[LLVMdev] Adding an object to llc (analysis pass)

[Silken Tiger]

Hi
Am Dienstag, 30. Mai 2006 19:21 schrieb Chris Lattner:
> On Tue, 30 May 2006, Silken Tiger wrote:
> > Everthing now compiles fine, but when running llc with invoking my own
> > backend derived from the cbackend i get the following error:
> > namespace llvm {
> >        class MParSchedule : public BasicBlockPass {
> >                public:
> >
> > This pass has been tested as optimization pass with opt, and everything
> > worked in this configuration.
>
> What requires MParSchedule?  Note that, since it's a basic block pass,
> only other basic block passes can require it.  If you have a FunctionPass
> that requires a BasicBlockPass, it will fail the same was as when a
> ModulePass requires a FunctionPass.
void MParSchedule::getAnalysisUsage(AnalysisUsage &AU) const {
        AU.setPreservesAll();
}

MParSchedule requires nothing and changes nothing. So hopefully the above code 
represents this fact?

I also did an make clean && make in my llvm root directory to check if this is 
a build system problem. Which it is not.

For easier reference i just attached the files of this pass to this mail. They 
are under GPL.

Best Regards
ST
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