ARM: clang-format a couple of switches, add comments

clang-format a couple of switches in preparation for a future change.  Add some
enumeration comments

llvm-svn: 271973

1 files changed, 10 insertions, 5 deletions

diff --git a/llvm/lib/Target/ARM/ARMConstantPoolValue.cpp b/llvm/lib/Target/ARM/ARMConstantPoolValue.cpp
index 7bcf46f97b4..2dbe236cc77 100644
--- a/llvm/lib/Target/ARM/ARMConstantPoolValue.cpp
+++ b/llvm/lib/Target/ARM/ARMConstantPoolValue.cpp
@@ -50,11 +50,16 @@ const char *ARMConstantPoolValue::getModifierText() const {
   switch (Modifier) {
     // FIXME: Are these case sensitive? It'd be nice to lower-case all the
     // strings if that's legal.
-  case ARMCP::no_modifier: return "none";
-  case ARMCP::TLSGD:       return "tlsgd";
-  case ARMCP::GOT_PREL:    return "GOT_PREL";
-  case ARMCP::GOTTPOFF:    return "gottpoff";
-  case ARMCP::TPOFF:       return "tpoff";
+  case ARMCP::no_modifier:
+    return "none";
+  case ARMCP::TLSGD:
+    return "tlsgd";
+  case ARMCP::GOT_PREL:
+    return "GOT_PREL";
+  case ARMCP::GOTTPOFF:
+    return "gottpoff";
+  case ARMCP::TPOFF:
+    return "tpoff";
   }
   llvm_unreachable("Unknown modifier!");
 }