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 addrspace(1)* @test41_addrspacecast_smaller(i32* %tmp1) {
358 %tmp64 = addrspacecast i32* %tmp1 to { i32 } addrspace(1)*
359 %tmp65 = getelementptr { i32 } addrspace(1)* %tmp64, i32 0, i32 0
360 ret i32 addrspace(1)* %tmp65
361 ; CHECK-LABEL: @test41_addrspacecast_smaller(
362 ; CHECK: addrspacecast i32* %tmp1 to i32 addrspace(1)*
363 ; CHECK-NEXT: ret i32 addrspace(1)*
366 define i32* @test41_addrspacecast_larger(i32 addrspace(1)* %tmp1) {
367 %tmp64 = addrspacecast i32 addrspace(1)* %tmp1 to { i32 }*
368 %tmp65 = getelementptr { i32 }* %tmp64, i32 0, i32 0
370 ; CHECK-LABEL: @test41_addrspacecast_larger(
371 ; CHECK: addrspacecast i32 addrspace(1)* %tmp1 to i32*
372 ; CHECK-NEXT: ret i32*
375 define i32 @test42(i32 %X) {
376 %Y = trunc i32 %X to i8 ; <i8> [#uses=1]
377 %Z = zext i8 %Y to i32 ; <i32> [#uses=1]
379 ; CHECK-LABEL: @test42(
380 ; CHECK: %Z = and i32 %X, 255
384 define zeroext i64 @test43(i8 zeroext %on_off) nounwind readonly {
385 %A = zext i8 %on_off to i32
387 %C = sext i32 %B to i64
388 ret i64 %C ;; Should be (add (zext i8 -> i64), -1)
389 ; CHECK-LABEL: @test43(
390 ; CHECK-NEXT: %A = zext i8 %on_off to i64
391 ; CHECK-NEXT: %B = add nsw i64 %A, -1
392 ; CHECK-NEXT: ret i64 %B
395 define i64 @test44(i8 %T) {
396 %A = zext i8 %T to i16
398 %C = zext i16 %B to i64
400 ; CHECK-LABEL: @test44(
401 ; CHECK-NEXT: %A = zext i8 %T to i64
402 ; CHECK-NEXT: %B = or i64 %A, 1234
403 ; CHECK-NEXT: ret i64 %B
406 define i64 @test45(i8 %A, i64 %Q) {
407 %D = trunc i64 %Q to i32 ;; should be removed
408 %B = sext i8 %A to i32
410 %E = zext i32 %C to i64
412 ; CHECK-LABEL: @test45(
413 ; CHECK-NEXT: %B = sext i8 %A to i64
414 ; CHECK-NEXT: %C = or i64 %B, %Q
415 ; CHECK-NEXT: %E = and i64 %C, 4294967295
416 ; CHECK-NEXT: ret i64 %E
420 define i64 @test46(i64 %A) {
421 %B = trunc i64 %A to i32
424 %E = zext i32 %D to i64
426 ; CHECK-LABEL: @test46(
427 ; CHECK-NEXT: %C = shl i64 %A, 8
428 ; CHECK-NEXT: %D = and i64 %C, 10752
429 ; CHECK-NEXT: ret i64 %D
432 define i64 @test47(i8 %A) {
433 %B = sext i8 %A to i32
435 %E = zext i32 %C to i64
437 ; CHECK-LABEL: @test47(
438 ; CHECK-NEXT: %B = sext i8 %A to i64
439 ; CHECK-NEXT: %C = and i64 %B, 4294967253
440 ; CHECK-NEXT: %E = or i64 %C, 42
441 ; CHECK-NEXT: ret i64 %E
444 define i64 @test48(i8 %A, i8 %a) {
445 %b = zext i8 %a to i32
446 %B = zext i8 %A to i32
449 %E = zext i32 %D to i64
451 ; CHECK-LABEL: @test48(
452 ; CHECK-NEXT: %b = zext i8 %a to i64
453 ; CHECK-NEXT: %B = zext i8 %A to i64
454 ; CHECK-NEXT: %C = shl nuw nsw i64 %B, 8
455 ; CHECK-NEXT: %D = or i64 %C, %b
456 ; CHECK-NEXT: ret i64 %D
459 define i64 @test49(i64 %A) {
460 %B = trunc i64 %A to i32
462 %D = sext i32 %C to i64
464 ; CHECK-LABEL: @test49(
465 ; CHECK-NEXT: %C = shl i64 %A, 32
466 ; CHECK-NEXT: ashr exact i64 %C, 32
467 ; CHECK-NEXT: %D = or i64 {{.*}}, 1
468 ; CHECK-NEXT: ret i64 %D
471 define i64 @test50(i64 %A) {
473 %B = trunc i64 %a to i32
475 %E = sext i32 %D to i64
477 ; CHECK-LABEL: @test50(
478 ; lshr+shl will be handled by DAGCombine.
