1 ; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
2 ; RUN: opt < %s -instcombine -S | FileCheck %s
4 target datalayout = "e-p:64:64-p1:16:16-p2:32:32:32-p3:64:64:64"
6 %intstruct = type { i32 }
7 %pair = type { i32, i32 }
8 %struct.B = type { double }
9 %struct.A = type { %struct.B, i32, i32 }
10 %struct.C = type { [7 x i8] }
13 @Global = external global [10 x i8]
14 @Global_as1 = external addrspace(1) global [10 x i8]
16 ; Test noop elimination
17 define i32* @test1(i32* %I) {
18 ; CHECK-LABEL: @test1(
19 ; CHECK-NEXT: ret i32* [[I:%.*]]
21 %A = getelementptr i32, i32* %I, i64 0
25 define i32 addrspace(1)* @test1_as1(i32 addrspace(1)* %I) {
26 ; CHECK-LABEL: @test1_as1(
27 ; CHECK-NEXT: ret i32 addrspace(1)* [[I:%.*]]
29 %A = getelementptr i32, i32 addrspace(1)* %I, i64 0
30 ret i32 addrspace(1)* %A
33 ; Test noop elimination
34 define i32* @test2(i32* %I) {
35 ; CHECK-LABEL: @test2(
36 ; CHECK-NEXT: ret i32* [[I:%.*]]
38 %A = getelementptr i32, i32* %I
42 ; Test that two array indexing geps fold
43 define i32* @test3(i32* %I) {
44 ; CHECK-LABEL: @test3(
45 ; CHECK-NEXT: [[B:%.*]] = getelementptr i32, i32* [[I:%.*]], i64 21
46 ; CHECK-NEXT: ret i32* [[B]]
48 %A = getelementptr i32, i32* %I, i64 17
49 %B = getelementptr i32, i32* %A, i64 4
53 ; Test that two getelementptr insts fold
54 define i32* @test4({ i32 }* %I) {
55 ; CHECK-LABEL: @test4(
56 ; CHECK-NEXT: [[B:%.*]] = getelementptr { i32 }, { i32 }* [[I:%.*]], i64 1, i32 0
57 ; CHECK-NEXT: ret i32* [[B]]
59 %A = getelementptr { i32 }, { i32 }* %I, i64 1
60 %B = getelementptr { i32 }, { i32 }* %A, i64 0, i32 0
64 define void @test5(i8 %B) {
65 ; This should be turned into a constexpr instead of being an instruction
66 ; CHECK-LABEL: @test5(
67 ; CHECK-NEXT: store i8 [[B:%.*]], i8* getelementptr inbounds ([10 x i8], [10 x i8]* @Global, i64 0, i64 4), align 1
68 ; CHECK-NEXT: ret void
70 %A = getelementptr [10 x i8], [10 x i8]* @Global, i64 0, i64 4
75 define void @test5_as1(i8 %B) {
76 ; This should be turned into a constexpr instead of being an instruction
77 ; CHECK-LABEL: @test5_as1(
78 ; CHECK-NEXT: store i8 [[B:%.*]], i8 addrspace(1)* getelementptr inbounds ([10 x i8], [10 x i8] addrspace(1)* @Global_as1, i16 0, i16 4), align 1
79 ; CHECK-NEXT: ret void
81 %A = getelementptr [10 x i8], [10 x i8] addrspace(1)* @Global_as1, i16 0, i16 4
82 store i8 %B, i8 addrspace(1)* %A
86 %as1_ptr_struct = type { i32 addrspace(1)* }
87 %as2_ptr_struct = type { i32 addrspace(2)* }
89 @global_as2 = addrspace(2) global i32 zeroinitializer
90 @global_as1_as2_ptr = addrspace(1) global %as2_ptr_struct { i32 addrspace(2)* @global_as2 }
92 ; This should be turned into a constexpr instead of being an instruction
93 define void @test_evaluate_gep_nested_as_ptrs(i32 addrspace(2)* %B) {
94 ; CHECK-LABEL: @test_evaluate_gep_nested_as_ptrs(
95 ; CHECK-NEXT: store i32 addrspace(2)* [[B:%.*]], i32 addrspace(2)* addrspace(1)* getelementptr inbounds ([[AS2_PTR_STRUCT:%.*]], [[AS2_PTR_STRUCT]] addrspace(1)* @global_as1_as2_ptr, i16 0, i32 0), align 8
96 ; CHECK-NEXT: ret void
98 %A = getelementptr %as2_ptr_struct, %as2_ptr_struct addrspace(1)* @global_as1_as2_ptr, i16 0, i32 0
99 store i32 addrspace(2)* %B, i32 addrspace(2)* addrspace(1)* %A
103 @arst = addrspace(1) global [4 x i8 addrspace(2)*] zeroinitializer
105 define void @test_evaluate_gep_as_ptrs_array(i8 addrspace(2)* %B) {
106 ; CHECK-LABEL: @test_evaluate_gep_as_ptrs_array(
107 ; CHECK-NEXT: store i8 addrspace(2)* [[B:%.*]], i8 addrspace(2)* addrspace(1)* getelementptr inbounds ([4 x i8 addrspace(2)*], [4 x i8 addrspace(2)*] addrspace(1)* @arst, i16 0, i16 2), align 4
108 ; CHECK-NEXT: ret void
111 %A = getelementptr [4 x i8 addrspace(2)*], [4 x i8 addrspace(2)*] addrspace(1)* @arst, i16 0, i16 2
112 store i8 addrspace(2)* %B, i8 addrspace(2)* addrspace(1)* %A
116 define i32* @test7(i32* %I, i64 %C, i64 %D) {
117 ; CHECK-LABEL: @test7(
118 ; CHECK-NEXT: [[B_IDX:%.*]] = add i64 [[D:%.*]], [[C:%.*]]
119 ; CHECK-NEXT: [[B:%.*]] = getelementptr i32, i32* [[I:%.*]], i64 [[B_IDX]]
120 ; CHECK-NEXT: ret i32* [[B]]
122 %A = getelementptr i32, i32* %I, i64 %C
123 %B = getelementptr i32, i32* %A, i64 %D
127 define i8* @test8([10 x i32]* %X) {
128 ;; Fold into the cast.
129 ; CHECK-LABEL: @test8(
130 ; CHECK-NEXT: [[B:%.*]] = bitcast [10 x i32]* [[X:%.*]] to i8*
131 ; CHECK-NEXT: ret i8* [[B]]
133 %A = getelementptr [10 x i32], [10 x i32]* %X, i64 0, i64 0
134 %B = bitcast i32* %A to i8*
138 define i32 @test9() {
139 ; CHECK-LABEL: @test9(
140 ; CHECK-NEXT: ret i32 8
142 %A = getelementptr { i32, double }, { i32, double }* null, i32 0, i32 1
143 %B = ptrtoint double* %A to i32
147 define i1 @test10({ i32, i32 }* %x, { i32, i32 }* %y) {
148 ; CHECK-LABEL: @test10(
149 ; CHECK-NEXT: [[TMP_4:%.*]] = icmp eq { i32, i32 }* [[X:%.*]], [[Y:%.*]]
150 ; CHECK-NEXT: ret i1 [[TMP_4]]
152 %tmp.1 = getelementptr { i32, i32 }, { i32, i32 }* %x, i32 0, i32 1
153 %tmp.3 = getelementptr { i32, i32 }, { i32, i32 }* %y, i32 0, i32 1
155 %tmp.4 = icmp eq i32* %tmp.1, %tmp.3
159 define i1 @test11({ i32, i32 }* %X) {
160 ; CHECK-LABEL: @test11(
161 ; CHECK-NEXT: [[Q:%.*]] = icmp eq { i32, i32 }* [[X:%.*]], null
162 ; CHECK-NEXT: ret i1 [[Q]]
164 %P = getelementptr { i32, i32 }, { i32, i32 }* %X, i32 0, i32 0
165 %Q = icmp eq i32* %P, null
171 define i32 @test12(%struct.A* %a) {
172 ; CHECK-LABEL: @test12(
174 ; CHECK-NEXT: [[G3:%.*]] = getelementptr [[STRUCT_A:%.*]], %struct.A* [[A:%.*]], i64 0, i32 1
175 ; CHECK-NEXT: store i32 10, i32* [[G3]], align 4
176 ; CHECK-NEXT: ret i32 10
179 %g3 = getelementptr %struct.A, %struct.A* %a, i32 0, i32 1
180 store i32 10, i32* %g3, align 4
182 %g4 = getelementptr %struct.A, %struct.A* %a, i32 0, i32 0
184 %new_a = bitcast %struct.B* %g4 to %struct.A*
186 %g5 = getelementptr %struct.A, %struct.A* %new_a, i32 0, i32 1
187 %a_a = load i32, i32* %g5, align 4
193 %S = type { i32, [ 100 x i32] }
194 define i1 @test13(i64 %X, %S* %P) {
195 ; CHECK-LABEL: @test13(
196 ; CHECK-NEXT: [[C:%.*]] = icmp eq i64 [[X:%.*]], -1
197 ; CHECK-NEXT: ret i1 [[C]]
199 %A = getelementptr inbounds %S, %S* %P, i32 0, i32 1, i64 %X
200 %B = getelementptr inbounds %S, %S* %P, i32 0, i32 0
201 %C = icmp eq i32* %A, %B
205 define <2 x i1> @test13_vector(<2 x i64> %X, <2 x %S*> %P) nounwind {
206 ; CHECK-LABEL: @test13_vector(
207 ; CHECK-NEXT: [[C:%.*]] = icmp eq <2 x i64> [[X:%.*]], <i64 -1, i64 -1>
208 ; CHECK-NEXT: ret <2 x i1> [[C]]
210 %A = getelementptr inbounds %S, <2 x %S*> %P, <2 x i64> zeroinitializer, <2 x i32> <i32 1, i32 1>, <2 x i64> %X
211 %B = getelementptr inbounds %S, <2 x %S*> %P, <2 x i64> <i64 0, i64 0>, <2 x i32> <i32 0, i32 0>
212 %C = icmp eq <2 x i32*> %A, %B
216 define <2 x i1> @test13_vector2(i64 %X, <2 x %S*> %P) nounwind {
217 ; CHECK-LABEL: @test13_vector2(
218 ; CHECK-NEXT: [[DOTSPLATINSERT:%.*]] = insertelement <2 x i64> poison, i64 [[X:%.*]], i32 0
219 ; CHECK-NEXT: [[TMP1:%.*]] = shl <2 x i64> [[DOTSPLATINSERT]], <i64 2, i64 0>
220 ; CHECK-NEXT: [[TMP2:%.*]] = icmp eq <2 x i64> [[TMP1]], <i64 -4, i64 poison>
221 ; CHECK-NEXT: [[C:%.*]] = shufflevector <2 x i1> [[TMP2]], <2 x i1> undef, <2 x i32> zeroinitializer
222 ; CHECK-NEXT: ret <2 x i1> [[C]]
224 %A = getelementptr inbounds %S, <2 x %S*> %P, <2 x i64> zeroinitializer, <2 x i32> <i32 1, i32 1>, i64 %X
225 %B = getelementptr inbounds %S, <2 x %S*> %P, <2 x i64> <i64 0, i64 0>, <2 x i32> <i32 0, i32 0>
226 %C = icmp eq <2 x i32*> %A, %B
230 ; This is a test of icmp + shl nuw in disguise - 4611... is 0x3fff...
