From 9249efe4c7451e83fb4c904fd7fcc8edfe08d815 Mon Sep 17 00:00:00 2001
From: Jim Grosbach <grosbach@apple.com>
Date: Mon, 16 Nov 2009 18:55:47 +0000
Subject: [PATCH] clarify comment

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@88933 91177308-0d34-0410-b5e6-96231b3b80d8
---
 lib/Target/ARM/ARMConstantIslandPass.cpp | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/lib/Target/ARM/ARMConstantIslandPass.cpp b/lib/Target/ARM/ARMConstantIslandPass.cpp
index e3b577e21ec..52cdd7bd24a 100644
--- a/lib/Target/ARM/ARMConstantIslandPass.cpp
+++ b/lib/Target/ARM/ARMConstantIslandPass.cpp
@@ -1718,8 +1718,8 @@ bool ARMConstantIslands::OptimizeThumb2JumpTables(MachineFunction &MF) {
   return MadeChange;
 }
 
-/// ReorderThumb2JumpTables - Use tbb / tbh instructions to generate smaller
-/// jumptables when it's possible.
+/// ReorderThumb2JumpTables - Adjust the function's block layout to ensure that
+/// jump tables always branch forwards, since that's what tbb and tbh need.
 bool ARMConstantIslands::ReorderThumb2JumpTables(MachineFunction &MF) {
   bool MadeChange = false;