1; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
2; RUN: llc < %s -mtriple=aarch64-- | FileCheck %s
3
4; Select of constants: control flow / conditional moves can always be replaced by logic+math (but may not be worth it?).
5; Test the zeroext/signext variants of each pattern to see if that makes a difference.
6
7; select Cond, 0, 1 --> zext (!Cond)
8
9define i32 @select_0_or_1(i1 %cond) {
10; CHECK-LABEL: select_0_or_1:
11; CHECK:       // %bb.0:
12; CHECK-NEXT:    mvn w8, w0
13; CHECK-NEXT:    and w0, w8, #0x1
14; CHECK-NEXT:    ret
15  %sel = select i1 %cond, i32 0, i32 1
16  ret i32 %sel
17}
18
19define i32 @select_0_or_1_zeroext(i1 zeroext %cond) {
20; CHECK-LABEL: select_0_or_1_zeroext:
21; CHECK:       // %bb.0:
22; CHECK-NEXT:    eor w0, w0, #0x1
23; CHECK-NEXT:    ret
24  %sel = select i1 %cond, i32 0, i32 1
25  ret i32 %sel
26}
27
28define i32 @select_0_or_1_signext(i1 signext %cond) {
29; CHECK-LABEL: select_0_or_1_signext:
30; CHECK:       // %bb.0:
31; CHECK-NEXT:    mvn w8, w0
32; CHECK-NEXT:    and w0, w8, #0x1
33; CHECK-NEXT:    ret
34  %sel = select i1 %cond, i32 0, i32 1
35  ret i32 %sel
36}
37
38; select Cond, 1, 0 --> zext (Cond)
39
40define i32 @select_1_or_0(i1 %cond) {
41; CHECK-LABEL: select_1_or_0:
42; CHECK:       // %bb.0:
43; CHECK-NEXT:    and w0, w0, #0x1
44; CHECK-NEXT:    ret
45  %sel = select i1 %cond, i32 1, i32 0
46  ret i32 %sel
47}
48
49define i32 @select_1_or_0_zeroext(i1 zeroext %cond) {
50; CHECK-LABEL: select_1_or_0_zeroext:
51; CHECK:       // %bb.0:
52; CHECK-NEXT:    ret
53  %sel = select i1 %cond, i32 1, i32 0
54  ret i32 %sel
55}
56
57define i32 @select_1_or_0_signext(i1 signext %cond) {
58; CHECK-LABEL: select_1_or_0_signext:
59; CHECK:       // %bb.0:
60; CHECK-NEXT:    and w0, w0, #0x1
61; CHECK-NEXT:    ret
62  %sel = select i1 %cond, i32 1, i32 0
63  ret i32 %sel
64}
65
66; select Cond, 0, -1 --> sext (!Cond)
67
68define i32 @select_0_or_neg1(i1 %cond) {
69; CHECK-LABEL: select_0_or_neg1:
70; CHECK:       // %bb.0:
71; CHECK-NEXT:    mvn w8, w0
72; CHECK-NEXT:    sbfx w0, w8, #0, #1
73; CHECK-NEXT:    ret
74  %sel = select i1 %cond, i32 0, i32 -1
75  ret i32 %sel
76}
77
78define i32 @select_0_or_neg1_zeroext(i1 zeroext %cond) {
79; CHECK-LABEL: select_0_or_neg1_zeroext:
80; CHECK:       // %bb.0:
81; CHECK-NEXT:    mvn w8, w0
82; CHECK-NEXT:    sbfx w0, w8, #0, #1
83; CHECK-NEXT:    ret
84  %sel = select i1 %cond, i32 0, i32 -1
85  ret i32 %sel
86}
87
88define i32 @select_0_or_neg1_signext(i1 signext %cond) {
89; CHECK-LABEL: select_0_or_neg1_signext:
90; CHECK:       // %bb.0:
91; CHECK-NEXT:    mvn w0, w0
92; CHECK-NEXT:    ret
93  %sel = select i1 %cond, i32 0, i32 -1
94  ret i32 %sel
95}
96
