File: shifter_operand.ll

package info (click to toggle)
llvm-toolchain-16 1%3A16.0.6-15~deb12u1
  • links: PTS, VCS
  • area: main
  • in suites: bookworm
  • size: 1,634,792 kB
  • sloc: cpp: 6,179,261; ansic: 1,216,205; asm: 741,319; python: 196,614; objc: 75,325; f90: 49,640; lisp: 32,396; pascal: 12,286; sh: 9,394; perl: 7,442; ml: 5,494; awk: 3,523; makefile: 2,723; javascript: 1,206; xml: 886; fortran: 581; cs: 573
file content (363 lines) | stat: -rw-r--r-- 11,758 bytes parent folder | download | duplicates (2)
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
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
; RUN: llc -opaque-pointers=0 < %s -mtriple=armv7-apple-darwin -mcpu=cortex-a8 | FileCheck %s -check-prefix=CHECK -check-prefix=CHECK-ARM
; RUN: llc -opaque-pointers=0 < %s -mtriple=armv7-apple-darwin -mcpu=cortex-a9 | FileCheck %s -check-prefix=CHECK -check-prefix=CHECK-ARM
; RUN: llc -opaque-pointers=0 < %s -mtriple=thumbv7m-none-eabi | FileCheck %s -check-prefix=CHECK -check-prefix=CHECK-THUMB
; rdar://8576755


define i32 @test1(i32 %X, i32 %Y, i8 %sh) {
; CHECK-LABEL: test1:
; CHECK-ARM: add r0, r0, r1, lsl r2
; CHECK-THUMB: lsls r1, r2
; CHECK-THUMB: add r0, r1
        %shift.upgrd.1 = zext i8 %sh to i32
        %A = shl i32 %Y, %shift.upgrd.1
        %B = add i32 %X, %A
        ret i32 %B
}

define i32 @test2(i32 %X, i32 %Y, i8 %sh) {
; CHECK-LABEL: test2:
; CHECK-ARM: bic r0, r0, r1, asr r2
; CHECK-THUMB: asrs r1, r2
; CHECK-THUMB: bics r0, r1
        %shift.upgrd.2 = zext i8 %sh to i32
        %A = ashr i32 %Y, %shift.upgrd.2
        %B = xor i32 %A, -1
        %C = and i32 %X, %B
        ret i32 %C
}

define i32 @test3(i32 %base, i32 %base2, i32 %offset) {
entry:
; CHECK-LABEL: test3:
; CHECK: ldr{{(.w)?}} r0, [r0, r2, lsl #2]
; CHECK: ldr{{(.w)?}} r1, [r1, r2, lsl #2]
        %tmp1 = shl i32 %offset, 2
        %tmp2 = add i32 %base, %tmp1
        %tmp3 = inttoptr i32 %tmp2 to i32*
        %tmp4 = add i32 %base2, %tmp1
        %tmp5 = inttoptr i32 %tmp4 to i32*
        %tmp6 = load i32, i32* %tmp3
        %tmp7 = load i32, i32* %tmp5
        %tmp8 = add i32 %tmp7, %tmp6
        ret i32 %tmp8
}

declare i8* @malloc(...)

define fastcc void @test4(i16 %addr) nounwind {
entry:
; CHECK-LABEL: test4:
; CHECK: ldr{{(.w)?}} [[REG:r[0-9]+]], [r0, r1, lsl #2]
; CHECK-NOT: ldr{{(.w)?}} [[REG:r[0-9]+]], [r0, r1, lsl #2]!
; CHECK: str{{(.w)?}} [[REG]], [r0, r1, lsl #2]
; CHECK-NOT: str{{(.w)?}} [[REG]], [r0]
  %0 = tail call i8* (...) @malloc(i32 undef) nounwind
  %1 = bitcast i8* %0 to i32*
  %2 = sext i16 %addr to i32
  %3 = getelementptr inbounds i32, i32* %1, i32 %2
  %4 = load i32, i32* %3, align 4
  %5 = add nsw i32 %4, 1
  store i32 %5, i32* %3, align 4
  ret void
}

