Intel® C++ Compiler Classic Developer Guide and Reference

ID 767249
Date 3/31/2023
Public

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Document Table of Contents

qopt-class-analysis, Qopt-class-analysis

Determines whether C++ class hierarchy information is used to analyze and resolve C++ virtual function calls at compile time.

Syntax

Linux and macOS:

-qopt-class-analysis

-qno-opt-class-analysis

Windows:

/Qopt-class-analysis

/Qopt-class-analysis-

Arguments

None

Default

-qno-opt-class-analysis
or/Qopt-class-analysis-

C++ class hierarchy information is not used to analyze and resolve C++ virtual function calls at compile time.

Description

This option determines whether C++ class hierarchy information is used to analyze and resolve C++ virtual function calls at compile time. The option is turned on by default with the -ipo compiler option, enabling improved C++ optimization. If a C++ application contains non-standard C++ constructs, such as pointer down-casting, it may result in different behaviors.

IDE Equivalent

None

Alternate Options

None