xref: /aosp_15_r20/external/llvm/test/CodeGen/SystemZ/addr-01.ll (revision 9880d6810fe72a1726cb53787c6711e909410d58)
1*9880d681SAndroid Build Coastguard Worker; Test selection of addresses with indices in cases where the address
2*9880d681SAndroid Build Coastguard Worker; is used once.
3*9880d681SAndroid Build Coastguard Worker;
4*9880d681SAndroid Build Coastguard Worker; RUN: llc < %s -mtriple=s390x-linux-gnu | FileCheck %s
5*9880d681SAndroid Build Coastguard Worker
6*9880d681SAndroid Build Coastguard Worker; A simple index address.
7*9880d681SAndroid Build Coastguard Workerdefine void @f1(i64 %addr, i64 %index) {
8*9880d681SAndroid Build Coastguard Worker; CHECK-LABEL: f1:
9*9880d681SAndroid Build Coastguard Worker; CHECK: lb %r0, 0(%r3,%r2)
10*9880d681SAndroid Build Coastguard Worker; CHECK: br %r14
11*9880d681SAndroid Build Coastguard Worker  %add = add i64 %addr, %index
12*9880d681SAndroid Build Coastguard Worker  %ptr = inttoptr i64 %add to i8 *
13*9880d681SAndroid Build Coastguard Worker  %a = load volatile i8 , i8 *%ptr
14*9880d681SAndroid Build Coastguard Worker  ret void
15*9880d681SAndroid Build Coastguard Worker}
16*9880d681SAndroid Build Coastguard Worker
17*9880d681SAndroid Build Coastguard Worker; An address with an index and a displacement (order 1).
18*9880d681SAndroid Build Coastguard Workerdefine void @f2(i64 %addr, i64 %index) {
19*9880d681SAndroid Build Coastguard Worker; CHECK-LABEL: f2:
20*9880d681SAndroid Build Coastguard Worker; CHECK: lb %r0, 100(%r3,%r2)
21*9880d681SAndroid Build Coastguard Worker; CHECK: br %r14
22*9880d681SAndroid Build Coastguard Worker  %add1 = add i64 %addr, %index
23*9880d681SAndroid Build Coastguard Worker  %add2 = add i64 %add1, 100
24*9880d681SAndroid Build Coastguard Worker  %ptr = inttoptr i64 %add2 to i8 *
25*9880d681SAndroid Build Coastguard Worker  %a = load volatile i8 , i8 *%ptr
26*9880d681SAndroid Build Coastguard Worker  ret void
27*9880d681SAndroid Build Coastguard Worker}
28*9880d681SAndroid Build Coastguard Worker
29*9880d681SAndroid Build Coastguard Worker; An address with an index and a displacement (order 2).
30*9880d681SAndroid Build Coastguard Workerdefine void @f3(i64 %addr, i64 %index) {
31*9880d681SAndroid Build Coastguard Worker; CHECK-LABEL: f3:
32*9880d681SAndroid Build Coastguard Worker; CHECK: lb %r0, 100(%r3,%r2)
33*9880d681SAndroid Build Coastguard Worker; CHECK: br %r14
34*9880d681SAndroid Build Coastguard Worker  %add1 = add i64 %addr, 100
35*9880d681SAndroid Build Coastguard Worker  %add2 = add i64 %add1, %index
36*9880d681SAndroid Build Coastguard Worker  %ptr = inttoptr i64 %add2 to i8 *
37*9880d681SAndroid Build Coastguard Worker  %a = load volatile i8 , i8 *%ptr
38*9880d681SAndroid Build Coastguard Worker  ret void
39*9880d681SAndroid Build Coastguard Worker}
40*9880d681SAndroid Build Coastguard Worker
41*9880d681SAndroid Build Coastguard Worker; An address with an index and a subtracted displacement (order 1).
42*9880d681SAndroid Build Coastguard Workerdefine void @f4(i64 %addr, i64 %index) {
43*9880d681SAndroid Build Coastguard Worker; CHECK-LABEL: f4:
44*9880d681SAndroid Build Coastguard Worker; CHECK: lb %r0, -100(%r3,%r2)
45*9880d681SAndroid Build Coastguard Worker; CHECK: br %r14
46*9880d681SAndroid Build Coastguard Worker  %add1 = add i64 %addr, %index
47*9880d681SAndroid Build Coastguard Worker  %add2 = sub i64 %add1, 100
48*9880d681SAndroid Build Coastguard Worker  %ptr = inttoptr i64 %add2 to i8 *
49*9880d681SAndroid Build Coastguard Worker  %a = load volatile i8 , i8 *%ptr
50*9880d681SAndroid Build Coastguard Worker  ret void
51*9880d681SAndroid Build Coastguard Worker}
52*9880d681SAndroid Build Coastguard Worker
53*9880d681SAndroid Build Coastguard Worker; An address with an index and a subtracted displacement (order 2).
