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llvm-project/llvm/test/Transforms/LoopUnroll
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Florian Hahn f9f68af4b8
[SCEV] Make sure LCSSA is preserved when re-using phi if needed. 
If we insert a new add instruction, it may introduce a new use outside
the loop that contains the phi node we re-use. Use fixupLCSSAFormFor to
fix LCSSA form, if needed.

This fixes a crash reported in
https://github.com/llvm/llvm-project/pull/147824#issuecomment-3124670997.
2025-07-28 16:24:46 +01:00
..
AArch64
[LoopUnroll] Add tests for unrolling loops with reductions.
2025-07-18 07:39:28 +01:00
AMDGPU
AMDGPU: Fix runtime unrolling when cascaded GEPs present (#147700)
2025-07-10 03:44:04 -05:00
ARM
[ARM] Reduce loop unroll when low overhead branching is available (#120065)
2024-12-18 10:10:51 +00:00
Hexagon
[SCEV] Make sure LCSSA is preserved when re-using phi if needed.
2025-07-28 16:24:46 +01:00
PowerPC
[PowerPC] Pre-commit tests for PR130742. NFC. (#135606)
2025-04-17 17:52:49 +08:00
RISCV
[LoopUnroll] Consider simplified operands while retrieving TTI instruction cost (#70929)
2024-02-06 17:01:38 +03:00
WebAssembly
[InstCombine] Infer nusw + nneg -> nuw for getelementptr (#111144)
2024-12-05 14:36:40 +01:00
X86
[RemoveDIs] Remove "try-debuginfo-iterators..." test flags (#130298)
2025-03-14 15:50:49 +00:00
2004-05-13-DontUnrollTooMuch.ll
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2005-03-06-BadLoopInfoUpdate.ll
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2006-08-24-MultiBlockLoop.ll
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2007-04-16-PhiUpdate.ll
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2007-05-05-UnrollMiscomp.ll
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2007-05-09-UnknownTripCount.ll
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2007-11-05-Crash.ll
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2011-08-08-PhiUpdate.ll
[llvm] Remove br i1 undef from some regression tests [NFC] (#117112)
2024-11-21 08:06:56 +00:00
2011-08-09-IVSimplify.ll
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2011-08-09-PhiUpdate.ll
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2011-10-01-NoopTrunc.ll
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2012-04-09-unroll-indirectbr.ll
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add-folding-overflow.ll
[LoopUnroll] Fold add chains during unrolling
2023-07-05 09:54:28 +02:00
assume-timeout.ll
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basic.ll
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callbr.ll
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complete_unroll_profitability_with_assume.ll
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convergent.controlled.ll
[LoopUnroll] Consider convergence control tokens when unrolling (#91715)
2024-06-06 13:13:46 +05:30
convergent.ll
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dce.ll
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debug-info.ll
[RemoveDIs] Remove "try-debuginfo-iterators..." test flags (#130298)
2025-03-14 15:50:49 +00:00
disable_nonforced_count.ll
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disable_nonforced_enable.ll
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disable_nonforced_full.ll
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disable_nonforced.ll
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disable-full-unroll-by-opt.ll
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disable-loop-unrolling_forced.ll
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ephemeral.ll
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epilog_const_phi.ll
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followup.ll
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full-unroll-avoid-partial.ll
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full-unroll-bad-cost.ll
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full-unroll-crashers.ll
[llvm] Remove br i1 undef from some regression tests [NFC] (#117112)
2024-11-21 08:06:56 +00:00
full-unroll-heuristics-2.ll
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full-unroll-heuristics-cmp.ll
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full-unroll-heuristics-dce.ll
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full-unroll-heuristics-geps.ll
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full-unroll-heuristics-load-const.ll
[LoopUnrollAnalyzer] Use constant folding API for loads
2024-08-28 11:53:25 +02:00
full-unroll-heuristics-phi-prop.ll
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full-unroll-heuristics.ll
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full-unroll-invariant.ll
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full-unroll-keep-first-exit.ll
[LoopUnroll] Fold add chains during unrolling
2023-07-05 09:54:28 +02:00
full-unroll-one-unpredictable-exit.ll
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FullUnroll.ll
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gh-issue77118-broken-lcssa-form.ll
[SimplifyIndVar] LCSSA form is destroyed by simplifyLoopIVs, preserve it (#78696)
2024-02-21 17:51:56 +05:30
guard-cost-for-unrolling.ll
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high-cost-trip-count-computation.ll
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ignore-annotation-intrinsic-cost.ll
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invalidate_right_loop.ll
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loop-block-disposition-after-full-unroll.ll
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loop-block-disposition-after-loop-peeling.ll
[LoopPeel] Clear dispositions after peeling
2023-07-19 10:39:59 +02:00
loop-branch-folding.ll
[LoopUnroll] Make use of MaxTripCount for loops with "#pragma unroll" (#74703)
2023-12-08 19:43:10 +08:00
loop-remarks-with-hotness.ll
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loop-remarks.ll
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multiple-exits.ll
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noalias.ll
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nonlatchcondbr.ll
[LoopUnroll] Fold add chains during unrolling
2023-07-05 09:54:28 +02:00
not-rotated.ll
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opt-levels.ll
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optsize-loop-size.ll
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partial-unroll-const-bounds.ll
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partial-unroll-dead-instructions.ll
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partial-unroll-non-latch-exit.ll
[LoopUnroll] Fold add chains during unrolling
2023-07-05 09:54:28 +02:00
partial-unroll-reductions.ll
[LoopUnroll] Add tests for unrolling loops with reductions.
