1; Test strict 128-bit floating-point subtraction on z14.
2;
3; RUN: llc < %s -mtriple=s390x-linux-gnu -mcpu=z14 | FileCheck %s
4
5declare fp128 @llvm.experimental.constrained.fsub.f128(fp128, fp128, metadata, metadata)
6
7define void @f1(fp128 *%ptr1, fp128 *%ptr2) strictfp {
8; CHECK-LABEL: f1:
9; CHECK-DAG: vl [[REG1:%v[0-9]+]], 0(%r2)
10; CHECK-DAG: vl [[REG2:%v[0-9]+]], 0(%r3)
11; CHECK: wfsxb [[RES:%v[0-9]+]], [[REG1]], [[REG2]]
12; CHECK: vst [[RES]], 0(%r2)
13; CHECK: br %r14
14  %f1 = load fp128, fp128 *%ptr1
15  %f2 = load fp128, fp128 *%ptr2
16  %sum = call fp128 @llvm.experimental.constrained.fsub.f128(
17                        fp128 %f1, fp128 %f2,
18                        metadata !"round.dynamic",
19                        metadata !"fpexcept.strict") strictfp
20  store fp128 %sum, fp128 *%ptr1
21  ret void
22}
23