1 ; Tests to make sure elimination of casts is working correctly
2 ; RUN: opt < %s -instcombine -S | FileCheck %s
3 target datalayout = "E-p:64:64:64-p1:32:32:32-p2:64:64:64-p3:64:64:64-a0:0:8-f32:32:32-f64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:32:64-v64:64:64-v128:128:128-n8:16:32:64"
5 @inbuf = external global [32832 x i8] ; <[32832 x i8]*> [#uses=1]
7 define i32 @test1(i32 %A) {
8 %c1 = bitcast i32 %A to i32 ; <i32> [#uses=1]
9 %c2 = bitcast i32 %c1 to i32 ; <i32> [#uses=1]
14 define i64 @test2(i8 %A) {
15 %c1 = zext i8 %A to i16 ; <i16> [#uses=1]
16 %c2 = zext i16 %c1 to i32 ; <i32> [#uses=1]
17 %Ret = zext i32 %c2 to i64 ; <i64> [#uses=1]
19 ; CHECK: %Ret = zext i8 %A to i64
23 ; This function should just use bitwise AND
24 define i64 @test3(i64 %A) {
25 %c1 = trunc i64 %A to i8 ; <i8> [#uses=1]
26 %c2 = zext i8 %c1 to i64 ; <i64> [#uses=1]
28 ; CHECK: %c2 = and i64 %A, 255
32 define i32 @test4(i32 %A, i32 %B) {
33 %COND = icmp slt i32 %A, %B ; <i1> [#uses=1]
34 ; Booleans are unsigned integrals
35 %c = zext i1 %COND to i8 ; <i8> [#uses=1]
36 ; for the cast elim purpose
37 %result = zext i8 %c to i32 ; <i32> [#uses=1]
39 ; CHECK: %COND = icmp slt i32 %A, %B
40 ; CHECK: %result = zext i1 %COND to i32
41 ; CHECK: ret i32 %result
44 define i32 @test5(i1 %B) {
45 ; This cast should get folded into
46 %c = zext i1 %B to i8 ; <i8> [#uses=1]
48 %result = zext i8 %c to i32 ; <i32> [#uses=1]
50 ; CHECK: %result = zext i1 %B to i32
51 ; CHECK: ret i32 %result
54 define i32 @test6(i64 %A) {
55 %c1 = trunc i64 %A to i32 ; <i32> [#uses=1]
56 %res = bitcast i32 %c1 to i32 ; <i32> [#uses=1]
58 ; CHECK: trunc i64 %A to i32
62 define i64 @test7(i1 %A) {
63 %c1 = zext i1 %A to i32 ; <i32> [#uses=1]
64 %res = sext i32 %c1 to i64 ; <i64> [#uses=1]
66 ; CHECK: %res = zext i1 %A to i64
70 define i64 @test8(i8 %A) {
71 %c1 = sext i8 %A to i64 ; <i64> [#uses=1]
72 %res = bitcast i64 %c1 to i64 ; <i64> [#uses=1]
74 ; CHECK: = sext i8 %A to i64
78 define i16 @test9(i16 %A) {
79 %c1 = sext i16 %A to i32 ; <i32> [#uses=1]
80 %c2 = trunc i32 %c1 to i16 ; <i16> [#uses=1]
85 define i16 @test10(i16 %A) {
86 %c1 = sext i16 %A to i32 ; <i32> [#uses=1]
87 %c2 = trunc i32 %c1 to i16 ; <i16> [#uses=1]
92 declare void @varargs(i32, ...)