define i32 @test_orr_extract_from_mul_1(i32 %x, i32 %y) {
entry:
; CHECK-LABEL: test_orr_extract_from_mul_1
; CHECK: movw r2, #63767
; CHECK-ARM: mul r1, r1, r2
; CHECK-ARM: orr r0, r1, r0
; CHECK-THUMB: muls r1, r2, r1
; CHECk-THUMB: orrs r0, r1
  %mul = mul i32 %y, 63767
  %or = or i32 %mul, %x
  ret i32 %or
}

define i32 @test_orr_extract_from_mul_2(i32 %x, i32 %y) {
; CHECK-LABEL: test_orr_extract_from_mul_2
; CHECK: movw r2, #63767
; CHECK-ARM: mul r1, r1, r2
; CHECK-THUMB: muls r1, r2, r1
; CHECK: orr{{(.w)?}} r0, r0, r1, lsl #1
entry:
  %mul1 = mul i32 %y, 127534
  %or = or i32 %mul1, %x
  ret i32 %or
}

define i32 @test_orr_extract_from_mul_3(i32 %x, i32 %y) {
; CHECK-LABEL: test_orr_extract_from_mul_3
; CHECK: movw r2, #63767
; CHECK-ARM: mul r1, r1, r2
; CHECK-THUMB: muls r1, r2, r1
; CHECK: orr{{(.w)?}} r0, r0, r1, lsl #2
entry:
  %mul1 = mul i32 %y, 255068
  %or = or i32 %mul1, %x
  ret i32 %or
}

define i32 @test_orr_extract_from_mul_4(i32 %x, i32 %y) {
; CHECK-LABEL: test_orr_extract_from_mul_4
; CHECK: movw r2, #63767
; CHECK-ARM: mul r1, r1, r2
; CHECK-THUMB: muls r1, r2, r1
; CHECK: orr{{(.w)?}} r0, r0, r1, lsl #3
entry:
  %mul1 = mul i32 %y, 510136
  %or = or i32 %mul1, %x
  ret i32 %or
}

define i32 @test_orr_extract_from_mul_5(i32 %x, i32 %y) {
; CHECK-LABEL: test_orr_extract_from_mul_5
; CHECK: movw r2, #63767
; CHECK-ARM: mul r1, r1, r2
; CHECK-THUMB: muls r1, r2, r1
; CHECK: orr{{(.w)?}} r0, r0, r1, lsl #4
entry:
  %mul1 = mul i32 %y, 1020272
  %or = or i32 %mul1, %x
  ret i32 %or
}

define i32 @test_orr_extract_from_mul_6(i32 %x, i32 %y) {
; CHECK-LABEL: test_orr_extract_from_mul_6
; CHECK: movw r2, #63767
; CHECK-ARM: mul r1, r1, r2
; CHECK-THUMB: muls r1, r2, r1
; CHECK: orr{{(.w)?}} r0, r0, r1, lsl #16
entry:
  %mul = mul i32 %y, -115933184
  %or = or i32 %mul, %x
  ret i32 %or
}

define i32 @test_load_extract_from_mul_1(i8* %x, i32 %y) {
; CHECK-LABEL: test_load_extract_from_mul_1
; CHECK: movw r2, #63767
; CHECK-ARM: mul r1, r1, r2
; CHECK-THUMB: muls r1, r2, r1
; CHECK: ldrb r0, [r0, r1]
entry:
  %mul = mul i32 %y, 63767
  %arrayidx = getelementptr inbounds i8, i8* %x, i32 %mul
  %0 = load i8, i8* %arrayidx, align 1
  %conv = zext i8 %0 to i32
  ret i32 %conv
}

