1 files changed, 16 insertions, 0 deletions
diff --git a/test/CodeGen/Thumb2/carry.ll b/test/CodeGen/Thumb2/carry.ll
new file mode 100644
index 0000000..3450c5a
--- /dev/null
+++ b/test/CodeGen/Thumb2/carry.ll
@@ -0,0 +1,16 @@
+; RUN: llvm-as < %s | llc -march=thumb -mattr=+thumb2 | grep "subs r" | count 2
+; RUN: llvm-as < %s | llc -march=thumb -mattr=+thumb2 | grep "adc r"
+; RUN: llvm-as < %s | llc -march=thumb -mattr=+thumb2 | grep "sbc r"  | count 2
+
+define i64 @f1(i64 %a, i64 %b) {
+entry:
+	%tmp = sub i64 %a, %b
+	ret i64 %tmp
+}
+
+define i64 @f2(i64 %a, i64 %b) {
+entry:
+        %tmp1 = shl i64 %a, 1
+	%tmp2 = sub i64 %tmp1, %b
+	ret i64 %tmp2
+}