94 define void @test11(i32* %P) {
95 %c = bitcast i32* %P to i16* ; <i16*> [#uses=1]
96 call void (i32, ...)* @varargs( i32 5, i16* %c )
98 ; CHECK: call void (i32, ...)* @varargs(i32 5, i32* %P)
102 define i8* @test13(i64 %A) {
103 %c = getelementptr [0 x i8]* bitcast ([32832 x i8]* @inbuf to [0 x i8]*), i64 0, i64 %A ; <i8*> [#uses=1]
105 ; CHECK: %c = getelementptr [32832 x i8]* @inbuf, i64 0, i64 %A
109 define i1 @test14(i8 %A) {
110 %c = bitcast i8 %A to i8 ; <i8> [#uses=1]
111 %X = icmp ult i8 %c, -128 ; <i1> [#uses=1]
113 ; CHECK: %X = icmp sgt i8 %A, -1
118 ; This just won't occur when there's no difference between ubyte and sbyte
119 ;bool %test15(ubyte %A) {
120 ; %c = cast ubyte %A to sbyte
121 ; %X = setlt sbyte %c, 0 ; setgt %A, 127
125 define i1 @test16(i32* %P) {
126 %c = icmp ne i32* %P, null ; <i1> [#uses=1]
128 ; CHECK: %c = icmp ne i32* %P, null
132 define i16 @test17(i1 %tmp3) {
133 %c = zext i1 %tmp3 to i32 ; <i32> [#uses=1]
134 %t86 = trunc i32 %c to i16 ; <i16> [#uses=1]
136 ; CHECK: %t86 = zext i1 %tmp3 to i16
137 ; CHECK: ret i16 %t86
140 define i16 @test18(i8 %tmp3) {
141 %c = sext i8 %tmp3 to i32 ; <i32> [#uses=1]
142 %t86 = trunc i32 %c to i16 ; <i16> [#uses=1]
144 ; CHECK: %t86 = sext i8 %tmp3 to i16
145 ; CHECK: ret i16 %t86
148 define i1 @test19(i32 %X) {
149 %c = sext i32 %X to i64 ; <i64> [#uses=1]
150 %Z = icmp slt i64 %c, 12345 ; <i1> [#uses=1]
152 ; CHECK: %Z = icmp slt i32 %X, 12345
156 define i1 @test20(i1 %B) {
157 %c = zext i1 %B to i32 ; <i32> [#uses=1]
158 %D = icmp slt i32 %c, -1 ; <i1> [#uses=1]
161 ; CHECK: ret i1 false
164 define i32 @test21(i32 %X) {
165 %c1 = trunc i32 %X to i8 ; <i8> [#uses=1]
166 ;; sext -> zext -> and -> nop
167 %c2 = sext i8 %c1 to i32 ; <i32> [#uses=1]
168 %RV = and i32 %c2, 255 ; <i32> [#uses=1]
170 ; CHECK: %c21 = and i32 %X, 255
171 ; CHECK: ret i32 %c21
174 define i32 @test22(i32 %X) {
175 %c1 = trunc i32 %X to i8 ; <i8> [#uses=1]
176 ;; sext -> zext -> and -> nop
177 %c2 = sext i8 %c1 to i32 ; <i32> [#uses=1]
178 %RV = shl i32 %c2, 24 ; <i32> [#uses=1]
180 ; CHECK: shl i32 %X, 24
181 ; CHECK-NEXT: ret i32
184 define i32 @test23(i32 %X) {
185 ;; Turn into an AND even though X
186 %c1 = trunc i32 %X to i16 ; <i16> [#uses=1]
188 %c2 = zext i16 %c1 to i32 ; <i32> [#uses=1]
190 ; CHECK: %c2 = and i32 %X, 65535
194 define i1 @test24(i1 %C) {
195 %X = select i1 %C, i32 14, i32 1234 ; <i32> [#uses=1]
196 ;; Fold cast into select
197 %c = icmp ne i32 %X, 0 ; <i1> [#uses=1]
202 define void @test25(i32** %P) {
203 %c = bitcast i32** %P to float** ; <float**> [#uses=1]
204 ;; Fold cast into null
205 store float* null, float** %c
207 ; CHECK: store i32* null, i32** %P
211 define i32 @test26(float %F) {
212 ;; no need to cast from float->double.
213 %c = fpext float %F to double ; <double> [#uses=1]
214 %D = fptosi double %c to i32 ; <i32> [#uses=1]
216 ; CHECK: %D = fptosi float %F to i32
220 define [4 x float]* @test27([9 x [4 x float]]* %A) {
221 %c = bitcast [9 x [4 x float]]* %A to [4 x float]* ; <[4 x float]*> [#uses=1]
223 ; CHECK: %c = getelementptr inbounds [9 x [4 x float]]* %A, i64 0, i64 0
