[llvm] r179809 - Assert if we're trying to generate a null compact unwind entry.

[Bill Wendling]

Author: void
Date: Thu Apr 18 17:56:05 2013
New Revision: 179809

URL: http://llvm.org/viewvc/llvm-project?rev=179809&view=rev
Log:
Assert if we're trying to generate a null compact unwind entry.

Modified:
    llvm/trunk/lib/MC/MCDwarf.cpp

Modified: llvm/trunk/lib/MC/MCDwarf.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/MC/MCDwarf.cpp?rev=179809&r1=179808&r2=179809&view=diff
==============================================================================
--- llvm/trunk/lib/MC/MCDwarf.cpp (original)
+++ llvm/trunk/lib/MC/MCDwarf.cpp Thu Apr 18 17:56:05 2013
@@ -1170,8 +1170,7 @@ void FrameEmitterImpl::EmitCompactUnwind
   //   .quad except_tab1
 
   uint32_t Encoding = Frame.CompactUnwindEncoding;
-  if (!Encoding) return;
-
+  assert(Encoding && "There should never be a null compact unwind encoding!");
   bool DwarfEHFrameOnly = (Encoding == MOFI->getCompactUnwindDwarfEHFrameOnly());
 
   // The encoding needs to know we have an LSDA.
@@ -1486,8 +1485,7 @@ void MCDwarfFrameEmitter::Emit(MCStreame
   if (IsEH && MOFI->getCompactUnwindSection())
     for (unsigned i = 0, n = Streamer.getNumFrameInfos(); i < n; ++i) {
       const MCDwarfFrameInfo &Frame = Streamer.getFrameInfo(i);
-      if (Frame.CompactUnwindEncoding)
-        Emitter.EmitCompactUnwind(Streamer, Frame);
+      Emitter.EmitCompactUnwind(Streamer, Frame);
     }
 
   const MCSection &Section = IsEH ? *MOFI->getEHFrameSection() :