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| author | Bill Wendling <isanbard@gmail.com> | 2012-11-07 05:19:04 +0000 |
|---|---|---|
| committer | Bill Wendling <isanbard@gmail.com> | 2012-11-07 05:19:04 +0000 |
| commit | f720bf64d4bb572aa06092af301dee108f889731 (patch) | |
| tree | 6ee9358d76b8d96b92f5d0fdfff86b2961733c78 /llvm/lib/CodeGen | |
| parent | d9bb9b611bf569b35370caf20438ff9125125f9c (diff) | |
| download | bcm5719-llvm-f720bf64d4bb572aa06092af301dee108f889731.tar.gz bcm5719-llvm-f720bf64d4bb572aa06092af301dee108f889731.zip | |
Add comment describing what's going on here.
llvm-svn: 167525
Diffstat (limited to 'llvm/lib/CodeGen')
| -rw-r--r-- | llvm/lib/CodeGen/AsmPrinter/DwarfDebug.cpp | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/llvm/lib/CodeGen/AsmPrinter/DwarfDebug.cpp b/llvm/lib/CodeGen/AsmPrinter/DwarfDebug.cpp index e8c807ac5f1..367b5230792 100644 --- a/llvm/lib/CodeGen/AsmPrinter/DwarfDebug.cpp +++ b/llvm/lib/CodeGen/AsmPrinter/DwarfDebug.cpp @@ -307,8 +307,11 @@ DIE *DwarfDebug::updateSubprogramScopeDIE(CompileUnit *SPCU, assert(SPDie && "Unable to find subprogram DIE!"); DISubprogram SP(SPNode); - // Pick up abstract subprogram DIE. + // If we're updating an abstract DIE, then we will be adding the children and + // object pointer later on. But what we don't want to do is process the + // concrete DIE twice. if (DIE *AbsSPDIE = AbstractSPDies.lookup(SPNode)) { + // Pick up abstract subprogram DIE. SPDie = new DIE(dwarf::DW_TAG_subprogram); SPCU->addDIEEntry(SPDie, dwarf::DW_AT_abstract_origin, dwarf::DW_FORM_ref4, AbsSPDIE); |