224 ; CHECK: ret [4 x float]* %c
227 define float* @test28([4 x float]* %A) {
228 %c = bitcast [4 x float]* %A to float* ; <float*> [#uses=1]
230 ; CHECK: %c = getelementptr inbounds [4 x float]* %A, i64 0, i64 0
231 ; CHECK: ret float* %c
234 define i32 @test29(i32 %c1, i32 %c2) {
235 %tmp1 = trunc i32 %c1 to i8 ; <i8> [#uses=1]
236 %tmp4.mask = trunc i32 %c2 to i8 ; <i8> [#uses=1]
237 %tmp = or i8 %tmp4.mask, %tmp1 ; <i8> [#uses=1]
238 %tmp10 = zext i8 %tmp to i32 ; <i32> [#uses=1]
240 ; CHECK: %tmp2 = or i32 %c2, %c1
241 ; CHECK: %tmp10 = and i32 %tmp2, 255
242 ; CHECK: ret i32 %tmp10
245 define i32 @test30(i32 %c1) {
246 %c2 = trunc i32 %c1 to i8 ; <i8> [#uses=1]
247 %c3 = xor i8 %c2, 1 ; <i8> [#uses=1]
248 %c4 = zext i8 %c3 to i32 ; <i32> [#uses=1]
250 ; CHECK: %c3 = and i32 %c1, 255
251 ; CHECK: %c4 = xor i32 %c3, 1
255 define i1 @test31(i64 %A) {
256 %B = trunc i64 %A to i32 ; <i32> [#uses=1]
257 %C = and i32 %B, 42 ; <i32> [#uses=1]
258 %D = icmp eq i32 %C, 10 ; <i1> [#uses=1]
260 ; CHECK: %C = and i64 %A, 42
261 ; CHECK: %D = icmp eq i64 %C, 10
265 define i32 @test33(i32 %c1) {
266 %x = bitcast i32 %c1 to float ; <float> [#uses=1]
267 %y = bitcast float %x to i32 ; <i32> [#uses=1]
272 define i16 @test34(i16 %a) {
273 %c1 = zext i16 %a to i32 ; <i32> [#uses=1]
274 %tmp21 = lshr i32 %c1, 8 ; <i32> [#uses=1]
275 %c2 = trunc i32 %tmp21 to i16 ; <i16> [#uses=1]
277 ; CHECK: %tmp21 = lshr i16 %a, 8
278 ; CHECK: ret i16 %tmp21
281 define i16 @test35(i16 %a) {
282 %c1 = bitcast i16 %a to i16 ; <i16> [#uses=1]
283 %tmp2 = lshr i16 %c1, 8 ; <i16> [#uses=1]
284 %c2 = bitcast i16 %tmp2 to i16 ; <i16> [#uses=1]
286 ; CHECK: %tmp2 = lshr i16 %a, 8
287 ; CHECK: ret i16 %tmp2
290 ; icmp sgt i32 %a, -1
292 define i1 @test36(i32 %a) {
294 %c = trunc i32 %b to i8
295 %d = icmp eq i8 %c, 0
297 ; CHECK: %d = icmp sgt i32 %a, -1
302 define i1 @test37(i32 %a) {
305 %d = trunc i32 %c to i8
306 %e = icmp eq i8 %d, 11
308 ; CHECK: ret i1 false
311 define i64 @test38(i32 %a) {
312 %1 = icmp eq i32 %a, -2
313 %2 = zext i1 %1 to i8
315 %4 = zext i8 %3 to i64
317 ; CHECK: %1 = icmp ne i32 %a, -2
318 ; CHECK: %2 = zext i1 %1 to i64
322 define i16 @test39(i16 %a) {
323 %tmp = zext i16 %a to i32
324 %tmp21 = lshr i32 %tmp, 8
325 %tmp5 = shl i32 %tmp, 8
326 %tmp.upgrd.32 = or i32 %tmp21, %tmp5
327 %tmp.upgrd.3 = trunc i32 %tmp.upgrd.32 to i16
329 ; CHECK-LABEL: @test39(
330 ; CHECK: %tmp.upgrd.32 = call i16 @llvm.bswap.i16(i16 %a)
331 ; CHECK: ret i16 %tmp.upgrd.32
334 define i16 @test40(i16 %a) {
335 %tmp = zext i16 %a to i32
336 %tmp21 = lshr i32 %tmp, 9
337 %tmp5 = shl i32 %tmp, 8
338 %tmp.upgrd.32 = or i32 %tmp21, %tmp5
339 %tmp.upgrd.3 = trunc i32 %tmp.upgrd.32 to i16
341 ; CHECK-LABEL: @test40(
342 ; CHECK: %tmp21 = lshr i16 %a, 9
343 ; CHECK: %tmp5 = shl i16 %a, 8
344 ; CHECK: %tmp.upgrd.32 = or i16 %tmp21, %tmp5
345 ; CHECK: ret i16 %tmp.upgrd.32
349 define i32* @test41(i32* %tmp1) {
350 %tmp64 = bitcast i32* %tmp1 to { i32 }*
351 %tmp65 = getelementptr { i32 }* %tmp64, i32 0, i32 0
353 ; CHECK-LABEL: @test41(
354 ; CHECK: ret i32* %tmp1
