1; Test strict 128-bit floating-point addition.
2;
3; RUN: llc < %s -mtriple=s390x-linux-gnu | FileCheck %s
4
5declare fp128 @llvm.experimental.constrained.fadd.f128(fp128, fp128, metadata, metadata)
6declare fp128 @llvm.experimental.constrained.fpext.f128.f32(float, metadata)
7
8; There is no memory form of 128-bit addition.
9define void @f1(fp128 *%ptr, float %f2) strictfp {
10; CHECK-LABEL: f1:
11; CHECK-DAG: lxebr %f0, %f0
12; CHECK-DAG: ld %f1, 0(%r2)
13; CHECK-DAG: ld %f3, 8(%r2)
14; CHECK: axbr %f0, %f1
15; CHECK: std %f0, 0(%r2)
16; CHECK: std %f2, 8(%r2)
17; CHECK: br %r14
18  %f1 = load fp128, fp128 *%ptr
19  %f2x = call fp128 @llvm.experimental.constrained.fpext.f128.f32(float %f2,
20                                               metadata !"fpexcept.strict") #0
21  %sum = call fp128 @llvm.experimental.constrained.fadd.f128(
22                        fp128 %f1, fp128 %f2x,
23                        metadata !"round.dynamic",
24                        metadata !"fpexcept.strict") #0
25  store fp128 %sum, fp128 *%ptr
26  ret void
27}
28
29attributes #0 = { strictfp }
30