simplify loop

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@59406 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/lib/Transforms/IPO/StripSymbols.cpp b/lib/Transforms/IPO/StripSymbols.cpp
index 80b48057b5fdb3c25f33088c5ace9ebd0e1d3cd7..a073ccea9593ed92b07555eb5518a585da5b7fa6 100644 (file)
--- a/lib/Transforms/IPO/StripSymbols.cpp
+++ b/lib/Transforms/IPO/StripSymbols.cpp
@@ -276,11 +276,8 @@ bool StripSymbols::StripDebugInfo(Module &M) {
 
   // Remove all llvm.dbg types.
   TypeSymbolTable &ST = M.getTypeSymbolTable();
-  TypeSymbolTable::iterator TI = ST.begin();
-  TypeSymbolTable::iterator TE = ST.end();
-  while ( TI != TE ) {
-    const std::string &Name = TI->first;
-    if (!strncmp(Name.c_str(), "llvm.dbg.", 9))
+  for (TypeSymbolTable::iterator TI = ST.begin(), TE = ST.end(); TI != TE; ) {
+    if (!strncmp(TI->first.c_str(), "llvm.dbg.", 9))
       ST.remove(TI++);
     else 
       ++TI;