dmd.optimize

Compiler implementation of the D programming language.

Authors:

Walter Bright

License:

Boost License 1.0

Source

optimize.d

Documentation

https://dlang.org/phobos/dmd_optimize.html

Coverage

https://codecov.io/gh/dlang/dmd/src/master/src/dmd/optimize.d

Expression expandVar(int result, VarDeclaration v);

If variable has a const initializer, return that initializer.

Returns:

initializer if there is one, null if not, ErrorExp if error

Expression Expression_optimize(Expression e, int result, bool keepLvalue);

Constant fold an Expression.

Parameters:

Expression e	expression to const fold; this may get modified in-place
int result	WANTvalue, WANTexpand, or both
bool keepLvalue	e is an lvalue, and keep it as an lvalue since it is an argument to a ref or out parameter, or the operand of & operator

Returns:

Constant folded version of e