allocation-size ( insns -- n )

Vocabulary

compiler.cfg.gc-checks.private

Inputs

insns

sequence of insn

Outputs

n

a number

Word description

Calculates the total number of bytes allocated by the instructions in a block.

Examples

USING: accessors compiler.cfg.debugger compiler.cfg.gc-checks.private kernel prettyprint sequences ; [ V{ } clone ] test-ssa first entry>> successors>> first instructions>> allocation-size .
32 ! 16 on 32-bit

Definition

USING: compiler.cfg.instructions layouts math namespaces
sequences ;

IN: compiler.cfg.gc-checks.private

: allocation-size ( insns -- n )
    [ allocation-insn? ] filter
    [ allocation-size* data-alignment get align ] map-sum ;