[llvm] r288871 - [LVI] Simplify obfuscated code

[Philip Reames via llvm-commits]

Already fixed.

Pnilip

On 12/06/2016 09:37 PM, Mike Aizatsky wrote:
> Philip,
>
> This breaks multiple builds:
>
> E.g.:
>
> http://lab.llvm.org:8011/builders/sanitizer-ppc64be-linux/builds/627/steps/bootstrap%20clang/logs/stdio
>
> /home/buildbots/ppc64be-sanitizer/sanitizer-ppc64be/build/llvm/lib/Analysis/LazyValueInfo.cpp:189:14: 
> error: unused variable 'changed' [-Werror,-Wunused-variable] bool 
> changed = Range != NewR; ^
>
>
> On Tue, Dec 6, 2016 at 4:38 PM Philip Reames via llvm-commits 
> <llvm-commits at lists.llvm.org <mailto:llvm-commits at lists.llvm.org>> wrote:
>
>     Author: reames
>     Date: Tue Dec  6 18:28:28 2016
>     New Revision: 288871
>
>     URL: http://llvm.org/viewvc/llvm-project?rev=288871&view=rev
>     Log:
>     [LVI] Simplify obfuscated code
>
>     It doesn't matter why something is overdefined if it is...
>
>
>     Modified:
>         llvm/trunk/lib/Analysis/LazyValueInfo.cpp
>
>     Modified: llvm/trunk/lib/Analysis/LazyValueInfo.cpp
>     URL:
>     http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Analysis/LazyValueInfo.cpp?rev=288871&r1=288870&r2=288871&view=diff
>     ==============================================================================
>     --- llvm/trunk/lib/Analysis/LazyValueInfo.cpp (original)
>     +++ llvm/trunk/lib/Analysis/LazyValueInfo.cpp Tue Dec  6 18:28:28 2016
>     @@ -224,29 +224,15 @@ public:
>                return false;
>              return markOverdefined();
>            }
>     -
>     -      if (RHS.isNotConstant()) {
>     -        if (Val == RHS.Val)
>     -          return markOverdefined();
>     -        return markOverdefined();
>     -      }
>     -
>            return markOverdefined();
>          }
>
>          if (isNotConstant()) {
>     -      if (RHS.isConstant()) {
>     -        if (Val == RHS.Val)
>     -          return markOverdefined();
>     -        return markOverdefined();
>     -      }
>     -
>            if (RHS.isNotConstant()) {
>              if (Val == RHS.Val)
>                return false;
>              return markOverdefined();
>            }
>     -
>            return markOverdefined();
>          }
>
>
>
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>
> -- 
> Mike
> Sent from phone


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