54*9880d681SAndroid Build Coastguard Workerdefine void @f5(i64 %addr, i64 %index) {
55*9880d681SAndroid Build Coastguard Worker; CHECK-LABEL: f5:
56*9880d681SAndroid Build Coastguard Worker; CHECK: lb %r0, -100(%r3,%r2)
57*9880d681SAndroid Build Coastguard Worker; CHECK: br %r14
58*9880d681SAndroid Build Coastguard Worker  %add1 = sub i64 %addr, 100
59*9880d681SAndroid Build Coastguard Worker  %add2 = add i64 %add1, %index
60*9880d681SAndroid Build Coastguard Worker  %ptr = inttoptr i64 %add2 to i8 *
61*9880d681SAndroid Build Coastguard Worker  %a = load volatile i8 , i8 *%ptr
62*9880d681SAndroid Build Coastguard Worker  ret void
63*9880d681SAndroid Build Coastguard Worker}
64*9880d681SAndroid Build Coastguard Worker
65*9880d681SAndroid Build Coastguard Worker; An address with an index and a displacement added using OR.
66*9880d681SAndroid Build Coastguard Workerdefine void @f6(i64 %addr, i64 %index) {
67*9880d681SAndroid Build Coastguard Worker; CHECK-LABEL: f6:
68*9880d681SAndroid Build Coastguard Worker; CHECK: nill %r2, 65528
69*9880d681SAndroid Build Coastguard Worker; CHECK: lb %r0, 6(%r3,%r2)
70*9880d681SAndroid Build Coastguard Worker; CHECK: br %r14
71*9880d681SAndroid Build Coastguard Worker  %aligned = and i64 %addr, -8
72*9880d681SAndroid Build Coastguard Worker  %or = or i64 %aligned, 6
73*9880d681SAndroid Build Coastguard Worker  %add = add i64 %or, %index
74*9880d681SAndroid Build Coastguard Worker  %ptr = inttoptr i64 %add to i8 *
75*9880d681SAndroid Build Coastguard Worker  %a = load volatile i8 , i8 *%ptr
76*9880d681SAndroid Build Coastguard Worker  ret void
77*9880d681SAndroid Build Coastguard Worker}
78*9880d681SAndroid Build Coastguard Worker
79*9880d681SAndroid Build Coastguard Worker; Like f6, but without the masking.  This OR doesn't count as a displacement.
80*9880d681SAndroid Build Coastguard Workerdefine void @f7(i64 %addr, i64 %index) {
81*9880d681SAndroid Build Coastguard Worker; CHECK-LABEL: f7:
82*9880d681SAndroid Build Coastguard Worker; CHECK: oill %r2, 6
83*9880d681SAndroid Build Coastguard Worker; CHECK: lb %r0, 0(%r3,%r2)
84*9880d681SAndroid Build Coastguard Worker; CHECK: br %r14
85*9880d681SAndroid Build Coastguard Worker  %or = or i64 %addr, 6
86*9880d681SAndroid Build Coastguard Worker  %add = add i64 %or, %index
87*9880d681SAndroid Build Coastguard Worker  %ptr = inttoptr i64 %add to i8 *
88*9880d681SAndroid Build Coastguard Worker  %a = load volatile i8 , i8 *%ptr
89*9880d681SAndroid Build Coastguard Worker  ret void
90*9880d681SAndroid Build Coastguard Worker}
91*9880d681SAndroid Build Coastguard Worker
92*9880d681SAndroid Build Coastguard Worker; Like f6, but with the OR applied after the index.  We don't know anything
93*9880d681SAndroid Build Coastguard Worker; about the alignment of %add here.
94*9880d681SAndroid Build Coastguard Workerdefine void @f8(i64 %addr, i64 %index) {
95*9880d681SAndroid Build Coastguard Worker; CHECK-LABEL: f8:
96*9880d681SAndroid Build Coastguard Worker; CHECK: nill %r2, 65528
97*9880d681SAndroid Build Coastguard Worker; CHECK: agr %r2, %r3
98*9880d681SAndroid Build Coastguard Worker; CHECK: oill %r2, 6
99*9880d681SAndroid Build Coastguard Worker; CHECK: lb %r0, 0(%r2)
100*9880d681SAndroid Build Coastguard Worker; CHECK: br %r14
101*9880d681SAndroid Build Coastguard Worker  %aligned = and i64 %addr, -8
102*9880d681SAndroid Build Coastguard Worker  %add = add i64 %aligned, %index
103*9880d681SAndroid Build Coastguard Worker  %or = or i64 %add, 6
104*9880d681SAndroid Build Coastguard Worker  %ptr = inttoptr i64 %or to i8 *
105*9880d681SAndroid Build Coastguard Worker  %a = load volatile i8 , i8 *%ptr
106*9880d681SAndroid Build Coastguard Worker  ret void
107*9880d681SAndroid Build Coastguard Worker}
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