479 ; CHECK-NEXT: lshr i64 %A, 2
480 ; CHECK-NEXT: shl i64 %a, 32
481 ; CHECK-NEXT: add i64 {{.*}}, -4294967296
482 ; CHECK-NEXT: %E = ashr exact i64 {{.*}}, 32
483 ; CHECK-NEXT: ret i64 %E
486 define i64 @test51(i64 %A, i1 %cond) {
487 %B = trunc i64 %A to i32
490 %E = select i1 %cond, i32 %C, i32 %D
491 %F = sext i32 %E to i64
493 ; CHECK-LABEL: @test51(
494 ; CHECK-NEXT: %C = and i64 %A, 4294967294
495 ; CHECK-NEXT: %D = or i64 %A, 1
496 ; CHECK-NEXT: %E = select i1 %cond, i64 %C, i64 %D
497 ; CHECK-NEXT: %sext = shl i64 %E, 32
498 ; CHECK-NEXT: %F = ashr exact i64 %sext, 32
499 ; CHECK-NEXT: ret i64 %F
502 define i32 @test52(i64 %A) {
503 %B = trunc i64 %A to i16
504 %C = or i16 %B, -32574
505 %D = and i16 %C, -25350
506 %E = zext i16 %D to i32
508 ; CHECK-LABEL: @test52(
509 ; CHECK-NEXT: %B = trunc i64 %A to i32
510 ; CHECK-NEXT: %C = and i32 %B, 7224
511 ; CHECK-NEXT: %D = or i32 %C, 32962
512 ; CHECK-NEXT: ret i32 %D
515 define i64 @test53(i32 %A) {
516 %B = trunc i32 %A to i16
517 %C = or i16 %B, -32574
518 %D = and i16 %C, -25350
519 %E = zext i16 %D to i64
521 ; CHECK-LABEL: @test53(
522 ; CHECK-NEXT: %B = zext i32 %A to i64
523 ; CHECK-NEXT: %C = and i64 %B, 7224
524 ; CHECK-NEXT: %D = or i64 %C, 32962
525 ; CHECK-NEXT: ret i64 %D
528 define i32 @test54(i64 %A) {
529 %B = trunc i64 %A to i16
530 %C = or i16 %B, -32574
531 %D = and i16 %C, -25350
532 %E = sext i16 %D to i32
534 ; CHECK-LABEL: @test54(
535 ; CHECK-NEXT: %B = trunc i64 %A to i32
536 ; CHECK-NEXT: %C = and i32 %B, 7224
537 ; CHECK-NEXT: %D = or i32 %C, -32574
538 ; CHECK-NEXT: ret i32 %D
541 define i64 @test55(i32 %A) {
542 %B = trunc i32 %A to i16
543 %C = or i16 %B, -32574
544 %D = and i16 %C, -25350
545 %E = sext i16 %D to i64
547 ; CHECK-LABEL: @test55(
548 ; CHECK-NEXT: %B = zext i32 %A to i64
549 ; CHECK-NEXT: %C = and i64 %B, 7224
550 ; CHECK-NEXT: %D = or i64 %C, -32574
551 ; CHECK-NEXT: ret i64 %D
