Convert assert(0) to llvm_unreachable

llvm-svn: 149816

1 files changed, 2 insertions, 4 deletions

diff --git a/llvm/lib/CodeGen/MachineFunction.cpp b/llvm/lib/CodeGen/MachineFunction.cpp
index 8195f9f6790..8bef55effa2 100644
--- a/llvm/lib/CodeGen/MachineFunction.cpp
+++ b/llvm/lib/CodeGen/MachineFunction.cpp
@@ -528,6 +528,7 @@ unsigned MachineJumpTableInfo::getEntrySize(const TargetData &TD) const {
   // 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:
@@ -539,8 +540,6 @@ unsigned MachineJumpTableInfo::getEntrySize(const TargetData &TD) const {
   case MachineJumpTableInfo::EK_Inline:
     return 0;
   }
-  assert(0 && "Unknown jump table encoding!");
-  return ~0;
 }
 
 /// getEntryAlignment - Return the alignment of each entry in the jump table.
@@ -549,6 +548,7 @@ unsigned MachineJumpTableInfo::getEntryAlignment(const TargetData &TD) const {
   // 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:
@@ -560,8 +560,6 @@ unsigned MachineJumpTableInfo::getEntryAlignment(const TargetData &TD) const {
   case MachineJumpTableInfo::EK_Inline:
     return 1;
   }
-  assert(0 && "Unknown jump table encoding!");
-  return ~0;
 }
 
 /// createJumpTableIndex - Create a new jump table entry in the jump table info.