From b4d3a6af975431080cc58fb28b44cdea2f058019 Mon Sep 17 00:00:00 2001
From: Jim Grosbach <grosbach@apple.com>
Date: Tue, 31 Jan 2012 20:34:53 +0000
Subject: [PATCH] Add explanatory comment.

llvm-svn: 149416
---
 llvm/lib/Target/ARM/ARMConstantIslandPass.cpp | 1 +
 1 file changed, 1 insertion(+)

diff --git a/llvm/lib/Target/ARM/ARMConstantIslandPass.cpp b/llvm/lib/Target/ARM/ARMConstantIslandPass.cpp
index e6f49ab86f08..1828cbb696b3 100644
--- a/llvm/lib/Target/ARM/ARMConstantIslandPass.cpp
+++ b/llvm/lib/Target/ARM/ARMConstantIslandPass.cpp
@@ -834,6 +834,7 @@ unsigned ARMConstantIslands::GetOffsetOf(MachineInstr *MI) const {
     if (&*I == MI) return Offset;
     Offset += TII->GetInstSizeInBytes(I);
   }
+  // Unreachable.
 }
 
 /// CompareMBBNumbers - Little predicate function to sort the WaterList by MBB