1; Test 128-bit floating-point comparison.  The tests assume a z10 implementation
2; of select, using conditional branches rather than LOCGR.
3;
4; RUN: llc < %s -mtriple=s390x-linux-gnu -mcpu=z10 | FileCheck %s
5
6; There is no memory form of 128-bit comparison.
7define i64 @f1(i64 %a, i64 %b, fp128 *%ptr, float %f2) {
8; CHECK-LABEL: f1:
9; CHECK: lxebr %f0, %f0
10; CHECK: ld %f1, 0(%r4)
11; CHECK: ld %f3, 8(%r4)
12; CHECK: cxbr %f1, %f0
13; CHECK-NEXT: je
14; CHECK: lgr %r2, %r3
15; CHECK: br %r14
16  %f2x = fpext float %f2 to fp128
17  %f1 = load fp128 *%ptr
18  %cond = fcmp oeq fp128 %f1, %f2x
19  %res = select i1 %cond, i64 %a, i64 %b
20  ret i64 %res
21}
22
23; Check comparison with zero.
24define i64 @f2(i64 %a, i64 %b, fp128 *%ptr) {
25; CHECK-LABEL: f2:
26; CHECK: ld %f0, 0(%r4)
27; CHECK: ld %f2, 8(%r4)
28; CHECK: ltxbr %f0, %f0
29; CHECK-NEXT: je
30; CHECK: lgr %r2, %r3
31; CHECK: br %r14
32  %f = load fp128 *%ptr
33  %cond = fcmp oeq fp128 %f, 0xL00000000000000000000000000000000
34  %res = select i1 %cond, i64 %a, i64 %b
35  ret i64 %res
36}
37