It's not that I think the bug will be forgotten (I don't), but if it's mostly related to clang trunk, I think the best place would be llvm.org/bugs .
But thanks for confirming and filing it. Regards, Filipe On Mon, Oct 29, 2012 at 10:17 AM, Greg Clayton <[email protected]> wrote: > Filipe, thanks for pointing this out. I filed a bug on this internally > here at apple (<rdar://problem/12592135>). > > Greg > > On Oct 26, 2012, at 12:28 PM, Filipe Cabecinhas <[email protected]> wrote: > > > So, we have a problem with the debug information: > > > > There are two TAG_inlined_subroutine DIEs for the ToT clang, one of them > with an AT_ranges. > > For the Xcode clang, we have three DIEs (which makes sense, since we > have three sum() calls). > > > > Example lldb interaction: > > Compiled with make CC=$(xcrun -f clang) > > ± ../../../../build/Debug/lldb a.out > > Current executable set to 'a.out' (x86_64). > > (lldb) b sum > > Breakpoint 1: 3 locations. > > (lldb) breakpoint list > > Current breakpoints: > > 1: name = 'sum', locations = 3 > > 1.1: where = a.out`foo(int, int) + 99 [inlined] sum(int, int) at > main.cpp:49, address = 0x0000000100000d43, unresolved, hit count = 0 > > 1.2: where = a.out`foo(int, int) + 131 [inlined] sum(int, int) at > main.cpp:51, address = 0x0000000100000d63, unresolved, hit count = 0 > > 1.3: where = a.out`foo(int, int) + 155 [inlined] sum(int, int) at > main.cpp:51, address = 0x0000000100000d7b, unresolved, hit count = 0 > > > > > > Compiled with make (clang is ToT): > > ± ../../../../build/Debug/lldb a.out > > Current executable set to 'a.out' (x86_64). > > (lldb) b sum > > Breakpoint 1: where = a.out`foo(int, int) + 99 [inlined] sum(int, int) > at main.cpp:49, address = 0x0000000100000d43 > > (lldb) breakpoint list > > Current breakpoints: > > 1: name = 'sum', locations = 1 > > 1.1: where = a.out`foo(int, int) + 99 [inlined] sum(int, int) at > main.cpp:49, address = 0x0000000100000d43, unresolved, hit count = 0 > > > > So, should we bring this to the clang bugs page? > > I'm sending the dwarfdump of both files attached. > > > > Regards, > > > > Filipe > > > > > > > > On Fri, Oct 26, 2012 at 12:19 PM, Filipe Cabecinhas <[email protected]> > wrote: > > Hi Jim, > > > > I just did an update to lldb and re-ran the test. Same result... > > > > But... > > > > If I use Xcode's clang (by passing -C $(xcrun -f clang)), it works. > > If I use ToT clang (just updated and ran make install), it fails. > > > > Attached are both log files. The problem is that, with ToT clang, > breakpoint location 2.2 doesn't exist. Only 2.1. > > > > Regards, > > > > Filipe > > > > > > > > > > On Thu, Oct 25, 2012 at 5:55 PM, Jim Ingham <[email protected]> wrote: > > This test case succeeds for me using TOT lldb and some fairly recent > clang. So it looks like the failure is due to some bug or difference in > the debug output. It would be easier to figure out what is going on if I > could reproduce the failure. What clang version are you using? > > > > Jim > > > > > > On Oct 25, 2012, at 4:41 PM, Filipe Cabecinhas <[email protected]> wrote: > > > > > Hi all, > > > > > > This test-case is failing (Mac OS X Mountain Lion, latest Xcode > released, built using xcodebuild): > > > ./dotest.py -v -d -A x86_64 -C clang -v -t -f > BreakpointIDTestCase.test_with_dsym > > > > > > From what I can tell, after LLDB finds the DIE that has the inlined > sum() function, it stops looking, although there is another inlined sum() > function. > > > With that, the breakpoint will only resolve to one location. > > > > > > At least I think that is what's happening. I'm not an expert on DWARF > ;-) > > > > > > Could you have a look at it, please? > > > > > > Thanks, > > > > > > Filipe > > > > > > _______________________________________________ > > > lldb-dev mailing list > > > [email protected] > > > http://lists.cs.uiuc.edu/mailman/listinfo/lldb-dev > > > > > > > > > > > <dwarfdump-ToT-clang.log><dwarfdump-Xcode-clang.log>_______________________________________________ > > lldb-dev mailing list > > [email protected] > > http://lists.cs.uiuc.edu/mailman/listinfo/lldb-dev > >
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