1 ; Test loads of negative floating-point zero. 2 ; 3 ; RUN: llc < %s -mtriple=s390x-linux-gnu | FileCheck %s 4 5 ; Test f32. 6 define float @f1() { 7 ; CHECK-LABEL: f1: 8 ; CHECK: lzer [[REGISTER:%f[0-5]+]] 9 ; CHECK: lcdfr %f0, [[REGISTER]] 10 ; CHECK: br %r14 11 ret float -0.0 12 } 13 14 ; Test f64. 15 define double @f2() { 16 ; CHECK-LABEL: f2: 17 ; CHECK: lzdr [[REGISTER:%f[0-5]+]] 18 ; CHECK: lcdfr %f0, [[REGISTER]] 19 ; CHECK: br %r14 20 ret double -0.0 21 } 22 23 ; Test f128. 24 define void @f3(fp128 *%x) { 25 ; CHECK-LABEL: f3: 26 ; CHECK: lzxr [[REGISTER:%f[0-5]+]] 27 ; CHECK: lcxbr %f0, [[REGISTER]] 28 ; CHECK: br %r14 29 store fp128 0xL00000000000000008000000000000000, fp128 *%x 30 ret void 31 } 32
