xref: /llvm-project/llvm/test/CodeGen/SystemZ/fp-conv-20.ll (revision a65ccc1b9fe740c9f65d9cf2b627de50278aad56)
1; Test floating-point conversion to/from 128-bit integers.
2;
3; RUN: llc < %s -mtriple=s390x-linux-gnu | FileCheck %s
4; RUN: llc < %s -mtriple=s390x-linux-gnu -mcpu=z13 | FileCheck %s
5
6; Test signed i128->f128.
7define fp128 @f1(i128 %i) {
8; CHECK-LABEL: f1:
9; CHECK: brasl %r14, __floattitf@PLT
10; CHECK: br %r14
11  %conv = sitofp i128 %i to fp128
12  ret fp128 %conv
13}
14
15; Test signed i128->f64.
16define double @f2(i128 %i) {
17; CHECK-LABEL: f2:
18; CHECK: brasl %r14, __floattidf@PLT
19; CHECK: br %r14
20  %conv = sitofp i128 %i to double
21  ret double %conv
22}
23
24; Test signed i128->f32.
25define float @f3(i128 %i) {
26; CHECK-LABEL: f3:
27; CHECK: brasl %r14, __floattisf@PLT
28; CHECK: br %r14
29  %conv = sitofp i128 %i to float
30  ret float %conv
31}
32
33; Test unsigned i128->f128.
34define fp128 @f4(i128 %i) {
35; CHECK-LABEL: f4:
36; CHECK: brasl %r14, __floatuntitf@PLT
37; CHECK: br %r14
38  %conv = uitofp i128 %i to fp128
39  ret fp128 %conv
40}
41
42; Test unsigned i128->f64.
43define double @f5(i128 %i) {
44; CHECK-LABEL: f5:
45; CHECK: brasl %r14, __floatuntidf@PLT
46; CHECK: br %r14
47  %conv = uitofp i128 %i to double
48  ret double %conv
49}
50
51; Test unsigned i128->f32.
52define float @f6(i128 %i) {
53; CHECK-LABEL: f6:
54; CHECK: brasl %r14, __floatuntisf@PLT
55; CHECK: br %r14
56  %conv = uitofp i128 %i to float
57  ret float %conv
58}
59
60; Test signed f128->i128.
61define i128 @f7(fp128 %f) {
62; CHECK-LABEL: f7:
63; CHECK: brasl %r14, __fixtfti@PLT
64; CHECK: br %r14
65  %conv = fptosi fp128 %f to i128
66  ret i128 %conv
67}
68
69; Test signed f64->i128.
70define i128 @f8(double %f) {
71; CHECK-LABEL: f8:
72; CHECK: brasl %r14, __fixdfti@PLT
73; CHECK: br %r14
74  %conv = fptosi double %f to i128
75  ret i128 %conv
76}
77
78; Test signed f9->i128.
79define i128 @f9(float %f) {
80; CHECK-LABEL: f9:
81; CHECK: brasl %r14, __fixsfti@PLT
82; CHECK: br %r14
83  %conv = fptosi float %f to i128
84  ret i128 %conv
85}
86
87; Test unsigned f128->i128.
88define i128 @f10(fp128 %f) {
89; CHECK-LABEL: f10:
90; CHECK: brasl %r14, __fixunstfti@PLT
91; CHECK: br %r14
92  %conv = fptoui fp128 %f to i128
93  ret i128 %conv
94}
95
96; Test unsigned f64->i128.
97define i128 @f11(double %f) {
98; CHECK-LABEL: f11:
99; CHECK: brasl %r14, __fixunsdfti@PLT
100; CHECK: br %r14
101  %conv = fptoui double %f to i128
102  ret i128 %conv
103}
104
105; Test unsigned f32->i128.
106define i128 @f12(float %f) {
107; CHECK-LABEL: f12:
108; CHECK: brasl %r14, __fixunssfti@PLT
109; CHECK: br %r14
110  %conv = fptoui float %f to i128
111  ret i128 %conv
112}
113