1; Test f128 copysign operations on z14.
2;
3; RUN: llc < %s -mtriple=s390x-linux-gnu -mcpu=z14 | FileCheck %s
4
5declare float @copysignf(float, float) readnone
6declare double @copysign(double, double) readnone
7; FIXME: not really the correct prototype for SystemZ.
8declare fp128 @copysignl(fp128, fp128) readnone
9
10; Test f32 copies in which the sign comes from an f128.
11define float @f1(float %a, fp128 *%bptr) {
12; CHECK-LABEL: f1:
13; CHECK: vl %v[[REG:[0-9]+]], 0(%r2)
14; CHECK: cpsdr %f0, %f[[REG]], %f0
15; CHECK: br %r14
16  %bl = load volatile fp128, fp128 *%bptr
17  %b = fptrunc fp128 %bl to float
18  %res = call float @copysignf(float %a, float %b) readnone
19  ret float %res
20}
21
22; Test f64 copies in which the sign comes from an f128.
23define double @f2(double %a, fp128 *%bptr) {
24; CHECK-LABEL: f2:
25; CHECK: vl %v[[REG:[0-9]+]], 0(%r2)
26; CHECK: cpsdr %f0, %f[[REG]], %f0
27; CHECK: br %r14
28  %bl = load volatile fp128, fp128 *%bptr
29  %b = fptrunc fp128 %bl to double
30  %res = call double @copysign(double %a, double %b) readnone
31  ret double %res
32}
33
34; Test f128 copies in which the sign comes from an f32.
35define void @f7(fp128 *%cptr, fp128 *%aptr, float %bf) {
36; CHECK-LABEL: f7:
37; CHECK: vl [[REG1:%v[0-7]+]], 0(%r3)
38; CHECK: tmlh
39; CHECK: wflnxb [[REG2:%v[0-9]+]], [[REG1]]
40; CHECK: wflpxb [[REG2]], [[REG1]]
41; CHECK: vst [[REG2]], 0(%r2)
42; CHECK: br %r14
43  %a = load volatile fp128, fp128 *%aptr
44  %b = fpext float %bf to fp128
45  %c = call fp128 @copysignl(fp128 %a, fp128 %b) readnone
46  store fp128 %c, fp128 *%cptr
47  ret void
48}
49
50; As above, but the sign comes from an f64.
51define void @f8(fp128 *%cptr, fp128 *%aptr, double %bd) {
52; CHECK-LABEL: f8:
53; CHECK: vl [[REG1:%v[0-7]+]], 0(%r3)
54; CHECK: tmhh
55; CHECK: wflnxb [[REG2:%v[0-9]+]], [[REG1]]
56; CHECK: wflpxb [[REG2]], [[REG1]]
57; CHECK: vst [[REG2]], 0(%r2)
58; CHECK: br %r14
59  %a = load volatile fp128, fp128 *%aptr
60  %b = fpext double %bd to fp128
61  %c = call fp128 @copysignl(fp128 %a, fp128 %b) readnone
62  store fp128 %c, fp128 *%cptr
63  ret void
64}
65
66; As above, but the sign comes from an f128.
67define void @f9(fp128 *%cptr, fp128 *%aptr, fp128 *%bptr) {
68; CHECK-LABEL: f9:
69; CHECK: vl [[REG1:%v[0-7]+]], 0(%r3)
70; CHECK: vl [[REG2:%v[0-7]+]], 0(%r4)
71; CHECK: tm
72; CHECK: wflnxb [[REG1]], [[REG1]]
73; CHECK: wflpxb [[REG1]], [[REG1]]
74; CHECK: vst [[REG1]], 0(%r2)
75; CHECK: br %r14
76  %a = load volatile fp128, fp128 *%aptr
77  %b = load volatile fp128, fp128 *%bptr
78  %c = call fp128 @copysignl(fp128 %a, fp128 %b) readnone
79  store fp128 %c, fp128 *%cptr
80  ret void
81}
82