[LLVMdev] Associate IR instruction with corresponding assembly
shruti padmanabha
shrupad at umich.edu
Mon May 19 08:22:47 PDT 2014
No. They're both from the 3.4 version of llvm.
Thanks,
Shruti
On Mon, May 19, 2014 at 11:01 AM, Eric Christopher <echristo at gmail.com>wrote:
> On Sun, May 18, 2014 at 10:28 PM, Tobias Grosser <tobias at grosser.es>
> wrote:
> > On 19/05/2014 00:54, shruti padmanabha wrote:
> >>
> >> Hi,
> >>
> >> Thanks for the pointer. I am unfortunately running into llc problems
> with
> >> this pass.
> >> I did
> >> *opt -debug-ir hello.bc -o hello.deb.bc*
> >>
> >> *llc -march=arm -debug -O0 hello.deb.bc -o hello.deb.s*
> >>
> >>
> >> This is aborting with the error: llc:
> >> llvm-3.4/lib/CodeGen/AsmPrinter/DwarfDebug.cpp:1614: void
> >> llvm::DwarfDebug::beginFunction(const llvm::MachineFunction*): Assertion
> >> `TheCU && "Unable to find compile unit!"' failed.
> >> I'm assuming this is because llc found some errors in the metadata that
> >> debug-ir prints out. How do I find and correct this?
> >
> >
> > This is indeed surprising. I have no idea where this is coming from. Does
> > this only happen on ARM? Can you attach the debug.bc file? Or even
> better,
> > open a bug report for that?
> >
> > I included Daniel who committed the -debug-ir pass as well as Eric who
> has
> > better knowledge about debug info than me.
> >
>
> Are you mixing versions of llc and opt? I.e. are they both built from
> the same version?
>
> -eric
>
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