[llvm] [NFC][AArch64] Split fptoi tests and add scal_to_vec convert tests (PR #179315)

[David Green via llvm-commits]

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@@ -0,0 +1,49 @@
+; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py UTC_ARGS: --version 5
+; RUN: llc < %s -mtriple aarch64-unknown-unknown -mattr=+fullfp16,+fprcvt | FileCheck %s
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davemgreen wrote:

I usually think about these tests the other way around. There is some particular IR that we are trying to generate optimal assembly for. If we care about these inserts then we care about all the types, so it is worth having tests for them so that we can make sure they are optimal, and don't regress in the future.

https://github.com/llvm/llvm-project/pull/179315