[llvm-dev] MCJIT emitting optimization diagnostics on stdout/stderr

Antoine Pitrou via llvm-dev llvm-dev at lists.llvm.org
Wed Jul 13 03:25:51 PDT 2016


It looks like DK_OptimizationRemarkAnalysisAliasing isn't handled in
llvm::isDiagnosticEnabled(), hence those messages are always
unconditionally output...

Regards

Antoine.


On Wed, 13 Jul 2016 11:21:52 +0200
Antoine Pitrou via llvm-dev <llvm-dev at lists.llvm.org> wrote:
> 
> Hello,
> 
> Starting with LLVM 3.8.x, we get some diagnostic printouts when JITting
> some functions, e.g.:
> 
>   remark: <unknown>:0:0: loop not vectorized: cannot prove it is safe to
> reorder memory operations
> 
> Is it normal to get those by default? Is there a well-defined way to
> disable them?
> 
> Regards
> 
> Antoine.
> 
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