1 ; RUN: llc -verify-machineinstrs < %s -mtriple=aarch64-none-linux-gnu | FileCheck %s
3 @var1_32 = global i32 0
4 @var2_32 = global i32 0
6 @var1_64 = global i64 0
7 @var2_64 = global i64 0
9 define void @logical_32bit() minsize {
10 ; CHECK-LABEL: logical_32bit:
11 %val1 = load i32, i32* @var1_32
12 %val2 = load i32, i32* @var2_32
14 ; First check basic and/bic/or/orn/eor/eon patterns with no shift
15 %neg_val2 = xor i32 -1, %val2
17 %and_noshift = and i32 %val1, %val2
18 ; CHECK: and {{w[0-9]+}}, {{w[0-9]+}}, {{w[0-9]+}}
19 store volatile i32 %and_noshift, i32* @var1_32
20 %bic_noshift = and i32 %neg_val2, %val1
21 ; CHECK: bic {{w[0-9]+}}, {{w[0-9]+}}, {{w[0-9]+}}
22 store volatile i32 %bic_noshift, i32* @var1_32
24 %or_noshift = or i32 %val1, %val2
25 ; CHECK: orr {{w[0-9]+}}, {{w[0-9]+}}, {{w[0-9]+}}
26 store volatile i32 %or_noshift, i32* @var1_32
27 %orn_noshift = or i32 %neg_val2, %val1
28 ; CHECK: orn {{w[0-9]+}}, {{w[0-9]+}}, {{w[0-9]+}}
29 store volatile i32 %orn_noshift, i32* @var1_32
31 %xor_noshift = xor i32 %val1, %val2
32 ; CHECK: eor {{w[0-9]+}}, {{w[0-9]+}}, {{w[0-9]+}}
33 store volatile i32 %xor_noshift, i32* @var1_32
34 %xorn_noshift = xor i32 %neg_val2, %val1
35 ; CHECK: eon {{w[0-9]+}}, {{w[0-9]+}}, {{w[0-9]+}}
36 store volatile i32 %xorn_noshift, i32* @var1_32
38 ; Check the maximum shift on each
39 %operand_lsl31 = shl i32 %val2, 31
40 %neg_operand_lsl31 = xor i32 -1, %operand_lsl31
42 %and_lsl31 = and i32 %val1, %operand_lsl31
43 ; CHECK: and {{w[0-9]+}}, {{w[0-9]+}}, {{w[0-9]+}}, lsl #31
44 store volatile i32 %and_lsl31, i32* @var1_32
45 %bic_lsl31 = and i32 %val1, %neg_operand_lsl31
46 ; CHECK: bic {{w[0-9]+}}, {{w[0-9]+}}, {{w[0-9]+}}, lsl #31
47 store volatile i32 %bic_lsl31, i32* @var1_32
49 %or_lsl31 = or i32 %val1, %operand_lsl31
50 ; CHECK: orr {{w[0-9]+}}, {{w[0-9]+}}, {{w[0-9]+}}, lsl #31
51 store volatile i32 %or_lsl31, i32* @var1_32
52 %orn_lsl31 = or i32 %val1, %neg_operand_lsl31
53 ; CHECK: orn {{w[0-9]+}}, {{w[0-9]+}}, {{w[0-9]+}}, lsl #31
54 store volatile i32 %orn_lsl31, i32* @var1_32
56 %xor_lsl31 = xor i32 %val1, %operand_lsl31
57 ; CHECK: eor {{w[0-9]+}}, {{w[0-9]+}}, {{w[0-9]+}}, lsl #31
58 store volatile i32 %xor_lsl31, i32* @var1_32
59 %xorn_lsl31 = xor i32 %val1, %neg_operand_lsl31
60 ; CHECK: eon {{w[0-9]+}}, {{w[0-9]+}}, {{w[0-9]+}}, lsl #31
61 store volatile i32 %xorn_lsl31, i32* @var1_32
63 ; Check other shifts on a subset
64 %operand_asr10 = ashr i32 %val2, 10
65 %neg_operand_asr10 = xor i32 -1, %operand_asr10
67 %bic_asr10 = and i32 %val1, %neg_operand_asr10
68 ; CHECK: bic {{w[0-9]+}}, {{w[0-9]+}}, {{w[0-9]+}}, asr #10
69 store volatile i32 %bic_asr10, i32* @var1_32
70 %xor_asr10 = xor i32 %val1, %operand_asr10
71 ; CHECK: eor {{w[0-9]+}}, {{w[0-9]+}}, {{w[0-9]+}}, asr #10
