1; Test conversions between different-sized float elements.
2;
3; RUN: llc < %s -mtriple=s390x-linux-gnu -mcpu=z13 | FileCheck %s
4
5declare <2 x float> @llvm.experimental.constrained.fptrunc.v2f32.v2f64(<2 x double>, metadata, metadata)
6declare float @llvm.experimental.constrained.fptrunc.f32.f64(double, metadata, metadata)
7
8declare <2 x double> @llvm.experimental.constrained.fpext.v2f64.v2f32(<2 x float>, metadata)
9declare double @llvm.experimental.constrained.fpext.f64.f32(float, metadata)
10
11; Test cases where both elements of a v2f64 are converted to f32s.
12define void @f1(<2 x double> %val, <2 x float> *%ptr) #0 {
13; CHECK-LABEL: f1:
14; CHECK: vledb {{%v[0-9]+}}, %v24, 0, 0
15; CHECK: br %r14
16  %res = call <2 x float> @llvm.experimental.constrained.fptrunc.v2f32.v2f64(
17                                               <2 x double> %val,
18                                               metadata !"round.dynamic",
19                                               metadata !"fpexcept.strict") #0
20  store <2 x float> %res, <2 x float> *%ptr
21  ret void
22}
23
24; Test conversion of an f64 in a vector register to an f32.
25define float @f2(<2 x double> %vec) #0 {
26; CHECK-LABEL: f2:
27; CHECK: wledb %f0, %v24, 0, 0
28; CHECK: br %r14
29  %scalar = extractelement <2 x double> %vec, i32 0
30  %ret = call float @llvm.experimental.constrained.fptrunc.f32.f64(
31                                               double %scalar,
32                                               metadata !"round.dynamic",
33                                               metadata !"fpexcept.strict") #0
34  ret float %ret
35}
36
37; Test cases where even elements of a v4f32 are converted to f64s.
38define <2 x double> @f3(<4 x float> %vec) #0 {
39; CHECK-LABEL: f3:
40; CHECK: vldeb %v24, {{%v[0-9]+}}
41; CHECK: br %r14
42  %shuffle = shufflevector <4 x float> %vec, <4 x float> undef, <2 x i32> <i32 0, i32 2>
43  %res = call <2 x double> @llvm.experimental.constrained.fpext.v2f64.v2f32(
44                                               <2 x float> %shuffle,
45                                               metadata !"fpexcept.strict") #0
46  ret <2 x double> %res
47}
48
49; Test conversion of an f32 in a vector register to an f64.
50define double @f4(<4 x float> %vec) #0 {
51; CHECK-LABEL: f4:
52; CHECK: wldeb %f0, %v24
53; CHECK: br %r14
54  %scalar = extractelement <4 x float> %vec, i32 0
55  %ret = call double @llvm.experimental.constrained.fpext.f64.f32(
56                                               float %scalar,
57                                               metadata !"fpexcept.strict") #0
58  ret double %ret
59}
60
61attributes #0 = { strictfp }
62