[PATCH] Simplify gimple_assign_load

The following simplifies and outlines gimple_assign_load. In particular it is not necessary to get at the base of the possibly loaded expression but just handle the case of a single handled component wrapping a non-memory operand. Bootstrapped and tested on x86_64-unknown-linux-gnu, pushed.

[PATCH] Simplify gimple_assign_load

The following simplifies and outlines gimple_assign_load. In particular it is not necessary to get at the base of the possibly loaded expression but just handle the case of a single handled component wrapping a non-memory operand. Bootstrapped and tested on x86_64-unknown-linux-gnu, not yet sure