[llvm] [VPlan] Migrate convertToStridedAccesses to VPSCEVExpander (PR #208939)

[via llvm-commits]

github-actions[bot] wrote:

test-suite diff from 3f80df8698145f0188f305b748e60e70bf942d3d...8e20d778fab8fac3bfebfb3c67f7ba3a0a74f628: https://github.com/llvm/llvm-project/actions/runs/29229083717/artifacts/8272586144

Statistics: https://github.com/llvm/llvm-project/actions/runs/29229083717/artifacts/8272586742

## riscv64-linux-gnu `-march=rva23u64 -O3`
| ('Program', '')                             |   ('size..text', 'base') |   ('size..text', 'head') |   ('size..text', 'diff') |
|:--------------------------------------------|-------------------------:|-------------------------:|-------------------------:|
| SingleSour...Shootout-C++/Shootout-C++-ary2 |                      966 |                      968 |              0.00207039  |
| MultiSourc...rsaBench/beamformer/beamformer |                    14018 |                    14036 |              0.00128406  |
| MultiSourc...nchmarks/tramp3d-v4/tramp3d-v4 |                   580082 |                   580442 |              0.000620602 |
| MultiSource/Applications/oggenc/oggenc      |                   156140 |                   156198 |              0.000371462 |
| SingleSource/Benchmarks/Misc/oourafft       |                    10876 |                    10880 |              0.000367782 |
| SingleSour...nchmarks/Adobe-C++/loop_unroll |                   296376 |                   296408 |              0.000107971 |
| MultiSourc...enchmarks/mafft/pairlocalalign |                   259238 |                   259254 |              6.17193e-05 |
| MultiSourc.../Applications/JM/lencod/lencod |                   551472 |                   551502 |              5.43999e-05 |
| MultiSourc...e/Applications/sqlite3/sqlite3 |                   363498 |                   363506 |              2.20084e-05 |
| MultiSourc...ks/ASCI_Purple/SMG2000/smg2000 |                   141428 |                   141430 |              1.41415e-05 |
| MultiSource/Benchmarks/Bullet/bullet        |                   508422 |                   508426 |              7.86748e-06 |
| Geomean difference                          |                      nan |                      nan |             -0.000108258 |
## aarch64-linux-gnu `-march=armv9-a -O3`
| ('Program', '')    |   ('size..text', 'base') |   ('size..text', 'head') |   ('size..text', 'diff') |
|:-------------------|-------------------------:|-------------------------:|-------------------------:|
| Geomean difference |                      nan |                      nan |                        0 |
## x86_64-linux-gnu `-march=x86-64-v3 -O3`
| ('Program', '')    |   ('size..text', 'base') |   ('size..text', 'head') |   ('size..text', 'diff') |
|:-------------------|-------------------------:|-------------------------:|-------------------------:|
| Geomean difference |                      nan |                      nan |                        0 |


https://github.com/llvm/llvm-project/pull/208939