[llvm] [AMDGPU] Graph-based Module Splitting Rewrite (PR #104763)

[Vladimir Vereschaka via llvm-commits]

vvereschaka wrote:

Hi @Pierre-vh 

there are few more failed tests on the expensive checks builder (ubuntu):
https://lab.llvm.org/buildbot/#/builders/187/builds/770

```
********************
Failed Tests (11):
  LLVM :: tools/llvm-split/AMDGPU/kernels-cost-ranking.ll
  LLVM :: tools/llvm-split/AMDGPU/kernels-dependencies.ll
  LLVM :: tools/llvm-split/AMDGPU/kernels-dependency-duplication.ll
  LLVM :: tools/llvm-split/AMDGPU/kernels-dependency-external.ll
  LLVM :: tools/llvm-split/AMDGPU/kernels-dependency-indirect.ll
  LLVM :: tools/llvm-split/AMDGPU/kernels-dependency-overridable.ll
  LLVM :: tools/llvm-split/AMDGPU/kernels-global-variables-noexternal.ll
  LLVM :: tools/llvm-split/AMDGPU/kernels-global-variables.ll
  LLVM :: tools/llvm-split/AMDGPU/kernels-no-dependencies.ll
  LLVM :: tools/llvm-split/AMDGPU/non-kernels-dependencies.ll
  LLVM :: tools/llvm-split/AMDGPU/recursive-search-8.ll
```

https://github.com/llvm/llvm-project/pull/104763