[llvm] [SPIR-V] Fix scalarization of 1-element vector (PR #185529)

[Viktoria Maximova via llvm-commits]

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@@ -0,0 +1,129 @@
+; RUN: llc -O0 -mtriple=spirv64-unknown-unknown %s -o - | FileCheck %s
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vmaksimo wrote:

Just for my knowledge, don't we need wherever possible to run `llc` with `-verify-machineinstrs`?

https://github.com/llvm/llvm-project/pull/185529