define i32 @test_load_extract_from_mul_2(i8* %x, i32 %y) {
; CHECK-LABEL: test_load_extract_from_mul_2
; CHECK: movw r2, #63767
; CHECK-ARM: mul r1, r1, r2
; CHECK-THUMB: muls r1, r2, r1
; CHECK: ldrb{{(.w)?}} r0, [r0, r1, lsl #1]
entry:
  %mul1 = mul i32 %y, 127534
  %arrayidx = getelementptr inbounds i8, i8* %x, i32 %mul1
  %0 = load i8, i8* %arrayidx, align 1
  %conv = zext i8 %0 to i32
  ret i32 %conv
}

define i32 @test_load_extract_from_mul_3(i8* %x, i32 %y) {
; CHECK-LABEL: test_load_extract_from_mul_3
; CHECK: movw r2, #63767
; CHECK-ARM: mul r1, r1, r2
; CHECK-THUMB: muls r1, r2, r1
; CHECK: ldrb{{(.w)?}} r0, [r0, r1, lsl #2]
entry:
  %mul1 = mul i32 %y, 255068
  %arrayidx = getelementptr inbounds i8, i8* %x, i32 %mul1
  %0 = load i8, i8* %arrayidx, align 1
  %conv = zext i8 %0 to i32
  ret i32 %conv
}

define i32 @test_load_extract_from_mul_4(i8* %x, i32 %y) {
; CHECK-LABEL: test_load_extract_from_mul_4
; CHECK: movw r2, #63767
; CHECK-ARM: mul r1, r1, r2
; CHECK-THUMB: muls r1, r2, r1
; CHECK: ldrb{{(.w)?}} r0, [r0, r1, lsl #3]
entry:
  %mul1 = mul i32 %y, 510136
  %arrayidx = getelementptr inbounds i8, i8* %x, i32 %mul1
  %0 = load i8, i8* %arrayidx, align 1
  %conv = zext i8 %0 to i32
  ret i32 %conv
}

define i32 @test_load_extract_from_mul_5(i8* %x, i32 %y) {
; CHECK-LABEL: test_load_extract_from_mul_5
; CHECK-ARM: movw r2, #63767
; CHECK-ARM: mul r1, r1, r2
; CHECK-ARM: ldrb r0, [r0, r1, lsl #4]
; CHECK-THUMB: movw r2, #37232
; CHECK-THUMB: movt r2, #15
; CHECK-THUMB: muls r1, r2, r1
; CHECK-THUMB: ldrb r0, [r0, r1]
entry:
  %mul1 = mul i32 %y, 1020272
  %arrayidx = getelementptr inbounds i8, i8* %x, i32 %mul1
  %0 = load i8, i8* %arrayidx, align 1
  %conv = zext i8 %0 to i32
  ret i32 %conv
}

define i32 @test_load_extract_from_mul_6(i8* %x, i32 %y) {
; CHECK-LABEL: test_load_extract_from_mul_6
; CHECK-ARM: movw r2, #63767
; CHECK-ARM: mul r1, r1, r2
; CHECK-ARM: ldrb r0, [r0, r1, lsl #16]
; CHECK-THUMB: movs r2, #0
; CHECK-THUMB: movt r2, #63767
; CHECK-THUMB: muls r1, r2, r1
; CHECK-THUMB: ldrb r0, [r0, r1]
entry:
  %mul = mul i32 %y, -115933184
  %arrayidx = getelementptr inbounds i8, i8* %x, i32 %mul
  %0 = load i8, i8* %arrayidx, align 1
  %conv = zext i8 %0 to i32
  ret i32 %conv
}


define void @test_well_formed_dag(i32 %in1, i32 %in2, i32* %addr) {
; CHECK-LABEL: test_well_formed_dag:
; CHECK-ARM: movw [[SMALL_CONST:r[0-9]+]], #675
; CHECK-ARM: mul [[SMALL_PROD:r[0-9]+]], r0, [[SMALL_CONST]]
; CHECK-ARM: add {{r[0-9]+}}, r1, [[SMALL_PROD]], lsl #7

