[Mlir-commits] [mlir] [mlir][python] bind block predecessors and successors (PR #145116)

[Maksim Levental]

================
@@ -986,6 +986,20 @@ MLIR_CAPI_EXPORTED MlirValue mlirBlockGetArgument(MlirBlock block,
 MLIR_CAPI_EXPORTED void
 mlirBlockPrint(MlirBlock block, MlirStringCallback callback, void *userData);
 
+/// Returns the number of successor blocks of the block.
+MLIR_CAPI_EXPORTED intptr_t mlirBlockGetNumSuccessors(MlirBlock block);
----------------
makslevental wrote:

added the test but not sure what's going on with FileCheck:

```
/home/gha/actions-runner/_work/llvm-project/llvm-project/mlir/test/CAPI/ir.c:2444:18: error: CHECK-LABEL: expected string not found in input
 // CHECK-LABEL: @testBlockPredecessorsSuccessors
                 ^
<stdin>:243:18: note: scanning from here
@test_diagnostics
                 ^
<stdin>:245:1: note: possible intended match here
test diagnostics
^

Input file: <stdin>
Check file: /home/gha/actions-runner/_work/llvm-project/llvm-project/mlir/test/CAPI/ir.c

-dump-input=help explains the following input dump.

Input was:
<<<<<<
              .
              .
              .
            238: interrupt: arith.addi
            239: skip: builtin.module
            240: skip: func.func
            241: skip: func.func
            242: @testBlockPredecessorsSuccessors
            243: @test_diagnostics
```

https://github.com/llvm/llvm-project/pull/145116