John Jiang 4c9eaddaef 8364597: Replace THL A29 Limited with Tencent ...

Reviewed-by: jiefu

2025-08-08 02:27:30 +00:00

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parallel_iv

8328528: C2 should optimize long-typed parallel iv in an int counted loop

2024-10-21 14:57:31 +00:00

superword

8354244: Use random data in MinMaxRed_Long data arrays

2025-08-04 13:51:14 +00:00

BadPredicateAfterPartialPeel.java

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ConstFPVectorization.java

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CountedLoopPeelingProfilePredicates.java

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CountedLoopProblem.java

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FillArrayWithUnsafe.java

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InfiniteLoopBadControlNeverBranch.java

8335709: C2: assert(!loop->is_member(get_loop(useblock))) failed: must be outside loop

2024-07-19 07:30:23 +00:00

InvariantCodeMotionReassociateAddSub.java

8323220: Reassociate loop invariants involved in Cmps and Add/Subs

2024-04-15 15:54:34 +00:00

InvariantCodeMotionReassociateCmp.java

8323220: Reassociate loop invariants involved in Cmps and Add/Subs

2024-04-15 15:54:34 +00:00

IterationSplitPredicateInconsistency.java

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LoadVectorFromStableArray.java

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LongCountedLoopInInfiniteLoop.jasm

8338100: C2: assert(!n_loop->is_member(get_loop(lca))) failed: control must not be back in the loop

2024-09-05 15:51:27 +00:00

LoopReductionHasControlOrBadInput.java

8357816: Add test from JDK-8350576

2025-06-16 07:29:06 +00:00

LoopRotateBadNodeBudget.java

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LoopUnrollBadNodeBudget.java

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LoopUnswitchingBadNodeBudget.java

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MalformedControlIrreducibleLoop.jasm

8307927: C2: "malformed control flow" with irreducible loop

2023-06-29 07:43:46 +00:00

MoveStoreAfterInfiniteLoop.jasm

8338100: C2: assert(!n_loop->is_member(get_loop(lca))) failed: control must not be back in the loop

2024-09-05 15:51:27 +00:00

PartialPeelingUnswitch.java

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PeelingAndLoopStripMining.java

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PeelingZeroTripCount.java

8027711: Unify wildcarding syntax for CompileCommand and CompileOnly

2023-06-12 07:39:23 +00:00

SplitIfSharedFastLockBehindCastPP.java

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StoreMovedBeforeInfiniteLoop.java

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StrangeControl.jasm

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Test6659207.java

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Test6855164.java

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Test6860469.java

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Test7044738.java

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Test7052494.java

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Test8210392.java

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Test8211698.java

8027711: Unify wildcarding syntax for CompileCommand and CompileOnly

2023-06-12 07:39:23 +00:00

TestAddPChainWithDifferentBase.java

8027711: Unify wildcarding syntax for CompileCommand and CompileOnly

2023-06-12 07:39:23 +00:00

TestArrayFillAntiDependence.java

8351468: C2: array fill optimization assigns wrong type to intrinsic call

2025-03-24 11:05:46 +00:00

TestArrayFillIntrinsic.java

8351468: C2: array fill optimization assigns wrong type to intrinsic call

2025-03-24 11:05:46 +00:00

TestArraysFillDeadControl.java

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TestAssertPredicatePeeling.java

8309902: C2: assert(false) failed: Bad graph detected in build_loop_late after JDK-8305189

2023-06-29 15:05:49 +00:00

TestBackedgeLoadArrayFill.jasm

8299179: ArrayFill with store on backedge needs to reduce length by 1

2023-01-12 07:23:19 +00:00

TestBackedgeLoadArrayFillMain.java

8311964: Some jtreg tests failing on x86 with error 'unrecognized VM options' (C2 flags)

2023-09-06 11:36:13 +00:00

TestBadControlAfterPreMainPost.java

8315920: C2: "control input must dominate current control" assert failure

2023-09-26 14:32:54 +00:00

TestBadControlLoopLimitCheck.java

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TestBadCountedLoopLimit.java

8298353: C2 fails with assert(opaq->outcnt() == 1 && opaq->in(1) == limit) failed