231 define <2 x i1> @test13_vector3(i64 %X, <2 x %S*> %P) nounwind {
232 ; CHECK-LABEL: @test13_vector3(
233 ; CHECK-NEXT: [[DOTSPLATINSERT:%.*]] = insertelement <2 x i64> poison, i64 [[X:%.*]], i32 0
234 ; CHECK-NEXT: [[TMP1:%.*]] = shl <2 x i64> [[DOTSPLATINSERT]], <i64 2, i64 0>
235 ; CHECK-NEXT: [[TMP2:%.*]] = icmp eq <2 x i64> [[TMP1]], <i64 4, i64 poison>
236 ; CHECK-NEXT: [[C:%.*]] = shufflevector <2 x i1> [[TMP2]], <2 x i1> undef, <2 x i32> zeroinitializer
237 ; CHECK-NEXT: ret <2 x i1> [[C]]
239 %A = getelementptr inbounds %S, <2 x %S*> %P, <2 x i64> zeroinitializer, <2 x i32> <i32 1, i32 1>, i64 %X
240 %B = getelementptr inbounds %S, <2 x %S*> %P, <2 x i64> <i64 0, i64 0>, <2 x i32> <i32 1, i32 1>, i64 1
241 %C = icmp eq <2 x i32*> %A, %B
245 define i1 @test13_as1(i16 %X, %S addrspace(1)* %P) {
246 ; CHECK-LABEL: @test13_as1(
247 ; CHECK-NEXT: [[C:%.*]] = icmp eq i16 [[X:%.*]], -1
248 ; CHECK-NEXT: ret i1 [[C]]
250 %A = getelementptr inbounds %S, %S addrspace(1)* %P, i16 0, i32 1, i16 %X
251 %B = getelementptr inbounds %S, %S addrspace(1)* %P, i16 0, i32 0
252 %C = icmp eq i32 addrspace(1)* %A, %B
256 define <2 x i1> @test13_vector_as1(<2 x i16> %X, <2 x %S addrspace(1)*> %P) {
257 ; CHECK-LABEL: @test13_vector_as1(
258 ; CHECK-NEXT: [[C:%.*]] = icmp eq <2 x i16> [[X:%.*]], <i16 -1, i16 -1>
259 ; CHECK-NEXT: ret <2 x i1> [[C]]
261 %A = getelementptr inbounds %S, <2 x %S addrspace(1)*> %P, <2 x i16> <i16 0, i16 0>, <2 x i32> <i32 1, i32 1>, <2 x i16> %X
262 %B = getelementptr inbounds %S, <2 x %S addrspace(1)*> %P, <2 x i16> <i16 0, i16 0>, <2 x i32> <i32 0, i32 0>
263 %C = icmp eq <2 x i32 addrspace(1)*> %A, %B
267 define i1 @test13_i32(i32 %X, %S* %P) {
268 ; CHECK-LABEL: @test13_i32(
269 ; CHECK-NEXT: [[C:%.*]] = icmp eq i32 [[X:%.*]], -1
270 ; CHECK-NEXT: ret i1 [[C]]
272 %A = getelementptr inbounds %S, %S* %P, i32 0, i32 1, i32 %X
273 %B = getelementptr inbounds %S, %S* %P, i32 0, i32 0
274 %C = icmp eq i32* %A, %B
278 define i1 @test13_i16(i16 %X, %S* %P) {
279 ; CHECK-LABEL: @test13_i16(
280 ; CHECK-NEXT: [[C:%.*]] = icmp eq i16 [[X:%.*]], -1
281 ; CHECK-NEXT: ret i1 [[C]]
283 %A = getelementptr inbounds %S, %S* %P, i16 0, i32 1, i16 %X
284 %B = getelementptr inbounds %S, %S* %P, i16 0, i32 0
285 %C = icmp eq i32* %A, %B
289 define i1 @test13_i128(i128 %X, %S* %P) {
290 ; CHECK-LABEL: @test13_i128(
291 ; CHECK-NEXT: [[TMP1:%.*]] = trunc i128 [[X:%.*]] to i64
292 ; CHECK-NEXT: [[C:%.*]] = icmp eq i64 [[TMP1]], -1
293 ; CHECK-NEXT: ret i1 [[C]]
295 %A = getelementptr inbounds %S, %S* %P, i128 0, i32 1, i128 %X
296 %B = getelementptr inbounds %S, %S* %P, i128 0, i32 0
297 %C = icmp eq i32* %A, %B
302 @G = external global [3 x i8]
303 define i8* @test14(i32 %idx) {
304 ; CHECK-LABEL: @test14(
305 ; CHECK-NEXT: [[ZEXT:%.*]] = zext i32 [[IDX:%.*]] to i64
306 ; CHECK-NEXT: [[TMP:%.*]] = getelementptr [3 x i8], [3 x i8]* @G, i64 0, i64 [[ZEXT]]
307 ; CHECK-NEXT: ret i8* [[TMP]]
309 %zext = zext i32 %idx to i64
310 %tmp = getelementptr i8, i8* getelementptr ([3 x i8], [3 x i8]* @G, i32 0, i32 0), i64 %zext
315 ; Test folding of constantexpr geps into normal geps.
