1 ; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
2 ; Test use of RISBG vs RISBGN on zEC12.
4 ; RUN: llc < %s -mtriple=s390x-linux-gnu -mcpu=zEC12 | FileCheck %s
6 ; On zEC12, we generally prefer RISBGN.
7 define i64 @f1(i64 %a, i64 %b) {
10 ; CHECK-NEXT: risbgn %r2, %r3, 60, 62, 0
12 %anda = and i64 %a, -15
13 %andb = and i64 %b, 14
14 %or = or i64 %anda, %andb
18 ; But we may fall back to RISBG if we can use the condition code.
19 define i64 @f2(i64 %a, i64 %b, ptr %c) {
22 ; CHECK-NEXT: risbg %r2, %r3, 60, 62, 0
24 ; CHECK-NEXT: risblg %r0, %r0, 31, 159, 35
25 ; CHECK-NEXT: st %r0, 0(%r4)
27 %anda = and i64 %a, -15
28 %andb = and i64 %b, 14
29 %or = or i64 %anda, %andb
30 %cmp = icmp sgt i64 %or, 0
31 %conv = zext i1 %cmp to i32
32 store i32 %conv, ptr %c, align 4