Ralph Zhang Ralph Zhang - 1 year ago 87
C++ Question

Would C++ exception stops function from being inlined?

Suppose I have a very simple function that I expect the compiler to inline it. But I may need to throw exception on seeing some invalid input, would that stop the compiler from inlining the function?

Answer Source

A compiler can refuse to inline for any reason. gcc lists reasons why it might not inline a function, but exception throwing is not among them. Also, the option -Winline will cause the compiler to issue a warning if it can't inline a function that you marked as inline. You can try that and see if you are doing anything to prevent inlining.

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