[llvm] [NFC][SPIRV] New test for untested SPIRV backend case (PR #185686)

[Juan Manuel Martinez Caamaño via llvm-commits]

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@@ -261,3 +262,14 @@ define <3 x i1> @test_v3_sge(<3 x i32> %a, <3 x i32> %b) {
   %r = icmp sge <3 x i32> %a, %b
   ret <3 x i1> %r
 }
+
+; CHECK:      [[v16NE]] = OpFunction
+; CHECK-NEXT: OpLabel
+; CHECK-NEXT: [[R:%.*]] = OpLogicalNotEqual {{%.+}} {{%.*}} {{%.*}}
+; CHECK-NEXT: OpReturnValue [[R]]
+; CHECK-NEXT: OpFunctionEnd
+
+define spir_func <16 x i1> @test_v16_ne() addrspace(4) {
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jmmartinez wrote:

```suggestion
define spir_func <16 x i1> @test_v16_ne() {
```

https://github.com/llvm/llvm-project/pull/185686