  %mul.small = mul i32 %in1, 675
  store i32 %mul.small, i32* %addr
  %mul.big = mul i32 %in1, 86400
  %add = add i32 %in2, %mul.big
  store i32 %add, i32* %addr
  ret void
}

define { i32, i32 } @test_multi_use_add(i32 %base, i32 %offset) {
; CHECK-LABEL: test_multi_use_add:
; CHECK-THUMB: movs [[CONST:r[0-9]+]], #28
; CHECK-THUMB: movt [[CONST]], #1

  %prod = mul i32 %offset, 65564
  %sum = add i32 %base, %prod

  %ptr = inttoptr i32 %sum to i32*
  %loaded = load i32, i32* %ptr

  %ret.tmp = insertvalue { i32, i32 } undef, i32 %sum, 0
  %ret = insertvalue { i32, i32 } %ret.tmp, i32 %loaded, 1

  ret { i32, i32 } %ret
}

define i32 @test_new(i32 %x, i32 %y) {
; CHECK-ARM-LABEL: test_new:
; CHECK-ARM:       @ %bb.0: @ %entry
; CHECK-ARM-NEXT:    movw r2, #48047
; CHECK-ARM-NEXT:    mul r1, r1, r2
; CHECK-ARM-NEXT:    add r0, r0, r1, lsl #1
; CHECK-ARM-NEXT:    bx lr
;
; CHECK-THUMB-LABEL: test_new:
; CHECK-THUMB:       @ %bb.0: @ %entry
; CHECK-THUMB-NEXT:    movw r2, #48047
; CHECK-THUMB-NEXT:    muls r1, r2, r1
; CHECK-THUMB-NEXT:    add.w r0, r0, r1, lsl #1
; CHECK-THUMB-NEXT:    bx lr
entry:
  %mul = mul i32 %y, 96094
  %conv = add i32 %mul, %x
  ret i32 %conv
}

