IR] Remove size argument from lifetime intrinsics (#150248)
2025-08-08 11:09:34 +02:00
tail-merge-resume.ll
[SimplifyCFG] Regenerate test checks (NFC)
2024-06-05 17:06:25 +02:00
tautological-conditional-branch.ll
…
token_like_type.ll
[DirectX] Make dx.RawBuffer an op that can't be replaced (#154620)
2025-08-29 16:09:03 -04:00
trap-debugloc.ll
…
trap-no-null-opt-debugloc.ll
…
trapping-load-unreachable.ll
…
two-entry-phi-fold-crash.ll
…
two-entry-phi-node.ll
…
two-entry-phi-return.ll
[SimplifyCFG] Avoid threading for loop headers (#151142)
2025-08-18 09:46:55 +00:00
UncondBranchToHeader.ll
…
UncondBranchToReturn.ll
…
undef_phi.ll
…
unprofitable-pr.ll
…
unreachable_assume.ll
…
unreachable-cleanuppad.ll
…
unreachable-eliminate-on-ret.ll
Reland "[SimplifyCFG] Improve the precision of PtrValueMayBeModified"
2024-01-25 06:42:14 +08:00
unreachable-matching-successor.ll
…
unreachable-selfloop.ll
…
UnreachableEliminate.ll
[SimplifyCFG] Bail out on vector GEPs in passingValueIsAlwaysUndefined (#142526)
2025-06-04 12:37:30 +08:00
unsigned-multiplication-will-overflow.ll
…
volatile-phioper.ll
…
wc-widen-block.ll
…
wineh-unreachable.ll
[SimplifyCFG] Regenerate test checks (NFC)
2024-06-05 17:06:25 +02:00