More dead code removal (using -Wunreachable-code)

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@148578 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Target/ARM/ARMELFWriterInfo.cpp b/lib/Target/ARM/ARMELFWriterInfo.cpp
index 51e68b4..dcee779 100644
--- a/lib/Target/ARM/ARMELFWriterInfo.cpp
+++ b/lib/Target/ARM/ARMELFWriterInfo.cpp
@@ -41,15 +41,14 @@
   case ARM::reloc_arm_machine_cp_entry:
   case ARM::reloc_arm_jt_base:
   case ARM::reloc_arm_pic_jt:
-    assert(0 && "unsupported ARM relocation type"); break;
+    assert(0 && "unsupported ARM relocation type"); return 0;
     
-  case ARM::reloc_arm_branch: return ELF::R_ARM_CALL; break;
-  case ARM::reloc_arm_movt:   return ELF::R_ARM_MOVT_ABS; break;
-  case ARM::reloc_arm_movw:   return ELF::R_ARM_MOVW_ABS_NC; break;
+  case ARM::reloc_arm_branch: return ELF::R_ARM_CALL;
+  case ARM::reloc_arm_movt:   return ELF::R_ARM_MOVT_ABS;
+  case ARM::reloc_arm_movw:   return ELF::R_ARM_MOVW_ABS_NC;
   default:
-    llvm_unreachable("unknown ARM relocation type"); break;
+    llvm_unreachable("unknown ARM relocation type");
   }
-  return 0;
 }
 
 long int ARMELFWriterInfo::getDefaultAddendForRelTy(unsigned RelTy,