xref: /llvm-project/llvm/test/CodeGen/SystemZ/fp-strict-conv-17.ll (revision 3e9e5e277129041fe781f1f2bb04f69269d3fa1f) 
1; Test floating-point strict 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
6declare fp128 @llvm.experimental.constrained.sitofp.f128.i128(i128, metadata, metadata)
7declare double @llvm.experimental.constrained.sitofp.f64.i128(i128, metadata, metadata)
8declare float @llvm.experimental.constrained.sitofp.f32.i128(i128, metadata, metadata)
9
10declare fp128 @llvm.experimental.constrained.uitofp.f128.i128(i128, metadata, metadata)
11declare double @llvm.experimental.constrained.uitofp.f64.i128(i128, metadata, metadata)
12declare float @llvm.experimental.constrained.uitofp.f32.i128(i128, metadata, metadata)
13
14declare i128 @llvm.experimental.constrained.fptosi.i128.f128(fp128, metadata)
15declare i128 @llvm.experimental.constrained.fptosi.i128.f64(double, metadata)
16declare i128 @llvm.experimental.constrained.fptosi.i128.f32(float, metadata)
17
18declare i128 @llvm.experimental.constrained.fptoui.i128.f128(fp128, metadata)
19declare i128 @llvm.experimental.constrained.fptoui.i128.f64(double, metadata)
20declare i128 @llvm.experimental.constrained.fptoui.i128.f32(float, metadata)
21
22; Test signed i128->f128.
23define fp128 @f1(i128 %i) #0 {
24; CHECK-LABEL: f1:
25; CHECK: brasl %r14, __floattitf@PLT
26; CHECK: br %r14
27  %conv = call fp128 @llvm.experimental.constrained.sitofp.f128.i128(i128 %i,
28                                               metadata !"round.dynamic",
29                                               metadata !"fpexcept.strict") #0
30  ret fp128 %conv
31}
32
33; Test signed i128->f64.
34define double @f2(i128 %i) #0 {
35; CHECK-LABEL: f2:
36; CHECK: brasl %r14, __floattidf@PLT
37; CHECK: br %r14
38  %conv = call double @llvm.experimental.constrained.sitofp.f64.i128(i128 %i,
39                                               metadata !"round.dynamic",
40                                               metadata !"fpexcept.strict") #0
41  ret double %conv
42}
43
44; Test signed i128->f32.
45define float @f3(i128 %i) #0 {
46; CHECK-LABEL: f3:
47; CHECK: brasl %r14, __floattisf@PLT
48; CHECK: br %r14
49  %conv = call float @llvm.experimental.constrained.sitofp.f32.i128(i128 %i,
50                                               metadata !"round.dynamic",
51                                               metadata !"fpexcept.strict") #0
52  ret float %conv
53}
54
55; Test unsigned i128->f128.
56define fp128 @f4(i128 %i) #0 {
57; CHECK-LABEL: f4:
58; CHECK: brasl %r14, __floatuntitf@PLT
59; CHECK: br %r14
60  %conv = call fp128 @llvm.experimental.constrained.uitofp.f128.i128(i128 %i,
61                                               metadata !"round.dynamic",
62                                               metadata !"fpexcept.strict") #0
63  ret fp128 %conv
64}
65
66; Test unsigned i128->f64.
67define double @f5(i128 %i) #0 {
68; CHECK-LABEL: f5:
69; CHECK: brasl %r14, __floatuntidf@PLT
70; CHECK: br %r14
71  %conv = call double @llvm.experimental.constrained.uitofp.f64.i128(i128 %i,
72                                               metadata !"round.dynamic",
73                                               metadata !"fpexcept.strict") #0
74  ret double %conv
75}
76
77; Test unsigned i128->f32.
78define float @f6(i128 %i) #0 {
79; CHECK-LABEL: f6:
80; CHECK: brasl %r14, __floatuntisf@PLT
81; CHECK: br %r14
82  %conv = call float @llvm.experimental.constrained.uitofp.f32.i128(i128 %i,
83                                               metadata !"round.dynamic",
84                                               metadata !"fpexcept.strict") #0
85  ret float %conv
86}
87
88; Test signed f128->i128.
89define i128 @f7(fp128 %f) #0 {
90; CHECK-LABEL: f7:
91; CHECK: brasl %r14, __fixtfti@PLT
92; CHECK: br %r14
93  %conv = call i128 @llvm.experimental.constrained.fptosi.i128.f128(fp128 %f,
94                                               metadata !"fpexcept.strict") #0
95  ret i128 %conv
96}
97
98; Test signed f64->i128.
99define i128 @f8(double %f) #0 {
100; CHECK-LABEL: f8:
101; CHECK: brasl %r14, __fixdfti@PLT
102; CHECK: br %r14
103  %conv = call i128 @llvm.experimental.constrained.fptosi.i128.f64(double %f,
104                                               metadata !"fpexcept.strict") #0
105  ret i128 %conv
106}
107
108; Test signed f9->i128.
109define i128 @f9(float %f) #0 {
110; CHECK-LABEL: f9:
111; CHECK: brasl %r14, __fixsfti@PLT
112; CHECK: br %r14
113  %conv = call i128 @llvm.experimental.constrained.fptosi.i128.f32(float %f,
114                                               metadata !"fpexcept.strict") #0
115  ret i128 %conv
116}
117
118; Test unsigned f128->i128.
119define i128 @f10(fp128 %f) #0 {
120; CHECK-LABEL: f10:
121; CHECK: brasl %r14, __fixunstfti@PLT
122; CHECK: br %r14
123  %conv = call i128 @llvm.experimental.constrained.fptoui.i128.f128(fp128 %f,
124                                               metadata !"fpexcept.strict") #0
125  ret i128 %conv
126}
127
128; Test unsigned f64->i128.
129define i128 @f11(double %f) #0 {
130; CHECK-LABEL: f11:
131; CHECK: brasl %r14, __fixunsdfti@PLT
132; CHECK: br %r14
133  %conv = call i128 @llvm.experimental.constrained.fptoui.i128.f64(double %f,
134                                               metadata !"fpexcept.strict") #0
135  ret i128 %conv
136}
137
138; Test unsigned f32->i128.
139define i128 @f12(float %f) #0 {
140; CHECK-LABEL: f12:
141; CHECK: brasl %r14, __fixunssfti@PLT
142; CHECK: br %r14
143  %conv = call i128 @llvm.experimental.constrained.fptoui.i128.f32(float %f,
144                                               metadata !"fpexcept.strict") #0
145  ret i128 %conv
146}
147
148attributes #0 = { strictfp }
149