opt-class-analysis, Qopt-class-analysis

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

IDE Equivalent

None

Architectures

IA-32, Intel® 64 architectures

Syntax

Linux and Mac OS X:

-opt-class-analysis

-no-opt-class-analysis

Windows:

/Qopt-class-analysis

/Qopt-class-analysis-

Arguments

None

Default

-no-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.

Alternate Options

None