Improve Thumb-2 jump table support.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@74549 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Target/ARM/ARMCodeEmitter.cpp b/lib/Target/ARM/ARMCodeEmitter.cpp
index 8424c2e..f295761 100644
--- a/lib/Target/ARM/ARMCodeEmitter.cpp
+++ b/lib/Target/ARM/ARMCodeEmitter.cpp
@@ -1155,16 +1155,17 @@
   const TargetInstrDesc &TID = MI.getDesc();
 
   // Handle jump tables.
-  if (TID.Opcode == ARM::BR_JTr || TID.Opcode == ARM::BR_JTadd) {
+  if (TID.Opcode == ARM::BR_JTr || TID.Opcode == ARM::BR_JTadd ||
+      TID.Opcode == ARM::t2BR_JTr || TID.Opcode == ARM::t2BR_JTadd) {
     // First emit a ldr pc, [] instruction.
     emitDataProcessingInstruction(MI, ARM::PC);
 
     // Then emit the inline jump table.
-    unsigned JTIndex = (TID.Opcode == ARM::BR_JTr)
+    unsigned JTIndex = (TID.Opcode == ARM::BR_JTr || TID.Opcode == ARM::t2BR_JTr)
       ? MI.getOperand(1).getIndex() : MI.getOperand(2).getIndex();
     emitInlineJumpTable(JTIndex);
     return;
-  } else if (TID.Opcode == ARM::BR_JTm) {
+  } else if (TID.Opcode == ARM::BR_JTm || TID.Opcode == ARM::t2BR_JTm) {
     // First emit a ldr pc, [] instruction.
     emitLoadStoreInstruction(MI, ARM::PC);