1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
|
; Test strict conversions of unsigned integers to floating-point values
; (z196 and above).
;
; RUN: llc < %s -mtriple=s390x-linux-gnu -mcpu=z196 | FileCheck %s
declare float @llvm.experimental.constrained.uitofp.f32.i32(i32, metadata, metadata)
declare double @llvm.experimental.constrained.uitofp.f64.i32(i32, metadata, metadata)
declare fp128 @llvm.experimental.constrained.uitofp.f128.i32(i32, metadata, metadata)
declare float @llvm.experimental.constrained.uitofp.f32.i64(i64, metadata, metadata)
declare double @llvm.experimental.constrained.uitofp.f64.i64(i64, metadata, metadata)
declare fp128 @llvm.experimental.constrained.uitofp.f128.i64(i64, metadata, metadata)
; Check i32->f32.
define float @f1(i32 %i) #0 {
; CHECK-LABEL: f1:
; CHECK: celfbr %f0, 0, %r2, 0
; CHECK: br %r14
%conv = call float @llvm.experimental.constrained.uitofp.f32.i32(i32 %i,
metadata !"round.dynamic",
metadata !"fpexcept.strict") #0
ret float %conv
}
; Check i32->f64.
define double @f2(i32 %i) #0 {
; CHECK-LABEL: f2:
; CHECK: cdlfbr %f0, 0, %r2, 0
; CHECK: br %r14
%conv = call double @llvm.experimental.constrained.uitofp.f64.i32(i32 %i,
metadata !"round.dynamic",
metadata !"fpexcept.strict") #0
ret double %conv
}
; Check i32->f128.
define void @f3(i32 %i, ptr %dst) #0 {
; CHECK-LABEL: f3:
; CHECK: cxlfbr %f0, 0, %r2, 0
; CHECK-DAG: std %f0, 0(%r3)
; CHECK-DAG: std %f2, 8(%r3)
; CHECK: br %r14
%conv = call fp128 @llvm.experimental.constrained.uitofp.f128.i32(i32 %i,
metadata !"round.dynamic",
metadata !"fpexcept.strict") #0
store fp128 %conv, ptr %dst
ret void
}
; Check i64->f32.
define float @f4(i64 %i) #0 {
; CHECK-LABEL: f4:
; CHECK: celgbr %f0, 0, %r2, 0
; CHECK: br %r14
%conv = call float @llvm.experimental.constrained.uitofp.f32.i64(i64 %i,
metadata !"round.dynamic",
metadata !"fpexcept.strict") #0
ret float %conv
}
; Check i64->f64.
define double @f5(i64 %i) #0 {
; CHECK-LABEL: f5:
; CHECK: cdlgbr %f0, 0, %r2, 0
; CHECK: br %r14
%conv = call double @llvm.experimental.constrained.uitofp.f64.i64(i64 %i,
metadata !"round.dynamic",
metadata !"fpexcept.strict") #0
ret double %conv
}
; Check i64->f128.
define void @f6(i64 %i, ptr %dst) #0 {
; CHECK-LABEL: f6:
; CHECK: cxlgbr %f0, 0, %r2, 0
; CHECK-DAG: std %f0, 0(%r3)
; CHECK-DAG: std %f2, 8(%r3)
; CHECK: br %r14
%conv = call fp128 @llvm.experimental.constrained.uitofp.f128.i64(i64 %i,
metadata !"round.dynamic",
metadata !"fpexcept.strict") #0
store fp128 %conv, ptr %dst
ret void
}
attributes #0 = { strictfp }
|
