use __HIPCC__ for device code

tests/cpp/common/test_hist_util.h

@@ -15,10 +15,10 @@
 #include "../filesystem.h"  // dmlc::TemporaryDirectory
 #include "../helpers.h"
 
-#if defined(__CUDACC__) || defined(__HIP_PLATFORM_AMD__)
+#if defined(__CUDACC__) || defined(__HIPCC__)
 #include <xgboost/json.h>
 #include "../../../src/data/device_adapter.cuh"
-#endif  // __CUDACC__, __HIP_PLATFORM_AMD__
+#endif  // __CUDACC__, __HIPCC__
 
 // Some helper functions used to test both GPU and CPU algorithms
 //
@@ -47,7 +47,7 @@ inline std::vector<float> GenerateRandomWeights(int num_rows) {
   return w;
 }
 
-#if defined(__CUDACC__) || defined(__HIP_PLATFORM_AMD__)
+#if defined(__CUDACC__) || defined(__HIPCC__)
 inline data::CupyAdapter AdapterFromData(const thrust::device_vector<float> &x,
   int num_rows, int num_columns) {
   Json array_interface{Object()};

tests/cpp/common/test_span.h

@@ -99,7 +99,7 @@ struct TestRBeginREnd {
 
     Span<float> s (arr);
 
-#if defined(__CUDA_ARCH__) || defined(__HIP_PLATFORM_AMD__)
+#if defined(__CUDA_ARCH__) || defined(__HIPCC__)
     auto rbeg = dh::trbegin(s);
     auto rend = dh::trend(s);
 #else

tests/cpp/common/test_transform_range.cc

@@ -11,7 +11,7 @@
 #include "../../../src/common/transform.h"
 #include "../helpers.h"
 
-#if defined(__CUDACC__) || defined(__HIP_PLATFORM_AMD__)
+#if defined(__CUDACC__) || defined(__HIPCC__)
 
 #define TRANSFORM_GPU 0
 
@@ -53,7 +53,7 @@ TEST(Transform, DeclareUnifiedTest(Basic)) {
   ASSERT_TRUE(std::equal(h_sol.begin(), h_sol.end(), res.begin()));
 }
 
-#if !defined(__CUDACC__) && !defined(__HIP_PLATFORM_AMD__)
+#if !defined(__CUDACC__) && !defined(__HIPCC__)
 TEST(TransformDeathTest, Exception) {
   size_t const kSize {16};
   std::vector<bst_float> h_in(kSize);