316 @Array = external global [40 x i32]
317 define i32 *@test15(i64 %X) {
318 ; CHECK-LABEL: @test15(
319 ; CHECK-NEXT: [[A:%.*]] = getelementptr [40 x i32], [40 x i32]* @Array, i64 0, i64 [[X:%.*]]
320 ; CHECK-NEXT: ret i32* [[A]]
322 %A = getelementptr i32, i32* getelementptr ([40 x i32], [40 x i32]* @Array, i64 0, i64 0), i64 %X
327 define i32* @test16(i32* %X, i32 %Idx) {
328 ; CHECK-LABEL: @test16(
329 ; CHECK-NEXT: [[TMP1:%.*]] = sext i32 [[IDX:%.*]] to i64
330 ; CHECK-NEXT: [[R:%.*]] = getelementptr i32, i32* [[X:%.*]], i64 [[TMP1]]
331 ; CHECK-NEXT: ret i32* [[R]]
333 %R = getelementptr i32, i32* %X, i32 %Idx
338 define i1 @test17(i16* %P, i32 %I, i32 %J) {
339 ; CHECK-LABEL: @test17(
340 ; CHECK-NEXT: [[C:%.*]] = icmp slt i32 [[I:%.*]], [[J:%.*]]
341 ; CHECK-NEXT: ret i1 [[C]]
343 %X = getelementptr inbounds i16, i16* %P, i32 %I
344 %Y = getelementptr inbounds i16, i16* %P, i32 %J
345 %C = icmp ult i16* %X, %Y
349 define i1 @test18(i16* %P, i32 %I) {
350 ; CHECK-LABEL: @test18(
351 ; CHECK-NEXT: [[C:%.*]] = icmp slt i32 [[I:%.*]], 0
352 ; CHECK-NEXT: ret i1 [[C]]
354 %X = getelementptr inbounds i16, i16* %P, i32 %I
355 %C = icmp ult i16* %X, %P
359 ; Larger than the pointer size for a non-zero address space
360 define i1 @test18_as1(i16 addrspace(1)* %P, i32 %I) {
361 ; CHECK-LABEL: @test18_as1(
362 ; CHECK-NEXT: [[TMP1:%.*]] = trunc i32 [[I:%.*]] to i16
363 ; CHECK-NEXT: [[C:%.*]] = icmp slt i16 [[TMP1]], 0
364 ; CHECK-NEXT: ret i1 [[C]]
366 %X = getelementptr inbounds i16, i16 addrspace(1)* %P, i32 %I
367 %C = icmp ult i16 addrspace(1)* %X, %P
371 ; Smaller than the pointer size for a non-zero address space
372 define i1 @test18_as1_i32(i16 addrspace(1)* %P, i32 %I) {
373 ; CHECK-LABEL: @test18_as1_i32(
374 ; CHECK-NEXT: [[TMP1:%.*]] = trunc i32 [[I:%.*]] to i16
375 ; CHECK-NEXT: [[C:%.*]] = icmp slt i16 [[TMP1]], 0
376 ; CHECK-NEXT: ret i1 [[C]]
378 %X = getelementptr inbounds i16, i16 addrspace(1)* %P, i32 %I
379 %C = icmp ult i16 addrspace(1)* %X, %P
383 ; Smaller than pointer size
384 define i1 @test18_i16(i16* %P, i16 %I) {
385 ; CHECK-LABEL: @test18_i16(
386 ; CHECK-NEXT: [[C:%.*]] = icmp slt i16 [[I:%.*]], 0
387 ; CHECK-NEXT: ret i1 [[C]]
389 %X = getelementptr inbounds i16, i16* %P, i16 %I
390 %C = icmp ult i16* %X, %P
394 ; Same as pointer size
395 define i1 @test18_i64(i16* %P, i64 %I) {
396 ; CHECK-LABEL: @test18_i64(
397 ; CHECK-NEXT: [[C:%.*]] = icmp slt i64 [[I:%.*]], 0
398 ; CHECK-NEXT: ret i1 [[C]]
400 %X = getelementptr inbounds i16, i16* %P, i64 %I
401 %C = icmp ult i16* %X, %P
405 ; Larger than the pointer size
406 define i1 @test18_i128(i16* %P, i128 %I) {
407 ; CHECK-LABEL: @test18_i128(
408 ; CHECK-NEXT: [[TMP1:%.*]] = trunc i128 [[I:%.*]] to i64
409 ; CHECK-NEXT: [[C:%.*]] = icmp slt i64 [[TMP1]], 0
410 ; CHECK-NEXT: ret i1 [[C]]
412 %X = getelementptr inbounds i16, i16* %P, i128 %I
413 %C = icmp ult i16* %X, %P
417 define i32 @test19(i32* %P, i32 %A, i32 %B) {
418 ; CHECK-LABEL: @test19(
419 ; CHECK-NEXT: [[TMP_10:%.*]] = icmp eq i32 [[A:%.*]], [[B:%.*]]
420 ; CHECK-NEXT: [[TMP_11:%.*]] = zext i1 [[TMP_10]] to i32
421 ; CHECK-NEXT: ret i32 [[TMP_11]]
423 %tmp.4 = getelementptr inbounds i32, i32* %P, i32 %A
424 %tmp.9 = getelementptr inbounds i32, i32* %P, i32 %B
425 %tmp.10 = icmp eq i32* %tmp.4, %tmp.9
426 %tmp.11 = zext i1 %tmp.10 to i32
430 define i32 @test20(i32* %P, i32 %A, i32 %B) {
431 ; CHECK-LABEL: @test20(
432 ; CHECK-NEXT: [[TMP_6:%.*]] = icmp eq i32 [[A:%.*]], 0
433 ; CHECK-NEXT: [[TMP_7:%.*]] = zext i1 [[TMP_6]] to i32
434 ; CHECK-NEXT: ret i32 [[TMP_7]]
436 %tmp.4 = getelementptr inbounds i32, i32* %P, i32 %A
437 %tmp.6 = icmp eq i32* %tmp.4, %P
438 %tmp.7 = zext i1 %tmp.6 to i32
442 define i32 @test20_as1(i32 addrspace(1)* %P, i32 %A, i32 %B) {
443 ; CHECK-LABEL: @test20_as1(
444 ; CHECK-NEXT: [[TMP1:%.*]] = trunc i32 [[A:%.*]] to i16
445 ; CHECK-NEXT: [[TMP_6:%.*]] = icmp eq i16 [[TMP1]], 0
446 ; CHECK-NEXT: [[TMP_7:%.*]] = zext i1 [[TMP_6]] to i32
447 ; CHECK-NEXT: ret i32 [[TMP_7]]
449 %tmp.4 = getelementptr inbounds i32, i32 addrspace(1)* %P, i32 %A
450 %tmp.6 = icmp eq i32 addrspace(1)* %tmp.4, %P
451 %tmp.7 = zext i1 %tmp.6 to i32
456 define i32 @test21() {
457 ; CHECK-LABEL: @test21(
458 ; CHECK-NEXT: [[PBOB1:%.*]] = alloca [[INTSTRUCT:%.*]], align 8
459 ; CHECK-NEXT: [[PBOBEL:%.*]] = getelementptr inbounds [[INTSTRUCT]], %intstruct* [[PBOB1]], i64 0, i32 0
460 ; CHECK-NEXT: [[RVAL:%.*]] = load i32, i32* [[PBOBEL]], align 8
461 ; CHECK-NEXT: ret i32 [[RVAL]]
463 %pbob1 = alloca %intstruct
464 %pbob2 = getelementptr %intstruct, %intstruct* %pbob1
465 %pbobel = getelementptr %intstruct, %intstruct* %pbob2, i64 0, i32 0
466 %rval = load i32, i32* %pbobel
471 @A = global i32 1 ; <i32*> [#uses=1]
472 @B = global i32 2 ; <i32*> [#uses=1]
474 define i1 @test22() {
475 ; CHECK-LABEL: @test22(
476 ; CHECK-NEXT: ret i1 icmp ult (i32* getelementptr inbounds (i32, i32* @A, i64 1), i32* getelementptr (i32, i32* @B, i64 2))
478 %C = icmp ult i32* getelementptr (i32, i32* @A, i64 1),
479 getelementptr (i32, i32* @B, i64 2)
484 %X = type { [10 x i32], float }
486 define i1 @test23() {
487 ; CHECK-LABEL: @test23(
488 ; CHECK-NEXT: ret i1 false
490 %A = getelementptr %X, %X* null, i64 0, i32 0, i64 0 ; <i32*> [#uses=1]
491 %B = icmp ne i32* %A, null ; <i1> [#uses=1]
495 define void @test25() {
496 ; CHECK-LABEL: @test25(
498 ; CHECK-NEXT: store i64 poison, i64* null, align 536870912
499 ; CHECK-NEXT: tail call void @foo25(i32 0, i64 poison)
500 ; CHECK-NEXT: unreachable
503 %tmp = getelementptr { i64, i64, i64, i64 }, { i64, i64, i64, i64 }* null, i32 0, i32 3 ; <i64*> [#uses=1]
504 %tmp.upgrd.1 = load i64, i64* %tmp ; <i64> [#uses=1]
505 %tmp8.ui = load i64, i64* null ; <i64> [#uses=1]
506 %tmp8 = bitcast i64 %tmp8.ui to i64 ; <i64> [#uses=1]
507 %tmp9 = and i64 %tmp8, %tmp.upgrd.1 ; <i64> [#uses=1]
508 %sext = trunc i64 %tmp9 to i32 ; <i32> [#uses=1]
509 %tmp27.i = sext i32 %sext to i64 ; <i64> [#uses=1]
510 tail call void @foo25( i32 0, i64 %tmp27.i )
514 declare void @foo25(i32, i64)
518 define i1 @test26(i8* %arr) {
519 ; CHECK-LABEL: @test26(
520 ; CHECK-NEXT: ret i1 true
522 %X = getelementptr i8, i8* %arr, i32 1
523 %Y = getelementptr i8, i8* %arr, i32 1
524 %test = icmp uge i8* %X, %Y
528 %struct.__large_struct = type { [100 x i64] }
