xref: /llvm-project/llvm/test/CodeGen/SystemZ/xor-09.ll (revision 82a1bffd34dab41a379d5854ffa84332bd6456d2)
1; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py UTC_ARGS: --version 2
2; Test 128-bit XOR in vector registers on z13
3;
4; RUN: llc < %s -mtriple=s390x-linux-gnu -mcpu=z13 | FileCheck %s
5
6; Exclusive or.
7define i128 @f1(i128 %a, i128 %b) {
8; CHECK-LABEL: f1:
9; CHECK:       # %bb.0:
10; CHECK-NEXT:    vl %v0, 0(%r4), 3
11; CHECK-NEXT:    vl %v1, 0(%r3), 3
12; CHECK-NEXT:    vx %v0, %v1, %v0
13; CHECK-NEXT:    vst %v0, 0(%r2), 3
14; CHECK-NEXT:    br %r14
15  %res = xor i128 %a, %b
16  ret i128 %res
17}
18
19; Verify that xor with a large constant does not crash.
20define i128 @f2(i128 %x) {
21; CHECK-LABEL: f2:
22; CHECK:       # %bb.0:
23; CHECK-NEXT:    larl %r1, .LCPI1_0
24; CHECK-NEXT:    vl %v0, 0(%r3), 3
25; CHECK-NEXT:    vl %v1, 0(%r1), 3
26; CHECK-NEXT:    vx %v0, %v0, %v1
27; CHECK-NEXT:    vst %v0, 0(%r2), 3
28; CHECK-NEXT:    br %r14
29  %res = xor i128 %x, 17440380254424117642
30  ret i128 %res
31}
32