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DIBuilder: add trackIfUnresolved() to all nodes that may be cyclic.

Browse Source 
Tested in clang/test/CodeGenObjCCXX/debug-info-cyclic.mm

rdar://problem/19839612

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@229521 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Adrian Prantl 2015-02-17 19:17:39 +00:00
parent 602706ee58
commit 07d4ebdc92
1 changed files with 14 additions and 3 deletions
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17
lib/IR/DIBuilder.cpp
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@ -414,7 +414,6 @@ DIDerivedType DIBuilder::createInheritance(DIType Ty, DIType BaseTy,
.get(VMContext),
nullptr, Ty.getRef(), BaseTy.getRef()};
auto R = DIDerivedType(MDNode::get(VMContext, Elts));
trackIfUnresolved(R);
return R;
}
@ -581,6 +580,7 @@ DICompositeType DIBuilder::createClassType(DIDescriptor Context, StringRef Name,
"createClassType should return a DICompositeType");
if (!UniqueIdentifier.empty())
retainType(R);
trackIfUnresolved(R);
return R;
}
@ -614,6 +614,7 @@ DICompositeType DIBuilder::createStructType(DIDescriptor Context,
"createStructType should return a DICompositeType");
if (!UniqueIdentifier.empty())
retainType(R);
trackIfUnresolved(R);
return R;
}
@ -642,6 +643,7 @@ DICompositeType DIBuilder::createUnionType(DIDescriptor Scope, StringRef Name,
DICompositeType R(MDNode::get(VMContext, Elts));
if (!UniqueIdentifier.empty())
retainType(R);
trackIfUnresolved(R);
return R;
}
@ -688,6 +690,7 @@ DICompositeType DIBuilder::createEnumerationType(
AllEnumTypes.push_back(CTy);
if (!UniqueIdentifier.empty())
retainType(CTy);
trackIfUnresolved(CTy);
return CTy;
}
@ -709,7 +712,9 @@ DICompositeType DIBuilder::createArrayType(uint64_t Size, uint64_t AlignInBits,
Ty.getRef(), Subscripts, nullptr, nullptr,
nullptr // Type Identifer
};
return DICompositeType(MDNode::get(VMContext, Elts));
DICompositeType R(MDNode::get(VMContext, Elts));
trackIfUnresolved(R);
return R;
}
DICompositeType DIBuilder::createVectorType(uint64_t Size, uint64_t AlignInBits,
@ -730,7 +735,9 @@ DICompositeType DIBuilder::createVectorType(uint64_t Size, uint64_t AlignInBits,
Ty.getRef(), Subscripts, nullptr, nullptr,
nullptr // Type Identifer
};
return DICompositeType(MDNode::get(VMContext, Elts));
DICompositeType R(MDNode::get(VMContext, Elts));
trackIfUnresolved(R);
return R;
}
static HeaderBuilder setTypeFlagsInHeader(StringRef Header,
@ -807,6 +814,7 @@ DIBuilder::createForwardDecl(unsigned Tag, StringRef Name, DIDescriptor Scope,
"createForwardDecl result should be a DIType");
if (!UniqueIdentifier.empty())
retainType(RetTy);
trackIfUnresolved(RetTy);
return RetTy;
}
@ -835,6 +843,7 @@ DICompositeType DIBuilder::createReplaceableCompositeType(
"createReplaceableForwardDecl result should be a DIType");
if (!UniqueIdentifier.empty())
retainType(RetTy);
trackIfUnresolved(RetTy);
return RetTy;
}
@ -1025,6 +1034,7 @@ DISubprogram DIBuilder::createFunction(DIDescriptor Context, StringRef Name,
// do not lose this mdnode.
if (isDefinition)
AllSubprograms.push_back(Node);
trackIfUnresolved(Node);
return Node;
});
}
@ -1080,6 +1090,7 @@ DISubprogram DIBuilder::createMethod(DIDescriptor Context, StringRef Name,
AllSubprograms.push_back(Node);
DISubprogram S(Node);
assert(S.isSubprogram() && "createMethod should return a valid DISubprogram");
trackIfUnresolved(S);
return S;
}