1 files changed, 33 insertions, 0 deletions
diff --git a/llvm/test/CodeGen/SystemZ/fp-move-12.ll b/llvm/test/CodeGen/SystemZ/fp-move-12.ll
new file mode 100644
index 00000000000..131f7c374ca
--- /dev/null
+++ b/llvm/test/CodeGen/SystemZ/fp-move-12.ll
@@ -0,0 +1,33 @@
+; Test moves between FPRs on z13.
+;
+; RUN: llc < %s -mtriple=s390x-linux-gnu -mcpu=z13 | FileCheck %s
+
+; Test that we use LDR instead of LER.
+define float @f1(float %a, float %b) {
+; CHECK-LABEL: f1:
+; CHECK: ldr %f0, %f2
+; CHECK: br %r14
+  ret float %b
+}
+
+; Test f64 moves.
+define double @f2(double %a, double %b) {
+; CHECK-LABEL: f2:
+; CHECK: ldr %f0, %f2
+; CHECK: br %r14
+  ret double %b
+}
+
+; Test f128 moves.  Since f128s are passed by reference, we need to force
+; a copy by other means.
+define void @f3(fp128 *%x) {
+; CHECK-LABEL: f3:
+; CHECK: lxr
+; CHECK: axbr
+; CHECK: br %r14
+  %val = load volatile fp128 , fp128 *%x
+  %sum = fadd fp128 %val, %val
+  store volatile fp128 %sum, fp128 *%x
+  store volatile fp128 %val, fp128 *%x
+  ret void
+}