97; select Cond, -1, 0 --> sext (Cond)
98
99define i32 @select_neg1_or_0(i1 %cond) {
100; CHECK-LABEL: select_neg1_or_0:
101; CHECK:       // %bb.0:
102; CHECK-NEXT:    sbfx w0, w0, #0, #1
103; CHECK-NEXT:    ret
104  %sel = select i1 %cond, i32 -1, i32 0
105  ret i32 %sel
106}
107
108define i32 @select_neg1_or_0_zeroext(i1 zeroext %cond) {
109; CHECK-LABEL: select_neg1_or_0_zeroext:
110; CHECK:       // %bb.0:
111; CHECK-NEXT:    sbfx w0, w0, #0, #1
112; CHECK-NEXT:    ret
113  %sel = select i1 %cond, i32 -1, i32 0
114  ret i32 %sel
115}
116
117define i32 @select_neg1_or_0_signext(i1 signext %cond) {
118; CHECK-LABEL: select_neg1_or_0_signext:
119; CHECK:       // %bb.0:
120; CHECK-NEXT:    ret
121  %sel = select i1 %cond, i32 -1, i32 0
122  ret i32 %sel
123}
124
125; select Cond, C+1, C --> add (zext Cond), C
126
127define i32 @select_Cplus1_C(i1 %cond) {
128; CHECK-LABEL: select_Cplus1_C:
129; CHECK:       // %bb.0:
130; CHECK-NEXT:    tst w0, #0x1
131; CHECK-NEXT:    mov w8, #41
132; CHECK-NEXT:    cinc w0, w8, ne
133; CHECK-NEXT:    ret
134  %sel = select i1 %cond, i32 42, i32 41
135  ret i32 %sel
136}
137
138define i32 @select_Cplus1_C_zeroext(i1 zeroext %cond) {
139; CHECK-LABEL: select_Cplus1_C_zeroext:
140; CHECK:       // %bb.0:
141; CHECK-NEXT:    cmp w0, #0 // =0
142; CHECK-NEXT:    mov w8, #41
143; CHECK-NEXT:    cinc w0, w8, ne
144; CHECK-NEXT:    ret
145  %sel = select i1 %cond, i32 42, i32 41
146  ret i32 %sel
147}
148
149define i32 @select_Cplus1_C_signext(i1 signext %cond) {
150; CHECK-LABEL: select_Cplus1_C_signext:
151; CHECK:       // %bb.0:
152; CHECK-NEXT:    tst w0, #0x1
153; CHECK-NEXT:    mov w8, #41
154; CHECK-NEXT:    cinc w0, w8, ne
155; CHECK-NEXT:    ret
156  %sel = select i1 %cond, i32 42, i32 41
157  ret i32 %sel
158}
159
160; select Cond, C, C+1 --> add (sext Cond), C
161
162define i32 @select_C_Cplus1(i1 %cond) {
163; CHECK-LABEL: select_C_Cplus1:
164; CHECK:       // %bb.0:
165; CHECK-NEXT:    tst w0, #0x1
166; CHECK-NEXT:    mov w8, #41
167; CHECK-NEXT:    cinc w0, w8, eq
168; CHECK-NEXT:    ret
169  %sel = select i1 %cond, i32 41, i32 42
170  ret i32 %sel
171}
172
173define i32 @select_C_Cplus1_zeroext(i1 zeroext %cond) {
174; CHECK-LABEL: select_C_Cplus1_zeroext:
175; CHECK:       // %bb.0:
176; CHECK-NEXT:    cmp w0, #0 // =0
177; CHECK-NEXT:    mov w8, #41
178; CHECK-NEXT:    cinc w0, w8, eq
179; CHECK-NEXT:    ret
180  %sel = select i1 %cond, i32 41, i32 42
181  ret i32 %sel
182}
183
184define i32 @select_C_Cplus1_signext(i1 signext %cond) {
185; CHECK-LABEL: select_C_Cplus1_signext:
186; CHECK:       // %bb.0:
187; CHECK-NEXT:    tst w0, #0x1
188; CHECK-NEXT:    mov w8, #41
189; CHECK-NEXT:    cinc w0, w8, eq
190; CHECK-NEXT:    ret
