summaryrefslogtreecommitdiff
path: root/test/CodeGen/SystemZ/rxsbg-01.ll
diff options
context:
space:
mode:
Diffstat (limited to 'test/CodeGen/SystemZ/rxsbg-01.ll')
-rw-r--r--test/CodeGen/SystemZ/rxsbg-01.ll11
1 files changed, 11 insertions, 0 deletions
diff --git a/test/CodeGen/SystemZ/rxsbg-01.ll b/test/CodeGen/SystemZ/rxsbg-01.ll
index 5491bff2ec..339fe2a289 100644
--- a/test/CodeGen/SystemZ/rxsbg-01.ll
+++ b/test/CodeGen/SystemZ/rxsbg-01.ll
@@ -110,3 +110,14 @@ define i64 @f11(i64 %a, i64 %b) {
%xor = xor i64 %a, %andb
ret i64 %xor
}
+
+; Check the handling of zext and XOR, which can use ROSBG.
+define i64 @f12(i64 %a, i32 %b) {
+; CHECK-LABEL: f12:
+; CHECK: rxsbg %r2, %r3, 32, 63, 0
+; CHECK: br %r14
+ %add = add i32 %b, 1
+ %ext = zext i32 %add to i64
+ %xor = xor i64 %a, %ext
+ ret i64 %xor
+}