Add a method to check that the subprogram holds debug info for the given Function or not.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@69113 91177308-0d34-0410-b5e6-96231b3b80d8

1 files changed, 13 insertions, 0 deletions

diff --git a/lib/Analysis/DebugInfo.cpp b/lib/Analysis/DebugInfo.cpp
index 5a8e5cb90b..7db9b2f3bc 100644
--- a/lib/Analysis/DebugInfo.cpp
+++ b/lib/Analysis/DebugInfo.cpp
@@ -291,6 +291,19 @@ uint64_t DIDerivedType::getOriginalTypeSize() const {
   return BT.getSizeInBits();
 }
 
+/// describes - Return true if this subprogram provides debugging
+/// information for the function F.
+bool DISubprogram::describes(const Function *F) {
+  assert (F && "Invalid function");
+  std::string Name;
+  getLinkageName(Name);
+  if (Name.empty())
+    getName(Name);
+  if (!Name.empty() && (strcmp(Name.c_str(), F->getNameStart()) == false))
+    return true;
+  return false;
+}
+
 //===----------------------------------------------------------------------===//
 // DIFactory: Basic Helpers
 //===----------------------------------------------------------------------===//