[llvm] [Analysis] Cache generation of SCEV expander overflow checks (PR #213013)

[via llvm-commits]

github-actions[bot] wrote:

test-suite diff from ad0465266346682f39a44e7ca9e971b5fa101cc2...b4a1a57fd544044687940b49eb26ee4f21df8108: https://github.com/llvm/llvm-project/actions/runs/30892466871/artifacts/8888359355

Statistics: https://github.com/llvm/llvm-project/actions/runs/30892466871/artifacts/8888360078

## riscv64-linux-gnu `-march=rva23u64 -O3`
| ('Program', '')                             |   ('size..text', 'base') |   ('size..text', 'head') |   ('size..text', 'diff') |
|:--------------------------------------------|-------------------------:|-------------------------:|-------------------------:|
| test-suite...pplications/oggenc/oggenc.test |                   156146 |                   156174 |              0.000179319 |
| Geomean difference                          |                      nan |                      nan |             -2.8495e-05  |
## aarch64-linux-gnu `-march=armv9-a -O3`
| ('Program', '')                        |   ('size..text', 'base') |   ('size..text', 'head') |   ('size..text', 'diff') |
|:---------------------------------------|-------------------------:|-------------------------:|-------------------------:|
| MultiSource/Applications/oggenc/oggenc |                   218364 |                   218576 |              0.000970856 |
| SingleSource/Benchmarks/Stanford/Oscar |                     5692 |                     5696 |              0.000702741 |
| Geomean difference                     |                      nan |                      nan |             -1.81495e-05 |
## x86_64-linux-gnu `-march=x86-64-v3 -O3`
| ('Program', '')                             |   ('size..text', 'base') |   ('size..text', 'head') |   ('size..text', 'diff') |
|:--------------------------------------------|-------------------------:|-------------------------:|-------------------------:|
| SingleSource/Benchmarks/Stanford/Oscar      |                    10183 |                    10263 |              0.00785623  |
| Bitcode/Be...placian/halide_local_laplacian |                   174304 |                   174944 |              0.00367175  |
| Geomean difference                          |                      nan |                      nan |              2.17591e-05 |


https://github.com/llvm/llvm-project/pull/213013