1 files changed, 16 insertions, 0 deletions
diff --git a/test/CodeGen/NVPTX/surf-write.ll b/test/CodeGen/NVPTX/surf-write.ll
new file mode 100644
index 0000000..880231f
--- /dev/null
+++ b/test/CodeGen/NVPTX/surf-write.ll
@@ -0,0 +1,16 @@
+; RUN: llc < %s -march=nvptx -mcpu=sm_20 | FileCheck %s
+
+target triple = "nvptx-unknown-nvcl"
+
+declare void @llvm.nvvm.sust.b.1d.i32.trap(i64, i32, i32)
+
+; CHECK: .entry foo
+define void @foo(i64 %img, i32 %val, i32 %idx) {
+; CHECK: sust.b.1d.b32.trap [foo_param_0, {%r{{[0-9]+}}}], {%r{{[0-9]+}}}
+  tail call void @llvm.nvvm.sust.b.1d.i32.trap(i64 %img, i32 %idx, i32 %val)
+  ret void
+}
+
+!nvvm.annotations = !{!1, !2}
+!1 = metadata !{void (i64, i32, i32)* @foo, metadata !"kernel", i32 1}
+!2 = metadata !{void (i64, i32, i32)* @foo, metadata !"wroimage", i32 0}