Correct way to handle CONSTPOOL_ENTRY instructions.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@58409 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Target/ARM/ARMRelocations.h b/lib/Target/ARM/ARMRelocations.h
index 6963980..93101a6 100644
--- a/lib/Target/ARM/ARMRelocations.h
+++ b/lib/Target/ARM/ARMRelocations.h
@@ -19,8 +19,19 @@
 namespace llvm {
   namespace ARM {
     enum RelocationType {
+      // reloc_arm_absolute - Absolute relocation, just add the relocated value
+      // to the value already in memory.
+      reloc_arm_absolute,
+
+      // reloc_arm_relative - PC relative relocation, add the relocated value to
+      // the value already in memory, after we adjust it for where the PC is.
       reloc_arm_relative,
 
+      // reloc_arm_cp_entry - PC relative relocation for constpool_entry's whose
+      // addresses are kept locally in a map.
+      reloc_arm_cp_entry,
+
+      // reloc_arm_branch - Branch address relocation.
       reloc_arm_branch
     };
   }