[llvm] r210233 - DebugInfo: Roll argument insertion into variable insertion to ensure arguments are correctly handled in all cases.

[David Blaikie]

Author: dblaikie
Date: Wed Jun  4 20:04:20 2014
New Revision: 210233

URL: http://llvm.org/viewvc/llvm-project?rev=210233&view=rev
Log:
DebugInfo: Roll argument insertion into variable insertion to ensure arguments are correctly handled in all cases.

No functional change intended.

Modified:
    llvm/trunk/lib/CodeGen/AsmPrinter/DwarfDebug.cpp

Modified: llvm/trunk/lib/CodeGen/AsmPrinter/DwarfDebug.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/CodeGen/AsmPrinter/DwarfDebug.cpp?rev=210233&r1=210232&r2=210233&view=diff
==============================================================================
--- llvm/trunk/lib/CodeGen/AsmPrinter/DwarfDebug.cpp (original)
+++ llvm/trunk/lib/CodeGen/AsmPrinter/DwarfDebug.cpp Wed Jun  4 20:04:20 2014
@@ -1134,8 +1134,7 @@ void DwarfDebug::collectVariableInfoFrom
     DbgVariable *AbsDbgVariable = findAbstractVariable(DV, VI.Loc);
     DbgVariable *RegVar = new DbgVariable(DV, AbsDbgVariable, this);
     RegVar->setFrameIndex(VI.Slot);
-    if (!addCurrentFnArgument(RegVar, Scope))
-      addScopeVariable(Scope, RegVar);
+    addScopeVariable(Scope, RegVar);
   }
 }
 
@@ -1202,8 +1201,7 @@ DwarfDebug::collectVariableInfo(SmallPtr
     assert(MInsn->isDebugValue() && "History must begin with debug value");
     DbgVariable *AbsVar = findAbstractVariable(DV, Scope->getScopeNode());
     DbgVariable *RegVar = new DbgVariable(MInsn, AbsVar, this);
-    if (!addCurrentFnArgument(RegVar, Scope))
-      addScopeVariable(Scope, RegVar);
+    addScopeVariable(Scope, RegVar);
 
     // Check if the first DBG_VALUE is valid for the rest of the function.
     if (Ranges.size() == 1 && Ranges.front().second == nullptr)
@@ -1257,8 +1255,7 @@ DwarfDebug::collectVariableInfo(SmallPtr
     if (LexicalScope *Scope = LScopes.findLexicalScope(DV.getContext())) {
       auto *RegVar = new DbgVariable(
           DV, findAbstractVariable(DV, Scope->getScopeNode()), this);
-      if (!addCurrentFnArgument(RegVar, Scope))
-        addScopeVariable(Scope, RegVar);
+      addScopeVariable(Scope, RegVar);
     }
   }
 }
@@ -1462,6 +1459,8 @@ void DwarfDebug::beginFunction(const Mac
 }
 
 void DwarfDebug::addScopeVariable(LexicalScope *LS, DbgVariable *Var) {
+  if (addCurrentFnArgument(Var, LS))
+    return;
   SmallVectorImpl<DbgVariable *> &Vars = ScopeVariables[LS];
   DIVariable DV = Var->getVariable();
   // Variables with positive arg numbers are parameters.