diff options
| author | Devang Patel <dpatel@apple.com> | 2009-12-11 21:37:07 +0000 |
|---|---|---|
| committer | Devang Patel <dpatel@apple.com> | 2009-12-11 21:37:07 +0000 |
| commit | d037d7a497caa4d66008723de72fb554ca0ae630 (patch) | |
| tree | 80ad34667118118e204296ae6f129b3440a546c3 /lib/CodeGen/AsmPrinter/DwarfDebug.cpp | |
| parent | 87862e77bbf90cf1b68c9eea1f3641ad81435e38 (diff) | |
Construct CompileUnits lazily.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@91159 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/CodeGen/AsmPrinter/DwarfDebug.cpp')
| -rw-r--r-- | lib/CodeGen/AsmPrinter/DwarfDebug.cpp | 18 |
1 files changed, 10 insertions, 8 deletions
diff --git a/lib/CodeGen/AsmPrinter/DwarfDebug.cpp b/lib/CodeGen/AsmPrinter/DwarfDebug.cpp index 1cd28db119..0b1a1960ff 100644 --- a/lib/CodeGen/AsmPrinter/DwarfDebug.cpp +++ b/lib/CodeGen/AsmPrinter/DwarfDebug.cpp @@ -393,7 +393,7 @@ void DwarfDebug::addSourceLine(DIE *Die, const DIVariable *V) { return; unsigned Line = V->getLineNumber(); - unsigned FileID = findCompileUnit(V->getCompileUnit()).getID(); + unsigned FileID = findCompileUnit(V->getCompileUnit())->getID(); assert(FileID && "Invalid file id"); addUInt(Die, dwarf::DW_AT_decl_file, 0, FileID); addUInt(Die, dwarf::DW_AT_decl_line, 0, Line); @@ -407,7 +407,7 @@ void DwarfDebug::addSourceLine(DIE *Die, const DIGlobal *G) { return; unsigned Line = G->getLineNumber(); - unsigned FileID = findCompileUnit(G->getCompileUnit()).getID(); + unsigned FileID = findCompileUnit(G->getCompileUnit())->getID(); assert(FileID && "Invalid file id"); addUInt(Die, dwarf::DW_AT_decl_file, 0, FileID); addUInt(Die, dwarf::DW_AT_decl_line, 0, Line); @@ -425,7 +425,7 @@ void DwarfDebug::addSourceLine(DIE *Die, const DISubprogram *SP) { unsigned Line = SP->getLineNumber(); - unsigned FileID = findCompileUnit(SP->getCompileUnit()).getID(); + unsigned FileID = findCompileUnit(SP->getCompileUnit())->getID(); assert(FileID && "Invalid file id"); addUInt(Die, dwarf::DW_AT_decl_file, 0, FileID); addUInt(Die, dwarf::DW_AT_decl_line, 0, Line); @@ -440,7 +440,7 @@ void DwarfDebug::addSourceLine(DIE *Die, const DIType *Ty) { return; unsigned Line = Ty->getLineNumber(); - unsigned FileID = findCompileUnit(CU).getID(); + unsigned FileID = findCompileUnit(CU)->getID(); assert(FileID && "Invalid file id"); addUInt(Die, dwarf::DW_AT_decl_file, 0, FileID); addUInt(Die, dwarf::DW_AT_decl_line, 0, Line); @@ -1214,11 +1214,12 @@ DIE *DwarfDebug::createSubprogramDIE(const DISubprogram &SP) { /// findCompileUnit - Get the compile unit for the given descriptor. /// -CompileUnit &DwarfDebug::findCompileUnit(DICompileUnit Unit) const { +CompileUnit *DwarfDebug::findCompileUnit(DICompileUnit Unit) { DenseMap<Value *, CompileUnit *>::const_iterator I = CompileUnitMap.find(Unit.getNode()); - assert(I != CompileUnitMap.end() && "Missing compile unit."); - return *I->second; + if (I == CompileUnitMap.end()) + return constructCompileUnit(Unit.getNode()); + return I->second; } /// getUpdatedDbgScope - Find or create DbgScope assicated with the instruction. @@ -1579,7 +1580,7 @@ unsigned DwarfDebug::GetOrCreateSourceID(StringRef DirName, StringRef FileName) return SrcId; } -void DwarfDebug::constructCompileUnit(MDNode *N) { +CompileUnit *DwarfDebug::constructCompileUnit(MDNode *N) { DICompileUnit DIUnit(N); StringRef FN = DIUnit.getFilename(); StringRef Dir = DIUnit.getDirectory(); @@ -1618,6 +1619,7 @@ void DwarfDebug::constructCompileUnit(MDNode *N) { CompileUnitMap[DIUnit.getNode()] = Unit; CompileUnits.push_back(Unit); + return Unit; } void DwarfDebug::constructGlobalVariableDIE(MDNode *N) { |