source: icGREP/icgrep-devel/llvm-3.8.0.src/test/CodeGen/AArch64/arm64-ld-from-st.ll @ 5027

Last change on this file since 5027 was 5027, checked in by cameron, 3 years ago

Upgrade to llvm 3.8

File size: 19.3 KB
Line 
1; RUN: llc < %s -mtriple aarch64--none-eabi -verify-machineinstrs | FileCheck %s
2
3; CHECK-LABEL: Str64Ldr64
4; CHECK: mov x0, x1
5define i64 @Str64Ldr64(i64* nocapture %P, i64 %v, i64 %n) {
6entry:
7  %0 = bitcast i64* %P to i64*
8  %arrayidx0 = getelementptr inbounds i64, i64* %P, i64 1
9  store i64 %v, i64* %arrayidx0
10  %arrayidx1 = getelementptr inbounds i64, i64* %0, i64 1
11  %1 = load i64, i64* %arrayidx1
12  ret i64 %1
13}
14
15; CHECK-LABEL: Str64Ldr32_0
16; CHECK: and x0, x1, #0xffffffff
17define i32 @Str64Ldr32_0(i64* nocapture %P, i64 %v, i64 %n) {
18entry:
19  %0 = bitcast i64* %P to i32*
20  %arrayidx0 = getelementptr inbounds i64, i64* %P, i64 1
21  store i64 %v, i64* %arrayidx0
22  %arrayidx1 = getelementptr inbounds i32, i32* %0, i64 2
23  %1 = load i32, i32* %arrayidx1
24  ret i32 %1
25}
26
27; CHECK-LABEL: Str64Ldr32_1
28; CHECK: lsr x0, x1, #32
29define i32 @Str64Ldr32_1(i64* nocapture %P, i64 %v, i64 %n) {
30entry:
31  %0 = bitcast i64* %P to i32*
32  %arrayidx0 = getelementptr inbounds i64, i64* %P, i64 1
33  store i64 %v, i64* %arrayidx0
34  %arrayidx1 = getelementptr inbounds i32, i32* %0, i64 3
35  %1 = load i32, i32* %arrayidx1
36  ret i32 %1
37}
38
39; CHECK-LABEL: Str64Ldr16_0
40; CHECK: and x0, x1, #0xffff
41define i16 @Str64Ldr16_0(i64* nocapture %P, i64 %v, i64 %n) {
42entry:
43  %0 = bitcast i64* %P to i16*
44  %arrayidx0 = getelementptr inbounds i64, i64* %P, i64 1
45  store i64 %v, i64* %arrayidx0
46  %arrayidx1 = getelementptr inbounds i16, i16* %0, i64 4
47  %1 = load i16, i16* %arrayidx1
48  ret i16 %1
49}
50
51; CHECK-LABEL: Str64Ldr16_1
52; CHECK: ubfx x0, x1, #16, #16
53define i16 @Str64Ldr16_1(i64* nocapture %P, i64 %v, i64 %n) {
54entry:
55  %0 = bitcast i64* %P to i16*
56  %arrayidx0 = getelementptr inbounds i64, i64* %P, i64 1
57  store i64 %v, i64* %arrayidx0
58  %arrayidx1 = getelementptr inbounds i16, i16* %0, i64 5
59  %1 = load i16, i16* %arrayidx1
60  ret i16 %1
61}
62
63; CHECK-LABEL: Str64Ldr16_2
64; CHECK: ubfx x0, x1, #32, #16
65define i16 @Str64Ldr16_2(i64* nocapture %P, i64 %v, i64 %n) {
66entry:
67  %0 = bitcast i64* %P to i16*
68  %arrayidx0 = getelementptr inbounds i64, i64* %P, i64 1
69  store i64 %v, i64* %arrayidx0
70  %arrayidx1 = getelementptr inbounds i16, i16* %0, i64 6
71  %1 = load i16, i16* %arrayidx1
72  ret i16 %1
73}
74
75; CHECK-LABEL: Str64Ldr16_3
76; CHECK: lsr x0, x1, #48
77define i16 @Str64Ldr16_3(i64* nocapture %P, i64 %v, i64 %n) {
78entry:
79  %0 = bitcast i64* %P to i16*
