[LLVMbugs] [Bug 8728] likely wrong code bug

[bugzilla-daemon at llvm.org]

http://llvm.org/bugs/show_bug.cgi?id=8728

Chris Lattner <clattner at apple.com> changed:

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

--- Comment #6 from Chris Lattner <clattner at apple.com> 2010-12-05 19:48:54 CST ---
Fixed in r120974.  Also, it turns out that eliminating the memset in:

  tail call void @llvm.memset.i64(i8* %P, i8 42, i64 8, i32 1)
  tail call void @llvm.memcpy.i64(i8* %P, i8* %Q, i64 12, i32 1)

isn't safe if P/Q might alias.

-Chris

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