1; RUN: llc -mtriple=arm -mattr=+v6t2 %s -o - | FileCheck %s
2
3%struct.F = type { [3 x i8], i8 }
4
5@X = common global %struct.F zeroinitializer, align 4 ; <%struct.F*> [#uses=1]
6
7define void @f1([1 x i32] %f.coerce0) nounwind {
8entry:
9; CHECK: f1
10; CHECK: mov r2, #10
11; CHECK: bfi r1, r2, #22, #4
12  %0 = load i32, i32* bitcast (%struct.F* @X to i32*), align 4 ; <i32> [#uses=1]
13  %1 = and i32 %0, -62914561                      ; <i32> [#uses=1]
14  %2 = or i32 %1, 41943040                        ; <i32> [#uses=1]
15  store i32 %2, i32* bitcast (%struct.F* @X to i32*), align 4
16  ret void
17}
18
19define i32 @f2(i32 %A, i32 %B) nounwind {
20entry:
21; CHECK: f2
22; CHECK: lsr{{.*}}#7
23; CHECK: bfi r0, r1, #7, #16
24  %and = and i32 %A, -8388481                     ; <i32> [#uses=1]
25  %and2 = and i32 %B, 8388480                     ; <i32> [#uses=1]
26  %or = or i32 %and2, %and                        ; <i32> [#uses=1]
27  ret i32 %or
28}
29
30define i32 @f3(i32 %A, i32 %B) nounwind {
31entry:
32; CHECK: f3
33; CHECK: lsr{{.*}} #7
34; CHECK: bfi {{.*}}, #7, #16
35  %and = and i32 %A, 8388480                      ; <i32> [#uses=1]
36  %and2 = and i32 %B, -8388481                    ; <i32> [#uses=1]
37  %or = or i32 %and2, %and                        ; <i32> [#uses=1]
38  ret i32 %or
39}
40
41; rdar://8752056
42define i32 @f4(i32 %a) nounwind {
43; CHECK: f4
44; CHECK: movw [[R1:r[0-9]+]], #3137
45; CHECK: bfi [[R1]], {{r[0-9]+}}, #15, #5
46  %1 = shl i32 %a, 15
47  %ins7 = and i32 %1, 1015808
48  %ins12 = or i32 %ins7, 3137
49  ret i32 %ins12
50}
51
52; rdar://8458663
53define i32 @f5(i32 %a, i32 %b) nounwind {
54entry:
55; CHECK-LABEL: f5:
56; CHECK-NOT: bfc
57; CHECK: bfi r0, r1, #20, #4
58  %0 = and i32 %a, -15728641
59  %1 = shl i32 %b, 20
60  %2 = and i32 %1, 15728640
61  %3 = or i32 %2, %0
62  ret i32 %3
63}
64
65; rdar://9609030
66define i32 @f6(i32 %a, i32 %b) nounwind readnone {
67entry:
68; CHECK-LABEL: f6:
69; CHECK-NOT: bic
70; CHECK: bfi r0, r1, #8, #9
71  %and = and i32 %a, -130817
72  %and2 = shl i32 %b, 8
73  %shl = and i32 %and2, 130816
74  %or = or i32 %shl, %and
75  ret i32 %or
76}
77
78define i32 @f7(i32 %x, i32 %y) {
79; CHECK-LABEL: f7:
80; CHECK: bfi r0, r2, #4, #1
81  %y2 = and i32 %y, 4294967040 ; 0xFFFFFF00
82  %and = and i32 %x, 4
83  %or = or i32 %y2, 16
84  %cmp = icmp ne i32 %and, 0
85  %sel = select i1 %cmp, i32 %or, i32 %y2
86  ret i32 %sel
87}
88
89define i32 @f8(i32 %x, i32 %y) {
90; CHECK-LABEL: f8:
91; CHECK: bfi r0, r2, #4, #1
92; CHECK: bfi r0, r2, #5, #1
93  %y2 = and i32 %y, 4294967040 ; 0xFFFFFF00
94  %and = and i32 %x, 4
95  %or = or i32 %y2, 48
96  %cmp = icmp ne i32 %and, 0
97  %sel = select i1 %cmp, i32 %or, i32 %y2
98  ret i32 %sel
99}
100
101define i32 @f9(i32 %x, i32 %y) {
102; CHECK-LABEL: f9:
103; CHECK-NOT: bfi
104  %y2 = and i32 %y, 4294967040 ; 0xFFFFFF00
105  %and = and i32 %x, 4
106  %or = or i32 %y2, 48
107  %cmp = icmp ne i32 %and, 0
108  %sel = select i1 %cmp, i32 %y2, i32 %or
109  ret i32 %sel
110}
111
112define i32 @f10(i32 %x, i32 %y) {
113; CHECK-LABEL: f10:
114; CHECK: bfi r0, r2, #4, #2
115  %y2 = and i32 %y, 4294967040 ; 0xFFFFFF00
116  %and = and i32 %x, 4
117  %or = or i32 %y2, 32
118  %cmp = icmp ne i32 %and, 0
119  %sel = select i1 %cmp, i32 %or, i32 %y2
120
121  %aand = and i32 %x, 2
122  %aor = or i32 %sel, 16
123  %acmp = icmp ne i32 %aand, 0
124  %asel = select i1 %acmp, i32 %aor, i32 %sel
125
126  ret i32 %asel
127}
128
129define i32 @f11(i32 %x, i32 %y) {
130; CHECK-LABEL: f11:
131; CHECK: bfi r0, r2, #4, #3
132  %y2 = and i32 %y, 4294967040 ; 0xFFFFFF00
133  %and = and i32 %x, 4
134  %or = or i32 %y2, 32
135  %cmp = icmp ne i32 %and, 0
136  %sel = select i1 %cmp, i32 %or, i32 %y2
137
138  %aand = and i32 %x, 2
139  %aor = or i32 %sel, 16
140  %acmp = icmp ne i32 %aand, 0
141  %asel = select i1 %acmp, i32 %aor, i32 %sel
142
143  %band = and i32 %x, 8
144  %bor = or i32 %asel, 64
145  %bcmp = icmp ne i32 %band, 0
146  %bsel = select i1 %bcmp, i32 %bor, i32 %asel
147
148  ret i32 %bsel
149}
150
151define i32 @f12(i32 %x, i32 %y) {
152; CHECK-LABEL: f12:
153; CHECK: bfi r0, r2, #4, #1
154  %y2 = and i32 %y, 4294967040 ; 0xFFFFFF00
155  %and = and i32 %x, 4
156  %or = or i32 %y2, 16
157  %cmp = icmp eq i32 %and, 0
158  %sel = select i1 %cmp, i32 %y2, i32 %or
159  ret i32 %sel
160}
161
162define i32 @f13(i32 %x, i32 %y) {
163; CHECK-LABEL: f13:
164; CHECK-NOT: bfi
165  %y2 = and i32 %y, 4294967040 ; 0xFFFFFF00
166  %and = and i32 %x, 4
167  %or = or i32 %y2, 16
168  %cmp = icmp eq i32 %and, 42 ; Not comparing against zero!
169  %sel = select i1 %cmp, i32 %y2, i32 %or
170  ret i32 %sel
171}
172