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

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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.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@188082 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
David Blaikie 2013-08-09 17:17:12 +00:00
parent 5752b08aef
commit 8328b6932f
2 changed files with 14 additions and 0 deletions
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1
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
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);