A Global Value Numbering pass that eliminates redundant values.

Synopsis

Declared in <llvm/Transforms/Scalar/NewGVN.h>

class NewGVNPass
    : public OptionalPassInfoMixin<NewGVNPass>

Description

This is a reimplementation of GVN that uses a sparse dataflow lattice and congruence classes to find and remove fully redundant instructions.

Base Classes

Name

Description

OptionalPassInfoMixin<NewGVNPass>

A CRTP mix‐in for passes that can be skipped.

Member Functions

Name

Description

run

Run the pass over the function.

Static Member Functions

Name

Description

isRequired

Return false; optional passes may be skipped.

Created with MrDocs