[Mlir-commits] [mlir] [mlir] Initial patch to add an MPI dialect (PR #68892)

[Christian Ulmann]

================
@@ -0,0 +1,50 @@
+// RUN: mlir-opt -split-input-file -verify-diagnostics %s
+
+// expected-error @+1 {{op result #0 must be 32-bit signless integer, but got 'i64'}}
+%rank = mpi.comm_rank : i64
+
+// -----
+
+func.func @mpi_test(%ref : !llvm.ptr, %rank: i32) -> () {
+    // expected-error @+1 {{invalid kind of type specified}}
----------------
Dinistro wrote:

```suggestion
    // expected-error @below {{invalid kind of type specified}}
```
This even works for the `@+2` further down.

https://github.com/llvm/llvm-project/pull/68892