1; Test strict vector subtraction.
2;
3; RUN: llc < %s -mtriple=s390x-linux-gnu -mcpu=z13 | FileCheck %s
4
5declare double @llvm.experimental.constrained.fsub.f64(double, double, metadata, metadata)
6declare <2 x double> @llvm.experimental.constrained.fsub.v2f64(<2 x double>, <2 x double>, metadata, metadata)
7
8; Test a v2f64 subtraction.
9define <2 x double> @f6(<2 x double> %dummy, <2 x double> %val1,
10                        <2 x double> %val2) #0 {
11; CHECK-LABEL: f6:
12; CHECK: vfsdb %v24, %v26, %v28
13; CHECK: br %r14
14  %ret = call <2 x double> @llvm.experimental.constrained.fsub.v2f64(
15                        <2 x double> %val1, <2 x double> %val2,
16                        metadata !"round.dynamic",
17                        metadata !"fpexcept.strict") #0
18  ret <2 x double> %ret
19}
20
21; Test an f64 subtraction that uses vector registers.
22define double @f7(<2 x double> %val1, <2 x double> %val2) #0 {
23; CHECK-LABEL: f7:
24; CHECK: wfsdb %f0, %v24, %v26
25; CHECK: br %r14
26  %scalar1 = extractelement <2 x double> %val1, i32 0
27  %scalar2 = extractelement <2 x double> %val2, i32 0
28  %ret = call double @llvm.experimental.constrained.fsub.f64(
29                        double %scalar1, double %scalar2,
30                        metadata !"round.dynamic",
31                        metadata !"fpexcept.strict") #0
32  ret double %ret
33}
34
35attributes #0 = { strictfp }
36