/
64bit.ll
311 lines (265 loc) · 6.42 KB
/
64bit.ll
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
; RUN: llc < %s -march=sparcv9 -mattr=+popc -disable-sparc-delay-filler -disable-sparc-leaf-proc | FileCheck %s
; RUN: llc < %s -march=sparcv9 -mattr=+popc | FileCheck %s -check-prefix=OPT
; RUN: llc %s -march=sparcv9 -mattr=+popc -filetype=null
; CHECK-LABEL: ret2:
; CHECK: mov %i1, %i0
; OPT-LABEL: ret2:
; OPT: retl
; OPT: mov %o1, %o0
define i64 @ret2(i64 %a, i64 %b) {
ret i64 %b
}
; CHECK: shl_imm
; CHECK: sllx %i0, 7, %i0
; OPT-LABEL: shl_imm:
; OPT: retl
; OPT: sllx %o0, 7, %o0
define i64 @shl_imm(i64 %a) {
%x = shl i64 %a, 7
ret i64 %x
}
; CHECK: sra_reg
; CHECK: srax %i0, %i1, %i0
; OPT-LABEL: sra_reg:
; OPT: retl
; OPT: srax %o0, %o1, %o0
define i64 @sra_reg(i64 %a, i64 %b) {
%x = ashr i64 %a, %b
ret i64 %x
}
; Immediate materialization. Many of these patterns could actually be merged
; into the restore instruction:
;
; restore %g0, %g0, %o0
;
; CHECK: ret_imm0
; CHECK: mov 0, %i0
; OPT: ret_imm0
; OPT: retl
; OPT: mov 0, %o0
define i64 @ret_imm0() {
ret i64 0
}
; CHECK: ret_simm13
; CHECK: mov -4096, %i0
; OPT: ret_simm13
; OPT: retl
; OPT: mov -4096, %o0
define i64 @ret_simm13() {
ret i64 -4096
}
; CHECK: ret_sethi
; CHECK: sethi 4, %i0
; CHECK-NOT: or
; CHECK: restore
; OPT: ret_sethi
; OPT: retl
; OPT: sethi 4, %o0
define i64 @ret_sethi() {
ret i64 4096
}
; CHECK: ret_sethi_or
; CHECK: sethi 4, [[R:%[goli][0-7]]]
; CHECK: or [[R]], 1, %i0
; OPT: ret_sethi_or
; OPT: sethi 4, [[R:%[go][0-7]]]
; OPT: retl
; OPT: or [[R]], 1, %o0
define i64 @ret_sethi_or() {
ret i64 4097
}
; CHECK: ret_nimm33
; CHECK: sethi 4, [[R:%[goli][0-7]]]
; CHECK: xor [[R]], -4, %i0
; OPT: ret_nimm33
; OPT: sethi 4, [[R:%[go][0-7]]]
; OPT: retl
; OPT: xor [[R]], -4, %o0
define i64 @ret_nimm33() {
ret i64 -4100
}
; CHECK: ret_bigimm
; CHECK: sethi
; CHECK: sethi
define i64 @ret_bigimm() {
ret i64 6800754272627607872
}
; CHECK: ret_bigimm2
; CHECK: sethi 1048576
define i64 @ret_bigimm2() {
ret i64 4611686018427387904 ; 0x4000000000000000
}
; CHECK: reg_reg_alu
; CHECK: add %i0, %i1, [[R0:%[goli][0-7]]]
; CHECK: sub [[R0]], %i2, [[R1:%[goli][0-7]]]
; CHECK: andn [[R1]], %i0, %i0
define i64 @reg_reg_alu(i64 %x, i64 %y, i64 %z) {
%a = add i64 %x, %y
%b = sub i64 %a, %z
%c = xor i64 %x, -1
%d = and i64 %b, %c
ret i64 %d
}
; CHECK: reg_imm_alu
; CHECK: add %i0, -5, [[R0:%[goli][0-7]]]
; CHECK: xor [[R0]], 2, %i0
define i64 @reg_imm_alu(i64 %x, i64 %y, i64 %z) {
%a = add i64 %x, -5
%b = xor i64 %a, 2
ret i64 %b
}
; CHECK: loads
; CHECK: ldx [%i0]
; CHECK: stx %
; CHECK: ld [%i1]
; CHECK: st %
; CHECK: ldsw [%i2]
; CHECK: stx %
; CHECK: ldsh [%i3]
; CHECK: sth %
define i64 @loads(i64* %p, i32* %q, i32* %r, i16* %s) {
%a = load i64, i64* %p
%ai = add i64 1, %a
store i64 %ai, i64* %p
%b = load i32, i32* %q
%b2 = zext i32 %b to i64
%bi = trunc i64 %ai to i32
store i32 %bi, i32* %q
%c = load i32, i32* %r
%c2 = sext i32 %c to i64
store i64 %ai, i64* %p
%d = load i16, i16* %s
%d2 = sext i16 %d to i64
%di = trunc i64 %ai to i16
store i16 %di, i16* %s
%x1 = add i64 %a, %b2
%x2 = add i64 %c2, %d2
%x3 = add i64 %x1, %x2
ret i64 %x3
}
; CHECK: load_bool
; CHECK: ldub [%i0], %i0
