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-rw-r--r--lib/IR/Metadata.cpp18
1 files changed, 18 insertions, 0 deletions
diff --git a/lib/IR/Metadata.cpp b/lib/IR/Metadata.cpp
index 748a2238e642..62c2aa86f3b0 100644
--- a/lib/IR/Metadata.cpp
+++ b/lib/IR/Metadata.cpp
@@ -1497,6 +1497,24 @@ void GlobalObject::addTypeMetadata(unsigned Offset, Metadata *TypeID) {
TypeID}));
}
+void GlobalObject::addVCallVisibilityMetadata(VCallVisibility Visibility) {
+ addMetadata(LLVMContext::MD_vcall_visibility,
+ *MDNode::get(getContext(),
+ {ConstantAsMetadata::get(ConstantInt::get(
+ Type::getInt64Ty(getContext()), Visibility))}));
+}
+
+GlobalObject::VCallVisibility GlobalObject::getVCallVisibility() const {
+ if (MDNode *MD = getMetadata(LLVMContext::MD_vcall_visibility)) {
+ uint64_t Val = cast<ConstantInt>(
+ cast<ConstantAsMetadata>(MD->getOperand(0))->getValue())
+ ->getZExtValue();
+ assert(Val <= 2 && "unknown vcall visibility!");
+ return (VCallVisibility)Val;
+ }
+ return VCallVisibility::VCallVisibilityPublic;
+}
+
void Function::setSubprogram(DISubprogram *SP) {
setMetadata(LLVMContext::MD_dbg, SP);
}