2022-12-09 15:33:09 +00:00

TestBadlyFormedCountedLoop.java

8027711: Unify wildcarding syntax for CompileCommand and CompileOnly

2023-06-12 07:39:23 +00:00

TestBaseCountedEndLoopUnswitchCandidate.java

8325746: Refactor Loop Unswitching code

2024-02-28 07:03:57 +00:00

TestBeautifyLoops_2.java

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TestBeautifyLoops.java

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TestBrokenAntiDependenceWithPhi.java

8027711: Unify wildcarding syntax for CompileCommand and CompileOnly

2023-06-12 07:39:23 +00:00

TestCanonicalLoopEntryOpaqueOrder.java

8269820: C2 PhaseIdealLoop::do_unroll get wrong opaque node

2022-12-07 14:16:50 +00:00

TestCastFFAtPhi.java

8027711: Unify wildcarding syntax for CompileCommand and CompileOnly

2023-06-12 07:39:23 +00:00

TestCastIIMakesMainLoopPhiDead2.java

8027711: Unify wildcarding syntax for CompileCommand and CompileOnly

2023-06-12 07:39:23 +00:00

TestCastIIMakesMainLoopPhiDead.java

8027711: Unify wildcarding syntax for CompileCommand and CompileOnly

2023-06-12 07:39:23 +00:00

TestCastIINoLoopLimitCheck.java

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TestCMoveLimitType.java

8299975: Limit underflow protection CMoveINode in PhaseIdealLoop::do_unroll must also protect type from underflow

2023-01-23 13:10:42 +00:00

TestCMoveWithDeadPhi.java

8302152: Speed up tests with infinite loops, sleep less

2023-02-15 07:35:23 +00:00

TestCMovSplitThruPhi.java

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TestCMovWithOpaque.java

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TestCountedLoopBadIVRange.java

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TestCountedLoopCastIV.java

8357726: Improve C2 to recognize counted loops with multiple casts in trip counter

2025-06-25 01:16:08 +00:00

TestCountedLoopInsideInfiniteLoop.jasm

8308749: C2 failed: regular loops only (counted loop inside infinite loop)

2023-06-12 07:40:58 +00:00

TestCountedLoopInsideInfiniteLoopMain.java

8308749: C2 failed: regular loops only (counted loop inside infinite loop)

2023-06-12 07:40:58 +00:00

TestCountedLoopPhiValue.java

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TestCountedLoopSafepointBackedge.java

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TestCountedLoopZeroIter.java

8027711: Unify wildcarding syntax for CompileCommand and CompileOnly

2023-06-12 07:39:23 +00:00

TestCreateNewIfForPredicateCloning.java

8290850: C2: create_new_if_for_predicate() does not clone pinned phi input nodes resulting in a broken graph

2022-12-08 11:23:42 +00:00

TestDeadBackbranchArrayAccess.java

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TestDeadCountedLoop.java

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TestDeadIrreducibleLoops.jasm

8280126: C2: detect and remove dead irreducible loops

2023-02-08 07:45:09 +00:00

TestDeadIrreducibleLoopsMain.java

8280126: C2: detect and remove dead irreducible loops

2023-02-08 07:45:09 +00:00

TestDeadPostLoopBecausePredicate.java

8027711: Unify wildcarding syntax for CompileCommand and CompileOnly

2023-06-12 07:39:23 +00:00

TestDeepGraphVerifyIterativeGVN.java

8331295: C2: Do not clone address computations that are indirect memory input to at least one load/store

2024-11-20 15:37:43 +00:00

TestDepBetweenLoopAndPredicate.java

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TestDivWithTopDivisor.java

8027711: Unify wildcarding syntax for CompileCommand and CompileOnly

2023-06-12 07:39:23 +00:00

TestDivZeroCheckControl.java

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TestDivZeroDominatedBy.java

8027711: Unify wildcarding syntax for CompileCommand and CompileOnly

2023-06-12 07:39:23 +00:00

TestDivZeroWithSplitIf.java

8027711: Unify wildcarding syntax for CompileCommand and CompileOnly

2023-06-12 07:39:23 +00:00

TestEliminateNullCheckWithSplitIf.java

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TestEmptyLoopMultiplePhis.java

8298118: split-if optimization causes empty loop to temporarily have more than one phi

2023-01-26 07:41:15 +00:00

TestEmptyPreLoopForDifferentMainLoop.java

8327423: C2 remove_main_post_loops: check if main-loop belongs to pre-loop, not just assert