80  %arrayidx0 = getelementptr inbounds i64, i64* %P, i64 1
81  store i64 %v, i64* %arrayidx0
82  %arrayidx1 = getelementptr inbounds i16, i16* %0, i64 7
83  %1 = load i16, i16* %arrayidx1
84  ret i16 %1
85}
86
87; CHECK-LABEL: Str64Ldr8_0
88; CHECK: and x0, x1, #0xff
89define i8 @Str64Ldr8_0(i64* nocapture %P, i64 %v, i64 %n) {
90entry:
91  %0 = bitcast i64* %P to i8*
92  %arrayidx0 = getelementptr inbounds i64, i64* %P, i64 1
93  store i64 %v, i64* %arrayidx0
94  %arrayidx1 = getelementptr inbounds i8, i8* %0, i64 8
95  %1 = load i8, i8* %arrayidx1
96  ret i8 %1
97}
98
99; CHECK-LABEL: Str64Ldr8_1
100; CHECK: ubfx x0, x1, #8, #8
101define i8 @Str64Ldr8_1(i64* nocapture %P, i64 %v, i64 %n) {
102entry:
103  %0 = bitcast i64* %P to i8*
104  %arrayidx0 = getelementptr inbounds i64, i64* %P, i64 1
105  store i64 %v, i64* %arrayidx0
106  %arrayidx1 = getelementptr inbounds i8, i8* %0, i64 9
107  %1 = load i8, i8* %arrayidx1
108  ret i8 %1
109}
110
111; CHECK-LABEL: Str64Ldr8_2
112; CHECK: ubfx x0, x1, #16, #8
113define i8 @Str64Ldr8_2(i64* nocapture %P, i64 %v, i64 %n) {
114entry:
115  %0 = bitcast i64* %P to i8*
116  %arrayidx0 = getelementptr inbounds i64, i64* %P, i64 1
117  store i64 %v, i64* %arrayidx0
118  %arrayidx1 = getelementptr inbounds i8, i8* %0, i64 10
119  %1 = load i8, i8* %arrayidx1
120  ret i8 %1
121}
122
123; CHECK-LABEL: Str64Ldr8_3
124; CHECK: ubfx x0, x1, #24, #8
125define i8 @Str64Ldr8_3(i64* nocapture %P, i64 %v, i64 %n) {
126entry:
127  %0 = bitcast i64* %P to i8*
128  %arrayidx0 = getelementptr inbounds i64, i64* %P, i64 1
129  store i64 %v, i64* %arrayidx0
130  %arrayidx1 = getelementptr inbounds i8, i8* %0, i64 11
131  %1 = load i8, i8* %arrayidx1
132  ret i8 %1
133}
134
135; CHECK-LABEL: Str64Ldr8_4
136; CHECK: ubfx x0, x1, #32, #8
137define i8 @Str64Ldr8_4(i64* nocapture %P, i64 %v, i64 %n) {
138entry:
139  %0 = bitcast i64* %P to i8*
140  %arrayidx0 = getelementptr inbounds i64, i64* %P, i64 1
141  store i64 %v, i64* %arrayidx0
142  %arrayidx1 = getelementptr inbounds i8, i8* %0, i64 12
143  %1 = load i8, i8* %arrayidx1
144  ret i8 %1
145}
146
147; CHECK-LABEL: Str64Ldr8_5
148; CHECK: ubfx x0, x1, #40, #8
149define i8 @Str64Ldr8_5(i64* nocapture %P, i64 %v, i64 %n) {
150entry:
151  %0 = bitcast i64* %P to i8*
152  %arrayidx0 = getelementptr inbounds i64, i64* %P, i64 1
153  store i64 %v, i64* %arrayidx0
154  %arrayidx1 = getelementptr inbounds i8, i8* %0, i64 13
155  %1 = load i8, i8* %arrayidx1
156  ret i8 %1
157}
158
159; CHECK-LABEL: Str64Ldr8_6
160; CHECK: ubfx x0, x1, #48, #8
161define i8 @Str64Ldr8_6(i64* nocapture %P, i64 %v, i64 %n) {
162entry:
163  %0 = bitcast i64* %P to i8*
164  %arrayidx0 = getelementptr inbounds i64, i64* %P, i64 1
165  store i64 %v, i64* %arrayidx0
