[ARM] Fix buildbot failure due to -Werror.

Including both 'case ARM_AM::uxtw' and 'default' in the getShiftOp
switch caused a buildbot to fail with

error: default label in switch which covers all enumeration values [-Werror,-Wcovered-switch-default]

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@364300 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/lib/Target/ARM/MCTargetDesc/ARMMCCodeEmitter.cpp b/lib/Target/ARM/MCTargetDesc/ARMMCCodeEmitter.cpp
index f373788d705f8be841074054d843274bfd79aaff..c506f2677319ebdf3c2027ce3e01519090c8e2a3 100644 (file)
--- a/lib/Target/ARM/MCTargetDesc/ARMMCCodeEmitter.cpp
+++ b/lib/Target/ARM/MCTargetDesc/ARMMCCodeEmitter.cpp
@@ -251,7 +251,6 @@ public:
     case ARM_AM::asr: return 2;
     case ARM_AM::ror:
     case ARM_AM::rrx: return 3;
-    case ARM_AM::uxtw:
     default:
       llvm_unreachable("Invalid ShiftOpc!");
     }