529 %struct.compat_siginfo = type { i32, i32, i32, { [29 x i32] } }
530 %struct.siginfo_t = type { i32, i32, i32, { { i32, i32, [0 x i8], %struct.sigval_t, i32 }, [88 x i8] } }
531 %struct.sigval_t = type { i8* }
533 define i32 @test27(%struct.compat_siginfo* %to, %struct.siginfo_t* %from) {
534 ; CHECK-LABEL: @test27(
536 ; CHECK-NEXT: [[FROM_ADDR:%.*]] = alloca %struct.siginfo_t*, align 8
537 ; CHECK-NEXT: [[TMP344:%.*]] = load %struct.siginfo_t*, %struct.siginfo_t** [[FROM_ADDR]], align 8
538 ; CHECK-NEXT: [[TMP349:%.*]] = getelementptr [[STRUCT_SIGINFO_T:%.*]], %struct.siginfo_t* [[TMP344]], i64 0, i32 3, i32 0, i32 3, i32 0
539 ; CHECK-NEXT: [[TMP349350:%.*]] = bitcast i8** [[TMP349]] to i32*
540 ; CHECK-NEXT: [[TMP351:%.*]] = load i32, i32* [[TMP349350]], align 8
541 ; CHECK-NEXT: [[TMP360:%.*]] = call i32 asm sideeffect "...", "=r,ir,*m,i,0,~{dirflag},~{fpsr},~{flags}"(i32 [[TMP351]], %struct.__large_struct* null, i32 -14, i32 0) #[[ATTR0:[0-9]+]]
542 ; CHECK-NEXT: unreachable
545 %from_addr = alloca %struct.siginfo_t*
546 %tmp344 = load %struct.siginfo_t*, %struct.siginfo_t** %from_addr, align 8
547 %tmp345 = getelementptr %struct.siginfo_t, %struct.siginfo_t* %tmp344, i32 0, i32 3
548 %tmp346 = getelementptr { { i32, i32, [0 x i8], %struct.sigval_t, i32 }, [88 x i8] }, { { i32, i32, [0 x i8], %struct.sigval_t, i32 }, [88 x i8] }* %tmp345, i32 0, i32 0
549 %tmp346347 = bitcast { i32, i32, [0 x i8], %struct.sigval_t, i32 }* %tmp346 to { i32, i32, %struct.sigval_t }*
550 %tmp348 = getelementptr { i32, i32, %struct.sigval_t }, { i32, i32, %struct.sigval_t }* %tmp346347, i32 0, i32 2
551 %tmp349 = getelementptr %struct.sigval_t, %struct.sigval_t* %tmp348, i32 0, i32 0
552 %tmp349350 = bitcast i8** %tmp349 to i32*
553 %tmp351 = load i32, i32* %tmp349350, align 8
554 %tmp360 = call i32 asm sideeffect "...",
555 "=r,ir,*m,i,0,~{dirflag},~{fpsr},~{flags}"( i32 %tmp351,
556 %struct.__large_struct* null, i32 -14, i32 0 )
561 %struct.x = type <{ i8 }>
562 @.str = internal constant [6 x i8] c"Main!\00"
563 @.str1 = internal constant [12 x i8] c"destroy %p\0A\00"
565 define i32 @test28() nounwind {
566 ; CHECK-LABEL: @test28(
568 ; CHECK-NEXT: [[ORIENTATIONS:%.*]] = alloca [1 x [1 x %struct.x]], align 8
569 ; CHECK-NEXT: [[TMP3:%.*]] = call i32 @puts(i8* noundef nonnull dereferenceable(1) getelementptr inbounds ([6 x i8], [6 x i8]* @.str, i64 0, i64 0)) #[[ATTR0]]
570 ; CHECK-NEXT: br label [[BB10:%.*]]
572 ; CHECK-NEXT: [[INDVAR:%.*]] = phi i32 [ 0, [[ENTRY:%.*]] ], [ [[INDVAR_NEXT:%.*]], [[BB10]] ]
573 ; CHECK-NEXT: [[TMP12_REC:%.*]] = xor i32 [[INDVAR]], -1
574 ; CHECK-NEXT: [[TMP0:%.*]] = sext i32 [[TMP12_REC]] to i64
575 ; CHECK-NEXT: [[TMP12:%.*]] = getelementptr inbounds [1 x [1 x %struct.x]], [1 x [1 x %struct.x]]* [[ORIENTATIONS]], i64 1, i64 0, i64 [[TMP0]]
576 ; CHECK-NEXT: [[TMP16:%.*]] = call i32 (i8*, ...) @printf(i8* noundef nonnull dereferenceable(1) getelementptr inbounds ([12 x i8], [12 x i8]* @.str1, i64 0, i64 0), %struct.x* nonnull [[TMP12]]) #[[ATTR0]]
577 ; CHECK-NEXT: [[TMP84:%.*]] = icmp eq i32 [[INDVAR]], 0
578 ; CHECK-NEXT: [[INDVAR_NEXT]] = add i32 [[INDVAR]], 1
579 ; CHECK-NEXT: br i1 [[TMP84]], label [[BB17:%.*]], label [[BB10]]
581 ; CHECK-NEXT: ret i32 0
584 %orientations = alloca [1 x [1 x %struct.x]]
585 %tmp3 = call i32 @puts( i8* getelementptr ([6 x i8], [6 x i8]* @.str, i32 0, i32 0) ) nounwind
586 %tmp45 = getelementptr inbounds [1 x [1 x %struct.x]], [1 x [1 x %struct.x]]* %orientations, i32 1, i32 0, i32 0
587 %orientations62 = getelementptr [1 x [1 x %struct.x]], [1 x [1 x %struct.x]]* %orientations, i32 0, i32 0, i32 0
591 %indvar = phi i32 [ 0, %entry ], [ %indvar.next, %bb10 ]
592 %tmp.0.reg2mem.0.rec = mul i32 %indvar, -1
593 %tmp12.rec = add i32 %tmp.0.reg2mem.0.rec, -1
594 %tmp12 = getelementptr inbounds %struct.x, %struct.x* %tmp45, i32 %tmp12.rec
595 %tmp16 = call i32 (i8*, ...) @printf( i8* nonnull dereferenceable(1) getelementptr ([12 x i8], [12 x i8]* @.str1, i32 0, i32 0), %struct.x* %tmp12 ) nounwind
596 %tmp84 = icmp eq %struct.x* %tmp12, %orientations62
597 %indvar.next = add i32 %indvar, 1
598 br i1 %tmp84, label %bb17, label %bb10
604 declare i32 @puts(i8*)
606 declare i32 @printf(i8*, ...)
612 %T = type <{ i64, i64, i64 }>
613 define i32 @test29(i8* %start, i32 %X) nounwind {
614 ; CHECK-LABEL: @test29(
616 ; CHECK-NEXT: store i64 poison, i64* null, align 536870912
617 ; CHECK-NEXT: br i1 poison, label [[IF_THEN216:%.*]], label [[IF_END363:%.*]]
619 ; CHECK-NEXT: ret i32 1
621 ; CHECK-NEXT: ret i32 0
624 %tmp3 = load i64, i64* null
625 %add.ptr = getelementptr i8, i8* %start, i64 %tmp3
626 %tmp158 = load i32, i32* null
627 %add.ptr159 = getelementptr %T, %T* null, i32 %tmp158
628 %add.ptr209 = getelementptr i8, i8* %start, i64 0
629 %add.ptr212 = getelementptr i8, i8* %add.ptr209, i32 %X
630 %cmp214 = icmp ugt i8* %add.ptr212, %add.ptr
631 br i1 %cmp214, label %if.then216, label %if.end363
642 define i32 @test30(i32 %m, i32 %n) nounwind {
643 ; CHECK-LABEL: @test30(
645 ; CHECK-NEXT: [[TMP0:%.*]] = zext i32 [[N:%.*]] to i64
646 ; CHECK-NEXT: [[TMP1:%.*]] = alloca i32, i64 [[TMP0]], align 4
647 ; CHECK-NEXT: call void @test30f(i32* nonnull [[TMP1]]) #[[ATTR0]]
648 ; CHECK-NEXT: [[TMP2:%.*]] = sext i32 [[M:%.*]] to i64
649 ; CHECK-NEXT: [[TMP3:%.*]] = getelementptr i32, i32* [[TMP1]], i64 [[TMP2]]
650 ; CHECK-NEXT: [[TMP4:%.*]] = load i32, i32* [[TMP3]], align 4
651 ; CHECK-NEXT: ret i32 [[TMP4]]
654 %0 = alloca i32, i32 %n, align 4
655 %1 = bitcast i32* %0 to [0 x i32]*
656 call void @test30f(i32* %0) nounwind
657 %2 = getelementptr [0 x i32], [0 x i32]* %1, i32 0, i32 %m
658 %3 = load i32, i32* %2, align 4
662 declare void @test30f(i32*)
666 define i1 @test31(i32* %A) {
667 ; CHECK-LABEL: @test31(
668 ; CHECK-NEXT: ret i1 true
670 %B = getelementptr i32, i32* %A, i32 1
671 %C = getelementptr i32, i32* %A, i64 1
672 %V = icmp eq i32* %B, %C
678 define i8* @test32(i8* %v) {
679 ; CHECK-LABEL: @test32(
680 ; CHECK-NEXT: [[A:%.*]] = alloca [4 x i8*], align 16
681 ; CHECK-NEXT: [[B:%.*]] = getelementptr inbounds [4 x i8*], [4 x i8*]* [[A]], i64 0, i64 0
682 ; CHECK-NEXT: store i8* null, i8** [[B]], align 16
683 ; CHECK-NEXT: [[D:%.*]] = getelementptr inbounds [4 x i8*], [4 x i8*]* [[A]], i64 0, i64 1