166  %arrayidx1 = getelementptr inbounds i8, i8* %0, i64 14
167  %1 = load i8, i8* %arrayidx1
168  ret i8 %1
169}
170
171; CHECK-LABEL: Str64Ldr8_7
172; CHECK: lsr x0, x1, #56
173define i8 @Str64Ldr8_7(i64* nocapture %P, i64 %v, i64 %n) {
174entry:
175  %0 = bitcast i64* %P to i8*
176  %arrayidx0 = getelementptr inbounds i64, i64* %P, i64 1
177  store i64 %v, i64* %arrayidx0
178  %arrayidx1 = getelementptr inbounds i8, i8* %0, i64 15
179  %1 = load i8, i8* %arrayidx1
180  ret i8 %1
181}
182
183; CHECK-LABEL: Str32Ldr32
184; CHECK: mov w0, w1
185define i32 @Str32Ldr32(i32* nocapture %P, i32 %v, i64 %n) {
186entry:
187  %0 = bitcast i32* %P to i32*
188  %arrayidx0 = getelementptr inbounds i32, i32* %P, i64 1
189  store i32 %v, i32* %arrayidx0
190  %arrayidx1 = getelementptr inbounds i32, i32* %0, i64 1
191  %1 = load i32, i32* %arrayidx1
192  ret i32 %1
193}
194
195; CHECK-LABEL: Str32Ldr16_0
196; CHECK: and w0, w1, #0xffff
197define i16 @Str32Ldr16_0(i32* nocapture %P, i32 %v, i64 %n) {
198entry:
199  %0 = bitcast i32* %P to i16*
200  %arrayidx0 = getelementptr inbounds i32, i32* %P, i64 1
201  store i32 %v, i32* %arrayidx0
202  %arrayidx1 = getelementptr inbounds i16, i16* %0, i64 2
203  %1 = load i16, i16* %arrayidx1
204  ret i16 %1
205}
206
207; CHECK-LABEL: Str32Ldr16_1
208; CHECK: lsr    w0, w1, #16
209define i16 @Str32Ldr16_1(i32* nocapture %P, i32 %v, i64 %n) {
210entry:
211  %0 = bitcast i32* %P to i16*
212  %arrayidx0 = getelementptr inbounds i32, i32* %P, i64 1
213  store i32 %v, i32* %arrayidx0
214  %arrayidx1 = getelementptr inbounds i16, i16* %0, i64 3
215  %1 = load i16, i16* %arrayidx1
216  ret i16 %1
217}
218
219; CHECK-LABEL: Str32Ldr8_0
220; CHECK: and w0, w1, #0xff
221define i8 @Str32Ldr8_0(i32* nocapture %P, i32 %v, i64 %n) {
222entry:
223  %0 = bitcast i32* %P to i8*
224  %arrayidx0 = getelementptr inbounds i32, i32* %P, i64 1
225  store i32 %v, i32* %arrayidx0
226  %arrayidx1 = getelementptr inbounds i8, i8* %0, i64 4
227  %1 = load i8, i8* %arrayidx1
228  ret i8 %1
229}
230
231; CHECK-LABEL: Str32Ldr8_1
232; CHECK: ubfx w0, w1, #8, #8
233define i8 @Str32Ldr8_1(i32* nocapture %P, i32 %v, i64 %n) {
234entry:
235  %0 = bitcast i32* %P to i8*
236  %arrayidx0 = getelementptr inbounds i32, i32* %P, i64 1
237  store i32 %v, i32* %arrayidx0
238  %arrayidx1 = getelementptr inbounds i8, i8* %0, i64 5
239  %1 = load i8, i8* %arrayidx1
240  ret i8 %1
241}
242
243; CHECK-LABEL: Str32Ldr8_2
244; CHECK: ubfx w0, w1, #16, #8
245define i8 @Str32Ldr8_2(i32* nocapture %P, i32 %v, i64 %n) {
246entry:
247  %0 = bitcast i32* %P to i8*
248  %arrayidx0 = getelementptr inbounds i32, i32* %P, i64 1
249  store i32 %v, i32* %arrayidx0
250  %arrayidx1 = getelementptr inbounds i8, i8* %0, i64 6
251  %1 = load i8, i8* %arrayidx1
