useless-branch? ( bb successor -- ? )

Vocabulary

compiler.codegen

Inputs

bb	a basic-block
successor	The successor block of bb

Outputs

?	A boolean value

Word description

If successor immediately follows bb in the linearization order, then a branch is is not needed.

Definition

USING: accessors kernel math ;

IN: compiler.codegen

: useless-branch? ( bb successor -- ? )
    [ number>> ] bi@ 1 - = ; inline