[Mlir-commits] [mlir] [MLIR][SCF] fix loop pipelining pass use of uninitialized value (PR #146991)

[Hu Yufan]

Hyffer wrote:

This is my first time contribute to llvm, I have went through contributing guide. And I have followed https://mlir.llvm.org/getting_started/TestingGuide/, test results:

```
********************
Failed Tests (3):
  MLIR :: Dialect/SCF/transform-ops.mlir
  MLIR-Unit :: Target/LLVM/./MLIRTargetLLVMTests/MLIRTargetLLVMROCDL/GetELFMetadata
  MLIR-Unit :: Target/LLVM/./MLIRTargetLLVMTests/MLIRTargetLLVMROCDL/SerializeROCDLToBinary


Testing Time: 42.47s

Total Discovered Tests: 3332
  Skipped          :    1 (0.03%)
  Unsupported      :  458 (13.75%)
  Passed           : 2869 (86.10%)
  Expectedly Failed:    1 (0.03%)
  Failed           :    3 (0.09%)
```

It seems those three just fail on main branch.

https://github.com/llvm/llvm-project/pull/146991