357 define i32 @test42(i32 %X) {
358 %Y = trunc i32 %X to i8 ; <i8> [#uses=1]
359 %Z = zext i8 %Y to i32 ; <i32> [#uses=1]
361 ; CHECK-LABEL: @test42(
362 ; CHECK: %Z = and i32 %X, 255
366 define zeroext i64 @test43(i8 zeroext %on_off) nounwind readonly {
367 %A = zext i8 %on_off to i32
369 %C = sext i32 %B to i64
370 ret i64 %C ;; Should be (add (zext i8 -> i64), -1)
371 ; CHECK-LABEL: @test43(
372 ; CHECK-NEXT: %A = zext i8 %on_off to i64
373 ; CHECK-NEXT: %B = add nsw i64 %A, -1
374 ; CHECK-NEXT: ret i64 %B
377 define i64 @test44(i8 %T) {
378 %A = zext i8 %T to i16
380 %C = zext i16 %B to i64
382 ; CHECK-LABEL: @test44(
383 ; CHECK-NEXT: %A = zext i8 %T to i64
384 ; CHECK-NEXT: %B = or i64 %A, 1234
385 ; CHECK-NEXT: ret i64 %B
388 define i64 @test45(i8 %A, i64 %Q) {
389 %D = trunc i64 %Q to i32 ;; should be removed
390 %B = sext i8 %A to i32
392 %E = zext i32 %C to i64
394 ; CHECK-LABEL: @test45(
395 ; CHECK-NEXT: %B = sext i8 %A to i64
396 ; CHECK-NEXT: %C = or i64 %B, %Q
397 ; CHECK-NEXT: %E = and i64 %C, 4294967295
398 ; CHECK-NEXT: ret i64 %E
402 define i64 @test46(i64 %A) {
403 %B = trunc i64 %A to i32
406 %E = zext i32 %D to i64
408 ; CHECK-LABEL: @test46(
409 ; CHECK-NEXT: %C = shl i64 %A, 8
410 ; CHECK-NEXT: %D = and i64 %C, 10752
411 ; CHECK-NEXT: ret i64 %D
414 define i64 @test47(i8 %A) {
415 %B = sext i8 %A to i32
417 %E = zext i32 %C to i64
419 ; CHECK-LABEL: @test47(
420 ; CHECK-NEXT: %B = sext i8 %A to i64
421 ; CHECK-NEXT: %C = and i64 %B, 4294967253
422 ; CHECK-NEXT: %E = or i64 %C, 42
423 ; CHECK-NEXT: ret i64 %E
426 define i64 @test48(i8 %A, i8 %a) {
427 %b = zext i8 %a to i32
428 %B = zext i8 %A to i32
431 %E = zext i32 %D to i64
433 ; CHECK-LABEL: @test48(
434 ; CHECK-NEXT: %b = zext i8 %a to i64
435 ; CHECK-NEXT: %B = zext i8 %A to i64
436 ; CHECK-NEXT: %C = shl nuw nsw i64 %B, 8
437 ; CHECK-NEXT: %D = or i64 %C, %b
438 ; CHECK-NEXT: ret i64 %D
441 define i64 @test49(i64 %A) {
442 %B = trunc i64 %A to i32
444 %D = sext i32 %C to i64
446 ; CHECK-LABEL: @test49(
447 ; CHECK-NEXT: %C = shl i64 %A, 32
448 ; CHECK-NEXT: ashr exact i64 %C, 32
449 ; CHECK-NEXT: %D = or i64 {{.*}}, 1
450 ; CHECK-NEXT: ret i64 %D
453 define i64 @test50(i64 %A) {
455 %B = trunc i64 %a to i32
457 %E = sext i32 %D to i64
459 ; CHECK-LABEL: @test50(
460 ; lshr+shl will be handled by DAGCombine.
461 ; CHECK-NEXT: lshr i64 %A, 2
462 ; CHECK-NEXT: shl i64 %a, 32
463 ; CHECK-NEXT: add i64 {{.*}}, -4294967296
464 ; CHECK-NEXT: %E = ashr exact i64 {{.*}}, 32
465 ; CHECK-NEXT: ret i64 %E
468 define i64 @test51(i64 %A, i1 %cond) {
469 %B = trunc i64 %A to i32
472 %E = select i1 %cond, i32 %C, i32 %D
473 %F = sext i32 %E to i64
475 ; CHECK-LABEL: @test51(
476 ; CHECK-NEXT: %C = and i64 %A, 4294967294
477 ; CHECK-NEXT: %D = or i64 %A, 1
478 ; CHECK-NEXT: %E = select i1 %cond, i64 %C, i64 %D
479 ; CHECK-NEXT: %sext = shl i64 %E, 32
480 ; CHECK-NEXT: %F = ashr exact i64 %sext, 32
481 ; CHECK-NEXT: ret i64 %F
484 define i32 @test52(i64 %A) {
485 %B = trunc i64 %A to i16
486 %C = or i16 %B, -32574
487 %D = and i16 %C, -25350
488 %E = zext i16 %D to i32
