From df89f0dbaae813cc0a0b388092f33530523aa8b0 Mon Sep 17 00:00:00 2001
From: David Blaikie <dblaikie@gmail.com>
Date: Fri, 10 Oct 2014 03:09:38 +0000
Subject: [PATCH] Avoid unnecessary map lookup/insertion.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@219466 91177308-0d34-0410-b5e6-96231b3b80d8
---
 lib/CodeGen/AsmPrinter/DwarfDebug.cpp | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/lib/CodeGen/AsmPrinter/DwarfDebug.cpp b/lib/CodeGen/AsmPrinter/DwarfDebug.cpp
index 62c82a397ec..b461674ad63 100644
--- a/lib/CodeGen/AsmPrinter/DwarfDebug.cpp
+++ b/lib/CodeGen/AsmPrinter/DwarfDebug.cpp
@@ -337,12 +337,12 @@ void DwarfDebug::constructAbstractSubprogramScopeDIE(LexicalScope *Scope) {
 
   DISubprogram SP(Scope->getScopeNode());
 
-  ProcessedSPNodes.insert(SP);
-
   DIE *&AbsDef = AbstractSPDies[SP];
   if (AbsDef)
     return;
 
+  ProcessedSPNodes.insert(SP);
+
   // Find the subprogram's DwarfCompileUnit in the SPMap in case the subprogram
   // was inlined from another compile unit.
   DwarfCompileUnit &SPCU = *SPMap[SP];