[LLVMbugs] [Bug 6627] [FreeBSD] llvm doesn't merge adjacent byte loads feeding compares

bugzilla-daemon at llvm.org bugzilla-daemon at llvm.org
Thu Apr 28 11:17:27 PDT 2011


Chris Lattner <clattner at apple.com> changed:

           What    |Removed                     |Added
             Status|NEW                         |RESOLVED
         Resolution|                            |FIXED

--- Comment #7 from Chris Lattner <clattner at apple.com> 2011-04-28 13:17:26 CDT ---
Fixed in r130416.  Clang should be generating more aggressive alignment info
than it is in many cases, so we don't catch this if (e.g.) "hdr" is a pointer
argument to the function instead of being on the stack, but this simple looking
missed optimization is finally done.

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