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...buggy. But -disable-legalize-types doesn't fix the problem. So the general legalize code seems to have the same issue. LLVM 2.5 compiles this fine, so it's something we've altered in the codebase. I did a diff of all of our changes to lib/CodeGen and include/llvm/CodeGen but nothing jumpoed out as obviously wrong. I suppose it's possible we present slightly different code to the legalize passes than the unmodified LLVM. Fun times, indeed. -Dave

On Thursday 03 September 2009 20:41, Eli Friedman wrote: > > My little testcase definitely has missing edges in the sched dag and > > sunit dag.  Where do edges from loads of globals to calls get added? > >  That's what's missing here. > > They should be there from the very beginning, when the selection dag is > built. Nope, not there. I've attached the

...galize-types doesn't fix the problem.  So the > general legalize code seems to have the same issue. > > LLVM 2.5 compiles this fine, so it's something we've altered in the codebase. > I did a diff of all of our changes to lib/CodeGen and include/llvm/CodeGen > but nothing jumpoed out as obviously wrong.  I suppose it's possible we > present slightly different code to the legalize passes than the unmodified > LLVM. > > Fun times, indeed. You might want to try the -debug dumps; it might be a bit easier to follow. -Eli

On Thu, Sep 3, 2009 at 5:55 PM, David Greene<dag at cray.com> wrote: > On Thursday 03 September 2009 18:22, David Greene wrote: > >> > Since scheduling and selection is mostly within a block, hopefully it >> > wouldn't be too hard to come up with a testcase? >> >> Yep, I've got a much reduced testcase now (and converted from Fortran >> to C