[CUDA] Add tests that, in C++14 mode, min/max are constexpr.

Reviewers: rsmith, tra

Subscribers: llvm-commits, cfe-commits, sanjoy, lahwaacz

Differential Revision: https://reviews.llvm.org/D48152

git-svn-id: https://llvm.org/svn/llvm-project/test-suite/trunk@336030 91177308-0d34-0410-b5e6-96231b3b80d8

1 files changed, 4 insertions, 0 deletions

diff --git a/External/CUDA/algorithm.cu b/External/CUDA/algorithm.cu
index e2d08db6..82956bb9 100644
--- a/External/CUDA/algorithm.cu
+++ b/External/CUDA/algorithm.cu
@@ -42,6 +42,8 @@ __device__ void cpp14_tests() {
   assert(std::minmax(1, 0).second == 1);
   assert(std::minmax({0, 10, -10, 100}, std::less<int>()).first == -10);
   assert(std::minmax({0, 10, -10, 100}, std::less<int>()).second == 100);
+  constexpr auto min = std::min(1, 2);
+  constexpr auto max = std::max(1, 2);
 #endif
 }
 
@@ -56,6 +58,8 @@ __host__ __device__ void cpp14_tests_hd() {
   assert(std::minmax(1, 0).second == 1);
   assert(std::minmax({0, 10, -10, 100}, std::less<int>()).first == -10);
   assert(std::minmax({0, 10, -10, 100}, std::less<int>()).second == 100);
+  constexpr auto min = std::min(1, 2);
+  constexpr auto max = std::max(1, 2);
 #endif
 }