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version 2.109.1

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dmd.inline

Performs inlining, which is an optimization pass enabled with the -inline flag.
The AST is traversed, and every function call is considered for inlining using inlinecost.d. The function call is then inlined if this cost is below a threshold.
Authors:
Walter Bright
License:
Boost License 1.0

Source inline.d

Documentation https://dlang.org/phobos/dmd_inline.html

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

void inlineScanModule(Module m);
Scan function implementations in Module m looking for functions that can be inlined, and inline them in situ.
Parameters:
Module m module to scan
Expression inlineCopy(Expression e, Scope* sc);
Perform the "inline copying" of a default argument for a function parameter.

Todo The hack for https://issues.dlang.org/show_bug.cgi?id=4820 case is still questionable. Perhaps would have to handle a delegate expression with 'null' context properly in front-end.