191  %sel = select i1 %cond, i32 41, i32 42
192  ret i32 %sel
193}
194
195; In general, select of 2 constants could be:
196; select Cond, C1, C2 --> add (mul (zext Cond), C1-C2), C2 --> add (and (sext Cond), C1-C2), C2
197
198define i32 @select_C1_C2(i1 %cond) {
199; CHECK-LABEL: select_C1_C2:
200; CHECK:       // %bb.0:
201; CHECK-NEXT:    tst w0, #0x1
202; CHECK-NEXT:    mov w8, #42
203; CHECK-NEXT:    mov w9, #421
204; CHECK-NEXT:    csel w0, w9, w8, ne
205; CHECK-NEXT:    ret
206  %sel = select i1 %cond, i32 421, i32 42
207  ret i32 %sel
208}
209
210define i32 @select_C1_C2_zeroext(i1 zeroext %cond) {
211; CHECK-LABEL: select_C1_C2_zeroext:
212; CHECK:       // %bb.0:
213; CHECK-NEXT:    cmp w0, #0 // =0
214; CHECK-NEXT:    mov w8, #42
215; CHECK-NEXT:    mov w9, #421
216; CHECK-NEXT:    csel w0, w9, w8, ne
217; CHECK-NEXT:    ret
218  %sel = select i1 %cond, i32 421, i32 42
219  ret i32 %sel
220}
221
222define i32 @select_C1_C2_signext(i1 signext %cond) {
223; CHECK-LABEL: select_C1_C2_signext:
224; CHECK:       // %bb.0:
225; CHECK-NEXT:    tst w0, #0x1
226; CHECK-NEXT:    mov w8, #42
227; CHECK-NEXT:    mov w9, #421
228; CHECK-NEXT:    csel w0, w9, w8, ne
229; CHECK-NEXT:    ret
230  %sel = select i1 %cond, i32 421, i32 42
231  ret i32 %sel
232}
233
234; A binary operator with constant after the select should always get folded into the select.
235
236define i8 @sel_constants_add_constant(i1 %cond) {
237; CHECK-LABEL: sel_constants_add_constant:
238; CHECK:       // %bb.0:
239; CHECK-NEXT:    tst w0, #0x1
240; CHECK-NEXT:    mov w8, #28
241; CHECK-NEXT:    csinc w0, w8, wzr, eq
242; CHECK-NEXT:    ret
243  %sel = select i1 %cond, i8 -4, i8 23
244  %bo = add i8 %sel, 5
245  ret i8 %bo
246}
247
248define i8 @sel_constants_sub_constant(i1 %cond) {
249; CHECK-LABEL: sel_constants_sub_constant:
250; CHECK:       // %bb.0:
251; CHECK-NEXT:    tst w0, #0x1
252; CHECK-NEXT:    mov w8, #18
253; CHECK-NEXT:    mov w9, #-9
254; CHECK-NEXT:    csel w0, w9, w8, ne
255; CHECK-NEXT:    ret
256  %sel = select i1 %cond, i8 -4, i8 23
257  %bo = sub i8 %sel, 5
258  ret i8 %bo
259}
260
261define i8 @sel_constants_sub_constant_sel_constants(i1 %cond) {
262; CHECK-LABEL: sel_constants_sub_constant_sel_constants:
263; CHECK:       // %bb.0:
264; CHECK-NEXT:    tst w0, #0x1
265; CHECK-NEXT:    mov w8, #2
266; CHECK-NEXT:    mov w9, #9
267; CHECK-NEXT:    csel w0, w9, w8, ne
268; CHECK-NEXT:    ret
269  %sel = select i1 %cond, i8 -4, i8 3
270  %bo = sub i8 5, %sel
271  ret i8 %bo
272}
273
274define i8 @sel_constants_mul_constant(i1 %cond) {
275; CHECK-LABEL: sel_constants_mul_constant:
276; CHECK:       // %bb.0:
277; CHECK-NEXT:    tst w0, #0x1
278; CHECK-NEXT:    mov w8, #115