2024-03-14 07:12:16 +00:00

TestIdomAfterLoopUnswitching.java

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TestIfReplacedByMainLoopExit.java

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TestImpossibleIV.java

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TestInfiniteLoopCCP.java

8302152: Speed up tests with infinite loops, sleep less

2023-02-15 07:35:23 +00:00

TestInfiniteLoopNest.java

8302152: Speed up tests with infinite loops, sleep less

2023-02-15 07:35:23 +00:00

TestInfiniteLoopNotInnerMost.java

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TestInfiniteLoopWithUnmergedBackedges.jasm

8296412: Special case infinite loops with unmerged backedges in IdealLoopTree::check_safepts

2022-12-19 12:21:50 +00:00

TestInfiniteLoopWithUnmergedBackedgesMain.java

8311964: Some jtreg tests failing on x86 with error 'unrecognized VM options' (C2 flags)

2023-09-06 11:36:13 +00:00

TestInfLoopNearUsePlacement.java

8302152: Speed up tests with infinite loops, sleep less

2023-02-15 07:35:23 +00:00

TestInlinedSplitFallInIrreducibleLoopStatus.jasm

8303045: Remove RegionNode::LoopStatus::NeverIrreducibleEntry assert with wrong assumption

2023-02-27 07:15:27 +00:00

TestInlinedSplitFallInIrreducibleLoopStatusMain.java

8303045: Remove RegionNode::LoopStatus::NeverIrreducibleEntry assert with wrong assumption

2023-02-27 07:15:27 +00:00

TestIrreducibleLoopWithVNNI.java

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TestIterationSplitWithRegionHead.java

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TestLimitLoadBelowLoopLimitCheck.java

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TestLoadPinnedAfterAllocate.java

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TestLogSum.java

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TestLongCountedLoopInInfiniteLoop.java

8338100: C2: assert(!n_loop->is_member(get_loop(lca))) failed: control must not be back in the loop

2024-09-05 15:51:27 +00:00

TestLoopEndNodeEliminate.java

8364597: Replace THL A29 Limited with Tencent

2025-08-08 02:27:30 +00:00

TestLoopLimitNodeElimination.java

8027711: Unify wildcarding syntax for CompileCommand and CompileOnly

2023-06-12 07:39:23 +00:00

TestLoopLimitOverflowDuringCCP.java

8309266: C2: assert(final_con == (jlong)final_int) failed: final value should be integer

2023-06-20 13:52:45 +00:00

TestLoopLimitOverflowDuringSplitThruPhi.java

8335747: C2: fix overflow case for LoopLimit with constant inputs

2025-01-14 11:55:39 +00:00

TestLoopLimitSubtractionsCollapse.java

8303466: C2: failed: malformed control flow. Limit type made precise with MaxL/MinL

2023-04-26 05:42:26 +00:00

TestLoopPeeling.java

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TestLoopPredicateDep.java

8364597: Replace THL A29 Limited with Tencent

2025-08-08 02:27:30 +00:00

TestLoopPredicationDivZeroCheck.java

8331717: C2: Crash with SIGFPE Because Loop Predication Wrongly Hoists Division Requiring Zero Check

2025-01-10 08:59:31 +00:00

TestLoopUnswitchingLostCastDependency.java

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TestLostDependencyOnZeroTripGuard.java

8027711: Unify wildcarding syntax for CompileCommand and CompileOnly

2023-06-12 07:39:23 +00:00

TestMainBodyExecutedOnce.java

8027711: Unify wildcarding syntax for CompileCommand and CompileOnly

2023-06-12 07:39:23 +00:00

TestMainNeverExecuted.java

8027711: Unify wildcarding syntax for CompileCommand and CompileOnly

2023-06-12 07:39:23 +00:00

TestMalformedControlIrreducibleLoop.java

8307927: C2: "malformed control flow" with irreducible loop

2023-06-29 07:43:46 +00:00

TestMaxLoopOptsCountReached.java

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TestMissedOpaqueInPredicate.java

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TestMissingSkeletonPredicateForIfNode.java

8352866: TestLogJIT.java runs wrong test class

2025-03-25 11:52:54 +00:00

TestMoveStoreAfterInfiniteLoop.java

8338100: C2: assert(!n_loop->is_member(get_loop(lca))) failed: control must not be back in the loop