554 define i64 @test56(i16 %A) nounwind {
555 %tmp353 = sext i16 %A to i32
556 %tmp354 = lshr i32 %tmp353, 5
557 %tmp355 = zext i32 %tmp354 to i64
559 ; CHECK-LABEL: @test56(
560 ; CHECK-NEXT: %tmp353 = sext i16 %A to i64
561 ; CHECK-NEXT: %tmp354 = lshr i64 %tmp353, 5
562 ; CHECK-NEXT: %tmp355 = and i64 %tmp354, 134217727
563 ; CHECK-NEXT: ret i64 %tmp355
566 define i64 @test57(i64 %A) nounwind {
567 %B = trunc i64 %A to i32
569 %E = zext i32 %C to i64
571 ; CHECK-LABEL: @test57(
572 ; CHECK-NEXT: %C = lshr i64 %A, 8
573 ; CHECK-NEXT: %E = and i64 %C, 16777215
574 ; CHECK-NEXT: ret i64 %E
577 define i64 @test58(i64 %A) nounwind {
578 %B = trunc i64 %A to i32
581 %E = zext i32 %D to i64
584 ; CHECK-LABEL: @test58(
585 ; CHECK-NEXT: %C = lshr i64 %A, 8
586 ; CHECK-NEXT: %D = and i64 %C, 16777087
587 ; CHECK-NEXT: %E = or i64 %D, 128
588 ; CHECK-NEXT: ret i64 %E
591 define i64 @test59(i8 %A, i8 %B) nounwind {
592 %C = zext i8 %A to i32
595 %F = zext i8 %B to i32
598 %I = zext i32 %H to i64
600 ; CHECK-LABEL: @test59(
601 ; CHECK-NEXT: %C = zext i8 %A to i64
603 ; CHECK: %F = zext i8 %B to i64
608 define <3 x i32> @test60(<4 x i32> %call4) nounwind {
609 %tmp11 = bitcast <4 x i32> %call4 to i128
610 %tmp9 = trunc i128 %tmp11 to i96
611 %tmp10 = bitcast i96 %tmp9 to <3 x i32>
614 ; CHECK-LABEL: @test60(
615 ; CHECK-NEXT: shufflevector
619 define <4 x i32> @test61(<3 x i32> %call4) nounwind {
620 %tmp11 = bitcast <3 x i32> %call4 to i96
621 %tmp9 = zext i96 %tmp11 to i128
622 %tmp10 = bitcast i128 %tmp9 to <4 x i32>
624 ; CHECK-LABEL: @test61(
625 ; CHECK-NEXT: shufflevector
629 define <4 x i32> @test62(<3 x float> %call4) nounwind {
630 %tmp11 = bitcast <3 x float> %call4 to i96
631 %tmp9 = zext i96 %tmp11 to i128
632 %tmp10 = bitcast i128 %tmp9 to <4 x i32>
634 ; CHECK-LABEL: @test62(
635 ; CHECK-NEXT: bitcast
636 ; CHECK-NEXT: shufflevector
640 ; PR7311 - Don't create invalid IR on scalar->vector cast.
