Recommit, with fixes:
Add some support for dealing with an object pointer on arguments.
Part of rdar://9797999
which now supports adding the object pointer attribute to the
subprogram as it should.
llvm-svn: 163754
diff --git a/llvm/lib/VMCore/DIBuilder.cpp b/llvm/lib/VMCore/DIBuilder.cpp
index f5894e9..6a29a023 100644
--- a/llvm/lib/VMCore/DIBuilder.cpp
+++ b/llvm/lib/VMCore/DIBuilder.cpp
@@ -640,6 +640,30 @@
return DIType(MDNode::get(VMContext, Elts));
}
+/// createArtificialType - Create a new DIType with "artificial" flag set.
+DIType DIBuilder::createObjectPointerType(DIType Ty) {
+ if (Ty.isObjectPointer())
+ return Ty;
+
+ SmallVector<Value *, 9> Elts;
+ MDNode *N = Ty;
+ assert (N && "Unexpected input DIType!");
+ for (unsigned i = 0, e = N->getNumOperands(); i != e; ++i) {
+ if (Value *V = N->getOperand(i))
+ Elts.push_back(V);
+ else
+ Elts.push_back(Constant::getNullValue(Type::getInt32Ty(VMContext)));
+ }
+
+ unsigned CurFlags = Ty.getFlags();
+ CurFlags = CurFlags | (DIType::FlagObjectPointer | DIType::FlagArtificial);
+
+ // Flags are stored at this slot.
+ Elts[8] = ConstantInt::get(Type::getInt32Ty(VMContext), CurFlags);
+
+ return DIType(MDNode::get(VMContext, Elts));
+}
+
/// retainType - Retain DIType in a module even if it is not referenced
/// through debug info anchors.
void DIBuilder::retainType(DIType T) {