279; CHECK-NEXT:    mov w9, #-20
280; CHECK-NEXT:    csel w0, w9, w8, ne
281; CHECK-NEXT:    ret
282  %sel = select i1 %cond, i8 -4, i8 23
283  %bo = mul i8 %sel, 5
284  ret i8 %bo
285}
286
287define i8 @sel_constants_sdiv_constant(i1 %cond) {
288; CHECK-LABEL: sel_constants_sdiv_constant:
289; CHECK:       // %bb.0:
290; CHECK-NEXT:    tst w0, #0x1
291; CHECK-NEXT:    mov w8, #4
292; CHECK-NEXT:    csel w0, wzr, w8, ne
293; CHECK-NEXT:    ret
294  %sel = select i1 %cond, i8 -4, i8 23
295  %bo = sdiv i8 %sel, 5
296  ret i8 %bo
297}
298
299define i8 @sdiv_constant_sel_constants(i1 %cond) {
300; CHECK-LABEL: sdiv_constant_sel_constants:
301; CHECK:       // %bb.0:
302; CHECK-NEXT:    tst w0, #0x1
303; CHECK-NEXT:    mov w8, #5
304; CHECK-NEXT:    csel w0, wzr, w8, ne
305; CHECK-NEXT:    ret
306  %sel = select i1 %cond, i8 121, i8 23
307  %bo = sdiv i8 120, %sel
308  ret i8 %bo
309}
310
311define i8 @sel_constants_udiv_constant(i1 %cond) {
312; CHECK-LABEL: sel_constants_udiv_constant:
313; CHECK:       // %bb.0:
314; CHECK-NEXT:    tst w0, #0x1
315; CHECK-NEXT:    mov w8, #4
316; CHECK-NEXT:    mov w9, #50
317; CHECK-NEXT:    csel w0, w9, w8, ne
318; CHECK-NEXT:    ret
319  %sel = select i1 %cond, i8 -4, i8 23
320  %bo = udiv i8 %sel, 5
321  ret i8 %bo
322}
323
324define i8 @udiv_constant_sel_constants(i1 %cond) {
325; CHECK-LABEL: udiv_constant_sel_constants:
326; CHECK:       // %bb.0:
327; CHECK-NEXT:    tst w0, #0x1
328; CHECK-NEXT:    mov w8, #5
329; CHECK-NEXT:    csel w0, wzr, w8, ne
330; CHECK-NEXT:    ret
331  %sel = select i1 %cond, i8 -4, i8 23
332  %bo = udiv i8 120, %sel
333  ret i8 %bo
334}
335
336define i8 @sel_constants_srem_constant(i1 %cond) {
337; CHECK-LABEL: sel_constants_srem_constant:
338; CHECK:       // %bb.0:
339; CHECK-NEXT:    tst w0, #0x1
340; CHECK-NEXT:    mov w8, #-4
341; CHECK-NEXT:    cinv w0, w8, eq
342; CHECK-NEXT:    ret
343  %sel = select i1 %cond, i8 -4, i8 23
344  %bo = srem i8 %sel, 5
345  ret i8 %bo
346}
347
348define i8 @srem_constant_sel_constants(i1 %cond) {
349; CHECK-LABEL: srem_constant_sel_constants:
350; CHECK:       // %bb.0:
351; CHECK-NEXT:    tst w0, #0x1
352; CHECK-NEXT:    mov w8, #5
353; CHECK-NEXT:    mov w9, #120
354; CHECK-NEXT:    csel w0, w9, w8, ne
355; CHECK-NEXT:    ret
356  %sel = select i1 %cond, i8 121, i8 23
357  %bo = srem i8 120, %sel
358  ret i8 %bo
359}
360
361define i8 @sel_constants_urem_constant(i1 %cond) {
362; CHECK-LABEL: sel_constants_urem_constant:
363; CHECK:       // %bb.0:
364; CHECK-NEXT:    tst w0, #0x1
365; CHECK-NEXT:    mov w8, #2
366; CHECK-NEXT:    cinc w0, w8, eq
367; CHECK-NEXT:    ret
368  %sel = select i1 %cond, i8 -4, i8 23
369  %bo = urem i8 %sel, 5
370  ret i8 %bo
371}
