From fce9452c25666984a51209a9aa94589c065385bc Mon Sep 17 00:00:00 2001
From: akashk4 <akashk4@illinois.edu>
Date: Tue, 28 Jan 2020 08:55:00 -0600
Subject: [PATCH] Add description for GPU code generation pass in
 DFG2LLVM_OpenCL.cpp

---
 hpvm/lib/Transforms/DFG2LLVM_OpenCL/DFG2LLVM_OpenCL.cpp | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/hpvm/lib/Transforms/DFG2LLVM_OpenCL/DFG2LLVM_OpenCL.cpp b/hpvm/lib/Transforms/DFG2LLVM_OpenCL/DFG2LLVM_OpenCL.cpp
index 4567fd2acb..2d9a07500f 100644
--- a/hpvm/lib/Transforms/DFG2LLVM_OpenCL/DFG2LLVM_OpenCL.cpp
+++ b/hpvm/lib/Transforms/DFG2LLVM_OpenCL/DFG2LLVM_OpenCL.cpp
@@ -6,6 +6,14 @@
 // License. See LICENSE.TXT for details.
 //
 //===----------------------------------------------------------------------===//
+// 
+// This pass is responsible for generating code for kernel code and code for 
+// launching kernels for GPU target using HPVM dataflow graph. The kernels are
+// generated into a separate file which is the C-Backend uses to generate 
+// OpenCL kernels with.
+//
+//===----------------------------------------------------------------------===//
+
 
 #define ENABLE_ASSERTS
 #define TARGET_PTX 64
-- 
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