P4::FlattenHeaderUnion Class Reference

Inheritance diagram for P4::FlattenHeaderUnion:

Public Member Functions
	FlattenHeaderUnion (P4::ReferenceMap *refMap, P4::TypeMap *typeMap, bool loopsUnroll=true)

Detailed Description

Passmanager to group necessary passes for flattening header unions

• RemoveAllUnusedDeclarations pass is used to remove the local standalone header union variable declarations
• The header union flattening pass introduces if statements within parser, RemoveParserIfs pass is used to convert these if statements to transition select statements