[LLVMbugs] [Bug 16716] char-copying loop should optimize to memcpy

bugzilla-daemon at llvm.org bugzilla-daemon at llvm.org
Sat Jul 27 08:59:51 PDT 2013


Chris Lattner <clattner at apple.com> changed:

           What    |Removed                     |Added
             Status|NEW                         |RESOLVED
         Resolution|---                         |INVALID

--- Comment #1 from Chris Lattner <clattner at apple.com> ---
That function isn't necessarily a memcpy, or even a memmove.  Consider the
behavior of:

char x[100] = { 'a', 0 };

my_memcpy(x+1, x, 99);

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