252  ret i8 %1
253}
254
255; CHECK-LABEL: Str32Ldr8_3
256; CHECK: lsr w0, w1, #24
257define i8 @Str32Ldr8_3(i32* nocapture %P, i32 %v, i64 %n) {
258entry:
259  %0 = bitcast i32* %P to i8*
260  %arrayidx0 = getelementptr inbounds i32, i32* %P, i64 1
261  store i32 %v, i32* %arrayidx0
262  %arrayidx1 = getelementptr inbounds i8, i8* %0, i64 7
263  %1 = load i8, i8* %arrayidx1
264  ret i8 %1
265}
266
267; CHECK-LABEL: Str16Ldr16
268; CHECK: and w0, w1, #0xffff
269define i16 @Str16Ldr16(i16* nocapture %P, i16 %v, i64 %n) {
270entry:
271  %0 = bitcast i16* %P to i16*
272  %arrayidx0 = getelementptr inbounds i16, i16* %P, i64 1
273  store i16 %v, i16* %arrayidx0
274  %arrayidx1 = getelementptr inbounds i16, i16* %0, i64 1
275  %1 = load i16, i16* %arrayidx1
276  ret i16 %1
277}
278
279; CHECK-LABEL: Str16Ldr8_0
280; CHECK: and w0, w1, #0xff
281define i8 @Str16Ldr8_0(i16* nocapture %P, i16 %v, i64 %n) {
282entry:
283  %0 = bitcast i16* %P to i8*
284  %arrayidx0 = getelementptr inbounds i16, i16* %P, i64 1
285  store i16 %v, i16* %arrayidx0
286  %arrayidx1 = getelementptr inbounds i8, i8* %0, i64 2
287  %1 = load i8, i8* %arrayidx1
288  ret i8 %1
289}
290
291; CHECK-LABEL: Str16Ldr8_1
292; CHECK: ubfx w0, w1, #8, #8
293define i8 @Str16Ldr8_1(i16* nocapture %P, i16 %v, i64 %n) {
294entry:
295  %0 = bitcast i16* %P to i8*
296  %arrayidx0 = getelementptr inbounds i16, i16* %P, i64 1
297  store i16 %v, i16* %arrayidx0
298  %arrayidx1 = getelementptr inbounds i8, i8* %0, i64 3
299  %1 = load i8, i8* %arrayidx1
300  ret i8 %1
301}
302
303
304; CHECK-LABEL: Unscaled_Str64Ldr64
305; CHECK: mov x0, x1
306define i64 @Unscaled_Str64Ldr64(i64* nocapture %P, i64 %v, i64 %n) {
307entry:
308  %0 = bitcast i64* %P to i64*
309  %arrayidx0 = getelementptr inbounds i64, i64* %P, i64 -1
310  store i64 %v, i64* %arrayidx0
311  %arrayidx1 = getelementptr inbounds i64, i64* %0, i64 -1
312  %1 = load i64, i64* %arrayidx1
313  ret i64 %1
314}
315
316; CHECK-LABEL: Unscaled_Str64Ldr32_0
317; CHECK: and x0, x1, #0xffffffff
318define i32 @Unscaled_Str64Ldr32_0(i64* nocapture %P, i64 %v, i64 %n) {
319entry:
320  %0 = bitcast i64* %P to i32*
321  %arrayidx0 = getelementptr inbounds i64, i64* %P, i64 -1
322  store i64 %v, i64* %arrayidx0
323  %arrayidx1 = getelementptr inbounds i32, i32* %0, i64 -2
324  %1 = load i32, i32* %arrayidx1
325  ret i32 %1
326}
327
328; CHECK-LABEL: Unscaled_Str64Ldr32_1
329; CHECK: lsr x0, x1, #32
330define i32 @Unscaled_Str64Ldr32_1(i64* nocapture %P, i64 %v, i64 %n) {
331entry:
332  %0 = bitcast i64* %P to i32*
333  %arrayidx0 = getelementptr inbounds i64, i64* %P, i64 -1
334  store i64 %v, i64* %arrayidx0
335  %arrayidx1 = getelementptr inbounds i32, i32* %0, i64 -1
336  %1 = load i32, i32* %arrayidx1