684 ; CHECK-NEXT: store i8* [[V:%.*]], i8** [[D]], align 8
685 ; CHECK-NEXT: [[F:%.*]] = getelementptr inbounds [4 x i8*], [4 x i8*]* [[A]], i64 0, i64 2
686 ; CHECK-NEXT: [[G:%.*]] = load i8*, i8** [[F]], align 16
687 ; CHECK-NEXT: ret i8* [[G]]
689 %A = alloca [4 x i8*], align 16
690 %B = getelementptr [4 x i8*], [4 x i8*]* %A, i32 0, i32 0
691 store i8* null, i8** %B
692 %C = bitcast [4 x i8*]* %A to { [16 x i8] }*
693 %D = getelementptr { [16 x i8] }, { [16 x i8] }* %C, i32 0, i32 0, i32 8
694 %E = bitcast i8* %D to i8**
695 store i8* %v, i8** %E
696 %F = getelementptr [4 x i8*], [4 x i8*]* %A, i32 0, i32 2
697 %G = load i8*, i8** %F
702 %struct.Key = type { { i32, i32 } }
703 %struct.anon = type <{ i8, [3 x i8], i32 }>
705 define i32* @test33(%struct.Key* %A) {
706 ; CHECK-LABEL: @test33(
707 ; CHECK-NEXT: [[TMP1:%.*]] = getelementptr [[STRUCT_KEY:%.*]], %struct.Key* [[A:%.*]], i64 0, i32 0, i32 1
708 ; CHECK-NEXT: ret i32* [[TMP1]]
710 %B = bitcast %struct.Key* %A to %struct.anon*
711 %C = getelementptr %struct.anon, %struct.anon* %B, i32 0, i32 2
715 define i32 addrspace(1)* @test33_as1(%struct.Key addrspace(1)* %A) {
716 ; CHECK-LABEL: @test33_as1(
717 ; CHECK-NEXT: [[TMP1:%.*]] = getelementptr [[STRUCT_KEY:%.*]], [[STRUCT_KEY]] addrspace(1)* [[A:%.*]], i16 0, i32 0, i32 1
718 ; CHECK-NEXT: ret i32 addrspace(1)* [[TMP1]]
720 %B = bitcast %struct.Key addrspace(1)* %A to %struct.anon addrspace(1)*
721 %C = getelementptr %struct.anon, %struct.anon addrspace(1)* %B, i32 0, i32 2
722 ret i32 addrspace(1)* %C
725 define i32 addrspace(1)* @test33_array_as1([10 x i32] addrspace(1)* %A) {
726 ; CHECK-LABEL: @test33_array_as1(
727 ; CHECK-NEXT: [[C:%.*]] = getelementptr [10 x i32], [10 x i32] addrspace(1)* [[A:%.*]], i16 0, i16 2
728 ; CHECK-NEXT: ret i32 addrspace(1)* [[C]]
730 %B = bitcast [10 x i32] addrspace(1)* %A to [5 x i32] addrspace(1)*
731 %C = getelementptr [5 x i32], [5 x i32] addrspace(1)* %B, i32 0, i32 2
732 ret i32 addrspace(1)* %C
735 ; Make sure the GEP indices use the right pointer sized integer
736 define i32 addrspace(1)* @test33_array_struct_as1([10 x %struct.Key] addrspace(1)* %A) {
737 ; CHECK-LABEL: @test33_array_struct_as1(
738 ; CHECK-NEXT: [[TMP1:%.*]] = getelementptr [10 x %struct.Key], [10 x %struct.Key] addrspace(1)* [[A:%.*]], i16 0, i16 1, i32 0, i32 0
739 ; CHECK-NEXT: ret i32 addrspace(1)* [[TMP1]]
741 %B = bitcast [10 x %struct.Key] addrspace(1)* %A to [20 x i32] addrspace(1)*
742 %C = getelementptr [20 x i32], [20 x i32] addrspace(1)* %B, i32 0, i32 2
743 ret i32 addrspace(1)* %C
746 define i32 addrspace(1)* @test33_addrspacecast(%struct.Key* %A) {
747 ; CHECK-LABEL: @test33_addrspacecast(
748 ; CHECK-NEXT: [[C:%.*]] = getelementptr [[STRUCT_KEY:%.*]], %struct.Key* [[A:%.*]], i64 0, i32 0, i32 1
749 ; CHECK-NEXT: [[TMP1:%.*]] = addrspacecast i32* [[C]] to i32 addrspace(1)*
750 ; CHECK-NEXT: ret i32 addrspace(1)* [[TMP1]]
752 %B = addrspacecast %struct.Key* %A to %struct.anon addrspace(1)*
753 %C = getelementptr %struct.anon, %struct.anon addrspace(1)* %B, i32 0, i32 2
754 ret i32 addrspace(1)* %C
757 %T2 = type { i8*, i8 }
758 define i8* @test34(i8* %Val, i64 %V) nounwind {
759 ; CHECK-LABEL: @test34(
761 ; CHECK-NEXT: [[C_CAST:%.*]] = inttoptr i64 [[V:%.*]] to i8*
762 ; CHECK-NEXT: ret i8* [[C_CAST]]
765 %A = alloca %T2, align 8
766 %mrv_gep = bitcast %T2* %A to i64*
767 %B = getelementptr %T2, %T2* %A, i64 0, i32 0
769 store i64 %V, i64* %mrv_gep
770 %C = load i8*, i8** %B, align 8
774 %t0 = type { i8*, [19 x i8] }
775 %t1 = type { i8*, [0 x i8] }
777 @array = external global [11 x i8]
779 @s = external global %t0
780 @"\01LC8" = external constant [17 x i8]
782 ; Instcombine should be able to fold this getelementptr.
784 define i32 @test35() nounwind {
785 ; CHECK-LABEL: @test35(
786 ; CHECK-NEXT: [[TMP1:%.*]] = call i32 (i8*, ...) @printf(i8* noundef nonnull dereferenceable(1) getelementptr inbounds ([17 x i8], [17 x i8]* @"\01LC8", i64 0, i64 0), i8* getelementptr inbounds ([[T0:%.*]], %t0* @s, i64 0, i32 1, i64 0)) #[[ATTR0]]
787 ; CHECK-NEXT: ret i32 0
789 call i32 (i8*, ...) @printf(i8* getelementptr ([17 x i8], [17 x i8]* @"\01LC8", i32 0, i32 0),
790 i8* getelementptr (%t1, %t1* bitcast (%t0* @s to %t1*), i32 0, i32 1, i32 0)) nounwind
794 ; Don't treat signed offsets as unsigned.
795 define i8* @test36() nounwind {
796 ; CHECK-LABEL: @test36(
797 ; CHECK-NEXT: ret i8* getelementptr ([11 x i8], [11 x i8]* @array, i64 0, i64 -1)
799 ret i8* getelementptr ([11 x i8], [11 x i8]* @array, i32 0, i64 -1)
802 ; Instcombine shouldn't assume that gep(A,0,1) != gep(A,1,0).
803 @A37 = external constant [1 x i8]
804 define i1 @test37() nounwind {
805 ; CHECK-LABEL: @test37(
806 ; CHECK-NEXT: ret i1 true
808 %t = icmp eq i8* getelementptr ([1 x i8], [1 x i8]* @A37, i64 0, i64 1),
809 getelementptr ([1 x i8], [1 x i8]* @A37, i64 1, i64 0)
813 ; Test index promotion
814 define i32* @test38(i32* %I, i32 %n) {
815 ; CHECK-LABEL: @test38(
816 ; CHECK-NEXT: [[TMP1:%.*]] = sext i32 [[N:%.*]] to i64
817 ; CHECK-NEXT: [[A:%.*]] = getelementptr i32, i32* [[I:%.*]], i64 [[TMP1]]
818 ; CHECK-NEXT: ret i32* [[A]]
820 %A = getelementptr i32, i32* %I, i32 %n
824 ; Test that we don't duplicate work when the second gep is a "bitcast".
825 %pr10322_t = type { i8* }
826 declare void @pr10322_f2(%pr10322_t*)
827 declare void @pr10322_f3(i8**)
828 define void @pr10322_f1(%pr10322_t* %foo) {
829 ; CHECK-LABEL: @pr10322_f1(
831 ; CHECK-NEXT: [[ARRAYIDX8:%.*]] = getelementptr inbounds [[PR10322_T:%.*]], %pr10322_t* [[FOO:%.*]], i64 2
832 ; CHECK-NEXT: call void @pr10322_f2(%pr10322_t* nonnull [[ARRAYIDX8]]) #[[ATTR0]]
833 ; CHECK-NEXT: [[TMP2:%.*]] = getelementptr inbounds [[PR10322_T]], %pr10322_t* [[ARRAYIDX8]], i64 0, i32 0
834 ; CHECK-NEXT: call void @pr10322_f3(i8** nonnull [[TMP2]]) #[[ATTR0]]
835 ; CHECK-NEXT: ret void
838 %arrayidx8 = getelementptr inbounds %pr10322_t, %pr10322_t* %foo, i64 2
839 call void @pr10322_f2(%pr10322_t* %arrayidx8) nounwind
840 %tmp2 = getelementptr inbounds %pr10322_t, %pr10322_t* %arrayidx8, i64 0, i32 0
841 call void @pr10322_f3(i8** %tmp2) nounwind
846 ; Test that we combine the last two geps in this sequence, before we
847 ; would wait for gep1 and gep2 to be combined and never combine 2 and 3.