641 define <2 x float> @test63(i64 %tmp8) nounwind {
643 %a = bitcast i64 %tmp8 to <2 x i32>
644 %vcvt.i = uitofp <2 x i32> %a to <2 x float>
645 ret <2 x float> %vcvt.i
646 ; CHECK-LABEL: @test63(
651 define <4 x float> @test64(<4 x float> %c) nounwind {
652 %t0 = bitcast <4 x float> %c to <4 x i32>
653 %t1 = bitcast <4 x i32> %t0 to <4 x float>
655 ; CHECK-LABEL: @test64(
656 ; CHECK-NEXT: ret <4 x float> %c
659 define <4 x float> @test65(<4 x float> %c) nounwind {
660 %t0 = bitcast <4 x float> %c to <2 x double>
661 %t1 = bitcast <2 x double> %t0 to <4 x float>
663 ; CHECK-LABEL: @test65(
664 ; CHECK-NEXT: ret <4 x float> %c
667 define <2 x float> @test66(<2 x float> %c) nounwind {
668 %t0 = bitcast <2 x float> %c to double
669 %t1 = bitcast double %t0 to <2 x float>
671 ; CHECK-LABEL: @test66(
672 ; CHECK-NEXT: ret <2 x float> %c
675 define float @test2c() {
676 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)
677 ; CHECK-LABEL: @test2c(
678 ; CHECK-NOT: extractelement
681 define i64 @test_mmx(<2 x i32> %c) nounwind {
682 %A = bitcast <2 x i32> %c to x86_mmx
683 %B = bitcast x86_mmx %A to <2 x i32>
684 %C = bitcast <2 x i32> %B to i64
686 ; CHECK-LABEL: @test_mmx(
690 define i64 @test_mmx_const(<2 x i32> %c) nounwind {
691 %A = bitcast <2 x i32> zeroinitializer to x86_mmx
692 %B = bitcast x86_mmx %A to <2 x i32>
693 %C = bitcast <2 x i32> %B to i64
695 ; CHECK-LABEL: @test_mmx_const(
700 define i1 @test67(i1 %a, i32 %b) {
701 %tmp2 = zext i1 %a to i32
702 %conv6 = xor i32 %tmp2, 1
703 %and = and i32 %b, %conv6
704 %sext = shl nuw nsw i32 %and, 24
705 %neg.i = xor i32 %sext, -16777216
706 %conv.i.i = ashr exact i32 %neg.i, 24
707 %trunc = trunc i32 %conv.i.i to i8
708 %tobool.i = icmp eq i8 %trunc, 0
710 ; CHECK-LABEL: @test67(
711 ; CHECK: ret i1 false
714 %s = type { i32, i32, i32 }
716 define %s @test68(%s *%p, i64 %i) {
717 ; CHECK-LABEL: @test68(
719 %q = bitcast %s* %p to i8*
720 %pp = getelementptr inbounds i8* %q, i64 %o
721 ; CHECK-NEXT: getelementptr %s*
722 %r = bitcast i8* %pp to %s*
724 ; CHECK-NEXT: load %s*
729 ; addrspacecasts should be eliminated.
730 define %s @test68_addrspacecast(%s* %p, i64 %i) {
731 ; CHECK-LABEL: @test68_addrspacecast(
732 ; CHECK-NEXT: getelementptr %s*
733 ; CHECK-NEXT: load %s*
736 %q = addrspacecast %s* %p to i8 addrspace(2)*
737 %pp = getelementptr inbounds i8 addrspace(2)* %q, i64 %o
738 %r = addrspacecast i8 addrspace(2)* %pp to %s*
743 define %s @test68_addrspacecast_2(%s* %p, i64 %i) {
744 ; CHECK-LABEL: @test68_addrspacecast_2(
745 ; CHECK-NEXT: getelementptr %s* %p
746 ; CHECK-NEXT: addrspacecast
747 ; CHECK-NEXT: load %s addrspace(1)*
750 %q = addrspacecast %s* %p to i8 addrspace(2)*
