llvm-readobj: Do not print NULL StringRefs

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@180005 91177308-0d34-0410-b5e6-96231b3b80d8

3 files changed, 10 insertions, 11 deletions

diff --git a/tools/llvm-readobj/COFFDumper.cpp b/tools/llvm-readobj/COFFDumper.cpp
index d600bc3..56885c6 100644
--- a/tools/llvm-readobj/COFFDumper.cpp
+++ b/tools/llvm-readobj/COFFDumper.cpp
@@ -726,9 +726,9 @@ void COFFDumper::printSymbol(symbol_iterator SymI) {
   if (Obj->getSymbolName(Symbol, SymbolName))
     SymbolName = "";
 
-  StringRef SectionName;
-  if (Section && Obj->getSectionName(Section, SectionName))
-    SectionName = "";
+  StringRef SectionName = "";
+  if (Section)
+    Obj->getSectionName(Section, SectionName);
 
   W.printString("Name", SymbolName);
   W.printNumber("Value", Symbol->Value);
diff --git a/tools/llvm-readobj/ELFDumper.cpp b/tools/llvm-readobj/ELFDumper.cpp
index 3757b09..f771cbd 100644
--- a/tools/llvm-readobj/ELFDumper.cpp
+++ b/tools/llvm-readobj/ELFDumper.cpp
@@ -643,9 +643,9 @@ void ELFDumper<ELFT>::printSymbol(symbol_iterator SymI, bool IsDynamic) {
   if (SymI->getName(SymbolName))
     SymbolName = "";
 
-  StringRef SectionName;
-  if (Section && Obj->getSectionName(Section, SectionName))
-    SectionName = "";
+  StringRef SectionName = "";
+  if (Section)
+    Obj->getSectionName(Section, SectionName);
 
   std::string FullSymbolName(SymbolName);
   if (IsDynamic) {
diff --git a/tools/llvm-readobj/MachODumper.cpp b/tools/llvm-readobj/MachODumper.cpp
index 54de49c..10e53d9 100644
--- a/tools/llvm-readobj/MachODumper.cpp
+++ b/tools/llvm-readobj/MachODumper.cpp
@@ -406,12 +406,11 @@ void MachODumper::printSymbol(symbol_iterator SymI) {
   MachOSymbol Symbol;
   getSymbol(Obj, SymI->getRawDataRefImpl(), Symbol);
 
-  StringRef SectionName;
+  StringRef SectionName = "";
   section_iterator SecI(Obj->end_sections());
-  if (error(SymI->getSection(SecI)) ||
-      SecI == Obj->end_sections() ||
-      error(SecI->getName(SectionName)))
-    SectionName = "";
+  if (!error(SymI->getSection(SecI)) &&
+      SecI != Obj->end_sections())
+      error(SecI->getName(SectionName));
 
   DictScope D(W, "Symbol");
   W.printNumber("Name", SymbolName, Symbol.StringIndex);