[llvm] [LV] Support generating masks for switch terminators. (PR #99808)

[Florian Hahn via llvm-commits]

================
@@ -104,9 +181,62 @@ define void @switch_all_dests_distinct(ptr %start, ptr %end) {
 ; FORCED-LABEL: define void @switch_all_dests_distinct(
----------------
fhahn wrote:

I checked and the reason for not vectorizing is that `getCFInstrCost` considers `Switch` as free on X86.

https://github.com/llvm/llvm-project/pull/99808