751 %pp = getelementptr inbounds i8 addrspace(2)* %q, i64 %o
752 %r = addrspacecast i8 addrspace(2)* %pp to %s addrspace(1)*
753 %l = load %s addrspace(1)* %r
757 define %s @test68_as1(%s addrspace(1)* %p, i32 %i) {
758 ; CHECK-LABEL: @test68_as1(
760 %q = bitcast %s addrspace(1)* %p to i8 addrspace(1)*
761 %pp = getelementptr inbounds i8 addrspace(1)* %q, i32 %o
762 ; CHECK-NEXT: getelementptr %s addrspace(1)*
763 %r = bitcast i8 addrspace(1)* %pp to %s addrspace(1)*
764 %l = load %s addrspace(1)* %r
765 ; CHECK-NEXT: load %s addrspace(1)*
770 define double @test69(double *%p, i64 %i) {
771 ; CHECK-LABEL: @test69(
772 %o = shl nsw i64 %i, 3
773 %q = bitcast double* %p to i8*
774 %pp = getelementptr inbounds i8* %q, i64 %o
775 ; CHECK-NEXT: getelementptr inbounds double*
776 %r = bitcast i8* %pp to double*
778 ; CHECK-NEXT: load double*
780 ; CHECK-NEXT: ret double
783 define %s @test70(%s *%p, i64 %i) {
784 ; CHECK-LABEL: @test70(
785 %o = mul nsw i64 %i, 36
786 ; CHECK-NEXT: mul nsw i64 %i, 3
787 %q = bitcast %s* %p to i8*
788 %pp = getelementptr inbounds i8* %q, i64 %o
789 ; CHECK-NEXT: getelementptr inbounds %s*
790 %r = bitcast i8* %pp to %s*
792 ; CHECK-NEXT: load %s*
797 define double @test71(double *%p, i64 %i) {
798 ; CHECK-LABEL: @test71(
800 ; CHECK-NEXT: shl i64 %i, 2
801 %q = bitcast double* %p to i8*
802 %pp = getelementptr i8* %q, i64 %o
803 ; CHECK-NEXT: getelementptr double*
804 %r = bitcast i8* %pp to double*
806 ; CHECK-NEXT: load double*
808 ; CHECK-NEXT: ret double
811 define double @test72(double *%p, i32 %i) {
812 ; CHECK-LABEL: @test72(
813 %so = mul nsw i32 %i, 8
814 %o = sext i32 %so to i64
815 ; CHECK-NEXT: sext i32 %i to i64
816 %q = bitcast double* %p to i8*
817 %pp = getelementptr inbounds i8* %q, i64 %o
818 ; CHECK-NEXT: getelementptr inbounds double*
819 %r = bitcast i8* %pp to double*
821 ; CHECK-NEXT: load double*
823 ; CHECK-NEXT: ret double
826 define double @test73(double *%p, i128 %i) {
827 ; CHECK-LABEL: @test73(
828 %lo = mul nsw i128 %i, 8
829 %o = trunc i128 %lo to i64
830 ; CHECK-NEXT: trunc i128 %i to i64
831 %q = bitcast double* %p to i8*
832 %pp = getelementptr inbounds i8* %q, i64 %o
833 ; CHECK-NEXT: getelementptr double*
834 %r = bitcast i8* %pp to double*
836 ; CHECK-NEXT: load double*
838 ; CHECK-NEXT: ret double
841 define double @test74(double *%p, i64 %i) {
842 ; CHECK-LABEL: @test74(
843 %q = bitcast double* %p to i64*
844 %pp = getelementptr inbounds i64* %q, i64 %i
845 ; CHECK-NEXT: getelementptr inbounds double*
846 %r = bitcast i64* %pp to double*
848 ; CHECK-NEXT: load double*
850 ; CHECK-NEXT: ret double
853 define i32* @test75(i32* %p, i32 %x) {
854 ; CHECK-LABEL: @test75(
856 ; CHECK-NEXT: shl i32 %x, 3
857 %z = sext i32 %y to i64
