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> On 2015-Jan-19, at 12:38, Frédéric Riss <friss at apple.com> wrote: > > >> On Jan 19, 2015, at 12:04 PM, Christian Schafmeister <chris.schaf at verizon.net> wrote: >> >> >> I forgot to mention this in my initial email. >> >> The build of LLVM that I was using was commit a0d5d7aed8e177cea381b3d054d80c212ece9f2c >> The date on the

...Here’s the most illuminating debugging information I could pull out of a frame: (lldb) frame #6: 0x0000000103a67c3e clasp_boehm_d`llvm::DIDescriptor::replaceAllUsesWith(this=0x00007fff5fb9e288, D=0x000000010985b330) + 254 at DebugInfo.cpp:399 396 MDNode *Node = const_cast<MDNode *>(DbgNode); 397 const MDNode *DN = D; 398 const Value *V = cast_or_null<Value>(DN); -> 399 Node->replaceAllUsesWith(const_cast<Value *>(V)); 400 MDNode::deleteTemporary(Node); 401 } 402 (lldb) print Node (llvm::MDNode *) $3 = 0x00000001180b74c0 (lldb) call Node...

...*TheCU = getCompileUnit(InlinedSP); DIE *OriginDIE = TheCU->getDIE(InlinedSP); assert(OriginDIE && *"Unable to find Origin DIE!"*); addDIEEntry(ScopeDIE, dwarf::DW_AT_abstract_origin, *dwarf*::DW_FORM_ref4, OriginDIE); What's happening is that InlinedSP.DbgNode is NULL, which causes getCompileUnit() to assert. Note that this occurs in both llc and my linker (tartln) because they both use the same set of passes to generate machine code. So basically whenever I want to debug, I have to disable inlining. Devang >> >> >>> i6 4 m...

...formation I could pull out of a frame: >> >> >> (lldb) >> frame #6: 0x0000000103a67c3e clasp_boehm_d`llvm::DIDescriptor::replaceAllUsesWith(this=0x00007fff5fb9e288, D=0x000000010985b330) + 254 at DebugInfo.cpp:399 >> 396 MDNode *Node = const_cast<MDNode *>(DbgNode); >> 397 const MDNode *DN = D; >> 398 const Value *V = cast_or_null<Value>(DN); >> -> 399 Node->replaceAllUsesWith(const_cast<Value *>(V)); >> 400 MDNode::deleteTemporary(Node); >> 401 } >> 402 >> (lldb) print Node >...

...x102e14090, Attribute=73, Entry=0x10302a9d0) at >> /Users/manmanren/llvm_git/llvm/lib/CodeGen/AsmPrinter/DwarfDebug.cpp:3071 >> #6 0x0000000100b040e0 in llvm::CompileUnit::addType (this=0x102e13ec0, >> Entity=0x102e14090, Ty={<llvm::DIScope> = {<llvm::DIDescriptor> = {DbgNode >> = 0x102e05f30}, <No data fields>}, <No data fields>}, Attribute=73) at >> /Users/manmanren/llvm_git/llvm/lib/CodeGen/AsmPrinter/DwarfCompileUnit.cpp:910 >> #7 0x0000000100b05bff in llvm::CompileUnit::createGlobalVariableDIE >> (this=0x102e13ec0, N=0x102e068c0...

...ry (this=0x103023600, Die=0x102e14090, Attribute=73, Entry=0x10302a9d0) at /Users/manmanren/llvm_git/llvm/lib/CodeGen/AsmPrinter/DwarfDebug.cpp:3071 #6 0x0000000100b040e0 in llvm::CompileUnit::addType (this=0x102e13ec0, Entity=0x102e14090, Ty={<llvm::DIScope> = {<llvm::DIDescriptor> = {DbgNode = 0x102e05f30}, <No data fields>}, <No data fields>}, Attribute=73) at /Users/manmanren/llvm_git/llvm/lib/CodeGen/AsmPrinter/DwarfCompileUnit.cpp:910 #7 0x0000000100b05bff in llvm::CompileUnit::createGlobalVariableDIE (this=0x102e13ec0, N=0x102e068c0) at /Users/manmanren/llvm_git/llvm/...

