Florian Hahn fde947fd58 [VPlan] Split legalizeAndOptimizeIVs in 2 phases. (#217765) ...

Split the transform into 2 phases:

1. narrow all users of all IVs
2. replace wide IVs if all users are scalar.

Together with removing the old, wide recipes, this allows us to catch
slightly more cases.

PR: https://github.com/llvm/llvm-project/pull/217765

(cherry picked from commit 932f5d22df7775f7cb65befd62053c0e93448959)
(cherry picked from commit a3ac001f673a87a014ecd6bf7ca11cc8b1cb576d)

2026-10-23 06:45:47 +00:00

..

AArch64

[VPlan] Add additional memory decision tests. (NFC) (#207537)

2026-07-04 21:19:52 +00:00

PowerPC

[VPlan] Only print original trip count if it is used. (#202069)

2026-06-06 21:25:48 +02:00

RISCV

[VPlan] Use VPSCEVExpander in convertToStridedAccesses (#208939)

2026-07-14 07:23:26 +00:00

X86

[VPlan] Model initial header mask as region value. (#196199)

2026-07-08 22:38:11 +01:00

buildvector-first-lane-only.ll

[VPlan] Model initial header mask as region value. (#196199)

2026-07-08 22:38:11 +01:00

conditional-scalar-assignment-vplan.ll

[VPlan] Model initial header mask as region value. (#196199)

2026-07-08 22:38:11 +01:00

constant-fold.ll

[VPlan] Support VPInstruction for intrinsic calls in live-in folding. (#207836)

2026-07-07 14:43:42 +00:00

dissolve-replicate-regions.ll

[LAA] Use (Diff - 1) <u (Threshold - 1) for diff checks. (#188462)

2026-07-03 22:11:26 +01:00

early_exit_with_stores_vplan.ll

[LV] Tests for combined exit conditions (#205104)

2026-07-06 11:46:17 +01:00

expand-scev.ll

[VPlan] Expand SCEV min/max via scalar intrinsic VPInstructions. (#207842)

2026-07-13 11:39:35 +01:00

find-last.ll

[VPlan] Print RecurKind when dumping VPReductionPHI (#190114)

2026-05-18 12:38:20 +01:00

first-order-recurrence-chains-vplan.ll

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first-order-recurrence-sink-replicate-region.ll

[VPlan] Model initial header mask as region value. (#196199)

2026-07-08 22:38:11 +01:00

for-phi-ordering.ll

[VPlan] Create header phi recipes after initial scalar optimizations. (#200920)

2026-06-10 21:54:02 +02:00

icmp-uniforms.ll

[VPlan] Only print original trip count if it is used. (#202069)

2026-06-06 21:25:48 +02:00

interleave-and-scalarize-only.ll

[VPlan] Strip early-bail in noalias-check (#203936)

2026-07-02 22:00:55 +00:00

interleave-conditional-scalar-assignment-vplan.ll

[VPlan] Transfer nuw from CanIV -> WideCanIV (#198802)

2026-05-21 17:39:20 -04:00

lit.local.cfg

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phi-with-fastflags-vplan.ll

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predicator.ll

[VPlan] Insert VPBlendRecipes in post order. NFC (#201782)

2026-06-10 08:26:01 +00:00

print-attributes.ll

[LV] Add call widening tests with various attributes. (NFC) (#206549)

2026-06-29 20:22:05 +01:00

scalarize-irregular-type-memops.ll

[VPlan] Split makeMemOpWideningDecisions into subpasses (#182593)

2026-06-18 21:31:49 +00:00

simplify-reverse-reverse.ll

[VPlan] Simplify reverse(reverse(x)) -> x (#199057)

2026-06-16 14:29:36 +08:00

tail-folding.ll

[VPlan] Model initial header mask as region value. (#196199)

2026-07-08 22:38:11 +01:00

uncountable-early-exit-vplan.ll

[VPlan] Fold canonical IV recipe creation into createLoopRegion. (#198383)

2026-05-26 08:12:35 +00:00

vplan_hcfg_stress_test.ll

[VPlan] Unify inner and outer loop paths (NFCI). (#192868)

2026-05-08 21:36:42 +02:00

vplan-dot-printing.ll

[LV] Convert gather loads with constant stride into strided loads (#147297)

2026-05-21 17:44:09 +08:00

vplan-force-tail-with-evl.ll

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vplan-iv-transforms.ll

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vplan-narrow-iv-users.ll

[VPlan] Split legalizeAndOptimizeIVs in 2 phases. (#217765)

2026-10-23 06:45:47 +00:00

vplan-predicate-switch.ll

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vplan-print-before-after-all.ll

[VPlan] Model initial header mask as region value. (#196199)

2026-07-08 22:38:11 +01:00

vplan-printing-alias-mask.ll

[VPlan] Model initial header mask as region value. (#196199)

2026-07-08 22:38:11 +01:00

vplan-printing-before-execute.ll

[VPlan] Only print original trip count if it is used. (#202069)

2026-06-06 21:25:48 +02:00

vplan-printing-branch-weights.ll

[LV] Extend test coverage with branch probabilities (NFC). (#209182)

2026-07-13 15:38:46 +01:00

vplan-printing-flags.ll

[VPlan] Only print original trip count if it is used. (#202069)

2026-06-06 21:25:48 +02:00

vplan-printing-metadata.ll

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vplan-printing-outer-loop.ll

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vplan-printing-reductions-tail-folded.ll

[VPlan] Model initial header mask as region value. (#196199)

2026-07-08 22:38:11 +01:00

vplan-printing-reductions.ll

[VPlan] Strip early-bail in noalias-check (#203936)

2026-07-02 22:00:55 +00:00

vplan-printing.ll

[VPlan] Simplify WidenGEP::execute (#193543)

2026-06-10 11:14:21 +00:00

vplan-sink-scalars-and-merge-vf1.ll

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vplan-sink-scalars-and-merge.ll

[VPlan] Model initial header mask as region value. (#196199)

2026-07-08 22:38:11 +01:00

vplan-stress-test-no-explict-vf.ll

[VPlan] Unify inner and outer loop paths (NFCI). (#192868)

2026-05-08 21:36:42 +02:00

vplan-unused-interleave-group.ll

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vplan-widen-struct-return.ll

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widen_mem_idioms.ll

[VPlan] Split makeMemOpWideningDecisions into subpasses (#182593)

2026-06-18 21:31:49 +00:00

widen-canonical-iv-register-pressure.ll

[VPlan] Transfer nuw from CanIV -> WideCanIV (#198802)

2026-05-21 17:39:20 -04:00