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/IceTargetLoweringX8664.h b/src/IceTargetLoweringX8664.h
index 0107cfc..791343a 100644
--- a/src/IceTargetLoweringX8664.h
+++ b/src/IceTargetLoweringX8664.h
@@ -6,10 +6,11 @@
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
-//
-// This file declares the TargetLoweringX8664 class, which implements the
-// TargetLowering interface for the X86 64-bit architecture.
-//
+///
+/// \file
+/// This file declares the TargetLoweringX8664 class, which implements the
+/// TargetLowering interface for the X86 64-bit architecture.
+///
//===----------------------------------------------------------------------===//
#ifndef SUBZERO_SRC_ICETARGETLOWERINGX8664_H