2025-07-18 07:39:28 +01:00
partially-unroll-unconditional-latch.ll
[LoopUnroll] Fold add chains during unrolling
2023-07-05 09:54:28 +02:00
peel-branch-weights.ll
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peel-last-iteration-debug.ll
[LoopPeel] Add peeling tests with debug value and pointer inductions
2025-05-28 10:07:02 +01:00
peel-last-iteration-expansion-cost.ll
Reapply "[LoopPeel] Remove known trip count restriction when peeling last. (#140792)"
2025-05-28 13:02:03 +01:00
peel-last-iteration-minmax.ll
[LoopPeel] Support last iteration peeling of min/max intrinsics (#143598)
2025-06-17 11:22:23 -07:00
peel-last-iteration-multi-exit.ll
[LoopPeel] Add tests for peeling last iteration with multiple exits.
2025-05-23 15:46:34 +01:00
peel-last-iteration-pointer-inductions.ll
[LoopPeel] Add peeling tests with debug value and pointer inductions
2025-05-28 10:07:02 +01:00
peel-last-iteration-with-constant-trip-count.ll
Reapply "[LoopPeel] Remove known trip count restriction when peeling last. (#140792)"
2025-05-28 13:02:03 +01:00
peel-last-iteration-with-guards.ll
[LoopPeel] Use loop guards when checking if last iter can be peeled. (#142605)
2025-06-10 08:29:42 +01:00
peel-last-iteration-with-variable-trip-count.ll
[LoopPeel] Add test coverage for edge case for peel last
2025-06-10 11:46:06 -07:00
peel-loop2.ll
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peel-loop-and-unroll.ll
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peel-loop-conditions-pgo-1.ll
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peel-loop-conditions-pgo-2.ll
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peel-loop-conditions.ll
[Transforms] Convert tests to opaque pointers (NFC)
2024-02-05 11:57:34 +01:00
peel-loop-inner.ll
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peel-loop-irreducible.ll
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peel-loop-min-max-intrinsics.ll
[LoopPeel] Support min/max intrinsics in loop peeling (#93162)
2024-05-31 13:58:10 +03:00
peel-loop-negative.ll
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peel-loop-nests.ll
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peel-loop-noalias-scope-decl.ll
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peel-loop-not-forced.ll
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peel-loop-pgo-deopt-idom-2.ll
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peel-loop-pgo-deopt-idom.ll
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peel-loop-pgo-deopt.ll
[LoopPeeling] Fix weights updating of peeled off branches (#70094)
2023-10-31 14:02:42 +01:00
peel-loop-pgo.ll
[LoopPeeling] Fix weights updating of peeled off branches (#70094)
2023-10-31 14:02:42 +01:00
peel-loop-phi-analysis.ll
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peel-loop-scev-invalidate-with-overflow-inst.ll
[SCEV] forgetValue: support (with-overflow-inst op0, op1) (#98015)
2024-07-09 09:14:33 +02:00
peel-loop-scev-invalidate.ll
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peel-loop.ll
[InstCombine] Move gep of phi fold into separate function
2024-12-05 15:20:56 +01:00
peel-multiple-unreachable-exits.ll
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peel-to-turn-invariant-accesses-dereferenceable.ll
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pr10813.ll
[llvm] Remove br i1 undef from some regression tests [NFC] (#117112)
2024-11-21 08:06:56 +00:00
pr11361.ll
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pr14167.ll
[llvm] Remove br i1 undef from some regression tests [NFC] (#117112)
2024-11-21 08:06:56 +00:00
pr18861.ll
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pr27157.ll
[llvm] Remove br i1 undef from some regression tests [NFC] (#117112)
2024-11-21 08:06:56 +00:00
pr28132.ll
[llvm] Remove br i1 undef from some regression tests [NFC] (#117112)
2024-11-21 08:06:56 +00:00
pr31718.ll
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pr33437.ll
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pr45939-peel-count-and-complete-unroll.ll
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pr77842.ll
[LoopUnroll] Introduce PragmaUnrollFullMaxIterations as a hard cap on how many iterations we try to unroll (#78648)
2024-02-05 17:01:00 -08:00
pr109333.ll
[LoopPeel] Fix LCSSA phi node invalidation
2024-09-20 17:01:41 +02:00
pr114879.ll
[SCEV] Disallow simplifying phi(undef, X) to X (#115109)
2024-11-07 15:53:51 +08:00
pr131465.ll
[SCEV] Check whether the start is non-zero in ScalarEvolution::howFarToZero (#131522)
2025-03-17 13:59:16 +08:00
preserve-branch-debuglocs.ll
[DebugInfo][LoopUnroll] Preserve DebugLocs on optimized cond branches (#114225)
2024-11-08 16:52:30 +00:00
rebuild_lcssa.ll
[llvm] Remove br i1 undef from some regression tests [NFC] (#117112)
2024-11-21 08:06:56 +00:00
revert-D110922.ll
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revisit.ll
