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-rw-r--r--test/CodeGen/SystemZ/rosbg-01.ll11
1 files changed, 11 insertions, 0 deletions
diff --git a/test/CodeGen/SystemZ/rosbg-01.ll b/test/CodeGen/SystemZ/rosbg-01.ll
index 0abacccba1..96ee870d42 100644
--- a/test/CodeGen/SystemZ/rosbg-01.ll
+++ b/test/CodeGen/SystemZ/rosbg-01.ll
@@ -108,3 +108,14 @@ define i64 @f11(i64 %a, i64 %b) {
%or = or i64 %a, %andb
ret i64 %or
}
+
+; Check the handling of zext and OR, which can use ROSBG.
+define i64 @f12(i64 %a, i32 %b) {
+; CHECK-LABEL: f12:
+; CHECK: rosbg %r2, %r3, 32, 63, 0
+; CHECK: br %r14
+ %add = add i32 %b, 1
+ %ext = zext i32 %add to i64
+ %or = or i64 %a, %ext
+ ret i64 %or
+}