72 store volatile i32 %xor_asr10, i32* @var1_32
74 %operand_lsr1 = lshr i32 %val2, 1
75 %neg_operand_lsr1 = xor i32 -1, %operand_lsr1
77 %orn_lsr1 = or i32 %val1, %neg_operand_lsr1
78 ; CHECK: orn {{w[0-9]+}}, {{w[0-9]+}}, {{w[0-9]+}}, lsr #1
79 store volatile i32 %orn_lsr1, i32* @var1_32
80 %xor_lsr1 = xor i32 %val1, %operand_lsr1
81 ; CHECK: eor {{w[0-9]+}}, {{w[0-9]+}}, {{w[0-9]+}}, lsr #1
82 store volatile i32 %xor_lsr1, i32* @var1_32
84 %operand_ror20_big = shl i32 %val2, 12
85 %operand_ror20_small = lshr i32 %val2, 20
86 %operand_ror20 = or i32 %operand_ror20_big, %operand_ror20_small
87 %neg_operand_ror20 = xor i32 -1, %operand_ror20
89 %xorn_ror20 = xor i32 %val1, %neg_operand_ror20
90 ; CHECK: eon {{w[0-9]+}}, {{w[0-9]+}}, {{w[0-9]+}}, ror #20
91 store volatile i32 %xorn_ror20, i32* @var1_32
92 %and_ror20 = and i32 %val1, %operand_ror20
93 ; CHECK: and {{w[0-9]+}}, {{w[0-9]+}}, {{w[0-9]+}}, ror #20
94 store volatile i32 %and_ror20, i32* @var1_32
99 define void @logical_64bit() minsize {
100 ; CHECK-LABEL: logical_64bit:
101 %val1 = load i64, i64* @var1_64
102 %val2 = load i64, i64* @var2_64
104 ; First check basic and/bic/or/orn/eor/eon patterns with no shift
105 %neg_val2 = xor i64 -1, %val2
107 %and_noshift = and i64 %val1, %val2
108 ; CHECK: and {{x[0-9]+}}, {{x[0-9]+}}, {{x[0-9]+}}
109 store volatile i64 %and_noshift, i64* @var1_64
110 %bic_noshift = and i64 %neg_val2, %val1
111 ; CHECK: bic {{x[0-9]+}}, {{x[0-9]+}}, {{x[0-9]+}}
112 store volatile i64 %bic_noshift, i64* @var1_64
114 %or_noshift = or i64 %val1, %val2
115 ; CHECK: orr {{x[0-9]+}}, {{x[0-9]+}}, {{x[0-9]+}}
116 store volatile i64 %or_noshift, i64* @var1_64
117 %orn_noshift = or i64 %neg_val2, %val1
118 ; CHECK: orn {{x[0-9]+}}, {{x[0-9]+}}, {{x[0-9]+}}
119 store volatile i64 %orn_noshift, i64* @var1_64
121 %xor_noshift = xor i64 %val1, %val2
122 ; CHECK: eor {{x[0-9]+}}, {{x[0-9]+}}, {{x[0-9]+}}
123 store volatile i64 %xor_noshift, i64* @var1_64
124 %xorn_noshift = xor i64 %neg_val2, %val1
125 ; CHECK: eon {{x[0-9]+}}, {{x[0-9]+}}, {{x[0-9]+}}
126 store volatile i64 %xorn_noshift, i64* @var1_64
128 ; Check the maximum shift on each
129 %operand_lsl63 = shl i64 %val2, 63
130 %neg_operand_lsl63 = xor i64 -1, %operand_lsl63
132 %and_lsl63 = and i64 %val1, %operand_lsl63
133 ; CHECK: and {{x[0-9]+}}, {{x[0-9]+}}, {{x[0-9]+}}, lsl #63
134 store volatile i64 %and_lsl63, i64* @var1_64
135 %bic_lsl63 = and i64 %val1, %neg_operand_lsl63
136 ; CHECK: bic {{x[0-9]+}}, {{x[0-9]+}}, {{x[0-9]+}}, lsl #63
137 store volatile i64 %bic_lsl63, i64* @var1_64
139 %or_lsl63 = or i64 %val1, %operand_lsl63
140 ; CHECK: orr {{x[0-9]+}}, {{x[0-9]+}}, {{x[0-9]+}}, lsl #63
141 store volatile i64 %or_lsl63, i64* @var1_64
142 %orn_lsl63 = or i64 %val1, %neg_operand_lsl63
