Move some llvm_unreachable's from r149849 out of switch statements to satisfy -Wcovered-switch-default

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@149860 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/CodeGen/MachineFunction.cpp b/lib/CodeGen/MachineFunction.cpp
index 8bef55e..bfdd738 100644
--- a/lib/CodeGen/MachineFunction.cpp
+++ b/lib/CodeGen/MachineFunction.cpp
@@ -528,7 +528,6 @@
   // The size of a jump table entry is 4 bytes unless the entry is just the
   // address of a block, in which case it is the pointer size.
   switch (getEntryKind()) {
-  default: llvm_unreachable("Unknown jump table encoding!");
   case MachineJumpTableInfo::EK_BlockAddress:
     return TD.getPointerSize();
   case MachineJumpTableInfo::EK_GPRel64BlockAddress:
@@ -540,6 +539,7 @@
   case MachineJumpTableInfo::EK_Inline:
     return 0;
   }
+  llvm_unreachable("Unknown jump table encoding!");
 }
 
 /// getEntryAlignment - Return the alignment of each entry in the jump table.
@@ -548,7 +548,6 @@
   // entry is just the address of a block, in which case it is the pointer
   // alignment.
   switch (getEntryKind()) {
-  default: llvm_unreachable("Unknown jump table encoding!");
   case MachineJumpTableInfo::EK_BlockAddress:
     return TD.getPointerABIAlignment();
   case MachineJumpTableInfo::EK_GPRel64BlockAddress:
@@ -560,6 +559,7 @@
   case MachineJumpTableInfo::EK_Inline:
     return 1;
   }
+  llvm_unreachable("Unknown jump table encoding!");
 }
 
 /// createJumpTableIndex - Create a new jump table entry in the jump table info.