On Tue, Nov 9, 2010 at 9:04 AM, Devang Patel <dpatel at apple.com> wrote: > > > On Nov 8, 2010, at 10:52 PM, Talin <viridia at gmail.com> wrote: > > On Mon, Nov 8, 2010 at 9:56 AM, Devang Patel < <dpatel at apple.com> > dpatel at apple.com> wrote: > >> >> On Nov 6, 2010, at 7:35 PM, Talin wrote: >> >> After to speaking to Devang

...x102e14090, Attribute=73, Entry=0x10302a9d0) at >> /Users/manmanren/llvm_git/llvm/lib/CodeGen/AsmPrinter/DwarfDebug.cpp:3071 >> #6 0x0000000100b040e0 in llvm::CompileUnit::addType (this=0x102e13ec0, >> Entity=0x102e14090, Ty={<llvm::DIScope> = {<llvm::DIDescriptor> = {DbgNode >> = 0x102e05f30}, <No data fields>}, <No data fields>}, Attribute=73) at >> /Users/manmanren/llvm_git/llvm/lib/CodeGen/AsmPrinter/DwarfCompileUnit.cpp:910 >> #7 0x0000000100b05bff in llvm::CompileUnit::createGlobalVariableDIE >> (this=0x102e13ec0, N=0x102e068c0...

..., > Die=0x102e14090, Attribute=73, Entry=0x10302a9d0) at > /Users/manmanren/llvm_git/llvm/lib/CodeGen/AsmPrinter/DwarfDebug.cpp:3071 > #6 0x0000000100b040e0 in llvm::CompileUnit::addType (this=0x102e13ec0, > Entity=0x102e14090, Ty={<llvm::DIScope> = {<llvm::DIDescriptor> = {DbgNode > = 0x102e05f30}, <No data fields>}, <No data fields>}, Attribute=73) at > /Users/manmanren/llvm_git/llvm/lib/CodeGen/AsmPrinter/DwarfCompileUnit.cpp:910 > #7 0x0000000100b05bff in llvm::CompileUnit::createGlobalVariableDIE > (this=0x102e13ec0, N=0x102e068c0) at > /Users...

..., Entry=0x10302a9d0) at >>>> /Users/manmanren/llvm_git/llvm/lib/CodeGen/AsmPrinter/DwarfDebug.cpp:3071 >>>> #6 0x0000000100b040e0 in llvm::CompileUnit::addType (this=0x102e13ec0, >>>> Entity=0x102e14090, Ty={<llvm::DIScope> = {<llvm::DIDescriptor> = {DbgNode >>>> = 0x102e05f30}, <No data fields>}, <No data fields>}, Attribute=73) at >>>> /Users/manmanren/llvm_git/llvm/lib/CodeGen/AsmPrinter/DwarfCompileUnit.cpp:910 >>>> #7 0x0000000100b05bff in llvm::CompileUnit::createGlobalVariableDIE >>>>...

...Attribute=73, Entry=0x10302a9d0) at >>> /Users/manmanren/llvm_git/llvm/lib/CodeGen/AsmPrinter/DwarfDebug.cpp:3071 >>> #6 0x0000000100b040e0 in llvm::CompileUnit::addType (this=0x102e13ec0, >>> Entity=0x102e14090, Ty={<llvm::DIScope> = {<llvm::DIDescriptor> = {DbgNode >>> = 0x102e05f30}, <No data fields>}, <No data fields>}, Attribute=73) at >>> /Users/manmanren/llvm_git/llvm/lib/CodeGen/AsmPrinter/DwarfCompileUnit.cpp:910 >>> #7 0x0000000100b05bff in llvm::CompileUnit::createGlobalVariableDIE >>> (this=0x102e13ec...

..., > Die=0x102e14090, Attribute=73, Entry=0x10302a9d0) at > /Users/manmanren/llvm_git/llvm/lib/CodeGen/AsmPrinter/DwarfDebug.cpp:3071 > #6 0x0000000100b040e0 in llvm::CompileUnit::addType (this=0x102e13ec0, > Entity=0x102e14090, Ty={<llvm::DIScope> = {<llvm::DIDescriptor> = {DbgNode > = 0x102e05f30}, <No data fields>}, <No data fields>}, Attribute=73) at > /Users/manmanren/llvm_git/llvm/lib/CodeGen/AsmPrinter/DwarfCompileUnit.cpp:910 > #7 0x0000000100b05bff in llvm::CompileUnit::createGlobalVariableDIE > (this=0x102e13ec0, N=0x102e068c0) at > /Users...

...gt;>> /Users/manmanren/llvm_git/llvm/lib/CodeGen/AsmPrinter/DwarfDebug.cpp:3071 >>>>> #6 0x0000000100b040e0 in llvm::CompileUnit::addType >>>>> (this=0x102e13ec0, Entity=0x102e14090, Ty={<llvm::DIScope> = >>>>> {<llvm::DIDescriptor> = {DbgNode = 0x102e05f30}, <No data fields>}, <No >>>>> data fields>}, Attribute=73) at >>>>> /Users/manmanren/llvm_git/llvm/lib/CodeGen/AsmPrinter/DwarfCompileUnit.cpp:910 >>>>> #7 0x0000000100b05bff in llvm::CompileUnit::createGlobalVariableDIE >&...

