[Mlir-commits] [mlir] Reapply [mlir][memref]: Allow collapse of strided unit dim even if strides are dynamic (PR #171039)

[LLVM Continuous Integration]

llvm-ci wrote:

LLVM Buildbot has detected a new failure on builder `ppc64le-mlir-rhel-clang` running on `ppc64le-mlir-rhel-test` while building `mlir` at step 4 "cmake-configure".

Full details are available at: https://lab.llvm.org/buildbot/#/builders/129/builds/36262

<details>
<summary>Here is the relevant piece of the build log for the reference</summary>

```
Step 4 (cmake-configure) failure: cmake (failure) (timed out)
...
-- Performing Test LLVM_LINKER_SUPPORTS_B_SYMBOLIC_FUNCTIONS
-- Performing Test LLVM_LINKER_SUPPORTS_B_SYMBOLIC_FUNCTIONS - Success
-- Performing Test HAS_WERROR_GLOBAL_CTORS
-- Performing Test HAS_WERROR_GLOBAL_CTORS - Success
-- Performing Test LLVM_HAS_NOGLOBAL_CTOR_MUTEX
-- Performing Test LLVM_HAS_NOGLOBAL_CTOR_MUTEX - Success
-- Looking for __x86_64__
-- Looking for __x86_64__ - not found
-- Found Git: /usr/bin/git (found version "2.43.5")
-- Looking for logf128
command timed out: 1200 seconds without output running [b'cmake', b'-DLLVM_TARGETS_TO_BUILD=PowerPC', b'-DLLVM_INSTALL_UTILS=ON', b'-DCMAKE_CXX_STANDARD=17', b'-DLLVM_ENABLE_PROJECTS=mlir', b'-DLLVM_LIT_ARGS=-vj 256', b'-DCMAKE_C_COMPILER_LAUNCHER=ccache', b'-DCMAKE_CXX_COMPILER_LAUNCHER=ccache', b'-DCMAKE_BUILD_TYPE=Release', b'-DLLVM_ENABLE_ASSERTIONS=ON', b'-GNinja', b'../llvm-project/llvm'], attempting to kill
process killed by signal 9
program finished with exit code -1
elapsedTime=1655.883854

```

</details>

https://github.com/llvm/llvm-project/pull/171039