[CI] Fix docker file and action credential issue

[Frontend] refactor fusion dependent code

Vector Scalar Operations

To compute vector and scalar operand, expanding is necessary.

Separate the LD/ST operations for vectors and scalars.

Fix llvm ir store generation

[Custom Backend] Implement reduction/store_reduction to support simpl…

…e reduction

Signed-off-by: wonhyuk yang <[email protected]>