[LLVMbugs] [Bug 3777] zext+gep should be optimized away by codegen

[bugzilla-daemon at cs.uiuc.edu]

http://llvm.org/bugs/show_bug.cgi?id=3777


Dan Gohman <gohman at apple.com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
                 CC|                            |gohman at apple.com
             Status|NEW                         |RESOLVED
         Resolution|                            |INVALID




--- Comment #1 from Dan Gohman <gohman at apple.com>  2009-03-10 17:10:46 ---
The movzbl here clears the entire contents of %rcx.
See the "Implicit zero extend" section of
http://www.x86-64.org/documentation/assembly.html


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