vendor/llvm/llvm-release_33-r183502

1 files changed, 30 insertions, 0 deletions

diff --git a/test/CodeGen/SystemZ/fp-const-01.ll b/test/CodeGen/SystemZ/fp-const-01.ll
new file mode 100644
index 000000000000..65209d661e97
--- /dev/null
+++ b/test/CodeGen/SystemZ/fp-const-01.ll
@@ -0,0 +1,30 @@
+; Test loads of floating-point zero.
+;
+; RUN: llc < %s -mtriple=s390x-linux-gnu | FileCheck %s
+
+; Test f32.
+define float @f1() {
+; CHECK: f1:
+; CHECK: lzer %f0
+; CHECK: br %r14
+  ret float 0.0
+}
+
+; Test f64.
+define double @f2() {
+; CHECK: f2:
+; CHECK: lzdr %f0
+; CHECK: br %r14
+  ret double 0.0
+}
+
+; Test f128.
+define void @f3(fp128 *%x) {
+; CHECK: f3:
+; CHECK: lzxr %f0
+; CHECK: std %f0, 0(%r2)
+; CHECK: std %f2, 8(%r2)
+; CHECK: br %r14
+  store fp128 0xL00000000000000000000000000000000, fp128 *%x
+  ret void
+}