2024-09-05 15:51:27 +00:00

TestMoveStoreAfterLoopVerifyIterativeGVN.java

8298952: All nodes should have type(n) == Value(n) after IGVN

2023-02-06 08:45:48 +00:00

TestMoveStoresOutOfLoops.java

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TestMoveStoresOutOfLoopsStoreNoCtrl.java

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TestMultipleInfiniteLoops.java

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TestNestedIrreducibleLoops.jasm

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TestNestedIrreducibleLoopsMain.java

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TestNodeSunkFromPreLoop.java

8314024: SIGSEGV in PhaseIdealLoop::build_loop_late_post_work due to bad immediate dominator info

2023-08-30 07:52:05 +00:00

TestNotifyOpaqueZeroTripGuardToCmpI.java

8316361: C2: assert(!failure) failed: Missed optimization opportunity in PhaseIterGVN with -XX:VerifyIterativeGVN=10

2023-10-02 08:03:10 +00:00

TestOneIterationStripMined.java

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TestOnlyInfiniteLoops.jasm

8297642: PhaseIdealLoop::only_has_infinite_loops must detect all loops that never lead to termination

2022-12-08 15:29:26 +00:00

TestOnlyInfiniteLoopsMain.java

8297642: PhaseIdealLoop::only_has_infinite_loops must detect all loops that never lead to termination

2022-12-08 15:29:26 +00:00

TestOpaqueZeroTripGuardPostLoopRemoval.java

8298176: remove OpaqueZeroTripGuardPostLoop once main-loop disappears

2022-12-22 08:56:00 +00:00

TestOptimizeFillWithStripMinedLoop.java

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TestOverUnrolling2.java

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TestOverunrolling.java

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TestPartialPeelAtUnsignedTests.java

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TestPartialPeelAtUnsignedTestsNegativeLimit.java

8332920: C2: Partial Peeling is wrongly applied for CmpU with negative limit

2024-06-11 11:32:12 +00:00

TestPartialPeelingAtSingleInputRegion.java

8331518: Tests should not use the "Classpath" exception form of the legal header

2024-05-02 07:49:12 +00:00

TestPartialPeelingSinkNodes.java

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TestPeelingNeverEnteredLoop.java

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TestPeelingRemoveDominatedTest.java

8305356: Fix ignored bad CompileCommands in tests

2023-04-05 09:35:45 +00:00

TestPeelingSkeletonPredicateInitialization.java

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TestPhaseCFGNeverBranchToGoto.jasm

8296389: C2: PhaseCFG::convert_NeverBranch_to_Goto must handle both orders of successors

2022-12-12 12:11:02 +00:00

TestPhaseCFGNeverBranchToGotoMain.java

8296389: C2: PhaseCFG::convert_NeverBranch_to_Goto must handle both orders of successors

2022-12-12 12:11:02 +00:00

TestPhiInSkeletonPredicateExpression.java

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TestPredicateInputBelowLoopPredicate.java

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TestPredicateLostDependency.java

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TestPreMainPostFallInEdges.java

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TestRangeCheckPredicatesControl.java

8345795: Update copyright year to 2024 for hotspot in files where it was missed

2024-12-10 08:47:46 +00:00

TestRCEAfterUnrolling.java

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TestRemixAddressExpressionsWithIrreducibleLoop.java

8326638: Crash in PhaseIdealLoop::remix_address_expressions due to unexpected Region instead of Loop

2024-02-27 16:58:22 +00:00

TestRemoveEmptyCountedLoop.java

8301959: Compile command in compiler.loopopts.TestRemoveEmptyCountedLoop does not work

2023-02-16 13:51:11 +00:00

TestRemoveEmptyLoop.java

8295005: compiler/loopopts/TestRemoveEmptyLoop.java fails with release VMs after JDK-8294839

2022-10-10 07:06:51 +00:00

TestRemoveMainPostLoops.java

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TestSinkingDivisorLostPin.java

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TestSinkingMoreThan2AddPNodes.java

8315377: C2: assert(u->find_out_with(Op_AddP) == nullptr) failed: more than 2 chained AddP nodes?

