[LLVMbugs] [Bug 10769] code with shl and bitwise or instructions optimizes wrong

bugzilla-daemon at llvm.org bugzilla-daemon at llvm.org
Fri Aug 26 00:33:40 PDT 2011


http://llvm.org/bugs/show_bug.cgi?id=10769

Duncan Sands <baldrick at free.fr> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|REOPENED                    |RESOLVED
                 CC|                            |baldrick at free.fr
         Resolution|                            |INVALID

--- Comment #3 from Duncan Sands <baldrick at free.fr> 2011-08-26 02:33:39 CDT ---
"Logically, shl i8 1, 8 should evaluate to 0. That's what happens without
optimization in any CPU."

This simply isn't true.

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