372
373define i8 @urem_constant_sel_constants(i1 %cond) {
374; CHECK-LABEL: urem_constant_sel_constants:
375; CHECK:       // %bb.0:
376; CHECK-NEXT:    tst w0, #0x1
377; CHECK-NEXT:    mov w8, #5
378; CHECK-NEXT:    mov w9, #120
379; CHECK-NEXT:    csel w0, w9, w8, ne
380; CHECK-NEXT:    ret
381  %sel = select i1 %cond, i8 -4, i8 23
382  %bo = urem i8 120, %sel
383  ret i8 %bo
384}
385
386define i8 @sel_constants_and_constant(i1 %cond) {
387; CHECK-LABEL: sel_constants_and_constant:
388; CHECK:       // %bb.0:
389; CHECK-NEXT:    tst w0, #0x1
390; CHECK-NEXT:    mov w8, #4
391; CHECK-NEXT:    cinc w0, w8, eq
392; CHECK-NEXT:    ret
393  %sel = select i1 %cond, i8 -4, i8 23
394  %bo = and i8 %sel, 5
395  ret i8 %bo
396}
397
398define i8 @sel_constants_or_constant(i1 %cond) {
399; CHECK-LABEL: sel_constants_or_constant:
400; CHECK:       // %bb.0:
401; CHECK-NEXT:    tst w0, #0x1
402; CHECK-NEXT:    mov w8, #23
403; CHECK-NEXT:    mov w9, #-3
404; CHECK-NEXT:    csel w0, w9, w8, ne
405; CHECK-NEXT:    ret
406  %sel = select i1 %cond, i8 -4, i8 23
407  %bo = or i8 %sel, 5
408  ret i8 %bo
409}
410
411define i8 @sel_constants_xor_constant(i1 %cond) {
412; CHECK-LABEL: sel_constants_xor_constant:
413; CHECK:       // %bb.0:
414; CHECK-NEXT:    tst w0, #0x1
415; CHECK-NEXT:    mov w8, #18
416; CHECK-NEXT:    mov w9, #-7
417; CHECK-NEXT:    csel w0, w9, w8, ne
418; CHECK-NEXT:    ret
419  %sel = select i1 %cond, i8 -4, i8 23
420  %bo = xor i8 %sel, 5
421  ret i8 %bo
422}
423
424define i8 @sel_constants_shl_constant(i1 %cond) {
425; CHECK-LABEL: sel_constants_shl_constant:
426; CHECK:       // %bb.0:
427; CHECK-NEXT:    tst w0, #0x1
428; CHECK-NEXT:    mov w8, #-32
429; CHECK-NEXT:    mov w9, #-128
430; CHECK-NEXT:    csel w0, w9, w8, ne
431; CHECK-NEXT:    ret
432  %sel = select i1 %cond, i8 -4, i8 23
433  %bo = shl i8 %sel, 5
434  ret i8 %bo
435}
436
437define i8 @shl_constant_sel_constants(i1 %cond) {
438; CHECK-LABEL: shl_constant_sel_constants:
439; CHECK:       // %bb.0:
440; CHECK-NEXT:    tst w0, #0x1
441; CHECK-NEXT:    mov w8, #2
442; CHECK-NEXT:    cinc x8, x8, eq
443; CHECK-NEXT:    mov w9, #1
444; CHECK-NEXT:    lsl w0, w9, w8
445; CHECK-NEXT:    ret
446  %sel = select i1 %cond, i8 2, i8 3
447  %bo = shl i8 1, %sel
448  ret i8 %bo
449}
450
451define i8 @sel_constants_lshr_constant(i1 %cond) {
452; CHECK-LABEL: sel_constants_lshr_constant:
453; CHECK:       // %bb.0:
454; CHECK-NEXT:    tst w0, #0x1
455; CHECK-NEXT:    mov w8, #7
456; CHECK-NEXT:    csel w0, w8, wzr, ne
457; CHECK-NEXT:    ret
458  %sel = select i1 %cond, i8 -4, i8 23
459  %bo = lshr i8 %sel, 5
460  ret i8 %bo
461}
462
463define i8 @lshr_constant_sel_constants(i1 %cond) {
