[Mlir-commits] [mlir] [MLIR][MPI] Add LLVM lowering patterns for some MPI operations (PR #95524)

[Markus Böck]

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@@ -0,0 +1,40 @@
+// RUN: mlir-opt -convert-to-llvm %s | FileCheck %s
+
+module {
+// CHECK:  llvm.func @MPI_Finalize() -> i32
+// CHECK:  llvm.func @MPI_Comm_rank(!llvm.ptr, !llvm.ptr) -> i32
+// CHECK:  llvm.mlir.global external @MPI_COMM_WORLD() {addr_space = 0 : i32} : !llvm.struct<"MPI_ABI_Comm", opaque>
+// CHECK:  llvm.func @MPI_Init(!llvm.ptr, !llvm.ptr) -> i32
+
+  func.func @mpi_test(%arg0: memref<100xf32>) {
+    %0 = mpi.init : !mpi.retval
+// CHECK:      %7 = llvm.mlir.zero : !llvm.ptr
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zero9178 wrote:

I think it has always been convention that the check lines for a particular ops lowering are before the op being lowered. 

https://github.com/llvm/llvm-project/pull/95524