[llvm] r187002 - Debug Info: clean up.

[Manman Ren]

Author: mren
Date: Tue Jul 23 18:07:38 2013
New Revision: 187002

URL: http://llvm.org/viewvc/llvm-project?rev=187002&view=rev
Log:
Debug Info: clean up.

Modified:
    llvm/trunk/lib/IR/DebugInfo.cpp

Modified: llvm/trunk/lib/IR/DebugInfo.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/IR/DebugInfo.cpp?rev=187002&r1=187001&r2=187002&view=diff
==============================================================================
--- llvm/trunk/lib/IR/DebugInfo.cpp (original)
+++ llvm/trunk/lib/IR/DebugInfo.cpp Tue Jul 23 18:07:38 2013
@@ -661,9 +661,7 @@ MDNode *DISubprogram::getVariablesNodes(
 }
 
 DIArray DISubprogram::getVariables() const {
-  if (MDNode *T = getNodeField(DbgNode, 18))
-    return DIArray(T);
-  return DIArray();
+  return DIArray(getNodeField(DbgNode, 18));
 }
 
 Value *DITemplateValueParameter::getValue() const {
@@ -686,27 +684,21 @@ DIArray DICompileUnit::getEnumTypes() co
   if (!DbgNode || DbgNode->getNumOperands() < 13)
     return DIArray();
 
-  if (MDNode *N = getNodeField(DbgNode, 7))
-    return DIArray(N);
-  return DIArray();
+  return DIArray(getNodeField(DbgNode, 7));
 }
 
 DIArray DICompileUnit::getRetainedTypes() const {
   if (!DbgNode || DbgNode->getNumOperands() < 13)
     return DIArray();
 
-  if (MDNode *N = getNodeField(DbgNode, 8))
-    return DIArray(N);
-  return DIArray();
+  return DIArray(getNodeField(DbgNode, 8));
 }
 
 DIArray DICompileUnit::getSubprograms() const {
   if (!DbgNode || DbgNode->getNumOperands() < 13)
     return DIArray();
 
-  if (MDNode *N = getNodeField(DbgNode, 9))
-    return DIArray(N);
-  return DIArray();
+  return DIArray(getNodeField(DbgNode, 9));
 }
 
 
@@ -714,18 +706,14 @@ DIArray DICompileUnit::getGlobalVariable
   if (!DbgNode || DbgNode->getNumOperands() < 13)
     return DIArray();
 
-  if (MDNode *N = getNodeField(DbgNode, 10))
-    return DIArray(N);
-  return DIArray();
+  return DIArray(getNodeField(DbgNode, 10));
 }
 
 DIArray DICompileUnit::getImportedEntities() const {
   if (!DbgNode || DbgNode->getNumOperands() < 13)
     return DIArray();
 
-  if (MDNode *N = getNodeField(DbgNode, 11))
-    return DIArray(N);
-  return DIArray();
+  return DIArray(getNodeField(DbgNode, 11));
 }
 
 /// fixupSubprogramName - Replace contains special characters used