1 files changed, 9 insertions, 0 deletions
diff --git a/clang/test/CodeGen/ptx-cc.c b/clang/test/CodeGen/ptx-cc.c
new file mode 100644
index 0000000..2212d42
--- /dev/null
+++ b/clang/test/CodeGen/ptx-cc.c
@@ -0,0 +1,9 @@
+// RUN: %clang_cc1 -triple ptx32-unknown-unknown -O3 -S -o %t %s -emit-llvm
+// RUN: %clang_cc1 -triple ptx64-unknown-unknown -O3 -S -o %t %s -emit-llvm
+
+// Just make sure Clang uses the proper calling convention for the PTX back-end.
+// If something is wrong, the back-end will fail.
+void foo(float* a,
+         float* b) {
+  a[0] = b[0];
+}