32 lines
644 B
LLVM
32 lines
644 B
LLVM
; 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(fp128 *%x) {
|
|
; CHECK-LABEL: f3:
|
|
; CHECK: lzxr [[REGISTER:%f[0-5]+]]
|
|
; CHECK: lcxbr %f0, [[REGISTER]]
|
|
; CHECK: br %r14
|
|
store fp128 0xL00000000000000008000000000000000, fp128 *%x
|
|
ret void
|
|
}
|