490 ; CHECK-LABEL: @test52(
491 ; CHECK-NEXT: %B = trunc i64 %A to i32
492 ; CHECK-NEXT: %C = and i32 %B, 7224
493 ; CHECK-NEXT: %D = or i32 %C, 32962
494 ; CHECK-NEXT: ret i32 %D
497 define i64 @test53(i32 %A) {
498 %B = trunc i32 %A to i16
499 %C = or i16 %B, -32574
500 %D = and i16 %C, -25350
501 %E = zext i16 %D to i64
503 ; CHECK-LABEL: @test53(
504 ; CHECK-NEXT: %B = zext i32 %A to i64
505 ; CHECK-NEXT: %C = and i64 %B, 7224
506 ; CHECK-NEXT: %D = or i64 %C, 32962
507 ; CHECK-NEXT: ret i64 %D
510 define i32 @test54(i64 %A) {
511 %B = trunc i64 %A to i16
512 %C = or i16 %B, -32574
513 %D = and i16 %C, -25350
514 %E = sext i16 %D to i32
516 ; CHECK-LABEL: @test54(
517 ; CHECK-NEXT: %B = trunc i64 %A to i32
518 ; CHECK-NEXT: %C = and i32 %B, 7224
519 ; CHECK-NEXT: %D = or i32 %C, -32574
520 ; CHECK-NEXT: ret i32 %D
523 define i64 @test55(i32 %A) {
524 %B = trunc i32 %A to i16
525 %C = or i16 %B, -32574
526 %D = and i16 %C, -25350
527 %E = sext i16 %D to i64
529 ; CHECK-LABEL: @test55(
530 ; CHECK-NEXT: %B = zext i32 %A to i64
531 ; CHECK-NEXT: %C = and i64 %B, 7224
532 ; CHECK-NEXT: %D = or i64 %C, -32574
533 ; CHECK-NEXT: ret i64 %D
536 define i64 @test56(i16 %A) nounwind {
537 %tmp353 = sext i16 %A to i32
538 %tmp354 = lshr i32 %tmp353, 5
539 %tmp355 = zext i32 %tmp354 to i64
541 ; CHECK-LABEL: @test56(
542 ; CHECK-NEXT: %tmp353 = sext i16 %A to i64
543 ; CHECK-NEXT: %tmp354 = lshr i64 %tmp353, 5
544 ; CHECK-NEXT: %tmp355 = and i64 %tmp354, 134217727
545 ; CHECK-NEXT: ret i64 %tmp355
548 define i64 @test57(i64 %A) nounwind {
549 %B = trunc i64 %A to i32
551 %E = zext i32 %C to i64
553 ; CHECK-LABEL: @test57(
554 ; CHECK-NEXT: %C = lshr i64 %A, 8
555 ; CHECK-NEXT: %E = and i64 %C, 16777215
556 ; CHECK-NEXT: ret i64 %E
559 define i64 @test58(i64 %A) nounwind {
560 %B = trunc i64 %A to i32
563 %E = zext i32 %D to i64
566 ; CHECK-LABEL: @test58(
567 ; CHECK-NEXT: %C = lshr i64 %A, 8
568 ; CHECK-NEXT: %D = and i64 %C, 16777087
569 ; CHECK-NEXT: %E = or i64 %D, 128
570 ; CHECK-NEXT: ret i64 %E
573 define i64 @test59(i8 %A, i8 %B) nounwind {
574 %C = zext i8 %A to i32
577 %F = zext i8 %B to i32
580 %I = zext i32 %H to i64
582 ; CHECK-LABEL: @test59(
583 ; CHECK-NEXT: %C = zext i8 %A to i64
585 ; CHECK: %F = zext i8 %B to i64
590 define <3 x i32> @test60(<4 x i32> %call4) nounwind {
591 %tmp11 = bitcast <4 x i32> %call4 to i128
592 %tmp9 = trunc i128 %tmp11 to i96
593 %tmp10 = bitcast i96 %tmp9 to <3 x i32>
596 ; CHECK-LABEL: @test60(
597 ; CHECK-NEXT: shufflevector
601 define <4 x i32> @test61(<3 x i32> %call4) nounwind {
602 %tmp11 = bitcast <3 x i32> %call4 to i96
603 %tmp9 = zext i96 %tmp11 to i128
604 %tmp10 = bitcast i128 %tmp9 to <4 x i32>
606 ; CHECK-LABEL: @test61(
607 ; CHECK-NEXT: shufflevector
611 define <4 x i32> @test62(<3 x float> %call4) nounwind {
612 %tmp11 = bitcast <3 x float> %call4 to i96
613 %tmp9 = zext i96 %tmp11 to i128
614 %tmp10 = bitcast i128 %tmp9 to <4 x i32>
616 ; CHECK-LABEL: @test62(
617 ; CHECK-NEXT: bitcast
618 ; CHECK-NEXT: shufflevector
622 ; PR7311 - Don't create invalid IR on scalar->vector cast.