; This test was hitting issues with deleted nodes because ComplexPatternFuncMutatesDAG
; was not defined.
@arr_9 = external dso_local local_unnamed_addr global [15 x [25 x [18 x i8]]], align 1
define void @test_mutateddag(i32 %b, i32 %c, i32 %d, i1 %cc) {
; CHECK-THUMB-LABEL: test_mutateddag:
; CHECK-THUMB:       @ %bb.0: @ %entry
; CHECK-THUMB-NEXT:    .save {r4, lr}
; CHECK-THUMB-NEXT:    push {r4, lr}
; CHECK-THUMB-NEXT:    movw r12, #50608
; CHECK-THUMB-NEXT:    movw r4, #51512
; CHECK-THUMB-NEXT:    movt r12, #17917
; CHECK-THUMB-NEXT:    movt r4, #52
; CHECK-THUMB-NEXT:    mla r12, r1, r4, r12
; CHECK-THUMB-NEXT:    mov.w r4, #450
; CHECK-THUMB-NEXT:    lsls r3, r3, #31
; CHECK-THUMB-NEXT:    mul lr, r0, r4
; CHECK-THUMB-NEXT:    movw r0, #48047
; CHECK-THUMB-NEXT:    muls r0, r1, r0
; CHECK-THUMB-NEXT:    movw r1, :lower16:arr_9
; CHECK-THUMB-NEXT:    movt r1, :upper16:arr_9
; CHECK-THUMB-NEXT:    add.w r0, r2, r0, lsl #1
; CHECK-THUMB-NEXT:    movw r2, #24420
; CHECK-THUMB-NEXT:    movt r2, #19356
; CHECK-THUMB-NEXT:    add.w r0, r0, r0, lsl #3
; CHECK-THUMB-NEXT:    add.w r0, r1, r0, lsl #1
; CHECK-THUMB-NEXT:    movw r1, #60920
; CHECK-THUMB-NEXT:    movt r1, #64028
; CHECK-THUMB-NEXT:    add r2, r0
; CHECK-THUMB-NEXT:    add r1, r0
; CHECK-THUMB-NEXT:    movs r0, #0
; CHECK-THUMB-NEXT:    b .LBB19_2
; CHECK-THUMB-NEXT:  .LBB19_1: @ %for.cond1.for.cond.cleanup_crit_edge
; CHECK-THUMB-NEXT:    @ in Loop: Header=BB19_2 Depth=1
; CHECK-THUMB-NEXT:    add r1, lr
; CHECK-THUMB-NEXT:    add r2, lr
; CHECK-THUMB-NEXT:  .LBB19_2: @ %for.cond
; CHECK-THUMB-NEXT:    @ =>This Loop Header: Depth=1
; CHECK-THUMB-NEXT:    @ Child Loop BB19_3 Depth 2
; CHECK-THUMB-NEXT:    movs r4, #0
; CHECK-THUMB-NEXT:  .LBB19_3: @ %for.cond2.preheader
; CHECK-THUMB-NEXT:    @ Parent Loop BB19_2 Depth=1
; CHECK-THUMB-NEXT:    @ => This Inner Loop Header: Depth=2
; CHECK-THUMB-NEXT:    cmp r3, #0
; CHECK-THUMB-NEXT:    str r0, [r1, r4]
; CHECK-THUMB-NEXT:    bne .LBB19_1
; CHECK-THUMB-NEXT:  @ %bb.4: @ %for.cond2.preheader.2
; CHECK-THUMB-NEXT:    @ in Loop: Header=BB19_3 Depth=2
; CHECK-THUMB-NEXT:    str r0, [r2, r4]
; CHECK-THUMB-NEXT:    add r4, r12
; CHECK-THUMB-NEXT:    b .LBB19_3
entry:
  %0 = add i32 %d, -4
  %1 = mul i32 %c, 864846
  %2 = add i32 %1, 1367306604
  br label %for.cond

for.cond:                                         ; preds = %for.cond1.for.cond.cleanup_crit_edge, %for.cond.preheader
  %indvar = phi i32 [ 0, %entry ], [ %indvar.next, %for.cond1.for.cond.cleanup_crit_edge ]
  %3 = mul i32 %indvar, %b
  %4 = add i32 %3, -2
  br label %for.cond2.preheader

for.cond2.preheader:                              ; preds = %for.cond2.preheader.2, %for.cond
  %indvar24 = phi i32 [ 0, %for.cond ], [ %indvar.next25.3, %for.cond2.preheader.2 ]
  %indvar.next25 = or i32 %indvar24, 1
  %l5 = mul i32 %2, %indvar.next25
  %scevgep.1 = getelementptr [15 x [25 x [18 x i8]]], [15 x [25 x [18 x i8]]]* @arr_9, i32 -217196, i32 %4, i32 %0, i32 %l5
  %l7 = bitcast i8* %scevgep.1 to i32*
  store i32 0, i32* %l7, align 1
  br i1 %cc, label %for.cond1.for.cond.cleanup_crit_edge, label %for.cond2.preheader.2

for.cond2.preheader.2:                            ; preds = %for.cond2.preheader
  %indvar.next25.1 = or i32 %indvar24, 2
  %l8 = mul i32 %2, %indvar.next25.1
  %scevgep.2 = getelementptr [15 x [25 x [18 x i8]]], [15 x [25 x [18 x i8]]]* @arr_9, i32 -217196, i32 %4, i32 %0, i32 %l8
  %l10 = bitcast i8* %scevgep.2 to i32*
  store i32 0, i32* %l10, align 1
  %indvar.next25.3 = add i32 %indvar24, 4
  br label %for.cond2.preheader

for.cond1.for.cond.cleanup_crit_edge:             ; preds = %for.cond2.preheader
  %indvar.next = add i32 %indvar, 1
  br label %for.cond
}