fir::AliasAnalysis::Source::PathStep Struct Reference

#include <flang/Optimizer/Analysis/AliasAnalysis.h>

Public Types
enum class	Kind { Component , PointerDeref , AllocDeref }

Public Member Functions
bool	operator== (const PathStep &o) const
bool	operator!= (const PathStep &o) const

Public Attributes
Kind	kind
mlir::StringAttr	component

Detailed Description

Represents a step in the access path from a root variable to the memory location being queried. Built during the backward walk in getSource() and stored in forward (root-to-leaf) order.

Member Enumeration Documentation

Kind

enum class fir::AliasAnalysis::Source::PathStep::Kind

strong

Enumerator
Component	Named component access, e.g. xfield.
PointerDeref	Loading a POINTER box (fir.load of !fir.box<!fir.ptr<...>>). The resulting address depends on pointer association at runtime.
AllocDeref	Loading an ALLOCATABLE box (fir.load of !fir.box<!fir.heap<...>>).

Member Data Documentation

component

mlir::StringAttr fir::AliasAnalysis::Source::PathStep::component

For Component steps: the field name from hlfir.designate's component attribute or fir.coordinate_of's field_indices (mapped through the record type). Null for non-Component steps.

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The documentation for this struct was generated from the following file:

• include/flang/Optimizer/Analysis/AliasAnalysis.h