| Issue |
90419
|
| Summary |
Slow compile time in SimplifyCFG
|
| Labels |
new issue
|
| Assignees |
|
| Reporter |
dcci
|
`$ ./opt -O1 ~/foo.ll -time-passes`
```
===-------------------------------------------------------------------------===
Pass execution timing report
===-------------------------------------------------------------------------===
Total Execution Time: 274.5392 seconds (274.6715 wall clock)
---User Time--- --System Time-- --User+System-- ---Wall Time--- --- Name ---
179.7953 ( 65.8%) 0.0010 ( 0.1%) 179.7963 ( 65.5%) 179.8888 ( 65.5%) SimplifyCFGPass
52.8461 ( 19.3%) 0.2119 ( 15.6%) 53.0581 ( 19.3%) 53.0767 ( 19.3%) SROAPass
24.8906 ( 9.1%) 1.1434 ( 84.3%) 26.0340 ( 9.5%) 26.0476 ( 9.5%) LCSSAPass
8.9535 ( 3.3%) 0.0000 ( 0.0%) 8.9535 ( 3.3%) 8.9581 ( 3.3%) InstCombinePass
1.7266 ( 0.6%) 0.0000 ( 0.0%) 1.7266 ( 0.6%) 1.7275 ( 0.6%) LoopDeletionPass
[...]
```
[foo.ll.txt](https://github.com/llvm/llvm-project/files/15143961/foo.ll.txt)
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