337  ret i32 %1
338}
339
340; CHECK-LABEL: Unscaled_Str64Ldr16_0
341; CHECK: and x0, x1, #0xffff
342define i16 @Unscaled_Str64Ldr16_0(i64* nocapture %P, i64 %v, i64 %n) {
343entry:
344  %0 = bitcast i64* %P to i16*
345  %arrayidx0 = getelementptr inbounds i64, i64* %P, i64 -1
346  store i64 %v, i64* %arrayidx0
347  %arrayidx1 = getelementptr inbounds i16, i16* %0, i64 -4
348  %1 = load i16, i16* %arrayidx1
349  ret i16 %1
350}
351
352; CHECK-LABEL: Unscaled_Str64Ldr16_1
353; CHECK: ubfx x0, x1, #16, #16
354define i16 @Unscaled_Str64Ldr16_1(i64* nocapture %P, i64 %v, i64 %n) {
355entry:
356  %0 = bitcast i64* %P to i16*
357  %arrayidx0 = getelementptr inbounds i64, i64* %P, i64 -1
358  store i64 %v, i64* %arrayidx0
359  %arrayidx1 = getelementptr inbounds i16, i16* %0, i64 -3
360  %1 = load i16, i16* %arrayidx1
361  ret i16 %1
362}
363
364; CHECK-LABEL: Unscaled_Str64Ldr16_2
365; CHECK: ubfx x0, x1, #32, #16
366define i16 @Unscaled_Str64Ldr16_2(i64* nocapture %P, i64 %v, i64 %n) {
367entry:
368  %0 = bitcast i64* %P to i16*
369  %arrayidx0 = getelementptr inbounds i64, i64* %P, i64 -1
370  store i64 %v, i64* %arrayidx0
371  %arrayidx1 = getelementptr inbounds i16, i16* %0, i64 -2
372  %1 = load i16, i16* %arrayidx1
373  ret i16 %1
374}
375
376; CHECK-LABEL: Unscaled_Str64Ldr16_3
377; CHECK: lsr x0, x1, #48
378define i16 @Unscaled_Str64Ldr16_3(i64* nocapture %P, i64 %v, i64 %n) {
379entry:
380  %0 = bitcast i64* %P to i16*
381  %arrayidx0 = getelementptr inbounds i64, i64* %P, i64 -1
382  store i64 %v, i64* %arrayidx0
383  %arrayidx1 = getelementptr inbounds i16, i16* %0, i64 -1
384  %1 = load i16, i16* %arrayidx1
385  ret i16 %1
386}
387
388; CHECK-LABEL: Unscaled_Str64Ldr8_0
389; CHECK: and x0, x1, #0xff
390define i8 @Unscaled_Str64Ldr8_0(i64* nocapture %P, i64 %v, i64 %n) {
391entry:
392  %0 = bitcast i64* %P to i8*
393  %arrayidx0 = getelementptr inbounds i64, i64* %P, i64 -1
394  store i64 %v, i64* %arrayidx0
395  %arrayidx1 = getelementptr inbounds i8, i8* %0, i64 -8
396  %1 = load i8, i8* %arrayidx1
397  ret i8 %1
398}
399
400; CHECK-LABEL: Unscaled_Str64Ldr8_1
401; CHECK: ubfx x0, x1, #8, #8
402define i8 @Unscaled_Str64Ldr8_1(i64* nocapture %P, i64 %v, i64 %n) {
403entry:
404  %0 = bitcast i64* %P to i8*
405  %arrayidx0 = getelementptr inbounds i64, i64* %P, i64 -1
406  store i64 %v, i64* %arrayidx0
407  %arrayidx1 = getelementptr inbounds i8, i8* %0, i64 -7
408  %1 = load i8, i8* %arrayidx1
409  ret i8 %1
410}
411
412; CHECK-LABEL: Unscaled_Str64Ldr8_2
413; CHECK: ubfx x0, x1, #16, #8
414define i8 @Unscaled_Str64Ldr8_2(i64* nocapture %P, i64 %v, i64 %n) {
415entry:
416  %0 = bitcast i64* %P to i8*
417  %arrayidx0 = getelementptr inbounds i64, i64* %P, i64 -1