848 %three_gep_t = type {i32}
849 %three_gep_t2 = type {%three_gep_t}
851 define void @three_gep_f(%three_gep_t2* %x) {
852 ; CHECK-LABEL: @three_gep_f(
853 ; CHECK-NEXT: [[GEP1:%.*]] = getelementptr [[THREE_GEP_T2:%.*]], %three_gep_t2* [[X:%.*]], i64 2
854 ; CHECK-NEXT: call void @three_gep_h(%three_gep_t2* [[GEP1]])
855 ; CHECK-NEXT: [[GEP3:%.*]] = getelementptr [[THREE_GEP_T2]], %three_gep_t2* [[GEP1]], i64 0, i32 0, i32 0
856 ; CHECK-NEXT: call void @three_gep_g(i32* [[GEP3]])
857 ; CHECK-NEXT: ret void
859 %gep1 = getelementptr %three_gep_t2, %three_gep_t2* %x, i64 2
860 call void @three_gep_h(%three_gep_t2* %gep1)
861 %gep2 = getelementptr %three_gep_t2, %three_gep_t2* %gep1, i64 0, i32 0
862 %gep3 = getelementptr %three_gep_t, %three_gep_t* %gep2, i64 0, i32 0
863 call void @three_gep_g(i32* %gep3)
868 declare void @three_gep_g(i32*)
869 declare void @three_gep_h(%three_gep_t2*)
871 %struct.ham = type { i32, %struct.zot*, %struct.zot*, %struct.zot* }
872 %struct.zot = type { i64, i8 }
874 define void @test39(%struct.ham* %arg, i8 %arg1) nounwind {
875 ; CHECK-LABEL: @test39(
876 ; CHECK-NEXT: [[TMP:%.*]] = getelementptr inbounds [[STRUCT_HAM:%.*]], %struct.ham* [[ARG:%.*]], i64 0, i32 2
877 ; CHECK-NEXT: [[TMP1:%.*]] = bitcast %struct.zot** [[TMP]] to i8**
878 ; CHECK-NEXT: [[TMP21:%.*]] = load i8*, i8** [[TMP1]], align 8
879 ; CHECK-NEXT: [[TMP4:%.*]] = getelementptr inbounds i8, i8* [[TMP21]], i64 -8
880 ; CHECK-NEXT: store i8 [[ARG1:%.*]], i8* [[TMP4]], align 8
881 ; CHECK-NEXT: ret void
883 %tmp = getelementptr inbounds %struct.ham, %struct.ham* %arg, i64 0, i32 2
884 %tmp2 = load %struct.zot*, %struct.zot** %tmp, align 8
885 %tmp3 = bitcast %struct.zot* %tmp2 to i8*
886 %tmp4 = getelementptr inbounds i8, i8* %tmp3, i64 -8
887 store i8 %arg1, i8* %tmp4, align 8
892 define i1 @pr16483([1 x i8]* %a, [1 x i8]* %b) {
893 ; CHECK-LABEL: @pr16483(
894 ; CHECK-NEXT: [[CMP:%.*]] = icmp ult [1 x i8]* [[A:%.*]], [[B:%.*]]
895 ; CHECK-NEXT: ret i1 [[CMP]]
897 %c = getelementptr [1 x i8], [1 x i8]* %a, i32 0, i32 0
898 %d = getelementptr [1 x i8], [1 x i8]* %b, i32 0, i32 0
899 %cmp = icmp ult i8* %c, %d
904 define i8 @test_gep_bitcast_as1(i32 addrspace(1)* %arr, i16 %N) {
905 ; CHECK-LABEL: @test_gep_bitcast_as1(
906 ; CHECK-NEXT: [[T1:%.*]] = getelementptr i32, i32 addrspace(1)* [[ARR:%.*]], i16 [[N:%.*]]
907 ; CHECK-NEXT: [[T:%.*]] = bitcast i32 addrspace(1)* [[T1]] to i8 addrspace(1)*
908 ; CHECK-NEXT: [[X:%.*]] = load i8, i8 addrspace(1)* [[T]], align 1
909 ; CHECK-NEXT: ret i8 [[X]]
911 %cast = bitcast i32 addrspace(1)* %arr to i8 addrspace(1)*
913 %t = getelementptr i8, i8 addrspace(1)* %cast, i16 %V
914 %x = load i8, i8 addrspace(1)* %t
918 ; The element size of the array matches the element size of the pointer
919 define i64 @test_gep_bitcast_array_same_size_element([100 x double]* %arr, i64 %N) {
920 ; CHECK-LABEL: @test_gep_bitcast_array_same_size_element(
921 ; CHECK-NEXT: [[V:%.*]] = shl i64 [[N:%.*]], 3
922 ; CHECK-NEXT: [[T1:%.*]] = getelementptr [100 x double], [100 x double]* [[ARR:%.*]], i64 0, i64 [[V]]
923 ; CHECK-NEXT: [[T:%.*]] = bitcast double* [[T1]] to i64*
924 ; CHECK-NEXT: [[X:%.*]] = load i64, i64* [[T]], align 4
925 ; CHECK-NEXT: ret i64 [[X]]
927 %cast = bitcast [100 x double]* %arr to i64*
929 %t = getelementptr i64, i64* %cast, i64 %V
930 %x = load i64, i64* %t
934 ; gep should be done in the original address space.
935 define i64 @test_gep_bitcast_array_same_size_element_addrspacecast([100 x double]* %arr, i64 %N) {
936 ; CHECK-LABEL: @test_gep_bitcast_array_same_size_element_addrspacecast(
937 ; CHECK-NEXT: [[V:%.*]] = shl i64 [[N:%.*]], 3
938 ; CHECK-NEXT: [[T1:%.*]] = getelementptr [100 x double], [100 x double]* [[ARR:%.*]], i64 0, i64 [[V]]
939 ; CHECK-NEXT: [[TMP1:%.*]] = bitcast double* [[T1]] to i64*
940 ; CHECK-NEXT: [[T:%.*]] = addrspacecast i64* [[TMP1]] to i64 addrspace(3)*
941 ; CHECK-NEXT: [[X:%.*]] = load i64, i64 addrspace(3)* [[T]], align 4
942 ; CHECK-NEXT: ret i64 [[X]]
944 %cast = addrspacecast [100 x double]* %arr to i64 addrspace(3)*
946 %t = getelementptr i64, i64 addrspace(3)* %cast, i64 %V
947 %x = load i64, i64 addrspace(3)* %t
951 ; The element size of the array is different the element size of the pointer
952 define i8 @test_gep_bitcast_array_different_size_element([100 x double]* %arr, i64 %N) {
953 ; CHECK-LABEL: @test_gep_bitcast_array_different_size_element(
954 ; CHECK-NEXT: [[T1:%.*]] = getelementptr [100 x double], [100 x double]* [[ARR:%.*]], i64 0, i64 [[N:%.*]]
955 ; CHECK-NEXT: [[T:%.*]] = bitcast double* [[T1]] to i8*
956 ; CHECK-NEXT: [[X:%.*]] = load i8, i8* [[T]], align 1
957 ; CHECK-NEXT: ret i8 [[X]]
959 %cast = bitcast [100 x double]* %arr to i8*
961 %t = getelementptr i8, i8* %cast, i64 %V
966 define i64 @test_gep_bitcast_array_same_size_element_as1([100 x double] addrspace(1)* %arr, i16 %N) {
967 ; CHECK-LABEL: @test_gep_bitcast_array_same_size_element_as1(
968 ; CHECK-NEXT: [[V:%.*]] = shl i16 [[N:%.*]], 3
969 ; CHECK-NEXT: [[T1:%.*]] = getelementptr [100 x double], [100 x double] addrspace(1)* [[ARR:%.*]], i16 0, i16 [[V]]
970 ; CHECK-NEXT: [[T:%.*]] = bitcast double addrspace(1)* [[T1]] to i64 addrspace(1)*
971 ; CHECK-NEXT: [[X:%.*]] = load i64, i64 addrspace(1)* [[T]], align 4
972 ; CHECK-NEXT: ret i64 [[X]]
974 %cast = bitcast [100 x double] addrspace(1)* %arr to i64 addrspace(1)*
976 %t = getelementptr i64, i64 addrspace(1)* %cast, i16 %V
977 %x = load i64, i64 addrspace(1)* %t
981 define i8 @test_gep_bitcast_array_different_size_element_as1([100 x double] addrspace(1)* %arr, i16 %N) {
982 ; CHECK-LABEL: @test_gep_bitcast_array_different_size_element_as1(
983 ; CHECK-NEXT: [[T1:%.*]] = getelementptr [100 x double], [100 x double] addrspace(1)* [[ARR:%.*]], i16 0, i16 [[N:%.*]]
984 ; CHECK-NEXT: [[T:%.*]] = bitcast double addrspace(1)* [[T1]] to i8 addrspace(1)*
985 ; CHECK-NEXT: [[X:%.*]] = load i8, i8 addrspace(1)* [[T]], align 1