623 define <2 x float> @test63(i64 %tmp8) nounwind {
625 %a = bitcast i64 %tmp8 to <2 x i32>
626 %vcvt.i = uitofp <2 x i32> %a to <2 x float>
627 ret <2 x float> %vcvt.i
628 ; CHECK-LABEL: @test63(
633 define <4 x float> @test64(<4 x float> %c) nounwind {
634 %t0 = bitcast <4 x float> %c to <4 x i32>
635 %t1 = bitcast <4 x i32> %t0 to <4 x float>
637 ; CHECK-LABEL: @test64(
638 ; CHECK-NEXT: ret <4 x float> %c
641 define <4 x float> @test65(<4 x float> %c) nounwind {
642 %t0 = bitcast <4 x float> %c to <2 x double>
643 %t1 = bitcast <2 x double> %t0 to <4 x float>
645 ; CHECK-LABEL: @test65(
646 ; CHECK-NEXT: ret <4 x float> %c
649 define <2 x float> @test66(<2 x float> %c) nounwind {
650 %t0 = bitcast <2 x float> %c to double
651 %t1 = bitcast double %t0 to <2 x float>
653 ; CHECK-LABEL: @test66(
654 ; CHECK-NEXT: ret <2 x float> %c
657 define float @test2c() {
658 ret float extractelement (<2 x float> bitcast (double bitcast (<2 x float> <float -1.000000e+00, float -1.000000e+00> to double) to <2 x float>), i32 0)
659 ; CHECK-LABEL: @test2c(
660 ; CHECK-NOT: extractelement
663 define i64 @test_mmx(<2 x i32> %c) nounwind {
664 %A = bitcast <2 x i32> %c to x86_mmx
665 %B = bitcast x86_mmx %A to <2 x i32>
666 %C = bitcast <2 x i32> %B to i64
668 ; CHECK-LABEL: @test_mmx(
672 define i64 @test_mmx_const(<2 x i32> %c) nounwind {
673 %A = bitcast <2 x i32> zeroinitializer to x86_mmx
674 %B = bitcast x86_mmx %A to <2 x i32>
675 %C = bitcast <2 x i32> %B to i64
677 ; CHECK-LABEL: @test_mmx_const(
682 define i1 @test67(i1 %a, i32 %b) {
683 %tmp2 = zext i1 %a to i32
684 %conv6 = xor i32 %tmp2, 1
685 %and = and i32 %b, %conv6
686 %sext = shl nuw nsw i32 %and, 24
687 %neg.i = xor i32 %sext, -16777216
688 %conv.i.i = ashr exact i32 %neg.i, 24
689 %trunc = trunc i32 %conv.i.i to i8
690 %tobool.i = icmp eq i8 %trunc, 0
692 ; CHECK-LABEL: @test67(
693 ; CHECK: ret i1 false
696 %s = type { i32, i32, i32 }
698 define %s @test68(%s *%p, i64 %i) {
699 ; CHECK-LABEL: @test68(
701 %q = bitcast %s* %p to i8*
702 %pp = getelementptr inbounds i8* %q, i64 %o
703 ; CHECK-NEXT: getelementptr %s*
704 %r = bitcast i8* %pp to %s*
706 ; CHECK-NEXT: load %s*
711 ; addrspacecasts should be eliminated.
712 define %s @test68_addrspacecast(%s* %p, i64 %i) {
713 ; CHECK-LABEL: @test68_addrspacecast(
714 ; CHECK-NEXT: getelementptr %s*
715 ; CHECK-NEXT: load %s*
718 %q = addrspacecast %s* %p to i8 addrspace(2)*
719 %pp = getelementptr inbounds i8 addrspace(2)* %q, i64 %o
720 %r = addrspacecast i8 addrspace(2)* %pp to %s*
725 define %s @test68_addrspacecast_2(%s* %p, i64 %i) {
726 ; CHECK-LABEL: @test68_addrspacecast_2(
727 ; CHECK-NEXT: getelementptr %s* %p
728 ; CHECK-NEXT: addrspacecast
729 ; CHECK-NEXT: load %s addrspace(1)*
732 %q = addrspacecast %s* %p to i8 addrspace(2)*
733 %pp = getelementptr inbounds i8 addrspace(2)* %q, i64 %o
734 %r = addrspacecast i8 addrspace(2)* %pp to %s addrspace(1)*
735 %l = load %s addrspace(1)* %r
739 define %s @test68_as1(%s addrspace(1)* %p, i32 %i) {
740 ; CHECK-LABEL: @test68_as1(
742 %q = bitcast %s addrspace(1)* %p to i8 addrspace(1)*
743 %pp = getelementptr inbounds i8 addrspace(1)* %q, i32 %o
744 ; CHECK-NEXT: getelementptr %s addrspace(1)*
745 %r = bitcast i8 addrspace(1)* %pp to %s addrspace(1)*
746 %l = load %s addrspace(1)* %r
747 ; CHECK-NEXT: load %s addrspace(1)*
752 define double @test69(double *%p, i64 %i) {
753 ; CHECK-LABEL: @test69(
754 %o = shl nsw i64 %i, 3
