1; Test strict conversions of unsigned i32s to floating-point values (z10 only).
2;
3; RUN: llc < %s -mtriple=s390x-linux-gnu -mcpu=z10 | FileCheck %s
4
5declare float @llvm.experimental.constrained.uitofp.f32.i32(i32, metadata, metadata)
6declare double @llvm.experimental.constrained.uitofp.f64.i32(i32, metadata, metadata)
7declare fp128 @llvm.experimental.constrained.uitofp.f128.i32(i32, metadata, metadata)
8
9; Check i32->f32.  There is no native instruction, so we must promote
10; to i64 first.
11define float @f1(i32 %i) #0 {
12; CHECK-LABEL: f1:
13; CHECK: llgfr [[REGISTER:%r[0-5]]], %r2
14; CHECK: cegbr %f0, [[REGISTER]]
15; CHECK: br %r14
16  %conv = call float @llvm.experimental.constrained.uitofp.f32.i32(i32 %i,
17                                               metadata !"round.dynamic",
18                                               metadata !"fpexcept.strict") #0
19  ret float %conv
20}
21
22; Check i32->f64.
23define double @f2(i32 %i) #0 {
24; CHECK-LABEL: f2:
25; CHECK: llgfr [[REGISTER:%r[0-5]]], %r2
26; CHECK: cdgbr %f0, [[REGISTER]]
27; CHECK: br %r14
28  %conv = call double @llvm.experimental.constrained.uitofp.f64.i32(i32 %i,
29                                               metadata !"round.dynamic",
30                                               metadata !"fpexcept.strict") #0
31  ret double %conv
32}
33
34; Check i32->f128.
35define void @f3(i32 %i, fp128 *%dst) #0 {
36; CHECK-LABEL: f3:
37; CHECK: llgfr [[REGISTER:%r[0-5]]], %r2
38; CHECK: cxgbr %f0, [[REGISTER]]
39; CHECK: std %f0, 0(%r3)
40; CHECK: std %f2, 8(%r3)
41; CHECK: br %r14
42  %conv = call fp128 @llvm.experimental.constrained.uitofp.f128.i32(i32 %i,
43                                               metadata !"round.dynamic",
44                                               metadata !"fpexcept.strict") #0
45  store fp128 %conv, fp128 *%dst
46  ret void
47}
48
49attributes #0 = { strictfp }
50