[llvm] [AArch64][SVE] Detect MOV (imm, pred, zeroing/merging) (PR #116032)

[Paul Walker via llvm-commits]

================
@@ -0,0 +1,83 @@
+; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py UTC_ARGS: --version 5
+; RUN: llc -mtriple=aarch64-linux-gnu -mattr=+sve < %s | FileCheck %s
+
+; Zeroing.
+
+define dso_local <vscale x 16 x i8> @mov_z_b(<vscale x 16 x i1> %pg) {
----------------
paulwalker-arm wrote:

Is the use of `dso_local` necessary?

https://github.com/llvm/llvm-project/pull/116032