[llvm] [GlobalISel] Fix vector.deinterleave2 with <1 x float> results (PR #214718)

[David Green via llvm-commits]

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davemgreen wrote:

You can put the test case into the existing llvm/test/CodeGen/AArch64/GlobalISel/irtranslator-vector-deinterleave2.ll

https://github.com/llvm/llvm-project/pull/214718