[llvm-commits] [llvm] r76422 - /llvm/trunk/examples/Kaleidoscope/toy.cpp

[Chris Lattner]

On Jul 20, 2009, at 7:50 AM, Eli Friedman wrote:

> Author: efriedma
> Date: Mon Jul 20 09:50:07 2009
> New Revision: 76422
>
> URL: http://llvm.org/viewvc/llvm-project?rev=76422&view=rev
> Log:
> PR4591: Make sure to initialize the pass manager before using it.

Why is this needed?  Isn't the FunctionPassManager calling doInit on  
all the passes in it before they start?

-Chris

>
>
> Modified:
>    llvm/trunk/examples/Kaleidoscope/toy.cpp
>
> Modified: llvm/trunk/examples/Kaleidoscope/toy.cpp
> URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/examples/Kaleidoscope/toy.cpp?rev=76422&r1=76421&r2=76422&view=diff
>
> = 
> = 
> = 
> = 
> = 
> = 
> = 
> = 
> ======================================================================
> --- llvm/trunk/examples/Kaleidoscope/toy.cpp (original)
> +++ llvm/trunk/examples/Kaleidoscope/toy.cpp Mon Jul 20 09:50:07 2009
> @@ -1125,6 +1125,8 @@
>     // Simplify the control flow graph (deleting unreachable blocks,  
> etc).
>     OurFPM.add(createCFGSimplificationPass());
>
> +    OurFPM.doInitialization();
> +
>     // Set the global so the code gen can use this.
>     TheFPM = &OurFPM;
>
>
>
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