986 ; CHECK-NEXT: ret i8 [[X]]
988 %cast = bitcast [100 x double] addrspace(1)* %arr to i8 addrspace(1)*
990 %t = getelementptr i8, i8 addrspace(1)* %cast, i16 %V
991 %x = load i8, i8 addrspace(1)* %t
995 define i64 @test40() {
996 ; CHECK-LABEL: @test40(
997 ; CHECK-NEXT: ret i64 8
999 %array = alloca [3 x i32], align 4
1000 %gep = getelementptr inbounds [3 x i32], [3 x i32]* %array, i64 0, i64 2
1001 %gepi8 = bitcast i32* %gep to i8*
1002 %p = ptrtoint [3 x i32]* %array to i64
1004 %gep2 = getelementptr i8, i8* %gepi8, i64 %np
1005 %ret = ptrtoint i8* %gep2 to i64
1010 define i16 @test41([3 x i32] addrspace(1)* %array) {
1011 ; CHECK-LABEL: @test41(
1012 ; CHECK-NEXT: ret i16 8
1014 %gep = getelementptr inbounds [3 x i32], [3 x i32] addrspace(1)* %array, i16 0, i16 2
1015 %gepi8 = bitcast i32 addrspace(1)* %gep to i8 addrspace(1)*
1016 %p = ptrtoint [3 x i32] addrspace(1)* %array to i16
1018 %gep2 = getelementptr i8, i8 addrspace(1)* %gepi8, i16 %np
1019 %ret = ptrtoint i8 addrspace(1)* %gep2 to i16
1024 define i8* @test42i(i8* %c1, i8* %c2) {
1025 ; CHECK-LABEL: @test42i(
1026 ; CHECK-NEXT: [[PTRTOINT:%.*]] = ptrtoint i8* [[C1:%.*]] to i64
1027 ; CHECK-NEXT: [[SUB:%.*]] = sub i64 0, [[PTRTOINT]]
1028 ; CHECK-NEXT: [[GEP:%.*]] = getelementptr inbounds i8, i8* [[C2:%.*]], i64 [[SUB]]
1029 ; CHECK-NEXT: ret i8* [[GEP]]
1031 %ptrtoint = ptrtoint i8* %c1 to i64
1032 %sub = sub i64 0, %ptrtoint
1033 %gep = getelementptr inbounds i8, i8* %c2, i64 %sub
1038 define i8* @test42(i8* %c1, i8* %c2) {
1039 ; CHECK-LABEL: @test42(
1040 ; CHECK-NEXT: [[PTRTOINT:%.*]] = ptrtoint i8* [[C1:%.*]] to i64
1041 ; CHECK-NEXT: [[SUB:%.*]] = sub i64 0, [[PTRTOINT]]
1042 ; CHECK-NEXT: [[GEP:%.*]] = getelementptr i8, i8* [[C2:%.*]], i64 [[SUB]]
1043 ; CHECK-NEXT: ret i8* [[GEP]]
1045 %ptrtoint = ptrtoint i8* %c1 to i64
1046 %sub = sub i64 0, %ptrtoint
1047 %gep = getelementptr i8, i8* %c2, i64 %sub
1052 define i16* @test43i(i16* %c1, i16* %c2) {
1053 ; CHECK-LABEL: @test43i(
1054 ; CHECK-NEXT: [[PTRTOINT:%.*]] = ptrtoint i16* [[C1:%.*]] to i64
1055 ; CHECK-NEXT: [[SUB:%.*]] = sub i64 0, [[PTRTOINT]]
1056 ; CHECK-NEXT: [[SHR:%.*]] = ashr i64 [[SUB]], 1
1057 ; CHECK-NEXT: [[GEP:%.*]] = getelementptr inbounds i16, i16* [[C2:%.*]], i64 [[SHR]]
1058 ; CHECK-NEXT: ret i16* [[GEP]]
1060 %ptrtoint = ptrtoint i16* %c1 to i64
1061 %sub = sub i64 0, %ptrtoint
1062 %shr = ashr i64 %sub, 1
1063 %gep = getelementptr inbounds i16, i16* %c2, i64 %shr
1068 define %struct.C* @test44i(%struct.C* %c1, %struct.C* %c2) {
1069 ; CHECK-LABEL: @test44i(
1070 ; CHECK-NEXT: [[PTRTOINT:%.*]] = ptrtoint %struct.C* [[C1:%.*]] to i64
1071 ; CHECK-NEXT: [[SUB:%.*]] = sub i64 0, [[PTRTOINT]]
1072 ; CHECK-NEXT: [[SHR:%.*]] = sdiv i64 [[SUB]], 7
1073 ; CHECK-NEXT: [[GEP:%.*]] = getelementptr inbounds [[STRUCT_C:%.*]], %struct.C* [[C2:%.*]], i64 [[SHR]]
1074 ; CHECK-NEXT: ret %struct.C* [[GEP]]
1076 %ptrtoint = ptrtoint %struct.C* %c1 to i64
1077 %sub = sub i64 0, %ptrtoint
1078 %shr = sdiv i64 %sub, 7
1079 %gep = getelementptr inbounds %struct.C, %struct.C* %c2, i64 %shr
1084 define %struct.C* @test45(%struct.C* %c1, %struct.C** %c2) {
1085 ; CHECK-LABEL: @test45(
1086 ; CHECK-NEXT: [[PTRTOINT1:%.*]] = ptrtoint %struct.C* [[C1:%.*]] to i64
1087 ; CHECK-NEXT: [[PTRTOINT2:%.*]] = ptrtoint %struct.C** [[C2:%.*]] to i64
1088 ; CHECK-NEXT: [[SUB:%.*]] = sub i64 [[PTRTOINT2]], [[PTRTOINT1]]
1089 ; CHECK-NEXT: [[SHR:%.*]] = sdiv i64 [[SUB]], 7
1090 ; CHECK-NEXT: [[GEP:%.*]] = getelementptr inbounds [[STRUCT_C:%.*]], %struct.C* [[C1]], i64 [[SHR]]
1091 ; CHECK-NEXT: ret %struct.C* [[GEP]]
1093 %ptrtoint1 = ptrtoint %struct.C* %c1 to i64
1094 %ptrtoint2 = ptrtoint %struct.C** %c2 to i64
1095 %sub = sub i64 %ptrtoint2, %ptrtoint1 ; C2 - C1
1096 %shr = sdiv i64 %sub, 7
1097 %gep = getelementptr inbounds %struct.C, %struct.C* %c1, i64 %shr ; C1 + (C2 - C1)
1101 define %struct.C* @test46(%struct.C* %c1, %struct.C* %c2, i64 %N) {
1102 ; CHECK-LABEL: @test46(
1103 ; CHECK-NEXT: [[PTRTOINT:%.*]] = ptrtoint %struct.C* [[C1:%.*]] to i64
1104 ; CHECK-NEXT: [[SUB:%.*]] = sub i64 0, [[PTRTOINT]]
1105 ; CHECK-NEXT: [[SDIV:%.*]] = sdiv i64 [[SUB]], [[N:%.*]]
1106 ; CHECK-NEXT: [[GEP:%.*]] = getelementptr inbounds [[STRUCT_C:%.*]], %struct.C* [[C2:%.*]], i64 [[SDIV]]
1107 ; CHECK-NEXT: ret %struct.C* [[GEP]]
1109 %ptrtoint = ptrtoint %struct.C* %c1 to i64
1110 %sub = sub i64 0, %ptrtoint
1111 %sdiv = sdiv i64 %sub, %N
1112 %gep = getelementptr inbounds %struct.C, %struct.C* %c2, i64 %sdiv
1117 define i32* @test47(i32* %I, i64 %C, i64 %D) {
1118 ; CHECK-LABEL: @test47(
1119 ; CHECK-NEXT: [[B:%.*]] = getelementptr i32, i32* [[I:%.*]], i64 [[D:%.*]]
1120 ; CHECK-NEXT: ret i32* [[B]]
1122 %sub = sub i64 %D, %C
1123 %A = getelementptr i32, i32* %I, i64 %C
1124 %B = getelementptr i32, i32* %A, i64 %sub
1128 define i32* @test48(i32* %I, i64 %C, i64 %D) {
1129 ; CHECK-LABEL: @test48(
1130 ; CHECK-NEXT: [[B:%.*]] = getelementptr i32, i32* [[I:%.*]], i64 [[D:%.*]]
1131 ; CHECK-NEXT: ret i32* [[B]]
1133 %sub = sub i64 %D, %C
1134 %A = getelementptr i32, i32* %I, i64 %sub
1135 %B = getelementptr i32, i32* %A, i64 %C
1139 define i32* @test49(i32* %I, i64 %C) {
1140 ; CHECK-LABEL: @test49(
1141 ; CHECK-NEXT: [[B:%.*]] = getelementptr i32, i32* [[I:%.*]], i64 -1
1142 ; CHECK-NEXT: ret i32* [[B]]
1144 %notC = xor i64 -1, %C
1145 %A = getelementptr i32, i32* %I, i64 %C
1146 %B = getelementptr i32, i32* %A, i64 %notC
1150 define i32 addrspace(1)* @ascast_0_gep(i32* %p) nounwind {
1151 ; CHECK-LABEL: @ascast_0_gep(
1152 ; CHECK-NEXT: [[X:%.*]] = addrspacecast i32* [[P:%.*]] to i32 addrspace(1)*
1153 ; CHECK-NEXT: ret i32 addrspace(1)* [[X]]
1155 %gep = getelementptr i32, i32* %p, i32 0
1156 %x = addrspacecast i32* %gep to i32 addrspace(1)*
1157 ret i32 addrspace(1)* %x
1160 ; Do not merge the GEP and the addrspacecast, because it would undo the
1161 ; addrspacecast canonicalization.
