llvm-project
[AArch64] Cap upper-bound unrolling of loops with uncomputable trip counts
#205102

Merged

[AArch64] Cap upper-bound unrolling of loops with uncomputable trip counts #205102

igogo-x86 merged 7 commits into llvm:main from igogo-x86:loop-unroll-upperbound-early-exits

igogo-x86 requested a review from

davemgreen 133 days ago

igogo-x86 requested a review from

justinfargnoli 133 days ago

llvmorg-github-actions added backend:AArch64

llvmorg-github-actions added llvm:analysis

llvmorg-github-actions added llvm:transforms

justinfargnoli requested a review from

fhahn 133 days ago

justinfargnoli commented on 2026-06-22

igogo-x86 force pushed from d607f965 to 94a0b646 122 days ago

igogo-x86 changed the title ~~[LoopUnroll][AArch64] Add separate upper-bound limit for loops with early exits~~ [LoopUnroll][AArch64] Add separate upper-bound limit for loops with unknown exact trip count 122 days ago

justinfargnoli commented on 2026-07-06

igogo-x86 force pushed from 94a0b646 to 975eacc7 118 days ago

igogo-x86 changed the title ~~[LoopUnroll][AArch64] Add separate upper-bound limit for loops with unknown exact trip count~~ [AArch64] Cap upper-bound unrolling of loops with uncomputable trip counts 118 days ago

justinfargnoli approved these changes on 2026-07-08

davemgreen approved these changes on 2026-07-10

fhahn commented on 2026-07-19

igogo-x86 force pushed from 975eacc7 to 8e05eb22 94 days ago

igogo-x86 force pushed from 8e05eb22 to c6fcba83 88 days ago

david-arm commented on 2026-08-06

[LoopUnroll][AArch64] Add separate upper-bound limit for loops with e…

711edbed

Rework into an opt-in unknown-exact-trip-count limit

732397e0

Rework as a target-local AArch64 limit

ce6e99c5

Address comments, update tests

c367b73b

Rebase on top of 208500

48a8152f

Address comments

dee6c397

igogo-x86 force pushed from c6fcba83 to dee6c397 88 days ago

david-arm approved these changes on 2026-08-06

Update test lines

446e3110

igogo-x86 merged 2dc53f79 into main 87 days ago

igogo-x86 deleted the loop-unroll-upperbound-early-exits branch 87 days ago

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davemgreen

justinfargnoli

fhahn

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llvm-project [AArch64] Cap upper-bound unrolling of loops with uncomputable trip counts #205102 Merged

[AArch64] Cap upper-bound unrolling of loops with uncomputable trip counts #205102

llvm-project
[AArch64] Cap upper-bound unrolling of loops with uncomputable trip counts
#205102

Merged