commit 0bf164605dd83d65f6c510dad26449fcf9a79a51
author Devang Patel <dpatel@apple.com> Fri Jul 15 00:30:39 2011 +0000
committer Devang Patel <dpatel@apple.com> Fri Jul 15 00:30:39 2011 +0000
tree 246a9b34329410c8d5163f06be2cf722b92b4b6f
parent 291e767dcf19d60b8e774114efc6e10f2e022844

Do not get confused by multiple empty lexical scopes inlined at one location. 


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@135232 91177308-0d34-0410-b5e6-96231b3b80d8

lib/CodeGen/AsmPrinter/DwarfDebug.cpp

diff --git a/lib/CodeGen/AsmPrinter/DwarfDebug.cpp b/lib/CodeGen/AsmPrinter/DwarfDebug.cpp
index 03fb8d1..b7fc41b 100644
--- a/lib/CodeGen/AsmPrinter/DwarfDebug.cpp
+++ b/lib/CodeGen/AsmPrinter/DwarfDebug.cpp
@@ -1587,18 +1587,22 @@
   }
 
   getOrCreateAbstractScope(Scope);
-  DbgScope *WScope = DbgScopeMap.lookup(InlinedAt);
+  DbgScope *WScope = NULL;
+  const MDNode *Key = InlinedAt;
+  if (const MDNode *Nest = DILocation(InlinedAt).getOrigLocation())
+    Key = Nest;
+  WScope = DbgScopeMap.lookup(Key);
   if (WScope)
     return WScope;
 
   WScope = new DbgScope(NULL, DIDescriptor(Scope), InlinedAt);
-  DbgScopeMap.insert(std::make_pair(InlinedAt, WScope));
+  DbgScopeMap[Key] = WScope;
   DbgScope *Parent =
     getOrCreateDbgScope(DebugLoc::getFromDILocation(InlinedAt));
   WScope->setParent(Parent);
   Parent->addScope(WScope);
 
-  ConcreteScopes[InlinedAt] = WScope;
+  ConcreteScopes[Key] = WScope;
 
   return WScope;
 }
@@ -2083,8 +2087,12 @@
 
   DbgScope *Scope = NULL;
   LLVMContext &Ctx = Asm->MF->getFunction()->getContext();
-  if (const MDNode *IA = DL.getInlinedAt(Ctx))
-    Scope = ConcreteScopes.lookup(IA);
+  if (const MDNode *IA = DL.getInlinedAt(Ctx)) {
+    const MDNode *Key = IA;
+    if (const MDNode *Nest = DILocation(IA).getOrigLocation())
+      Key = Nest;
+    Scope = ConcreteScopes.lookup(Key);
+  }
   if (Scope == 0)
     Scope = DbgScopeMap.lookup(DL.getScope(Ctx));