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Construct CompileUnits lazily.

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llvm-svn: 91159
This commit is contained in:
Devang Patel 2009-12-11 21:37:07 +00:00
parent 2e616e859b
commit 888cd4aa89
2 changed files with 12 additions and 10 deletions
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18
lib/CodeGen/AsmPrinter/DwarfDebug.cpp
View File

@ -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) {

4
lib/CodeGen/AsmPrinter/DwarfDebug.h
View File

@ -364,7 +364,7 @@ class DwarfDebug : public Dwarf {
/// findCompileUnit - Get the compile unit for the given descriptor.
///
CompileUnit &findCompileUnit(DICompileUnit Unit) const;
CompileUnit *findCompileUnit(DICompileUnit Unit);
/// getUpdatedDbgScope - Find or create DbgScope assicated with
/// the instruction. Initialize scope and update scope hierarchy.
@ -495,7 +495,7 @@ class DwarfDebug : public Dwarf {
/// as well.
unsigned GetOrCreateSourceID(StringRef DirName, StringRef FileName);
void constructCompileUnit(MDNode *N);
CompileUnit *constructCompileUnit(MDNode *N);
void constructGlobalVariableDIE(MDNode *N);