[llvm] [mlir] [mlir][spirv] Add vector.interleave to spirv.VectorShuffle conversion (PR #93240)

[Angel Zhang via llvm-commits]

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@@ -494,6 +494,19 @@ func.func @interleave(%a: vector<2xf32>, %b: vector<2xf32>) -> vector<4xf32> {
 
 // -----
 
+// CHECK-LABEL: func @interleave_size1
+// CHECK-SAME: (%[[ARG0:.+]]: vector<1xf32>, %[[ARG1:.+]]: vector<1xf32>)
+//       CHECK: %[[V0:.*]] = builtin.unrealized_conversion_cast %[[ARG0]] : vector<1xf32> to f32
+//       CHECK: %[[V1:.*]] = builtin.unrealized_conversion_cast %[[ARG1]] : vector<1xf32> to f32
+//       CHECK: %[[RES:.*]] = spirv.CompositeConstruct %[[V0]], %[[V1]] : (f32, f32) -> vector<2xf32>
+//       CHECK: return %[[RES]]
+func.func @interleave_size1(%a: vector<1xf32>, %b: vector<1xf32>) -> vector<2xf32> {
+  %0 = vector.interleave %a, %b : vector<1xf32>
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angelz913 wrote:

Rebased and fixed format

https://github.com/llvm/llvm-project/pull/93240