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/IceTargetLoweringX8632.cpp b/src/IceTargetLoweringX8632.cpp
index e33eeef..c6a72d6 100644
--- a/src/IceTargetLoweringX8632.cpp
+++ b/src/IceTargetLoweringX8632.cpp
@@ -6,11 +6,12 @@
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
-//
-// This file implements the TargetLoweringX8632 class, which
-// consists almost entirely of the lowering sequence for each
-// high-level instruction.
-//
+///
+/// \file
+/// This file implements the TargetLoweringX8632 class, which
+/// consists almost entirely of the lowering sequence for each
+/// high-level instruction.
+///
//===----------------------------------------------------------------------===//
#include "IceTargetLoweringX8632.h"