1 files changed, 22 insertions, 0 deletions
diff --git a/test/CodeGen/Thumb2/carry.ll b/test/CodeGen/Thumb2/carry.ll
new file mode 100644
index 0000000..de6f6e2
--- /dev/null
+++ b/test/CodeGen/Thumb2/carry.ll
@@ -0,0 +1,22 @@
+; RUN: llc < %s -march=thumb -mattr=+thumb2 | FileCheck %s
+
+define i64 @f1(i64 %a, i64 %b) {
+entry:
+; CHECK: f1:
+; CHECK: subs r0, r0, r2
+; CHECK: sbcs r1, r3
+	%tmp = sub i64 %a, %b
+	ret i64 %tmp
+}
+
+define i64 @f2(i64 %a, i64 %b) {
+entry:
+; CHECK: f2:
+; CHECK: adds r0, r0, r0
+; CHECK: adcs r1, r1
+; CHECK: subs r0, r0, r2
+; CHECK: sbcs r1, r3
+        %tmp1 = shl i64 %a, 1
+	%tmp2 = sub i64 %tmp1, %b
+	ret i64 %tmp2
+}