858 ; CHECK-NEXT: sext i32 %y to i64
859 %q = bitcast i32* %p to i8*
860 %r = getelementptr i8* %q, i64 %z
861 %s = bitcast i8* %r to i32*
865 define %s @test76(%s *%p, i64 %i, i64 %j) {
866 ; CHECK-LABEL: @test76(
868 %o2 = mul nsw i64 %o, %j
869 ; CHECK-NEXT: %o2 = mul i64 %i, %j
870 %q = bitcast %s* %p to i8*
871 %pp = getelementptr inbounds i8* %q, i64 %o2
872 ; CHECK-NEXT: getelementptr %s* %p, i64 %o2
873 %r = bitcast i8* %pp to %s*
875 ; CHECK-NEXT: load %s*
880 define %s @test77(%s *%p, i64 %i, i64 %j) {
881 ; CHECK-LABEL: @test77(
882 %o = mul nsw i64 %i, 36
883 %o2 = mul nsw i64 %o, %j
884 ; CHECK-NEXT: %o = mul nsw i64 %i, 3
885 ; CHECK-NEXT: %o2 = mul nsw i64 %o, %j
886 %q = bitcast %s* %p to i8*
887 %pp = getelementptr inbounds i8* %q, i64 %o2
888 ; CHECK-NEXT: getelementptr inbounds %s* %p, i64 %o2
889 %r = bitcast i8* %pp to %s*
891 ; CHECK-NEXT: load %s*
896 define %s @test78(%s *%p, i64 %i, i64 %j, i32 %k, i32 %l, i128 %m, i128 %n) {
897 ; CHECK-LABEL: @test78(
898 %a = mul nsw i32 %k, 36
899 ; CHECK-NEXT: mul nsw i32 %k, 3
900 %b = mul nsw i32 %a, %l
901 ; CHECK-NEXT: mul nsw i32 %a, %l
902 %c = sext i32 %b to i128
903 ; CHECK-NEXT: sext i32 %b to i128
904 %d = mul nsw i128 %c, %m
905 ; CHECK-NEXT: mul nsw i128 %c, %m
907 ; CHECK-NEXT: mul i128 %d, %n
908 %f = trunc i128 %e to i64
909 ; CHECK-NEXT: trunc i128 %e to i64
910 %g = mul nsw i64 %f, %i
911 ; CHECK-NEXT: mul i64 %f, %i
912 %h = mul nsw i64 %g, %j
913 ; CHECK-NEXT: mul i64 %g, %j
914 %q = bitcast %s* %p to i8*
915 %pp = getelementptr inbounds i8* %q, i64 %h
916 ; CHECK-NEXT: getelementptr %s* %p, i64 %h
917 %r = bitcast i8* %pp to %s*
919 ; CHECK-NEXT: load %s*
924 define %s @test79(%s *%p, i64 %i, i32 %j) {
925 ; CHECK-LABEL: @test79(
926 %a = mul nsw i64 %i, 36
927 ; CHECK: mul nsw i64 %i, 36
928 %b = trunc i64 %a to i32
930 %q = bitcast %s* %p to i8*
932 %pp = getelementptr inbounds i8* %q, i32 %c
933 %r = bitcast i8* %pp to %s*
938 define double @test80([100 x double]* %p, i32 %i) {
939 ; CHECK-LABEL: @test80(
940 %tmp = mul nsw i32 %i, 8
941 ; CHECK-NEXT: sext i32 %i to i64
942 %q = bitcast [100 x double]* %p to i8*
943 %pp = getelementptr i8* %q, i32 %tmp
944 ; CHECK-NEXT: getelementptr [100 x double]*
945 %r = bitcast i8* %pp to double*
947 ; CHECK-NEXT: load double*
949 ; CHECK-NEXT: ret double
952 define double @test80_addrspacecast([100 x double] addrspace(1)* %p, i32 %i) {
953 ; CHECK-LABEL: @test80_addrspacecast(
954 ; CHECK-NEXT: getelementptr [100 x double] addrspace(1)* %p
955 ; CHECK-NEXT: load double addrspace(1)*
956 ; CHECK-NEXT: ret double
957 %tmp = mul nsw i32 %i, 8
958 %q = addrspacecast [100 x double] addrspace(1)* %p to i8 addrspace(2)*
959 %pp = getelementptr i8 addrspace(2)* %q, i32 %tmp
