Static single-assignment form
label: SSA @ru
label: Single Static Assignment @pl
label: 静态单赋值形式 @zh
label: Static single assignment form @fr
label: 静的単一代入 @ja
label: SSA (static single assignment form) @sv
subject: Category:Compiler optimizations
description: intermediate representation (IR) in which each variable is assigned exactly once, and every variable is defined before it is used