1 files changed, 37 insertions, 0 deletions
diff --git a/test/CodeGen/SystemZ/fp-conv-06.ll b/test/CodeGen/SystemZ/fp-conv-06.ll
new file mode 100644
index 0000000..1b39b67
--- /dev/null
+++ b/test/CodeGen/SystemZ/fp-conv-06.ll
@@ -0,0 +1,37 @@
+; Test conversions of unsigned i32s to floating-point values.
+;
+; RUN: llc < %s -mtriple=s390x-linux-gnu | FileCheck %s
+
+; Check i32->f32.  There is no native instruction, so we must promote
+; to i64 first.
+define float @f1(i32 %i) {
+; CHECK: f1:
+; CHECK: llgfr [[REGISTER:%r[0-5]]], %r2
+; CHECK: cegbr %f0, [[REGISTER]]
+; CHECK: br %r14
+  %conv = uitofp i32 %i to float
+  ret float %conv
+}
+
+; Check i32->f64.
+define double @f2(i32 %i) {
+; CHECK: f2:
+; CHECK: llgfr [[REGISTER:%r[0-5]]], %r2
+; CHECK: cdgbr %f0, [[REGISTER]]
+; CHECK: br %r14
+  %conv = uitofp i32 %i to double
+  ret double %conv
+}
+
+; Check i32->f128.
+define void @f3(i32 %i, fp128 *%dst) {
+; CHECK: f3:
+; CHECK: llgfr [[REGISTER:%r[0-5]]], %r2
+; CHECK: cxgbr %f0, [[REGISTER]]
+; CHECK: std %f0, 0(%r3)
+; CHECK: std %f2, 8(%r3)
+; CHECK: br %r14
+  %conv = uitofp i32 %i to fp128
+  store fp128 %conv, fp128 *%dst
+  ret void
+}