1; Test use of RISBG vs RISBGN on zEC12.
2;
3; RUN: llc < %s -mtriple=s390x-linux-gnu -mcpu=zEC12 | FileCheck %s
4
5; On zEC12, we generally prefer RISBGN.
6define i64 @f1(i64 %a, i64 %b) {
7; CHECK-LABEL: f1:
8; CHECK: risbgn %r2, %r3, 60, 62, 0
9; CHECK: br %r14
10  %anda = and i64 %a, -15
11  %andb = and i64 %b, 14
12  %or = or i64 %anda, %andb
13  ret i64 %or
14}
15
16; But we may fall back to RISBG if we can use the condition code.
17define i64 @f2(i64 %a, i64 %b, i32* %c) {
18; CHECK-LABEL: f2:
19; CHECK: risbg %r2, %r3, 60, 62, 0
20; CHECK-NEXT: ipm
21; CHECK: br %r14
22  %anda = and i64 %a, -15
23  %andb = and i64 %b, 14
24  %or = or i64 %anda, %andb
25  %cmp = icmp sgt i64 %or, 0
26  %conv = zext i1 %cmp to i32
27  store i32 %conv, i32* %c, align 4
28  ret i64 %or
29}
30
31