1162 define i32 addrspace(1)* @ascast_0_0_gep([128 x i32]* %p) nounwind {
1163 ; CHECK-LABEL: @ascast_0_0_gep(
1164 ; CHECK-NEXT: [[GEP:%.*]] = getelementptr [128 x i32], [128 x i32]* [[P:%.*]], i64 0, i64 0
1165 ; CHECK-NEXT: [[X:%.*]] = addrspacecast i32* [[GEP]] to i32 addrspace(1)*
1166 ; CHECK-NEXT: ret i32 addrspace(1)* [[X]]
1168 %gep = getelementptr [128 x i32], [128 x i32]* %p, i32 0, i32 0
1169 %x = addrspacecast i32* %gep to i32 addrspace(1)*
1170 ret i32 addrspace(1)* %x
1173 define <2 x i32*> @PR32414(i32** %ptr) {
1174 ; CHECK-LABEL: @PR32414(
1175 ; CHECK-NEXT: [[TMP0:%.*]] = bitcast i32** [[PTR:%.*]] to i32*
1176 ; CHECK-NEXT: [[TMP1:%.*]] = getelementptr inbounds i32, i32* [[TMP0]], <2 x i64> <i64 0, i64 1>
1177 ; CHECK-NEXT: ret <2 x i32*> [[TMP1]]
1179 %tmp0 = bitcast i32** %ptr to i32*
1180 %tmp1 = getelementptr inbounds i32, i32* %tmp0, <2 x i64> <i64 0, i64 1>
1181 ret <2 x i32*> %tmp1
1184 define i32* @test_bitcast_nzgep([1 x i32]* %base, i64 %idx) {
1185 ; CHECK-LABEL: @test_bitcast_nzgep(
1186 ; CHECK-NEXT: [[PTR:%.*]] = getelementptr inbounds [1 x i32], [1 x i32]* [[BASE:%.*]], i64 0, i64 [[IDX:%.*]]
1187 ; CHECK-NEXT: ret i32* [[PTR]]
1189 %base2 = bitcast [1 x i32]* %base to i32*
1190 %ptr = getelementptr inbounds i32, i32* %base2, i64 %idx
1194 define i32* @test_zgep_nzgep([1 x i32]* %base, i64 %idx) {
1195 ; CHECK-LABEL: @test_zgep_nzgep(
1196 ; CHECK-NEXT: [[PTR:%.*]] = getelementptr inbounds [1 x i32], [1 x i32]* [[BASE:%.*]], i64 0, i64 [[IDX:%.*]]
1197 ; CHECK-NEXT: ret i32* [[PTR]]
1199 %base2 = getelementptr [1 x i32], [1 x i32]* %base, i64 0, i64 0
1200 %ptr = getelementptr inbounds i32, i32* %base2, i64 %idx
1204 define i32* @test_nzgep_zgep([1 x i32]* %base, i64 %idx) {
1205 ; CHECK-LABEL: @test_nzgep_zgep(
1206 ; CHECK-NEXT: [[PTR:%.*]] = getelementptr inbounds [1 x i32], [1 x i32]* [[BASE:%.*]], i64 [[IDX:%.*]], i64 0
1207 ; CHECK-NEXT: ret i32* [[PTR]]
1209 %base2 = getelementptr inbounds [1 x i32], [1 x i32]* %base, i64 %idx
1210 %ptr = getelementptr [1 x i32], [1 x i32]* %base2, i64 0, i64 0
1214 define i32* @test_gep_inbounds_of_gep(i32* %base) {
1215 ; CHECK-LABEL: @test_gep_inbounds_of_gep(
1216 ; CHECK-NEXT: [[PTR2:%.*]] = getelementptr i32, i32* [[BASE:%.*]], i64 8
1217 ; CHECK-NEXT: ret i32* [[PTR2]]
1219 %ptr1 = getelementptr i32, i32* %base, i64 4
1220 %ptr2 = getelementptr inbounds i32, i32* %ptr1, i64 4
1224 %struct.f = type { i32 }
1226 @g0 = internal unnamed_addr constant %struct.f zeroinitializer, align 4
1227 @g1 = internal unnamed_addr constant %struct.f { i32 -1 }, align 4
1229 define i32* @PR45084(i1 %cond) {
1230 ; CHECK-LABEL: @PR45084(
1231 ; CHECK-NEXT: [[GEP:%.*]] = select i1 [[COND:%.*]], i32* getelementptr inbounds ([[STRUCT_F:%.*]], %struct.f* @g0, i64 0, i32 0), i32* getelementptr inbounds ([[STRUCT_F]], %struct.f* @g1, i64 0, i32 0), !prof [[PROF0:![0-9]+]]
1232 ; CHECK-NEXT: ret i32* [[GEP]]
1234 %sel = select i1 %cond, %struct.f* @g0, %struct.f* @g1, !prof !0
1235 %gep = getelementptr inbounds %struct.f, %struct.f* %sel, i64 0, i32 0
1239 define i32* @PR45084_extra_use(i1 %cond, %struct.f** %p) {
1240 ; CHECK-LABEL: @PR45084_extra_use(
1241 ; CHECK-NEXT: [[SEL:%.*]] = select i1 [[COND:%.*]], %struct.f* @g0, %struct.f* @g1
1242 ; CHECK-NEXT: store %struct.f* [[SEL]], %struct.f** [[P:%.*]], align 8
1243 ; CHECK-NEXT: [[GEP:%.*]] = select i1 [[COND]], i32* getelementptr inbounds ([[STRUCT_F:%.*]], %struct.f* @g0, i64 0, i32 0), i32* getelementptr inbounds ([[STRUCT_F]], %struct.f* @g1, i64 0, i32 0)
1244 ; CHECK-NEXT: ret i32* [[GEP]]
1246 %sel = select i1 %cond, %struct.f* @g0, %struct.f* @g1
1247 store %struct.f* %sel, %struct.f** %p
1248 %gep = getelementptr %struct.f, %struct.f* %sel, i64 0, i32 0
1252 define i8* @gep_null_inbounds(i64 %idx) {
1253 ; CHECK-LABEL: @gep_null_inbounds(
1254 ; CHECK-NEXT: [[GEP:%.*]] = getelementptr inbounds i8, i8* null, i64 [[IDX:%.*]]
1255 ; CHECK-NEXT: ret i8* [[GEP]]
1257 %gep = getelementptr inbounds i8, i8* null, i64 %idx
1261 define i8* @gep_null_not_inbounds(i64 %idx) {
1262 ; CHECK-LABEL: @gep_null_not_inbounds(
1263 ; CHECK-NEXT: [[GEP:%.*]] = getelementptr i8, i8* null, i64 [[IDX:%.*]]
1264 ; CHECK-NEXT: ret i8* [[GEP]]
1266 %gep = getelementptr i8, i8* null, i64 %idx
1270 define i8* @gep_null_defined(i64 %idx) null_pointer_is_valid {
1271 ; CHECK-LABEL: @gep_null_defined(
1272 ; CHECK-NEXT: [[GEP:%.*]] = getelementptr inbounds i8, i8* null, i64 [[IDX:%.*]]
1273 ; CHECK-NEXT: ret i8* [[GEP]]
1275 %gep = getelementptr inbounds i8, i8* null, i64 %idx
1279 define i8* @gep_null_inbounds_different_type(i64 %idx1, i64 %idx2) {
1280 ; CHECK-LABEL: @gep_null_inbounds_different_type(
1281 ; CHECK-NEXT: [[GEP:%.*]] = getelementptr inbounds [0 x i8], [0 x i8]* null, i64 0, i64 [[IDX2:%.*]]
1282 ; CHECK-NEXT: ret i8* [[GEP]]
1284 %gep = getelementptr inbounds [0 x i8], [0 x i8]* null, i64 %idx1, i64 %idx2
1288 define i8* @D98588(i8* %c1, i64 %offset) {
1289 ; CHECK-LABEL: @D98588(
1290 ; CHECK-NEXT: [[C2:%.*]] = bitcast i8* [[C1:%.*]] to i64*
1291 ; CHECK-NEXT: [[C2_NEXT:%.*]] = getelementptr inbounds i64, i64* [[C2]], i64 [[OFFSET:%.*]]
1292 ; CHECK-NEXT: [[GEP:%.*]] = bitcast i64* [[C2_NEXT]] to i8*
1293 ; CHECK-NEXT: ret i8* [[GEP]]
1295 %c2 = bitcast i8* %c1 to i64*
1296 %c2_next = getelementptr inbounds i64, i64* %c2, i64 %offset
1297 %ptrtoint1 = ptrtoint i8* %c1 to i64
1298 %ptrtoint2 = ptrtoint i64* %c2_next to i64
1299 %sub = sub i64 %ptrtoint2, %ptrtoint1 ; C2 - C1
1300 %gep = getelementptr inbounds i8, i8* %c1, i64 %sub ; C1 + (C2 - C1)
1304 declare noalias i8* @malloc(i64) nounwind
1306 define i32 @test_gep_bitcast_malloc(%struct.A* %a) {
1307 ; CHECK-LABEL: @test_gep_bitcast_malloc(
1308 ; CHECK-NEXT: entry:
1309 ; CHECK-NEXT: [[CALL:%.*]] = call noalias dereferenceable_or_null(16) i8* @malloc(i64 16)
1310 ; CHECK-NEXT: [[B:%.*]] = bitcast i8* [[CALL]] to %struct.A*
1311 ; CHECK-NEXT: [[G3:%.*]] = getelementptr [[STRUCT_A:%.*]], %struct.A* [[B]], i64 0, i32 2
1312 ; CHECK-NEXT: [[A_C:%.*]] = load i32, i32* [[G3]], align 4
1313 ; CHECK-NEXT: ret i32 [[A_C]]
1316 %call = call noalias i8* @malloc(i64 16) #2
1317 %B = bitcast i8* %call to %struct.A*
1318 %g3 = getelementptr %struct.A, %struct.A* %B, i32 0, i32 2
1319 %a_c = load i32, i32* %g3, align 4
1323 !0 = !{!"branch_weights", i32 2, i32 10}