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DebugInfo: provide the ability to add members to a class after it has been constructed 

This is necessary to allow Clang to only emit implicit members when
there is code generated for them, rather than whenever they are ODR
used.

llvm-svn: 188082
This commit is contained in:
David Blaikie 2013-08-09 17:17:12 +00:00
parent eeeb4828bb
commit f103c2f946
2 changed files with 14 additions and 0 deletions
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1
llvm/include/llvm/DebugInfo.h
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@ -323,6 +323,7 @@ namespace llvm {
DIArray getTypeArray() const { return getFieldAs<DIArray>(10); }
void setTypeArray(DIArray Elements, DIArray TParams = DIArray());
void addMember(DISubprogram S);
unsigned getRunTimeLang() const { return getUnsignedField(11); }
DICompositeType getContainingType() const {
return getFieldAs<DICompositeType>(12);

13
llvm/lib/IR/DebugInfo.cpp
View File

@ -647,6 +647,19 @@ void DICompositeType::setTypeArray(DIArray Elements, DIArray TParams) {
DbgNode = N;
}
void DICompositeType::addMember(DISubprogram S) {
SmallVector<llvm::Value *, 16> M;
DIArray OrigM = getTypeArray();
unsigned Elements = OrigM.getNumElements();
if (Elements == 1 && !OrigM.getElement(0))
Elements = 0;
M.reserve(Elements + 1);
for (unsigned i = 0; i != Elements; ++i)
M.push_back(OrigM.getElement(i));
M.push_back(S);
setTypeArray(DIArray(MDNode::get(DbgNode->getContext(), M)));
}
/// \brief Set the containing type.
void DICompositeType::setContainingType(DICompositeType ContainingType) {
TrackingVH<MDNode> N(*this);