418  store i64 %v, i64* %arrayidx0
419  %arrayidx1 = getelementptr inbounds i8, i8* %0, i64 -6
420  %1 = load i8, i8* %arrayidx1
421  ret i8 %1
422}
423
424; CHECK-LABEL: Unscaled_Str64Ldr8_3
425; CHECK: ubfx x0, x1, #24, #8
426define i8 @Unscaled_Str64Ldr8_3(i64* nocapture %P, i64 %v, i64 %n) {
427entry:
428  %0 = bitcast i64* %P to i8*
429  %arrayidx0 = getelementptr inbounds i64, i64* %P, i64 -1
430  store i64 %v, i64* %arrayidx0
431  %arrayidx1 = getelementptr inbounds i8, i8* %0, i64 -5
432  %1 = load i8, i8* %arrayidx1
433  ret i8 %1
434}
435
436; CHECK-LABEL: Unscaled_Str64Ldr8_4
437; CHECK: ubfx x0, x1, #32, #8
438define i8 @Unscaled_Str64Ldr8_4(i64* nocapture %P, i64 %v, i64 %n) {
439entry:
440  %0 = bitcast i64* %P to i8*
441  %arrayidx0 = getelementptr inbounds i64, i64* %P, i64 -1
442  store i64 %v, i64* %arrayidx0
443  %arrayidx1 = getelementptr inbounds i8, i8* %0, i64 -4
444  %1 = load i8, i8* %arrayidx1
445  ret i8 %1
446}
447
448; CHECK-LABEL: Unscaled_Str64Ldr8_5
449; CHECK: ubfx x0, x1, #40, #8
450define i8 @Unscaled_Str64Ldr8_5(i64* nocapture %P, i64 %v, i64 %n) {
451entry:
452  %0 = bitcast i64* %P to i8*
453  %arrayidx0 = getelementptr inbounds i64, i64* %P, i64 -1
454  store i64 %v, i64* %arrayidx0
455  %arrayidx1 = getelementptr inbounds i8, i8* %0, i64 -3
456  %1 = load i8, i8* %arrayidx1
457  ret i8 %1
458}
459
460; CHECK-LABEL: Unscaled_Str64Ldr8_6
461; CHECK: ubfx x0, x1, #48, #8
462define i8 @Unscaled_Str64Ldr8_6(i64* nocapture %P, i64 %v, i64 %n) {
463entry:
464  %0 = bitcast i64* %P to i8*
465  %arrayidx0 = getelementptr inbounds i64, i64* %P, i64 -1
466  store i64 %v, i64* %arrayidx0
467  %arrayidx1 = getelementptr inbounds i8, i8* %0, i64 -2
468  %1 = load i8, i8* %arrayidx1
469  ret i8 %1
470}
471
472; CHECK-LABEL: Unscaled_Str64Ldr8_7
473; CHECK: lsr x0, x1, #56
474define i8 @Unscaled_Str64Ldr8_7(i64* nocapture %P, i64 %v, i64 %n) {
475entry:
476  %0 = bitcast i64* %P to i8*
477  %arrayidx0 = getelementptr inbounds i64, i64* %P, i64 -1
478  store i64 %v, i64* %arrayidx0
479  %arrayidx1 = getelementptr inbounds i8, i8* %0, i64 -1
480  %1 = load i8, i8* %arrayidx1
481  ret i8 %1
482}
483
484; CHECK-LABEL: Unscaled_Str32Ldr32
485; CHECK: mov w0, w1
486define i32 @Unscaled_Str32Ldr32(i32* nocapture %P, i32 %v, i64 %n) {
487entry:
488  %0 = bitcast i32* %P to i32*
489  %arrayidx0 = getelementptr inbounds i32, i32* %P, i64 -1
490  store i32 %v, i32* %arrayidx0
491  %arrayidx1 = getelementptr inbounds i32, i32* %0, i64 -1
492  %1 = load i32, i32* %arrayidx1
493  ret i32 %1
494}
495
496; CHECK-LABEL: Unscaled_Str32Ldr16_0
497; CHECK: and w0, w1, #0xffff
498define i16 @Unscaled_Str32Ldr16_0(i32* nocapture %P, i32 %v, i64 %n) {
499entry:
500  %0 = bitcast i32* %P to i16*
