[llvm] [GlobalISel] Add support to moreElementsVector for G_SEXT, G_ZEXT and G_ANYEXT (PR #85038)

[David Green via llvm-commits]

https://github.com/davemgreen commented:

I was looking at G_TRUNC recently which is quite similar in terms of what is falling back. It was running into some of the same regressions that this sees in zext_v3i8_v3i64, among other issues.

https://github.com/llvm/llvm-project/pull/85038