1; Testing peephole for generating shorter code for (and (xor b, -1), a)
2;
3; RUN: llc < %s -mtriple=s390x-linux-gnu | FileCheck %s
4
5define i64 @f1(i64 %a, i64 %b) {
6; CHECK-LABEL: f1:
7; CHECK: ngr %r3, %r2
8; CHECK: xgr %r2, %r3
9; CHECK: br %r14
10  %neg = xor i64 %b, -1
11  %and = and i64 %neg, %a
12  ret i64 %and
13}
14
15