xref: /aosp_15_r20/external/llvm/test/CodeGen/SystemZ/setcc-01.ll (revision 9880d6810fe72a1726cb53787c6711e909410d58)
1*9880d681SAndroid Build Coastguard Worker; Test SETCC for every integer condition.  The tests here assume that
2*9880d681SAndroid Build Coastguard Worker; RISBLG isn't available.
3*9880d681SAndroid Build Coastguard Worker;
4*9880d681SAndroid Build Coastguard Worker; RUN: llc < %s -mtriple=s390x-linux-gnu -mcpu=z10 | FileCheck %s
5*9880d681SAndroid Build Coastguard Worker
6*9880d681SAndroid Build Coastguard Worker; Test CC in { 0 }, with 3 don't care.
7*9880d681SAndroid Build Coastguard Workerdefine i32 @f1(i32 %a, i32 %b) {
8*9880d681SAndroid Build Coastguard Worker; CHECK-LABEL: f1:
9*9880d681SAndroid Build Coastguard Worker; CHECK: ipm %r2
10*9880d681SAndroid Build Coastguard Worker; CHECK-NEXT: afi %r2, -268435456
11*9880d681SAndroid Build Coastguard Worker; CHECK-NEXT: srl %r2, 31
12*9880d681SAndroid Build Coastguard Worker; CHECK: br %r14
13*9880d681SAndroid Build Coastguard Worker  %cond = icmp eq i32 %a, %b
14*9880d681SAndroid Build Coastguard Worker  %res = zext i1 %cond to i32
15*9880d681SAndroid Build Coastguard Worker  ret i32 %res
16*9880d681SAndroid Build Coastguard Worker}
17*9880d681SAndroid Build Coastguard Worker
18*9880d681SAndroid Build Coastguard Worker; Test CC in { 1 }, with 3 don't care.
19*9880d681SAndroid Build Coastguard Workerdefine i32 @f2(i32 %a, i32 %b) {
20*9880d681SAndroid Build Coastguard Worker; CHECK-LABEL: f2:
21*9880d681SAndroid Build Coastguard Worker; CHECK: ipm [[REG:%r[0-5]]]
22*9880d681SAndroid Build Coastguard Worker; CHECK-NEXT: risbg %r2, [[REG]], 63, 191, 36
23*9880d681SAndroid Build Coastguard Worker; CHECK: br %r14
24*9880d681SAndroid Build Coastguard Worker  %cond = icmp slt i32 %a, %b
25*9880d681SAndroid Build Coastguard Worker  %res = zext i1 %cond to i32
26*9880d681SAndroid Build Coastguard Worker  ret i32 %res
27*9880d681SAndroid Build Coastguard Worker}
28*9880d681SAndroid Build Coastguard Worker
29*9880d681SAndroid Build Coastguard Worker; Test CC in { 0, 1 }, with 3 don't care.
30*9880d681SAndroid Build Coastguard Workerdefine i32 @f3(i32 %a, i32 %b) {
31*9880d681SAndroid Build Coastguard Worker; CHECK-LABEL: f3:
32*9880d681SAndroid Build Coastguard Worker; CHECK: ipm %r2
33*9880d681SAndroid Build Coastguard Worker; CHECK-NEXT: afi %r2, -536870912
34*9880d681SAndroid Build Coastguard Worker; CHECK-NEXT: srl %r2, 31
35*9880d681SAndroid Build Coastguard Worker; CHECK: br %r14
36*9880d681SAndroid Build Coastguard Worker  %cond = icmp sle i32 %a, %b
37*9880d681SAndroid Build Coastguard Worker  %res = zext i1 %cond to i32
38*9880d681SAndroid Build Coastguard Worker  ret i32 %res
39*9880d681SAndroid Build Coastguard Worker}
40*9880d681SAndroid Build Coastguard Worker
41*9880d681SAndroid Build Coastguard Worker; Test CC in { 2 }, with 3 don't care.
42*9880d681SAndroid Build Coastguard Workerdefine i32 @f4(i32 %a, i32 %b) {
43*9880d681SAndroid Build Coastguard Worker; CHECK-LABEL: f4:
44*9880d681SAndroid Build Coastguard Worker; CHECK: ipm [[REG:%r[0-5]]]
45*9880d681SAndroid Build Coastguard Worker; CHECK-NEXT: risbg %r2, [[REG]], 63, 191, 35
46*9880d681SAndroid Build Coastguard Worker; CHECK: br %r14
47*9880d681SAndroid Build Coastguard Worker  %cond = icmp sgt i32 %a, %b
48*9880d681SAndroid Build Coastguard Worker  %res = zext i1 %cond to i32
49*9880d681SAndroid Build Coastguard Worker  ret i32 %res
50*9880d681SAndroid Build Coastguard Worker}
51*9880d681SAndroid Build Coastguard Worker
52*9880d681SAndroid Build Coastguard Worker; Test CC in { 0, 2 }, with 3 don't care.
53*9880d681SAndroid Build Coastguard Workerdefine i32 @f5(i32 %a, i32 %b) {
54*9880d681SAndroid Build Coastguard Worker; CHECK-LABEL: f5:
55*9880d681SAndroid Build Coastguard Worker; CHECK: ipm [[REG:%r[0-5]]]
56*9880d681SAndroid Build Coastguard Worker; CHECK-NEXT: xilf [[REG]], 4294967295
57*9880d681SAndroid Build Coastguard Worker; CHECK-NEXT: risbg %r2, [[REG]], 63, 191, 36
58*9880d681SAndroid Build Coastguard Worker; CHECK: br %r14
59*9880d681SAndroid Build Coastguard Worker  %cond = icmp sge i32 %a, %b
60*9880d681SAndroid Build Coastguard Worker  %res = zext i1 %cond to i32
61*9880d681SAndroid Build Coastguard Worker  ret i32 %res
62*9880d681SAndroid Build Coastguard Worker}
63*9880d681SAndroid Build Coastguard Worker
64*9880d681SAndroid Build Coastguard Worker; Test CC in { 1, 2 }, with 3 don't care.
65*9880d681SAndroid Build Coastguard Workerdefine i32 @f6(i32 %a, i32 %b) {
66*9880d681SAndroid Build Coastguard Worker; CHECK-LABEL: f6:
67*9880d681SAndroid Build Coastguard Worker; CHECK: ipm %r2
68*9880d681SAndroid Build Coastguard Worker; CHECK-NEXT: afi %r2, 1879048192
69*9880d681SAndroid Build Coastguard Worker; CHECK-NEXT: srl %r2, 31
70*9880d681SAndroid Build Coastguard Worker; CHECK: br %r14
71*9880d681SAndroid Build Coastguard Worker  %cond = icmp ne i32 %a, %b
72*9880d681SAndroid Build Coastguard Worker  %res = zext i1 %cond to i32
73*9880d681SAndroid Build Coastguard Worker  ret i32 %res
74*9880d681SAndroid Build Coastguard Worker}
75