false-base ( predecessor -- vreg )

Vocabulary

compiler.cfg.register-allocation.ssa.bases

Inputs

predecessor

an object

Outputs

vreg

an object

Definition

USING: accessors compiler.cfg.instructions
compiler.cfg.registers cpu.architecture kernel math sequences ;

IN: compiler.cfg.register-allocation.ssa.bases

:: false-base ( predecessor -- vreg )
    tagged-rep next-vreg-rep :> vreg ##load-reference new vreg
    >>dst f >>obj :> insn predecessor
    [ dup length 1 - insn swap rot insert-nth ]
    change-instructions drop vreg ;