| ; Test loads of negative floating-point zero. | |
| ; | |
| ; RUN: llc < %s -mtriple=s390x-linux-gnu | FileCheck %s | |
| ; Test f32. | |
| define float @f1() { | |
| ; CHECK-LABEL: f1: | |
| ; CHECK: lzer [[REGISTER:%f[0-5]+]] | |
| ; CHECK: lcdfr %f0, [[REGISTER]] | |
| ; CHECK: br %r14 | |
| ret float -0.0 | |
| } | |
| ; Test f64. | |
| define double @f2() { | |
| ; CHECK-LABEL: f2: | |
| ; CHECK: lzdr [[REGISTER:%f[0-5]+]] | |
| ; CHECK: lcdfr %f0, [[REGISTER]] | |
| ; CHECK: br %r14 | |
| ret double -0.0 | |
| } | |
| ; Test f128. | |
| define void @f3(ptr %x) { | |
| ; CHECK-LABEL: f3: | |
| ; CHECK: lzxr [[REGISTER:%f[0-5]+]] | |
| ; CHECK: lcxbr %f0, [[REGISTER]] | |
| ; CHECK: br %r14 | |
| store fp128 0xL00000000000000008000000000000000, ptr %x | |
| ret void | |
| } |