755 %q = bitcast double* %p to i8*
756 %pp = getelementptr inbounds i8* %q, i64 %o
757 ; CHECK-NEXT: getelementptr inbounds double*
758 %r = bitcast i8* %pp to double*
760 ; CHECK-NEXT: load double*
762 ; CHECK-NEXT: ret double
765 define %s @test70(%s *%p, i64 %i) {
766 ; CHECK-LABEL: @test70(
767 %o = mul nsw i64 %i, 36
768 ; CHECK-NEXT: mul nsw i64 %i, 3
769 %q = bitcast %s* %p to i8*
770 %pp = getelementptr inbounds i8* %q, i64 %o
771 ; CHECK-NEXT: getelementptr inbounds %s*
772 %r = bitcast i8* %pp to %s*
774 ; CHECK-NEXT: load %s*
779 define double @test71(double *%p, i64 %i) {
780 ; CHECK-LABEL: @test71(
782 ; CHECK-NEXT: shl i64 %i, 2
783 %q = bitcast double* %p to i8*
784 %pp = getelementptr i8* %q, i64 %o
785 ; CHECK-NEXT: getelementptr double*
786 %r = bitcast i8* %pp to double*
788 ; CHECK-NEXT: load double*
790 ; CHECK-NEXT: ret double
793 define double @test72(double *%p, i32 %i) {
794 ; CHECK-LABEL: @test72(
795 %so = mul nsw i32 %i, 8
796 %o = sext i32 %so to i64
797 ; CHECK-NEXT: sext i32 %i to i64
798 %q = bitcast double* %p to i8*
799 %pp = getelementptr inbounds i8* %q, i64 %o
800 ; CHECK-NEXT: getelementptr inbounds double*
801 %r = bitcast i8* %pp to double*
803 ; CHECK-NEXT: load double*
805 ; CHECK-NEXT: ret double
808 define double @test73(double *%p, i128 %i) {
809 ; CHECK-LABEL: @test73(
810 %lo = mul nsw i128 %i, 8
811 %o = trunc i128 %lo to i64
812 ; CHECK-NEXT: trunc i128 %i to i64
813 %q = bitcast double* %p to i8*
814 %pp = getelementptr inbounds i8* %q, i64 %o
815 ; CHECK-NEXT: getelementptr double*
816 %r = bitcast i8* %pp to double*
818 ; CHECK-NEXT: load double*
820 ; CHECK-NEXT: ret double
823 define double @test74(double *%p, i64 %i) {
824 ; CHECK-LABEL: @test74(
825 %q = bitcast double* %p to i64*
826 %pp = getelementptr inbounds i64* %q, i64 %i
827 ; CHECK-NEXT: getelementptr inbounds double*
828 %r = bitcast i64* %pp to double*
830 ; CHECK-NEXT: load double*
832 ; CHECK-NEXT: ret double
835 define i32* @test75(i32* %p, i32 %x) {
836 ; CHECK-LABEL: @test75(
838 ; CHECK-NEXT: shl i32 %x, 3
839 %z = sext i32 %y to i64
840 ; CHECK-NEXT: sext i32 %y to i64
841 %q = bitcast i32* %p to i8*
842 %r = getelementptr i8* %q, i64 %z
843 %s = bitcast i8* %r to i32*
847 define %s @test76(%s *%p, i64 %i, i64 %j) {
848 ; CHECK-LABEL: @test76(
850 %o2 = mul nsw i64 %o, %j
851 ; CHECK-NEXT: %o2 = mul i64 %i, %j
852 %q = bitcast %s* %p to i8*
853 %pp = getelementptr inbounds i8* %q, i64 %o2
854 ; CHECK-NEXT: getelementptr %s* %p, i64 %o2
855 %r = bitcast i8* %pp to %s*
857 ; CHECK-NEXT: load %s*
862 define %s @test77(%s *%p, i64 %i, i64 %j) {
863 ; CHECK-LABEL: @test77(
864 %o = mul nsw i64 %i, 36
865 %o2 = mul nsw i64 %o, %j
866 ; CHECK-NEXT: %o = mul nsw i64 %i, 3
867 ; CHECK-NEXT: %o2 = mul nsw i64 %o, %j
868 %q = bitcast %s* %p to i8*
869 %pp = getelementptr inbounds i8* %q, i64 %o2
870 ; CHECK-NEXT: getelementptr inbounds %s* %p, i64 %o2
871 %r = bitcast i8* %pp to %s*
873 ; CHECK-NEXT: load %s*
878 define %s @test78(%s *%p, i64 %i, i64 %j, i32 %k, i32 %l, i128 %m, i128 %n) {
879 ; CHECK-LABEL: @test78(
880 %a = mul nsw i32 %k, 36
881 ; CHECK-NEXT: mul nsw i32 %k, 3
882 %b = mul nsw i32 %a, %l
883 ; CHECK-NEXT: mul nsw i32 %a, %l
884 %c = sext i32 %b to i128
885 ; CHECK-NEXT: sext i32 %b to i128
886 %d = mul nsw i128 %c, %m
887 ; CHECK-NEXT: mul nsw i128 %c, %m
889 ; CHECK-NEXT: mul i128 %d, %n
890 %f = trunc i128 %e to i64
891 ; CHECK-NEXT: trunc i128 %e to i64
