xref: /aosp_15_r20/external/llvm/test/CodeGen/SystemZ/xor-04.ll (revision 9880d6810fe72a1726cb53787c6711e909410d58)
1*9880d681SAndroid Build Coastguard Worker; Test 64-bit XORs in which the second operand is constant.
2*9880d681SAndroid Build Coastguard Worker;
3*9880d681SAndroid Build Coastguard Worker; RUN: llc < %s -mtriple=s390x-linux-gnu | FileCheck %s
4*9880d681SAndroid Build Coastguard Worker
5*9880d681SAndroid Build Coastguard Worker; Check the lowest useful XILF value.
6*9880d681SAndroid Build Coastguard Workerdefine i64 @f1(i64 %a) {
7*9880d681SAndroid Build Coastguard Worker; CHECK-LABEL: f1:
8*9880d681SAndroid Build Coastguard Worker; CHECK: xilf %r2, 1
9*9880d681SAndroid Build Coastguard Worker; CHECK: br %r14
10*9880d681SAndroid Build Coastguard Worker  %xor = xor i64 %a, 1
11*9880d681SAndroid Build Coastguard Worker  ret i64 %xor
12*9880d681SAndroid Build Coastguard Worker}
13*9880d681SAndroid Build Coastguard Worker
14*9880d681SAndroid Build Coastguard Worker; Check the high end of the XILF range.
15*9880d681SAndroid Build Coastguard Workerdefine i64 @f2(i64 %a) {
16*9880d681SAndroid Build Coastguard Worker; CHECK-LABEL: f2:
17*9880d681SAndroid Build Coastguard Worker; CHECK: xilf %r2, 4294967295
18*9880d681SAndroid Build Coastguard Worker; CHECK: br %r14
19*9880d681SAndroid Build Coastguard Worker  %xor = xor i64 %a, 4294967295
20*9880d681SAndroid Build Coastguard Worker  ret i64 %xor
21*9880d681SAndroid Build Coastguard Worker}
22*9880d681SAndroid Build Coastguard Worker
23*9880d681SAndroid Build Coastguard Worker; Check the lowest useful XIHF value, which is one up from the above.
24*9880d681SAndroid Build Coastguard Workerdefine i64 @f3(i64 %a) {
25*9880d681SAndroid Build Coastguard Worker; CHECK-LABEL: f3:
26*9880d681SAndroid Build Coastguard Worker; CHECK: xihf %r2, 1
27*9880d681SAndroid Build Coastguard Worker; CHECK: br %r14
28*9880d681SAndroid Build Coastguard Worker  %xor = xor i64 %a, 4294967296
29*9880d681SAndroid Build Coastguard Worker  ret i64 %xor
30*9880d681SAndroid Build Coastguard Worker}
31*9880d681SAndroid Build Coastguard Worker
32*9880d681SAndroid Build Coastguard Worker; Check the next value up again, which needs a combination of XIHF and XILF.
33*9880d681SAndroid Build Coastguard Workerdefine i64 @f4(i64 %a) {
34*9880d681SAndroid Build Coastguard Worker; CHECK-LABEL: f4:
35*9880d681SAndroid Build Coastguard Worker; CHECK: xihf %r2, 1
36*9880d681SAndroid Build Coastguard Worker; CHECK: xilf %r2, 4294967295
37*9880d681SAndroid Build Coastguard Worker; CHECK: br %r14
38*9880d681SAndroid Build Coastguard Worker  %xor = xor i64 %a, 8589934591
39*9880d681SAndroid Build Coastguard Worker  ret i64 %xor
40*9880d681SAndroid Build Coastguard Worker}
41*9880d681SAndroid Build Coastguard Worker
42*9880d681SAndroid Build Coastguard Worker; Check the high end of the XIHF range.
43*9880d681SAndroid Build Coastguard Workerdefine i64 @f5(i64 %a) {
44*9880d681SAndroid Build Coastguard Worker; CHECK-LABEL: f5:
45*9880d681SAndroid Build Coastguard Worker; CHECK: xihf %r2, 4294967295
46*9880d681SAndroid Build Coastguard Worker; CHECK: br %r14
47*9880d681SAndroid Build Coastguard Worker  %xor = xor i64 %a, -4294967296
48*9880d681SAndroid Build Coastguard Worker  ret i64 %xor
49*9880d681SAndroid Build Coastguard Worker}
50*9880d681SAndroid Build Coastguard Worker
51*9880d681SAndroid Build Coastguard Worker; Check the next value up, which again must use XIHF and XILF.
52*9880d681SAndroid Build Coastguard Workerdefine i64 @f6(i64 %a) {
53*9880d681SAndroid Build Coastguard Worker; CHECK-LABEL: f6:
54*9880d681SAndroid Build Coastguard Worker; CHECK: xihf %r2, 4294967295
55*9880d681SAndroid Build Coastguard Worker; CHECK: xilf %r2, 1
56*9880d681SAndroid Build Coastguard Worker; CHECK: br %r14
57*9880d681SAndroid Build Coastguard Worker  %xor = xor i64 %a, -4294967295
58*9880d681SAndroid Build Coastguard Worker  ret i64 %xor
59*9880d681SAndroid Build Coastguard Worker}
60*9880d681SAndroid Build Coastguard Worker
61*9880d681SAndroid Build Coastguard Worker; Check full bitwise negation
62*9880d681SAndroid Build Coastguard Workerdefine i64 @f7(i64 %a) {
63*9880d681SAndroid Build Coastguard Worker; CHECK-LABEL: f7:
64*9880d681SAndroid Build Coastguard Worker; CHECK: xihf %r2, 4294967295
65*9880d681SAndroid Build Coastguard Worker; CHECK: xilf %r2, 4294967295
66*9880d681SAndroid Build Coastguard Worker; CHECK: br %r14
67*9880d681SAndroid Build Coastguard Worker  %xor = xor i64 %a, -1
68*9880d681SAndroid Build Coastguard Worker  ret i64 %xor
69*9880d681SAndroid Build Coastguard Worker}
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