[CVP][LVI] Add support for InsertElementInst in LVI (#99368)
Currently, the LVI analysis pass doesn't support InsertElementInst
vector instruction. Due to this, some optimization opportunities are
missed. For example, in the below example, ICMP instruction can be
folded but it doesn't.
```
...
%ie1 = insertelement <2 x i32> poison, i32 10, i64 0
%ie2 = insertelement <2 x i32> %ie1, i32 20, i64 1
%icmp = icmp <2 x i1> %ie2, <i32 40, i32 40>
...
```
This change adds InsertElementInst support in the LVI analysis pass to
fix the motivating example.