[Mlir-commits] [mlir] [mlir][vector] Implement lowering for 1D vector.deinterleave operations (PR #93042)

[Benjamin Maxwell]

================
@@ -0,0 +1,31 @@
+// DEFINE: %{entry_point} = entry
+// DEFINE: %{compile} = mlir-opt %s -test-lower-to-llvm
+// DEFINE: %{run} = %mcr_aarch64_cmd -march=aarch64 -mattr=+sve \
+// DEFINE:  -e %{entry_point} -entry-point-result=void \
+// DEFINE:  -shared-libs=%mlir_runner_utils,%mlir_c_runner_utils,%mlir_arm_runner_utils
+
+// RUN: %{compile} | %{run} | FileCheck %s
+
+func.func @entry() {
+  %c256 = arith.constant 256 : i32
+  func.call @setArmVLBits(%c256) : (i32) -> ()
+  func.call @test_deinterleave() : () -> ()
+  return
+}
+
+func.func @test_deinterleave() {
+  %step_vector = llvm.intr.experimental.stepvector : vector<[4]xi8>
+  vector.print %step_vector : vector<[4]xi8>
+  // CHECK: ( 0, 1, 2, 3, 4, 5, 6, 7 )
+
+  %v1, %v2 = vector.deinterleave %step_vector : vector<[4]xi8> -> vector<[2]xi8>
+  vector.print %v1 : vector<[2]xi8>
+  vector.print %v2 : vector<[2]xi8>
+  // CHECK: ( 0, 2, 4, 6 )
+  // CHECK: ( 1, 3, 5, 7 )
+
+  return
+
----------------
MacDue wrote:

```suggestion
```

https://github.com/llvm/llvm-project/pull/93042