1 files changed, 38 insertions, 0 deletions
diff --git a/test/CodeGenCUDA/Inputs/device-code.ll b/test/CodeGenCUDA/Inputs/device-code.ll
new file mode 100644
index 000000000000..5943a000c1d8
--- /dev/null
+++ b/test/CodeGenCUDA/Inputs/device-code.ll
@@ -0,0 +1,38 @@
+; Simple bit of IR to mimic CUDA's libdevice. We want to be
+; able to link with it and we need to make sure all __nvvm_reflect
+; calls are eliminated by the time PTX has been produced.
+
+target triple = "nvptx-unknown-cuda"
+
+declare i32 @__nvvm_reflect(i8*)
+
+@"$str" = private addrspace(1) constant [8 x i8] c"USE_MUL\00"
+
+define void @unused_subfunc(float %a) {
+       ret void
+}
+
+define void @used_subfunc(float %a) {
+       ret void
+}
+
+define float @_Z17device_mul_or_addff(float %a, float %b) {
+  %reflect = call i32 @__nvvm_reflect(i8* addrspacecast (i8 addrspace(1)* getelementptr inbounds ([8 x i8], [8 x i8] addrspace(1)* @"$str", i32 0, i32 0) to i8*))
+  %cmp = icmp ne i32 %reflect, 0
+  br i1 %cmp, label %use_mul, label %use_add
+
+use_mul:
+  %ret1 = fmul float %a, %b
+  br label %exit
+
+use_add:
+  %ret2 = fadd float %a, %b
+  br label %exit
+
+exit:
+  %ret = phi float [%ret1, %use_mul], [%ret2, %use_add]
+
+  call void @used_subfunc(float %ret)
+
+  ret float %ret
+}