[llvm] r314574 - Add comments

[Adrian Prantl via llvm-commits]

Author: adrian
Date: Fri Sep 29 17:22:21 2017
New Revision: 314574

URL: http://llvm.org/viewvc/llvm-project?rev=314574&view=rev
Log:
Add comments

Modified:
    llvm/trunk/tools/llvm-dwarfdump/llvm-dwarfdump.cpp

Modified: llvm/trunk/tools/llvm-dwarfdump/llvm-dwarfdump.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/tools/llvm-dwarfdump/llvm-dwarfdump.cpp?rev=314574&r1=314573&r2=314574&view=diff
==============================================================================
--- llvm/trunk/tools/llvm-dwarfdump/llvm-dwarfdump.cpp (original)
+++ llvm/trunk/tools/llvm-dwarfdump/llvm-dwarfdump.cpp Fri Sep 29 17:22:21 2017
@@ -221,12 +221,17 @@ static uint32_t getCPUType(MachOObjectFi
 static bool filterArch(ObjectFile &Obj) {
   if (ArchFilters.empty())
     return true;
+
   if (auto *MachO = dyn_cast<MachOObjectFile>(&Obj)) {
     std::string ObjArch =
         Triple::getArchTypeName(MachO->getArchTriple().getArch());
+
     for (auto Arch : ArchFilters) {
+      // Match name.
       if (Arch == ObjArch)
         return true;
+
+      // Match architecture number.
       unsigned Value;
       if (!StringRef(Arch).getAsInteger(0, Value))
         if (Value == getCPUType(*MachO))