1 files changed, 20 insertions, 0 deletions
diff --git a/test/CodeGen/SystemZ/fp-sqrt-03.ll b/test/CodeGen/SystemZ/fp-sqrt-03.ll
new file mode 100644
index 0000000..1b49af4
--- /dev/null
+++ b/test/CodeGen/SystemZ/fp-sqrt-03.ll
@@ -0,0 +1,20 @@
+; Test 128-bit square root.
+;
+; RUN: llc < %s -mtriple=s390x-linux-gnu | FileCheck %s
+
+declare fp128 @llvm.sqrt.f128(fp128 %f)
+
+; There's no memory form of SQXBR.
+define void @f1(fp128 *%ptr) {
+; CHECK: f1:
+; CHECK: ld %f0, 0(%r2)
+; CHECK: ld %f2, 8(%r2)
+; CHECK: sqxbr %f0, %f0
+; CHECK: std %f0, 0(%r2)
+; CHECK: std %f2, 8(%r2)
+; CHECK: br %r14
+  %orig = load fp128 *%ptr
+  %sqrt = call fp128 @llvm.sqrt.f128(fp128 %orig)
+  store fp128 %sqrt, fp128 *%ptr
+  ret void
+}