Doxygenize the documentation comments
There were many // comment used to document classes, functions etc. but
those are not picked up by doxygen which expects /// comments. This
converts many comments from // to /// in order to improve the generated
documentation.
BUG=
R=jvoung@chromium.org, kschimpf@google.com
Review URL: https://codereview.chromium.org/1216963007.
diff --git a/src/IceRegAlloc.cpp b/src/IceRegAlloc.cpp
index 1478b0f..400cb7d 100644
--- a/src/IceRegAlloc.cpp
+++ b/src/IceRegAlloc.cpp
@@ -6,11 +6,12 @@
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
-//
-// This file implements the LinearScan class, which performs the
-// linear-scan register allocation after liveness analysis has been
-// performed.
-//
+///
+/// \file
+/// This file implements the LinearScan class, which performs the
+/// linear-scan register allocation after liveness analysis has been
+/// performed.
+///
//===----------------------------------------------------------------------===//
#include "IceRegAlloc.h"
