From f0d81a50bf4022d62297b842072fbcb5d29c345f Mon Sep 17 00:00:00 2001
From: "Duncan P. N. Exon Smith" <dexonsmith@apple.com>
Date: Sat, 11 Apr 2015 17:37:23 +0000
Subject: DebugInfo: Move DIScope::getName() and getContext() to MDScope

Continue gutting the `DIDescriptor` hierarchy.  In this case, move the
guts of `DIScope::getName()` and `DIScope::getContext()` to
`MDScope::getName()` and `MDScope::getScope()`.

llvm-svn: 234691
---
 llvm/lib/IR/DebugInfoMetadata.cpp | 30 ++++++++++++++++++++++++++++++
 1 file changed, 30 insertions(+)

(limited to 'llvm/lib/IR/DebugInfoMetadata.cpp')

diff --git a/llvm/lib/IR/DebugInfoMetadata.cpp b/llvm/lib/IR/DebugInfoMetadata.cpp
index 6ce091f54d1..e98be8ed6e7 100644
--- a/llvm/lib/IR/DebugInfoMetadata.cpp
+++ b/llvm/lib/IR/DebugInfoMetadata.cpp
@@ -108,6 +108,36 @@ unsigned DebugNode::splitFlags(unsigned Flags,
   return Flags;
 }
 
+MDScopeRef MDScope::getScope() const {
+  if (auto *T = dyn_cast<MDType>(this))
+    return T->getScope();
+
+  if (auto *SP = dyn_cast<MDSubprogram>(this))
+    return SP->getScope();
+
+  if (auto *LB = dyn_cast<MDLexicalBlockBase>(this))
+    return MDScopeRef(LB->getScope());
+
+  if (auto *NS = dyn_cast<MDNamespace>(this))
+    return MDScopeRef(NS->getScope());
+
+  assert((isa<MDFile>(this) || isa<MDCompileUnit>(this)) &&
+         "Unhandled type of scope.");
+  return nullptr;
+}
+
+StringRef MDScope::getName() const {
+  if (auto *T = dyn_cast<MDType>(this))
+    return T->getName();
+  if (auto *SP = dyn_cast<MDSubprogram>(this))
+    return SP->getName();
+  if (auto *NS = dyn_cast<MDNamespace>(this))
+    return NS->getName();
+  assert((isa<MDLexicalBlockBase>(this) || isa<MDFile>(this) ||
+          isa<MDCompileUnit>(this)) &&
+         "Unhandled type of scope.");
+  return "";
+}
 
 static StringRef getString(const MDString *S) {
   if (S)
-- 
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