501  %arrayidx0 = getelementptr inbounds i32, i32* %P, i64 -1
502  store i32 %v, i32* %arrayidx0
503  %arrayidx1 = getelementptr inbounds i16, i16* %0, i64 -2
504  %1 = load i16, i16* %arrayidx1
505  ret i16 %1
506}
507
508; CHECK-LABEL: Unscaled_Str32Ldr16_1
509; CHECK: lsr    w0, w1, #16
510define i16 @Unscaled_Str32Ldr16_1(i32* nocapture %P, i32 %v, i64 %n) {
511entry:
512  %0 = bitcast i32* %P to i16*
513  %arrayidx0 = getelementptr inbounds i32, i32* %P, i64 -1
514  store i32 %v, i32* %arrayidx0
515  %arrayidx1 = getelementptr inbounds i16, i16* %0, i64 -1
516  %1 = load i16, i16* %arrayidx1
517  ret i16 %1
518}
519
520; CHECK-LABEL: Unscaled_Str32Ldr8_0
521; CHECK: and w0, w1, #0xff
522define i8 @Unscaled_Str32Ldr8_0(i32* nocapture %P, i32 %v, i64 %n) {
523entry:
524  %0 = bitcast i32* %P to i8*
525  %arrayidx0 = getelementptr inbounds i32, i32* %P, i64 -1
526  store i32 %v, i32* %arrayidx0
527  %arrayidx1 = getelementptr inbounds i8, i8* %0, i64 -4
528  %1 = load i8, i8* %arrayidx1
529  ret i8 %1
530}
531
532; CHECK-LABEL: Unscaled_Str32Ldr8_1
533; CHECK: ubfx w0, w1, #8, #8
534define i8 @Unscaled_Str32Ldr8_1(i32* nocapture %P, i32 %v, i64 %n) {
535entry:
536  %0 = bitcast i32* %P to i8*
537  %arrayidx0 = getelementptr inbounds i32, i32* %P, i64 -1
538  store i32 %v, i32* %arrayidx0
539  %arrayidx1 = getelementptr inbounds i8, i8* %0, i64 -3
540  %1 = load i8, i8* %arrayidx1
541  ret i8 %1
542}
543
544; CHECK-LABEL: Unscaled_Str32Ldr8_2
545; CHECK: ubfx w0, w1, #16, #8
546define i8 @Unscaled_Str32Ldr8_2(i32* nocapture %P, i32 %v, i64 %n) {
547entry:
548  %0 = bitcast i32* %P to i8*
549  %arrayidx0 = getelementptr inbounds i32, i32* %P, i64 -1
550  store i32 %v, i32* %arrayidx0
551  %arrayidx1 = getelementptr inbounds i8, i8* %0, i64 -2
552  %1 = load i8, i8* %arrayidx1
553  ret i8 %1
554}
555
556; CHECK-LABEL: Unscaled_Str32Ldr8_3
557; CHECK: lsr w0, w1, #24
558define i8 @Unscaled_Str32Ldr8_3(i32* nocapture %P, i32 %v, i64 %n) {
559entry:
560  %0 = bitcast i32* %P to i8*
561  %arrayidx0 = getelementptr inbounds i32, i32* %P, i64 -1
562  store i32 %v, i32* %arrayidx0
563  %arrayidx1 = getelementptr inbounds i8, i8* %0, i64 -1
564  %1 = load i8, i8* %arrayidx1
565  ret i8 %1
566}
567
568; CHECK-LABEL: Unscaled_Str16Ldr16
569; CHECK: and w0, w1, #0xffff
570define i16 @Unscaled_Str16Ldr16(i16* nocapture %P, i16 %v, i64 %n) {
571entry:
572  %0 = bitcast i16* %P to i16*
573  %arrayidx0 = getelementptr inbounds i16, i16* %P, i64 -1
574  store i16 %v, i16* %arrayidx0
575  %arrayidx1 = getelementptr inbounds i16, i16* %0, i64 -1
576  %1 = load i16, i16* %arrayidx1
577  ret i16 %1
578}
579
580; CHECK-LABEL: Unscaled_Str16Ldr8_0
581; CHECK: and w0, w1, #0xff
582define i8 @Unscaled_Str16Ldr8_0(i16* nocapture %P, i16 %v, i64 %n) {
