1 files changed, 19 insertions, 0 deletions
diff --git a/llvm/test/CodeGen/NVPTX/add-128bit.ll b/llvm/test/CodeGen/NVPTX/add-128bit.ll
new file mode 100644
index 00000000000..29e3cdffae7
--- /dev/null
+++ b/llvm/test/CodeGen/NVPTX/add-128bit.ll
@@ -0,0 +1,19 @@
+; RUN: llc < %s -march=nvptx -mcpu=sm_20 | FileCheck %s
+
+target datalayout = "e-p:32:32:32-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-v16:16:16-v32:32:32-v64:64:64-v128:128:128-n16:32:64"
+
+
+
+define void @foo(i64 %a, i64 %add, i128* %retptr) {
+; CHECK:        add.s64
+; CHECK:        setp.lt.u64
+; CHECK:        setp.lt.u64
+; CHECK:        selp.b64
+; CHECK:        selp.b64
+; CHECK:        add.s64
+  %t1 = sext i64 %a to i128
+  %add2 = zext i64 %add to i128
+  %val = add i128 %t1, %add2
+  store i128 %val, i128* %retptr
+  ret void
+}