1 files changed, 85 insertions, 0 deletions
diff --git a/test/CodeGen/SystemZ/atomicrmw-or-03.ll b/test/CodeGen/SystemZ/atomicrmw-or-03.ll
new file mode 100644
index 0000000..33fd21b
--- /dev/null
+++ b/test/CodeGen/SystemZ/atomicrmw-or-03.ll
@@ -0,0 +1,85 @@
+; Test 32-bit atomic ORs.
+;
+; RUN: llc < %s -mtriple=s390x-linux-gnu | FileCheck %s
+
+; Check ORs of a variable.
+define i32 @f1(i32 %dummy, i32 *%src, i32 %b) {
+; CHECK: f1:
+; CHECK: l %r2, 0(%r3)
+; CHECK: [[LABEL:\.[^ ]*]]:
+; CHECK: lr %r0, %r2
+; CHECK: or %r0, %r4
+; CHECK: cs %r2, %r0, 0(%r3)
+; CHECK: j{{g?}}lh [[LABEL]]
+; CHECK: br %r14
+  %res = atomicrmw or i32 *%src, i32 %b seq_cst
+  ret i32 %res
+}
+
+; Check the lowest useful OILL value.
+define i32 @f2(i32 %dummy, i32 *%src) {
+; CHECK: f2:
+; CHECK: l %r2, 0(%r3)
+; CHECK: [[LABEL:\.[^ ]*]]:
+; CHECK: lr %r0, %r2
+; CHECK: oill %r0, 1
+; CHECK: cs %r2, %r0, 0(%r3)
+; CHECK: j{{g?}}lh [[LABEL]]
+; CHECK: br %r14
+  %res = atomicrmw or i32 *%src, i32 1 seq_cst
+  ret i32 %res
+}
+
+; Check the high end of the OILL range.
+define i32 @f3(i32 %dummy, i32 *%src) {
+; CHECK: f3:
+; CHECK: oill %r0, 65535
+; CHECK: br %r14
+  %res = atomicrmw or i32 *%src, i32 65535 seq_cst
+  ret i32 %res
+}
+
+; Check the lowest useful OILH value, which is the next value up.
+define i32 @f4(i32 %dummy, i32 *%src) {
+; CHECK: f4:
+; CHECK: oilh %r0, 1
+; CHECK: br %r14
+  %res = atomicrmw or i32 *%src, i32 65536 seq_cst
+  ret i32 %res
+}
+
+; Check the lowest useful OILF value, which is the next value up.
+define i32 @f5(i32 %dummy, i32 *%src) {
+; CHECK: f5:
+; CHECK: oilf %r0, 65537
+; CHECK: br %r14
+  %res = atomicrmw or i32 *%src, i32 65537 seq_cst
+  ret i32 %res
+}
+
+; Check the high end of the OILH range.
+define i32 @f6(i32 %dummy, i32 *%src) {
+; CHECK: f6:
+; CHECK: oilh %r0, 65535
+; CHECK: br %r14
+  %res = atomicrmw or i32 *%src, i32 -65536 seq_cst
+  ret i32 %res
+}
+
+; Check the next value up, which must use OILF.
+define i32 @f7(i32 %dummy, i32 *%src) {
+; CHECK: f7:
+; CHECK: oilf %r0, 4294901761
+; CHECK: br %r14
+  %res = atomicrmw or i32 *%src, i32 -65535 seq_cst
+  ret i32 %res
+}
+
+; Check the largest useful OILF value.
+define i32 @f8(i32 %dummy, i32 *%src) {
+; CHECK: f8:
+; CHECK: oilf %r0, 4294967294
+; CHECK: br %r14
+  %res = atomicrmw or i32 *%src, i32 -2 seq_cst
+  ret i32 %res
+}