2023-09-06 07:25:22 +00:00

TestSinkingNodesCausesLongCompilation.java

8308103: Massive (up to ~30x) increase in C2 compilation time since JDK 17

2023-07-19 11:31:49 +00:00

TestSkeletonPredicateNegation.java

8364597: Replace THL A29 Limited with Tencent

2025-08-08 02:27:30 +00:00

TestSplitIfBlocksDisabled.java

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TestSplitIfNewIrreducibleLoop.java

8348572: C2 compilation asserts due to unexpected irreducible loop

2025-02-05 12:58:43 +00:00

TestSplitIfOpaque1.java

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TestSplitIfPinnedCMove.java

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TestSplitIfPinnedLoadInStripMinedLoop.java

8351568: Improve source code documentation for PhaseCFG::insert_anti_dependences

2025-05-15 12:54:49 +00:00

TestSplitIfUnswitchedLoopsEliminated.java

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TestSplitThruPhiDivMod.java

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TestSplitThruPhiInfinitely.java

8287284: C2: loop optimization performs split_thru_phi infinitely many times

2023-11-15 08:31:39 +00:00

TestStoreSunkInInnerLoop.java

8027711: Unify wildcarding syntax for CompileCommand and CompileOnly

2023-06-12 07:39:23 +00:00

TestStrangeControl.java

8302152: Speed up tests with infinite loops, sleep less

2023-02-15 07:35:23 +00:00

TestStripMinedBackToBackIfs.java

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TestSunkCastOnUnreachablePath.java

8027711: Unify wildcarding syntax for CompileCommand and CompileOnly

2023-06-12 07:39:23 +00:00

TestSunkNodeDueToBrokenAntiDependency.java

8027711: Unify wildcarding syntax for CompileCommand and CompileOnly

2023-06-12 07:39:23 +00:00

TestSunkNodeInInfiniteLoop.java

8336830: C2: assert(get_loop(lca)->_nest < n_loop->_nest || lca->in(0)->is_NeverBranch()) failed: must not be moved into inner loop

2024-08-26 07:31:04 +00:00

TestSunkNodeMissingCastAssert.java

8312440: assert(cast != nullptr) failed: must have added a cast to pin the node

2023-07-27 07:24:46 +00:00

TestUndetectedLoopInInfiniteLoop.java

8296318: use-def assert: special case undetected loops nested in infinite loops

2022-12-14 17:25:49 +00:00

TestUnexpectedOpaque1.java

8298919: Add a regression test for JDK-8298520

2022-12-16 14:39:48 +00:00

TestUnreachableInnerLoop.java

8027711: Unify wildcarding syntax for CompileCommand and CompileOnly

2023-06-12 07:39:23 +00:00

TestUnrollLimitPreciseType.java

8303466: C2: failed: malformed control flow. Limit type made precise with MaxL/MinL

2023-04-26 05:42:26 +00:00

TestUnsupportedConditionalMove.java

8295407: C2 crash: Error: ShouldNotReachHere() in multiple vector tests with -XX:-MonomorphicArrayCheck -XX:-UncommonNullCast

2022-11-17 01:39:56 +00:00

TestUnswitchCloneSkeletonPredicates.java

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TestUnswitchOverunrolling.java

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TestUnswitchPredicateCloning.java

8346552: C2: Add IR tests to check that Predicate cloning in Loop Unswitching works as expected

2025-04-24 08:29:08 +00:00

TestUnswitchWithSunkNodes.java

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TestVerifyLoopOptimizations.java

8305073: Fix VerifyLoopOptimizations - step 2 - verify idom

2023-05-23 11:25:01 +00:00

TestWrongCMovSplitIf.java

8303564: C2: "Bad graph detected in build_loop_late" after a CMove is wrongly split thru phi

2023-03-09 07:59:32 +00:00

TestWrongOffsetConstantArrayConstant.java

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TestZeroTripGuardShared.java

8027711: Unify wildcarding syntax for CompileCommand and CompileOnly

2023-06-12 07:39:23 +00:00

UnrollWideLoopHitsTooStrictAssert.java

8356647: C2: Excessively strict assert in PhaseIdealLoop::do_unroll

2025-05-28 13:26:15 +00:00

UseCountedLoopSafepoints.java

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UseCountedLoopSafepointsTest.java

8345795: Update copyright year to 2024 for hotspot in files where it was missed

2024-12-10 08:47:46 +00:00

VerifyGraphEdgesWithDeadCodeCheckFromSafepoints.java

8352591: Missing UnlockDiagnosticVMOptions in VerifyGraphEdgesWithDeadCodeCheckFromSafepoints test

2025-03-24 07:24:07 +00:00