.../Users/manmanren/llvm_git/llvm/lib/CodeGen/AsmPrinter/DwarfDebug.cpp:3071 >>>>>> #6 0x0000000100b040e0 in llvm::CompileUnit::addType >>>>>> (this=0x102e13ec0, Entity=0x102e14090, Ty={<llvm::DIScope> = >>>>>> {<llvm::DIDescriptor> = {DbgNode = 0x102e05f30}, <No data fields>}, <No data >>>>>> fields>}, Attribute=73) at >>>>>> /Users/manmanren/llvm_git/llvm/lib/CodeGen/AsmPrinter/DwarfCompileUnit.cpp:910 >>>>>> #7 0x0000000100b05bff in llvm::CompileUnit::createGlobalVaria...

...gt;>> /Users/manmanren/llvm_git/llvm/lib/CodeGen/AsmPrinter/DwarfDebug.cpp:3071 >>>>> #6 0x0000000100b040e0 in llvm::CompileUnit::addType >>>>> (this=0x102e13ec0, Entity=0x102e14090, Ty={<llvm::DIScope> = >>>>> {<llvm::DIDescriptor> = {DbgNode = 0x102e05f30}, <No data fields>}, <No >>>>> data fields>}, Attribute=73) at >>>>> /Users/manmanren/llvm_git/llvm/lib/CodeGen/AsmPrinter/DwarfCompileUnit.cpp:910 >>>>> #7 0x0000000100b05bff in llvm::CompileUnit::createGlobalVariableDIE >&...

.../Users/manmanren/llvm_git/llvm/lib/CodeGen/AsmPrinter/DwarfDebug.cpp:3071 >>>>>> #6 0x0000000100b040e0 in llvm::CompileUnit::addType >>>>>> (this=0x102e13ec0, Entity=0x102e14090, Ty={<llvm::DIScope> = >>>>>> {<llvm::DIDescriptor> = {DbgNode = 0x102e05f30}, <No data fields>}, <No >>>>>> data fields>}, Attribute=73) at >>>>>> /Users/manmanren/llvm_git/llvm/lib/CodeGen/AsmPrinter/DwarfCompileUnit.cpp:910 >>>>>> #7 0x0000000100b05bff in llvm::CompileUnit::createGlobalVaria...

...nren/llvm_git/llvm/lib/CodeGen/AsmPrinter/DwarfDebug.cpp:3071 >>>>>>> #6 0x0000000100b040e0 in llvm::CompileUnit::addType >>>>>>> (this=0x102e13ec0, Entity=0x102e14090, Ty={<llvm::DIScope> = >>>>>>> {<llvm::DIDescriptor> = {DbgNode = 0x102e05f30}, <No data fields>}, <No >>>>>>> data fields>}, Attribute=73) at >>>>>>> /Users/manmanren/llvm_git/llvm/lib/CodeGen/AsmPrinter/DwarfCompileUnit.cpp:910 >>>>>>> #7 0x0000000100b05bff in llvm::CompileUnit::creat...

...t/llvm/lib/CodeGen/AsmPrinter/DwarfDebug.cpp:3071 >>>>>>>> #6 0x0000000100b040e0 in llvm::CompileUnit::addType >>>>>>>> (this=0x102e13ec0, Entity=0x102e14090, Ty={<llvm::DIScope> = >>>>>>>> {<llvm::DIDescriptor> = {DbgNode = 0x102e05f30}, <No data fields>}, <No >>>>>>>> data fields>}, Attribute=73) at >>>>>>>> /Users/manmanren/llvm_git/llvm/lib/CodeGen/AsmPrinter/DwarfCompileUnit.cpp:910 >>>>>>>> #7 0x0000000100b05bff in >>>...

...odeGen/AsmPrinter/DwarfDebug.cpp:3071 >>>>>>>>> #6 0x0000000100b040e0 in llvm::CompileUnit::addType >>>>>>>>> (this=0x102e13ec0, Entity=0x102e14090, Ty={<llvm::DIScope> = >>>>>>>>> {<llvm::DIDescriptor> = {DbgNode = 0x102e05f30}, <No data fields>}, <No >>>>>>>>> data fields>}, Attribute=73) at >>>>>>>>> /Users/manmanren/llvm_git/llvm/lib/CodeGen/AsmPrinter/DwarfCompileUnit.cpp:910 >>>>>>>>> #7 0x0000000100b05bff in...

...erify - Verify that a subprogram descriptor is well formed. bool DISubprogram::Verify(int MAP) const { if (!isSubprogram()) return false; if (getContext() && !getContext().Verify()) return false; DICompositeType Ty = getType(); if (!Ty.Verify(MAP)) return false; return DbgNode->getNumOperands() == 20; } > Those parts of the codebase actually trying to handle debug info > should be handling valid debug info to begin with - we shouldn't need > to call "Verify" all over the place & behave differently (at most it > should be an assert - but...