143 ; CHECK: orn {{x[0-9]+}}, {{x[0-9]+}}, {{x[0-9]+}}, lsl #63
144 store volatile i64 %orn_lsl63, i64* @var1_64
146 %xor_lsl63 = xor i64 %val1, %operand_lsl63
147 ; CHECK: eor {{x[0-9]+}}, {{x[0-9]+}}, {{x[0-9]+}}, lsl #63
148 store volatile i64 %xor_lsl63, i64* @var1_64
149 %xorn_lsl63 = xor i64 %val1, %neg_operand_lsl63
150 ; CHECK: eon {{x[0-9]+}}, {{x[0-9]+}}, {{x[0-9]+}}, lsl #63
151 store volatile i64 %xorn_lsl63, i64* @var1_64
153 ; Check other shifts on a subset
154 %operand_asr10 = ashr i64 %val2, 10
155 %neg_operand_asr10 = xor i64 -1, %operand_asr10
157 %bic_asr10 = and i64 %val1, %neg_operand_asr10
158 ; CHECK: bic {{x[0-9]+}}, {{x[0-9]+}}, {{x[0-9]+}}, asr #10
159 store volatile i64 %bic_asr10, i64* @var1_64
160 %xor_asr10 = xor i64 %val1, %operand_asr10
161 ; CHECK: eor {{x[0-9]+}}, {{x[0-9]+}}, {{x[0-9]+}}, asr #10
162 store volatile i64 %xor_asr10, i64* @var1_64
164 %operand_lsr1 = lshr i64 %val2, 1
165 %neg_operand_lsr1 = xor i64 -1, %operand_lsr1
167 %orn_lsr1 = or i64 %val1, %neg_operand_lsr1
168 ; CHECK: orn {{x[0-9]+}}, {{x[0-9]+}}, {{x[0-9]+}}, lsr #1
169 store volatile i64 %orn_lsr1, i64* @var1_64
170 %xor_lsr1 = xor i64 %val1, %operand_lsr1
171 ; CHECK: eor {{x[0-9]+}}, {{x[0-9]+}}, {{x[0-9]+}}, lsr #1
172 store volatile i64 %xor_lsr1, i64* @var1_64
174 ; Construct a rotate-right from a bunch of other logical
175 ; operations. DAGCombiner should ensure we the ROTR during
177 %operand_ror20_big = shl i64 %val2, 44
178 %operand_ror20_small = lshr i64 %val2, 20
179 %operand_ror20 = or i64 %operand_ror20_big, %operand_ror20_small
180 %neg_operand_ror20 = xor i64 -1, %operand_ror20
182 %xorn_ror20 = xor i64 %val1, %neg_operand_ror20
183 ; CHECK: eon {{x[0-9]+}}, {{x[0-9]+}}, {{x[0-9]+}}, ror #20
184 store volatile i64 %xorn_ror20, i64* @var1_64
185 %and_ror20 = and i64 %val1, %operand_ror20
186 ; CHECK: and {{x[0-9]+}}, {{x[0-9]+}}, {{x[0-9]+}}, ror #20
187 store volatile i64 %and_ror20, i64* @var1_64
192 define void @flag_setting() {
193 ; CHECK-LABEL: flag_setting:
194 %val1 = load i64, i64* @var1_64
195 %val2 = load i64, i64* @var2_64
197 ; CHECK: tst {{x[0-9]+}}, {{x[0-9]+}}
199 %simple_and = and i64 %val1, %val2
200 %tst1 = icmp sgt i64 %simple_and, 0
201 br i1 %tst1, label %ret, label %test2, !prof !1
204 ; CHECK: tst {{x[0-9]+}}, {{x[0-9]+}}, lsl #63
206 %shifted_op = shl i64 %val2, 63
207 %shifted_and = and i64 %val1, %shifted_op
208 %tst2 = icmp slt i64 %shifted_and, 0
209 br i1 %tst2, label %ret, label %test3, !prof !1
212 ; CHECK: tst {{x[0-9]+}}, {{x[0-9]+}}, asr #12
214 %asr_op = ashr i64 %val2, 12
215 %asr_and = and i64 %asr_op, %val1
216 %tst3 = icmp sgt i64 %asr_and, 0
217 br i1 %tst3, label %ret, label %other_exit, !prof !1
220 store volatile i64 %val1, i64* @var1_64
226 !1 = !{!"branch_weights", i32 1, i32 1}