960 %r = addrspacecast i8 addrspace(2)* %pp to double addrspace(1)*
961 %l = load double addrspace(1)* %r
965 define double @test80_addrspacecast_2([100 x double] addrspace(1)* %p, i32 %i) {
966 ; CHECK-LABEL: @test80_addrspacecast_2(
967 ; CHECK-NEXT: getelementptr [100 x double] addrspace(1)*
968 ; CHECK-NEXT: addrspacecast double addrspace(1)*
969 ; CHECK-NEXT: load double addrspace(3)*
970 ; CHECK-NEXT: ret double
971 %tmp = mul nsw i32 %i, 8
972 %q = addrspacecast [100 x double] addrspace(1)* %p to i8 addrspace(2)*
973 %pp = getelementptr i8 addrspace(2)* %q, i32 %tmp
974 %r = addrspacecast i8 addrspace(2)* %pp to double addrspace(3)*
975 %l = load double addrspace(3)* %r
979 define double @test80_as1([100 x double] addrspace(1)* %p, i16 %i) {
980 ; CHECK-LABEL: @test80_as1(
981 %tmp = mul nsw i16 %i, 8
982 ; CHECK-NEXT: sext i16 %i to i32
983 %q = bitcast [100 x double] addrspace(1)* %p to i8 addrspace(1)*
984 %pp = getelementptr i8 addrspace(1)* %q, i16 %tmp
985 ; CHECK-NEXT: getelementptr [100 x double] addrspace(1)*
986 %r = bitcast i8 addrspace(1)* %pp to double addrspace(1)*
987 %l = load double addrspace(1)* %r
988 ; CHECK-NEXT: load double addrspace(1)*
990 ; CHECK-NEXT: ret double
993 define double @test81(double *%p, float %f) {
994 %i = fptosi float %f to i64
995 %q = bitcast double* %p to i8*
996 %pp = getelementptr i8* %q, i64 %i
997 %r = bitcast i8* %pp to double*
1002 define i64 @test82(i64 %A) nounwind {
1003 %B = trunc i64 %A to i32
1006 %E = zext i32 %D to i64
1009 ; CHECK-LABEL: @test82(
1010 ; CHECK-NEXT: [[REG:%[0-9]*]] = shl i64 %A, 1
1011 ; CHECK-NEXT: %E = and i64 [[REG]], 4294966784
1012 ; CHECK-NEXT: ret i64 %E
1016 define i64 @test83(i16 %a, i64 %k) {
1017 %conv = sext i16 %a to i32
1018 %sub = add nsw i64 %k, -1
1019 %sh_prom = trunc i64 %sub to i32
1020 %shl = shl i32 %conv, %sh_prom
1021 %sh_prom1 = zext i32 %shl to i64
1024 ; CHECK-LABEL: @test83(
1025 ; CHECK: %sub = add i64 %k, 4294967295
1026 ; CHECK: %sh_prom = trunc i64 %sub to i32
1027 ; CHECK: %shl = shl i32 %conv, %sh_prom
1030 define i8 @test84(i32 %a) {
1031 %add = add nsw i32 %a, -16777216
1032 %shr = lshr exact i32 %add, 23
1033 %trunc = trunc i32 %shr to i8
1036 ; CHECK-LABEL: @test84(
1037 ; CHECK: [[ADD:%.*]] = add i32 %a, 2130706432
1038 ; CHECK: [[SHR:%.*]] = lshr exact i32 [[ADD]], 23
1039 ; CHECK: [[CST:%.*]] = trunc i32 [[SHR]] to i8
1042 define i8 @test85(i32 %a) {
1043 %add = add nuw i32 %a, -16777216
1044 %shr = lshr exact i32 %add, 23
1045 %trunc = trunc i32 %shr to i8
1048 ; CHECK-LABEL: @test85(
1049 ; CHECK: [[ADD:%.*]] = add i32 %a, 2130706432
1050 ; CHECK: [[SHR:%.*]] = lshr exact i32 [[ADD]], 23
1051 ; CHECK: [[CST:%.*]] = trunc i32 [[SHR]] to i8