define i64 @load_bool(i1* %p) {
%a = load i1, i1* %p
%b = zext i1 %a to i64
ret i64 %b
}
; CHECK: stores
; CHECK: ldx [%i0+8], [[R:%[goli][0-7]]]
; CHECK: stx [[R]], [%i0+16]
; CHECK: st [[R]], [%i1+-8]
; CHECK: sth [[R]], [%i2+40]
; CHECK: stb [[R]], [%i3+-20]
define void @stores(i64* %p, i32* %q, i16* %r, i8* %s) {
%p1 = getelementptr i64, i64* %p, i64 1
%p2 = getelementptr i64, i64* %p, i64 2
%pv = load i64, i64* %p1
store i64 %pv, i64* %p2
%q2 = getelementptr i32, i32* %q, i32 -2
%qv = trunc i64 %pv to i32
store i32 %qv, i32* %q2
%r2 = getelementptr i16, i16* %r, i16 20
%rv = trunc i64 %pv to i16
store i16 %rv, i16* %r2
%s2 = getelementptr i8, i8* %s, i8 -20
%sv = trunc i64 %pv to i8
store i8 %sv, i8* %s2
ret void
}
; CHECK: promote_shifts
; CHECK: ldub [%i0], [[R:%[goli][0-7]]]
; CHECK: sll [[R]], [[R]], %i0
define i8 @promote_shifts(i8* %p) {
%L24 = load i8, i8* %p
%L32 = load i8, i8* %p
%B36 = shl i8 %L24, %L32
ret i8 %B36
}
; CHECK: multiply
; CHECK: mulx %i0, %i1, %i0
define i64 @multiply(i64 %a, i64 %b) {
%r = mul i64 %a, %b
ret i64 %r
}
; CHECK: signed_divide
; CHECK: sdivx %i0, %i1, %i0
define i64 @signed_divide(i64 %a, i64 %b) {
%r = sdiv i64 %a, %b
ret i64 %r
}
; CHECK: unsigned_divide
; CHECK: udivx %i0, %i1, %i0
define i64 @unsigned_divide(i64 %a, i64 %b) {
%r = udiv i64 %a, %b
ret i64 %r
}
define void @access_fi() {
entry:
%b = alloca [32 x i8], align 1
%arraydecay = getelementptr inbounds [32 x i8], [32 x i8]* %b, i64 0, i64 0
call void @g(i8* %arraydecay) #2
ret void
}
declare void @g(i8*)
; CHECK: expand_setcc
; CHECK: cmp %i0, 0
; CHECK: movg %xcc, 1,
define i32 @expand_setcc(i64 %a) {
%cond = icmp sle i64 %a, 0
%cast2 = zext i1 %cond to i32
%RV = sub i32 1, %cast2
ret i32 %RV
}
; CHECK: spill_i64
; CHECK: stx
; CHECK: ldx
define i64 @spill_i64(i64 %x) {
call void asm sideeffect "", "~{i0},~{i1},~{i2},~{i3},~{i4},~{i5},~{o0},~{o1},~{o2},~{o3},~{o4},~{o5},~{o7},~{l0},~{l1},~{l2},~{l3},~{l4},~{l5},~{l6},~{l7},~{g1},~{g2},~{g3},~{g4},~{g5},~{g6},~{g7}"()
ret i64 %x
}
; CHECK: bitcast_i64_f64
; CHECK: std
; CHECK: ldx
define i64 @bitcast_i64_f64(double %x) {
%y = bitcast double %x to i64
ret i64 %y
}
; CHECK: bitcast_f64_i64
; CHECK: stx
; CHECK: ldd
define double @bitcast_f64_i64(i64 %x) {
%y = bitcast i64 %x to double
ret double %y
}
; CHECK-LABEL: store_zero:
; CHECK: stx %g0, [%i0]
; CHECK: stx %g0, [%i1+8]
; OPT-LABEL: store_zero:
; OPT: stx %g0, [%o0]
; OPT: stx %g0, [%o1+8]
define i64 @store_zero(i64* nocapture %a, i64* nocapture %b) {
entry:
store i64 0, i64* %a, align 8
%0 = getelementptr inbounds i64, i64* %b, i32 1
store i64 0, i64* %0, align 8
ret i64 0
}
; CHECK-LABEL: bit_ops
; CHECK: popc
; OPT-LABEL: bit_ops
; OPT: popc
define i64 @bit_ops(i64 %arg) {
entry:
%0 = tail call i64 @llvm.ctpop.i64(i64 %arg)
%1 = tail call i64 @llvm.ctlz.i64(i64 %arg, i1 true)
%2 = tail call i64 @llvm.cttz.i64(i64 %arg, i1 true)
%3 = tail call i64 @llvm.bswap.i64(i64 %arg)
%4 = add i64 %0, %1
%5 = add i64 %2, %3
%6 = add i64 %4, %5
ret i64 %6
}
declare i64 @llvm.ctpop.i64(i64) nounwind readnone
declare i64 @llvm.ctlz.i64(i64, i1) nounwind readnone
declare i64 @llvm.cttz.i64(i64, i1) nounwind readnone
declare i64 @llvm.bswap.i64(i64) nounwind readnone