464; CHECK-LABEL: lshr_constant_sel_constants:
465; CHECK:       // %bb.0:
466; CHECK-NEXT:    tst w0, #0x1
467; CHECK-NEXT:    mov w8, #2
468; CHECK-NEXT:    cinc x8, x8, eq
469; CHECK-NEXT:    mov w9, #64
470; CHECK-NEXT:    lsr w0, w9, w8
471; CHECK-NEXT:    ret
472  %sel = select i1 %cond, i8 2, i8 3
473  %bo = lshr i8 64, %sel
474  ret i8 %bo
475}
476
477
478define i8 @sel_constants_ashr_constant(i1 %cond) {
479; CHECK-LABEL: sel_constants_ashr_constant:
480; CHECK:       // %bb.0:
481; CHECK-NEXT:    sbfx w0, w0, #0, #1
482; CHECK-NEXT:    ret
483  %sel = select i1 %cond, i8 -4, i8 23
484  %bo = ashr i8 %sel, 5
485  ret i8 %bo
486}
487
488define i8 @ashr_constant_sel_constants(i1 %cond) {
489; CHECK-LABEL: ashr_constant_sel_constants:
490; CHECK:       // %bb.0:
491; CHECK-NEXT:    tst w0, #0x1
492; CHECK-NEXT:    mov w8, #2
493; CHECK-NEXT:    cinc x8, x8, eq
494; CHECK-NEXT:    mov w9, #-128
495; CHECK-NEXT:    asr w0, w9, w8
496; CHECK-NEXT:    ret
497  %sel = select i1 %cond, i8 2, i8 3
498  %bo = ashr i8 128, %sel
499  ret i8 %bo
500}
501
502define double @sel_constants_fadd_constant(i1 %cond) {
503; CHECK-LABEL: sel_constants_fadd_constant:
504; CHECK:       // %bb.0:
505; CHECK-NEXT:    adrp x8, .LCPI42_0
506; CHECK-NEXT:    ldr d0, [x8, :lo12:.LCPI42_0]
507; CHECK-NEXT:    mov x8, #7378697629483820646
508; CHECK-NEXT:    movk x8, #16444, lsl #48
509; CHECK-NEXT:    tst w0, #0x1
510; CHECK-NEXT:    fmov d1, x8
511; CHECK-NEXT:    fcsel d0, d0, d1, ne
512; CHECK-NEXT:    ret
513  %sel = select i1 %cond, double -4.0, double 23.3
514  %bo = fadd double %sel, 5.1
515  ret double %bo
516}
517
518define double @sel_constants_fsub_constant(i1 %cond) {
519; CHECK-LABEL: sel_constants_fsub_constant:
520; CHECK:       // %bb.0:
521; CHECK-NEXT:    adrp x8, .LCPI43_0
522; CHECK-NEXT:    ldr d0, [x8, :lo12:.LCPI43_0]
523; CHECK-NEXT:    mov x8, #3689348814741910323
524; CHECK-NEXT:    movk x8, #49186, lsl #48
525; CHECK-NEXT:    tst w0, #0x1
526; CHECK-NEXT:    fmov d1, x8
527; CHECK-NEXT:    fcsel d0, d1, d0, ne
528; CHECK-NEXT:    ret
529  %sel = select i1 %cond, double -4.0, double 23.3
530  %bo = fsub double %sel, 5.1
531  ret double %bo
532}
533
534define double @fsub_constant_sel_constants(i1 %cond) {
535; CHECK-LABEL: fsub_constant_sel_constants:
536; CHECK:       // %bb.0:
537; CHECK-NEXT:    adrp x8, .LCPI44_0
538; CHECK-NEXT:    ldr d0, [x8, :lo12:.LCPI44_0]
539; CHECK-NEXT:    mov x8, #3689348814741910323
540; CHECK-NEXT:    movk x8, #16418, lsl #48
541; CHECK-NEXT:    tst w0, #0x1
542; CHECK-NEXT:    fmov d1, x8
543; CHECK-NEXT:    fcsel d0, d1, d0, ne
544; CHECK-NEXT:    ret
545  %sel = select i1 %cond, double -4.0, double 23.3
546  %bo = fsub double 5.1, %sel
