[llvm] [VPlan] Enhance VPlan-based LICM using argument noalias attributes (PR #217238)

[via llvm-commits]

github-actions[bot] wrote:

test-suite diff from 7002c4f33be0f2ce8b3fa4da7b84cf6dbde0f9d1...cfb69a679776fa79cc40acbcb11ffe4922e220cd: https://github.com/llvm/llvm-project/actions/runs/32236204605/artifacts/9361021781

Statistics: https://github.com/llvm/llvm-project/actions/runs/32236204605/artifacts/9361022596

## riscv64-linux-gnu `-march=rva23u64 -O3`
| ('Program', '')    |   ('size..text', 'base') |   ('size..text', 'head') |   ('size..text', 'diff') |
|:-------------------|-------------------------:|-------------------------:|-------------------------:|
| Geomean difference |                      nan |                      nan |                        0 |
## 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/217238