583entry:
584  %0 = bitcast i16* %P to i8*
585  %arrayidx0 = getelementptr inbounds i16, i16* %P, i64 -1
586  store i16 %v, i16* %arrayidx0
587  %arrayidx1 = getelementptr inbounds i8, i8* %0, i64 -2
588  %1 = load i8, i8* %arrayidx1
589  ret i8 %1
590}
591
592; CHECK-LABEL: Unscaled_Str16Ldr8_1
593; CHECK: ubfx w0, w1, #8, #8
594define i8 @Unscaled_Str16Ldr8_1(i16* nocapture %P, i16 %v, i64 %n) {
595entry:
596  %0 = bitcast i16* %P to i8*
597  %arrayidx0 = getelementptr inbounds i16, i16* %P, i64 -1
598  store i16 %v, i16* %arrayidx0
599  %arrayidx1 = getelementptr inbounds i8, i8* %0, i64 -1
600  %1 = load i8, i8* %arrayidx1
601  ret i8 %1
602}
603
604; CHECK-LABEL: StrVolatileLdr
605; CHECK: ldrh
606define i16 @StrVolatileLdr(i32* nocapture %P, i32 %v, i64 %n) {
607entry:
608  %0 = bitcast i32* %P to i16*
609  %arrayidx0 = getelementptr inbounds i32, i32* %P, i64 1
610  store i32 %v, i32* %arrayidx0
611  %arrayidx1 = getelementptr inbounds i16, i16* %0, i64 2
612  %1 = load volatile i16, i16* %arrayidx1
613  ret i16 %1
614}
615
616; CHECK-LABEL: StrNotInRangeLdr
617; CHECK: ldrh
618define i16 @StrNotInRangeLdr(i32* nocapture %P, i32 %v, i64 %n) {
619entry:
620  %0 = bitcast i32* %P to i16*
621  %arrayidx0 = getelementptr inbounds i32, i32* %P, i64 1
622  store i32 %v, i32* %arrayidx0
623  %arrayidx1 = getelementptr inbounds i16, i16* %0, i64 1
624  %1 = load i16, i16* %arrayidx1
625  ret i16 %1
626}
627
628; CHECK-LABEL: Unscaled_StrNotInRangeLdr
629; CHECK: ldurh
630define i16 @Unscaled_StrNotInRangeLdr(i32* nocapture %P, i32 %v, i64 %n) {
631entry:
632  %0 = bitcast i32* %P to i16*
633  %arrayidx0 = getelementptr inbounds i32, i32* %P, i64 -1
634  store i32 %v, i32* %arrayidx0
635  %arrayidx1 = getelementptr inbounds i16, i16* %0, i64 -3
636  %1 = load i16, i16* %arrayidx1
637  ret i16 %1
638}
639
640; CHECK-LABEL: StrCallLdr
641; CHECK: ldrh
642define i16 @StrCallLdr(i32* nocapture %P, i32 %v, i64 %n) {
643entry:
644  %0 = bitcast i32* %P to i16*
645  %arrayidx0 = getelementptr inbounds i32, i32* %P, i64 1
646  store i32 %v, i32* %arrayidx0
647  %c = call i1 @test_dummy()
648  %arrayidx1 = getelementptr inbounds i16, i16* %0, i64 1
649  %1 = load i16, i16* %arrayidx1
650  ret i16 %1
651}
652
653declare i1 @test_dummy()
654
655; CHECK-LABEL: StrStrLdr
656; CHECK: ldrh
657define i16 @StrStrLdr(i32 %v, i32* %P, i32* %P2, i32 %n) {
658entry:
659  %0 = bitcast i32* %P to i16*
660  %arrayidx0 = getelementptr inbounds i32, i32* %P, i64 1
661  store i32 %v, i32* %arrayidx0
662  store i32 %n, i32* %P2
663  %arrayidx1 = getelementptr inbounds i16, i16* %0, i64 2
664  %1 = load i16, i16* %arrayidx1
665  ret i16 %1
666}
Note: See TracBrowser for help on using the repository browser.