[StandardInstrumentation] Annotate loops with the function name (#90756)
2024-05-03 14:13:59 -04:00
runtime-epilog-debuginfo.ll
[RemoveDIs] Remove "try-debuginfo-iterators..." test flags (#130298)
2025-03-14 15:50:49 +00:00
runtime-exit-phi-scev-invalidation.ll
[LoopUnroll] Use poison instead of undef for another preheader value
2024-06-25 12:17:20 +02:00
runtime-i128.ll
[LoopUnroll] Fix missing sign extension
2024-02-01 16:08:25 +01:00
runtime-li.ll
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runtime-loop1.ll
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runtime-loop2.ll
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runtime-loop3.ll
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runtime-loop4.ll
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runtime-loop5.ll
[LoopUnroll] Use poison instead of undef for preheader value
2024-06-25 12:09:58 +02:00
runtime-loop-at-most-two-exits.ll
[LoopUnroll] Use poison instead of undef for preheader value
2024-06-25 12:09:58 +02:00
runtime-loop-branchweight.ll
LoopUnrollRuntime: Add weights to all branches
2023-09-11 14:23:29 -07:00
runtime-loop-known-exit.ll
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runtime-loop-multiexit-dom-verify.ll
[LoopUnroll] Fold add chains during unrolling
2023-07-05 09:54:28 +02:00
runtime-loop-multiple-exits.ll
[llvm] Remove br i1 undef from some regression tests [NFC] (#117112)
2024-11-21 08:06:56 +00:00
runtime-loop-non-exiting-latch.ll
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runtime-loop.ll
LoopUnrollRuntime: Add weights to all branches
2023-09-11 14:23:29 -07:00
runtime-multiexit-heuristic.ll
[InstCombine] Handle "add like" in ADD+GEP->GEP+GEP rewrites (#135156)
2025-04-14 17:11:13 +02:00
runtime-small-upperbound.ll
[LoopUnroll] Fold add chains during unrolling
2023-07-05 09:54:28 +02:00
runtime-unroll-assume-no-remainder.ll
[LoopUnroll] Fold add chains during unrolling
2023-07-05 09:54:28 +02:00
runtime-unroll-reductions.ll
[LoopUnroll] Add tests for unrolling loops with reductions.
2025-07-18 07:39:28 +01:00
runtime-unroll-remainder.ll
[InstCombine] Infer nusw + nneg -> nuw for getelementptr (#111144)
2024-12-05 14:36:40 +01:00
scev-dispositions-type-not-scevable.ll
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scev-forget-exit-phis.ll
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scev-invalidation-lcssa.ll
[LoopUnroll] Fold add chains during unrolling
2023-07-05 09:54:28 +02:00
scevunroll.ll
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shifted-tripcount.ll
[LoopUnroll] Add CSE to remove redundant loads after unrolling. (#83860)
2024-05-02 11:01:24 +01:00
tripcount-overflow.ll
[LoopUnroll] Use poison instead of undef for another preheader value
2024-06-25 12:17:20 +02:00
unloop.ll
[llvm] Remove br i1 undef from some regression tests [NFC] (#117112)
2024-11-21 08:06:56 +00:00
unroll-after-peel.ll
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unroll-and-peel-last-iteration.ll
[LoopPeel] Handle non-local instructions/arguments when updating exiting values (#142993)
2025-06-06 12:56:28 +08:00
unroll-cleanup.ll
[IndVarsSimplify] sinkUnusedInvariants is skipping instructions while sinking. (#135205)
2025-04-17 19:21:18 -05:00
unroll-cleanuppad.ll
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unroll-cost-symbolic-execute.ll
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unroll-count.ll
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unroll-header-exiting-with-phis-multiple-exiting-blocks.ll
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unroll-header-exiting-with-phis.ll
[LoopUnroll] Fold add chains during unrolling
2023-07-05 09:54:28 +02:00
unroll-heuristics-pgo.ll
LoopUnrollRuntime: Add weights to all branches
2023-09-11 14:23:29 -07:00
unroll-loads-cse.ll
[LoopUnroll] Add CSE to remove redundant loads after unrolling. (#83860)
2024-05-02 11:01:24 +01:00
unroll-loop-invalidation.ll
update_analyze_test_checks: support output from LAA (#67584)
2023-10-31 14:33:53 +00:00
unroll-maxcount.ll
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unroll-opt-attribute.ll
[LoopUnroll] Fold add chains during unrolling
2023-07-05 09:54:28 +02:00
unroll-pragmas-disabled.ll
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unroll-pragmas.ll
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unroll-preserve-scev-lcssa.ll
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unroll-remove-redundant-dbg.ll
[RemoveDIs] Print IR with debug records by default (#91724)
2024-06-14 15:07:27 +01:00
unroll-unconditional-latch.ll
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update-loop-info-in-subloops.ll
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verify-dominators.ll
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wrong_assert_in_peeling.ll
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