Add opt with ctlz and shifts of power of 2 constants (#74175)

This patch does the following simplifications:
```
cttz(shl(C, X), 1) -> add(cttz(C, 1), X)
cttz(lshr exact(C, X), 1) -> sub(cttz(C, 1), X)
ctlz(lshr(C, X), 1) --> add(ctlz(C, 1), X)
ctlz(shl nuw (C, X), 1) --> sub(ctlz(C, 1), X)
```
Alive2: https://alive2.llvm.org/ce/z/9KHlKc
Closes #41333