892 %g = mul nsw i64 %f, %i
893 ; CHECK-NEXT: mul i64 %f, %i
894 %h = mul nsw i64 %g, %j
895 ; CHECK-NEXT: mul i64 %g, %j
896 %q = bitcast %s* %p to i8*
897 %pp = getelementptr inbounds i8* %q, i64 %h
898 ; CHECK-NEXT: getelementptr %s* %p, i64 %h
899 %r = bitcast i8* %pp to %s*
901 ; CHECK-NEXT: load %s*
906 define %s @test79(%s *%p, i64 %i, i32 %j) {
907 ; CHECK-LABEL: @test79(
908 %a = mul nsw i64 %i, 36
909 ; CHECK: mul nsw i64 %i, 36
910 %b = trunc i64 %a to i32
912 %q = bitcast %s* %p to i8*
914 %pp = getelementptr inbounds i8* %q, i32 %c
915 %r = bitcast i8* %pp to %s*
920 define double @test80([100 x double]* %p, i32 %i) {
921 ; CHECK-LABEL: @test80(
922 %tmp = mul nsw i32 %i, 8
923 ; CHECK-NEXT: sext i32 %i to i64
924 %q = bitcast [100 x double]* %p to i8*
925 %pp = getelementptr i8* %q, i32 %tmp
926 ; CHECK-NEXT: getelementptr [100 x double]*
927 %r = bitcast i8* %pp to double*
929 ; CHECK-NEXT: load double*
931 ; CHECK-NEXT: ret double
934 define double @test80_addrspacecast([100 x double] addrspace(1)* %p, i32 %i) {
935 ; CHECK-LABEL: @test80_addrspacecast(
936 ; CHECK-NEXT: getelementptr [100 x double] addrspace(1)* %p
937 ; CHECK-NEXT: load double addrspace(1)*
938 ; CHECK-NEXT: ret double
939 %tmp = mul nsw i32 %i, 8
940 %q = addrspacecast [100 x double] addrspace(1)* %p to i8 addrspace(2)*
941 %pp = getelementptr i8 addrspace(2)* %q, i32 %tmp
942 %r = addrspacecast i8 addrspace(2)* %pp to double addrspace(1)*
943 %l = load double addrspace(1)* %r
947 define double @test80_addrspacecast_2([100 x double] addrspace(1)* %p, i32 %i) {
948 ; CHECK-LABEL: @test80_addrspacecast_2(
949 ; CHECK-NEXT: getelementptr [100 x double] addrspace(1)*
950 ; CHECK-NEXT: addrspacecast double addrspace(1)*
951 ; CHECK-NEXT: load double addrspace(3)*
952 ; CHECK-NEXT: ret double
953 %tmp = mul nsw i32 %i, 8
954 %q = addrspacecast [100 x double] addrspace(1)* %p to i8 addrspace(2)*
955 %pp = getelementptr i8 addrspace(2)* %q, i32 %tmp
956 %r = addrspacecast i8 addrspace(2)* %pp to double addrspace(3)*
957 %l = load double addrspace(3)* %r
961 define double @test80_as1([100 x double] addrspace(1)* %p, i16 %i) {
962 ; CHECK-LABEL: @test80_as1(
963 %tmp = mul nsw i16 %i, 8
964 ; CHECK-NEXT: sext i16 %i to i32
965 %q = bitcast [100 x double] addrspace(1)* %p to i8 addrspace(1)*
966 %pp = getelementptr i8 addrspace(1)* %q, i16 %tmp
967 ; CHECK-NEXT: getelementptr [100 x double] addrspace(1)*
968 %r = bitcast i8 addrspace(1)* %pp to double addrspace(1)*
969 %l = load double addrspace(1)* %r
970 ; CHECK-NEXT: load double addrspace(1)*
972 ; CHECK-NEXT: ret double
975 define double @test81(double *%p, float %f) {
976 %i = fptosi float %f to i64
977 %q = bitcast double* %p to i8*
978 %pp = getelementptr i8* %q, i64 %i
979 %r = bitcast i8* %pp to double*
984 define i64 @test82(i64 %A) nounwind {
985 %B = trunc i64 %A to i32
988 %E = zext i32 %D to i64
991 ; CHECK-LABEL: @test82(
992 ; CHECK-NEXT: [[REG:%[0-9]*]] = shl i64 %A, 1
993 ; CHECK-NEXT: %E = and i64 [[REG]], 4294966784
994 ; CHECK-NEXT: ret i64 %E
998 define i64 @test83(i16 %a, i64 %k) {
999 %conv = sext i16 %a to i32
1000 %sub = add nsw i64 %k, -1
1001 %sh_prom = trunc i64 %sub to i32
1002 %shl = shl i32 %conv, %sh_prom
1003 %sh_prom1 = zext i32 %shl to i64
1006 ; CHECK-LABEL: @test83(
1007 ; CHECK: %sub = add nsw i64 %k, 4294967295
1008 ; CHECK: %sh_prom = trunc i64 %sub to i32
1009 ; CHECK: %shl = shl i32 %conv, %sh_prom