[LLVMdev] jump threading and the stack

[Chris Lattner]

  On Wed, 25 Jun 2008, Chris Lattner wrote:
>> "llvm-ld -O" runs jump threading but doesn't run any mem2reg pass
>> afterwards, and I've seen several cases where variables end up left on
>> the stack in the output of the linker.
>
> Wow, this sounds like a serious bug.  jump threading definitely needs
> mem2reg to be run after it.

This should be fixed now, I also filed PR2495 about a potential 
compile-time speedup here.

-Chris

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