llvm-uselistorder: Improve the tool description

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@214317 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/tools/llvm-uselistorder/llvm-uselistorder.cpp b/tools/llvm-uselistorder/llvm-uselistorder.cpp
index b05416152e23918423afca5d8c00706372950c94..0f817d2bf38b508de1c9cbf4acca65826d735b23 100644 (file)
--- a/tools/llvm-uselistorder/llvm-uselistorder.cpp
+++ b/tools/llvm-uselistorder/llvm-uselistorder.cpp
@@ -7,7 +7,9 @@
 //
 //===----------------------------------------------------------------------===//
 //
-// Verify that use-list order can be serialized correctly.
+// Verify that use-list order can be serialized correctly.  After reading the
+// provided IR, this tool shuffles the use-lists and then writes and reads to a
+// separate Module whose use-list orders are compared to the original.
 //
 //===----------------------------------------------------------------------===//