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Set appropriate context for a global variable while emitting debug info. 

llvm-svn: 83352
This commit is contained in:
Devang Patel 2009-10-06 00:35:31 +00:00
parent 333bb733a5
commit faf7e9ad24
2 changed files with 21 additions and 1 deletions
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19
clang/lib/CodeGen/CGDebugInfo.cpp
View File

@ -49,6 +49,22 @@ void CGDebugInfo::setLocation(SourceLocation Loc) {
CurLoc = M->getContext().getSourceManager().getInstantiationLoc(Loc);
}
/// getContext - Get context info for the decl.
llvm::DIDescriptor CGDebugInfo::getContext(const VarDecl *Decl,
llvm::DIDescriptor &CompileUnit) {
if (Decl->isFileVarDecl())
return CompileUnit;
if (Decl->getDeclContext()->isFunctionOrMethod()) {
// Find the last subprogram in region stack.
for (unsigned RI = RegionStack.size(), RE = 0; RI != RE; --RI) {
llvm::DIDescriptor R = RegionStack[RI - 1];
if (R.isSubprogram())
return R;
}
}
return CompileUnit;
}
/// getOrCreateCompileUnit - Get the compile unit from the cache or create a new
/// one if necessary. This returns null for invalid source locations.
llvm::DICompileUnit CGDebugInfo::getOrCreateCompileUnit(SourceLocation Loc) {
@ -1327,7 +1343,8 @@ void CGDebugInfo::EmitGlobalVariable(llvm::GlobalVariable *Var,
ArrayType::Normal, 0);
}
DebugFactory.CreateGlobalVariable(Unit, Name, Name, "", Unit, LineNo,
DebugFactory.CreateGlobalVariable(getContext(Decl, Unit),
Name, Name, "", Unit, LineNo,
getOrCreateType(T, Unit),
Var->hasInternalLinkage(),
true/*definition*/, Var);

3
clang/lib/CodeGen/CGDebugInfo.h
View File

@ -131,6 +131,9 @@ private:
void EmitDeclare(const BlockDeclRefExpr *BDRE, unsigned Tag, llvm::Value *AI,
CGBuilderTy &Builder, CodeGenFunction *CGF);
/// getContext - Get context info for the decl.
llvm::DIDescriptor getContext(const VarDecl *Decl,llvm::DIDescriptor &CU);
/// getOrCreateCompileUnit - Get the compile unit from the cache or create a
/// new one if necessary.
llvm::DICompileUnit getOrCreateCompileUnit(SourceLocation Loc);