From ff49d09ed9b740b43923950ce2a70fa418e1b834 Mon Sep 17 00:00:00 2001
From: yukatayu <yukatayu.dev@gmail.com>
Date: Wed, 26 Aug 2020 14:58:09 +0900
Subject: [PATCH 1/3] fix: make suitable for msvc, clang

---
 src/target/llvm/codegen_hexagon.cc | 5 ++++-
 src/te/autodiff/ad_simplify.cc     | 1 +
 2 files changed, 5 insertions(+), 1 deletion(-)

diff --git a/src/target/llvm/codegen_hexagon.cc b/src/target/llvm/codegen_hexagon.cc
index eefd17c18a9f..10ca6ce9b71d 100644
--- a/src/target/llvm/codegen_hexagon.cc
+++ b/src/target/llvm/codegen_hexagon.cc
@@ -636,7 +636,10 @@ bool UsesExportABI(const PrimFunc& f) {
   return false;
 }
 
-__attribute__((unused)) std::ostream& operator<<(std::ostream& os, const llvm::Module& m) {
+#ifdef __GNUC__
+__attribute__((unused))
+#endif
+std::ostream& operator<<(std::ostream& os, const llvm::Module& m) {
   std::string ms;
   llvm::raw_string_ostream sos(ms);
   sos << m;
diff --git a/src/te/autodiff/ad_simplify.cc b/src/te/autodiff/ad_simplify.cc
index 3860c0038568..641aae0c62a4 100644
--- a/src/te/autodiff/ad_simplify.cc
+++ b/src/te/autodiff/ad_simplify.cc
@@ -54,6 +54,7 @@
 
 #include <memory>
 #include <utility>
+#include <iterator>
 
 #include "ad_util.h"
 

From e5cfc9b5688b9b220d73ee65f9bf2c4d571b2456 Mon Sep 17 00:00:00 2001
From: yukatayu <yukatayu.dev@gmail.com>
Date: Wed, 26 Aug 2020 16:00:41 +0900
Subject: [PATCH 2/3] clang-format

---
 src/target/llvm/codegen_hexagon.cc | 3 ++-
 src/te/autodiff/ad_simplify.cc     | 2 +-
 2 files changed, 3 insertions(+), 2 deletions(-)

diff --git a/src/target/llvm/codegen_hexagon.cc b/src/target/llvm/codegen_hexagon.cc
index 10ca6ce9b71d..2ca9076aaab9 100644
--- a/src/target/llvm/codegen_hexagon.cc
+++ b/src/target/llvm/codegen_hexagon.cc
@@ -639,7 +639,8 @@ bool UsesExportABI(const PrimFunc& f) {
 #ifdef __GNUC__
 __attribute__((unused))
 #endif
-std::ostream& operator<<(std::ostream& os, const llvm::Module& m) {
+std::ostream&
+operator<<(std::ostream& os, const llvm::Module& m) {
   std::string ms;
   llvm::raw_string_ostream sos(ms);
   sos << m;
diff --git a/src/te/autodiff/ad_simplify.cc b/src/te/autodiff/ad_simplify.cc
index 641aae0c62a4..874e8ca2eefc 100644
--- a/src/te/autodiff/ad_simplify.cc
+++ b/src/te/autodiff/ad_simplify.cc
@@ -52,9 +52,9 @@
 #include <tvm/tir/analysis.h>
 #include <tvm/tir/stmt_functor.h>
 
+#include <iterator>
 #include <memory>
 #include <utility>
-#include <iterator>
 
 #include "ad_util.h"
 

From 54e9add058c5c6deeb99961dc20b0dda2f22fb2f Mon Sep 17 00:00:00 2001
From: yukatayu <yukatayu.dev@gmail.com>
Date: Wed, 26 Aug 2020 16:51:35 +0900
Subject: [PATCH 3/3] refactor: use DMLC_ATTRIBUTE

---
 src/target/llvm/codegen_hexagon.cc | 6 +-----
 1 file changed, 1 insertion(+), 5 deletions(-)

diff --git a/src/target/llvm/codegen_hexagon.cc b/src/target/llvm/codegen_hexagon.cc
index 2ca9076aaab9..c77215dec74b 100644
--- a/src/target/llvm/codegen_hexagon.cc
+++ b/src/target/llvm/codegen_hexagon.cc
@@ -636,11 +636,7 @@ bool UsesExportABI(const PrimFunc& f) {
   return false;
 }
 
-#ifdef __GNUC__
-__attribute__((unused))
-#endif
-std::ostream&
-operator<<(std::ostream& os, const llvm::Module& m) {
+DMLC_ATTRIBUTE_UNUSED std::ostream& operator<<(std::ostream& os, const llvm::Module& m) {
   std::string ms;
   llvm::raw_string_ostream sos(ms);
   sos << m;