[LLVMdev] Accessing/Loading a new pass

[Ben Chambers]

Thanks!  It seems to be working now.  If anyone wants a copy of the
updated LowerConstantExpression pass, let me know.

-- Ben Chambers

On 7/4/07, Chris Lattner <sabre at nondot.org> wrote:
> On Wed, 4 Jul 2007, Ben Chambers wrote:
> > Ah, I was missing that include/llvm/LinkAllPasses.h change.  Thanks!
> > Now I have it working, except for the fact that it doesn't seem to
> > generate fresh names for things.  Or if it does, they're the empty
> > string (I suspect it is the latter, since when I create the new
> > instruction the empty string is passed in for the name of the
> > instruction).  Is there some way to get a new name (like tmp155) and
> > have a high degree of confidence that it is actually unique?
>
> Sure.  Just give every name "tmp" and it will autounique them.
>
> -Chris
>
> > On 7/4/07, Chris Lattner <sabre at nondot.org> wrote:
> >> On Wed, 4 Jul 2007, Ben Chambers wrote:
> >>> Ok.  So I took the source code from 1.5 for the LowerConstantExprs
> >>> pass and (hopefully) corrected all the bitrot.  It now compiles.  But
> >>> opt doesn't see it (when I run Release/bin/opt --help it doesn't show
> >>> up).  So, I copy the Transform/Hello directory and compile it as a
> >>> dynamically loaded pass.  When I run Release/bin/opt -load
> >>> Release/lib/LLVMLowerConstExps --help it shows up.  Ok.  Now I run
> >>> make install.  Now if I run opt -load Release/lib/LLVMLowerConstExps I
> >>> get an error message.  Specifically, I get:
> >>
> >> I'd suggest adding it back to the scalar directory.  Then make sure to add
> >> it to include/llvm/LinkAllPasses.h
> >>
> >> -Chris
> >>
> >>> Error opening 'lib/LLVMLowerConst': Can't open :lib/LLVMLowerConst:
> >>> dlopen(lib/LLVMLowerConst.0.dylib, 9): Symbol not found:
> >>> __ZN4llvm12FunctionPass11runOnModuleERNS_6ModuleE
> >>>  Referenced from:
> >>> /Users/benchambers/Documents/research/llvm/llvm-2.0/Release/lib/LLVMLowerConst.0.dylib
> >>>  Expected in: flat namespace
> >>>
> >>>  -load request ignored.
> >>>
> >>> What's going?  I'd like to get it to be built into opt (so I'd like to
> >>> figure out why it wasn't showing up when I had it in
> >>> Transforms/Scalar), but lacking that I'd like to figure out how to get
> >>> it to load into opt after I install opt.
> >>>
> >>> Thanks for your help,
> >>> Ben Chambers
> >>> _______________________________________________
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> >>> LLVMdev at cs.uiuc.edu         http://llvm.cs.uiuc.edu
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> >>>
> >>
> >> -Chris
> >>
> >> --
> >> http://nondot.org/sabre/
> >> http://llvm.org/
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>
> -Chris
>
> --
> http://nondot.org/sabre/
> http://llvm.org/
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