547  ret double %bo
548}
549
550define double @sel_constants_fmul_constant(i1 %cond) {
551; CHECK-LABEL: sel_constants_fmul_constant:
552; CHECK:       // %bb.0:
553; CHECK-NEXT:    adrp x8, .LCPI45_0
554; CHECK-NEXT:    ldr d0, [x8, :lo12:.LCPI45_0]
555; CHECK-NEXT:    mov x8, #7378697629483820646
556; CHECK-NEXT:    movk x8, #49204, lsl #48
557; CHECK-NEXT:    tst w0, #0x1
558; CHECK-NEXT:    fmov d1, x8
559; CHECK-NEXT:    fcsel d0, d1, d0, ne
560; CHECK-NEXT:    ret
561  %sel = select i1 %cond, double -4.0, double 23.3
562  %bo = fmul double %sel, 5.1
563  ret double %bo
564}
565
566define double @sel_constants_fdiv_constant(i1 %cond) {
567; CHECK-LABEL: sel_constants_fdiv_constant:
568; CHECK:       // %bb.0:
569; CHECK-NEXT:    adrp x8, .LCPI46_0
570; CHECK-NEXT:    adrp x9, .LCPI46_1
571; CHECK-NEXT:    ldr d0, [x8, :lo12:.LCPI46_0]
572; CHECK-NEXT:    ldr d1, [x9, :lo12:.LCPI46_1]
573; CHECK-NEXT:    tst w0, #0x1
574; CHECK-NEXT:    fcsel d0, d1, d0, ne
575; CHECK-NEXT:    ret
576  %sel = select i1 %cond, double -4.0, double 23.3
577  %bo = fdiv double %sel, 5.1
578  ret double %bo
579}
580
581define double @fdiv_constant_sel_constants(i1 %cond) {
582; CHECK-LABEL: fdiv_constant_sel_constants:
583; CHECK:       // %bb.0:
584; CHECK-NEXT:    adrp x8, .LCPI47_0
585; CHECK-NEXT:    ldr d0, [x8, :lo12:.LCPI47_0]
586; CHECK-NEXT:    mov x8, #7378697629483820646
587; CHECK-NEXT:    movk x8, #49140, lsl #48
588; CHECK-NEXT:    tst w0, #0x1
589; CHECK-NEXT:    fmov d1, x8
590; CHECK-NEXT:    fcsel d0, d1, d0, ne
591; CHECK-NEXT:    ret
592  %sel = select i1 %cond, double -4.0, double 23.3
593  %bo = fdiv double 5.1, %sel
594  ret double %bo
595}
596
597define double @sel_constants_frem_constant(i1 %cond) {
598; CHECK-LABEL: sel_constants_frem_constant:
599; CHECK:       // %bb.0:
600; CHECK-NEXT:    adrp x8, .LCPI48_0
601; CHECK-NEXT:    ldr d0, [x8, :lo12:.LCPI48_0]
602; CHECK-NEXT:    tst w0, #0x1
603; CHECK-NEXT:    fmov d1, #-4.00000000
604; CHECK-NEXT:    fcsel d0, d1, d0, ne
605; CHECK-NEXT:    ret
606  %sel = select i1 %cond, double -4.0, double 23.3
607  %bo = frem double %sel, 5.1
608  ret double %bo
609}
610
611define double @frem_constant_sel_constants(i1 %cond) {
612; CHECK-LABEL: frem_constant_sel_constants:
613; CHECK:       // %bb.0:
614; CHECK-NEXT:    adrp x8, .LCPI49_0
615; CHECK-NEXT:    ldr d0, [x8, :lo12:.LCPI49_0]
616; CHECK-NEXT:    mov x8, #7378697629483820646
617; CHECK-NEXT:    movk x8, #16404, lsl #48
618; CHECK-NEXT:    tst w0, #0x1
619; CHECK-NEXT:    fmov d1, x8
620; CHECK-NEXT:    fcsel d0, d0, d1, ne
621; CHECK-NEXT:    ret
622  %sel = select i1 %cond, double -4.0, double 23.3
623  %bo = frem double 5.1, %sel
624  ret double %bo
625}
626