1 ; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
2 ; RUN: opt -S -instcombine %s -o - | FileCheck %s
3 target datalayout = "e-p:32:32:32-p1:64:64:64-p2:8:8:8-p3:16:16:16-p4:16:16:16-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:32:32"
5 @g = addrspace(3) global i32 89
7 @const_zero_i8_as1 = addrspace(1) constant i8 0
8 @const_zero_i32_as1 = addrspace(1) constant i32 0
10 @const_zero_i8_as2 = addrspace(2) constant i8 0
11 @const_zero_i32_as2 = addrspace(2) constant i32 0
13 @const_zero_i8_as3 = addrspace(3) constant i8 0
14 @const_zero_i32_as3 = addrspace(3) constant i32 0
16 ; Test constant folding of inttoptr (ptrtoint constantexpr)
17 ; The intermediate integer size is the same as the pointer size
18 define i32 addrspace(3)* @test_constant_fold_inttoptr_as_pointer_same_size() {
19 ; CHECK-LABEL: @test_constant_fold_inttoptr_as_pointer_same_size(
20 ; CHECK-NEXT: ret i32 addrspace(3)* @const_zero_i32_as3
22 %x = ptrtoint i32 addrspace(3)* @const_zero_i32_as3 to i32
23 %y = inttoptr i32 %x to i32 addrspace(3)*
24 ret i32 addrspace(3)* %y
27 ; The intermediate integer size is larger than the pointer size
28 define i32 addrspace(2)* @test_constant_fold_inttoptr_as_pointer_smaller() {
29 ; CHECK-LABEL: @test_constant_fold_inttoptr_as_pointer_smaller(
30 ; CHECK-NEXT: ret i32 addrspace(2)* @const_zero_i32_as2
32 %x = ptrtoint i32 addrspace(2)* @const_zero_i32_as2 to i16
33 %y = inttoptr i16 %x to i32 addrspace(2)*
34 ret i32 addrspace(2)* %y
37 ; Different address spaces that are the same size, but they are
38 ; different so nothing should happen
39 define i32 addrspace(4)* @test_constant_fold_inttoptr_as_pointer_smaller_different_as() {
40 ; CHECK-LABEL: @test_constant_fold_inttoptr_as_pointer_smaller_different_as(
41 ; CHECK-NEXT: ret i32 addrspace(4)* inttoptr (i16 ptrtoint (i32 addrspace(3)* @const_zero_i32_as3 to i16) to i32 addrspace(4)*)
43 %x = ptrtoint i32 addrspace(3)* @const_zero_i32_as3 to i16
44 %y = inttoptr i16 %x to i32 addrspace(4)*
45 ret i32 addrspace(4)* %y
48 ; Make sure we don't introduce a bitcast between different sized
49 ; address spaces when folding this
50 define i32 addrspace(2)* @test_constant_fold_inttoptr_as_pointer_smaller_different_size_as() {
51 ; CHECK-LABEL: @test_constant_fold_inttoptr_as_pointer_smaller_different_size_as(
52 ; CHECK-NEXT: ret i32 addrspace(2)* inttoptr (i32 ptrtoint (i32 addrspace(3)* @const_zero_i32_as3 to i32) to i32 addrspace(2)*)
54 %x = ptrtoint i32 addrspace(3)* @const_zero_i32_as3 to i32
55 %y = inttoptr i32 %x to i32 addrspace(2)*
56 ret i32 addrspace(2)* %y
59 ; The intermediate integer size is too small, nothing should happen
60 define i32 addrspace(3)* @test_constant_fold_inttoptr_as_pointer_larger() {
61 ; CHECK-LABEL: @test_constant_fold_inttoptr_as_pointer_larger(
62 ; CHECK-NEXT: ret i32 addrspace(3)* inttoptr (i8 ptrtoint (i32 addrspace(3)* @const_zero_i32_as3 to i8) to i32 addrspace(3)*)
64 %x = ptrtoint i32 addrspace(3)* @const_zero_i32_as3 to i8
65 %y = inttoptr i8 %x to i32 addrspace(3)*
66 ret i32 addrspace(3)* %y
69 define i8 @const_fold_ptrtoint() {
70 ; CHECK-LABEL: @const_fold_ptrtoint(
71 ; CHECK-NEXT: ret i8 4
73 ret i8 ptrtoint (i32 addrspace(2)* inttoptr (i4 4 to i32 addrspace(2)*) to i8)
76 ; Test that mask happens when the destination pointer is smaller than
78 define i8 @const_fold_ptrtoint_mask() {
79 ; CHECK-LABEL: @const_fold_ptrtoint_mask(
80 ; CHECK-NEXT: ret i8 1
82 ret i8 ptrtoint (i32 addrspace(3)* inttoptr (i32 257 to i32 addrspace(3)*) to i8)
85 ; Address space 0 is too small for the correct mask, should mask with
86 ; 64-bits instead of 32
87 define i64 @const_fold_ptrtoint_mask_small_as0() {
88 ; CHECK-LABEL: @const_fold_ptrtoint_mask_small_as0(
89 ; CHECK-NEXT: ret i64 -1
91 ret i64 ptrtoint (i32 addrspace(1)* inttoptr (i128 -1 to i32 addrspace(1)*) to i64)
94 define i32 addrspace(3)* @const_inttoptr() {
95 ; CHECK-LABEL: @const_inttoptr(
96 ; CHECK-NEXT: ret i32 addrspace(3)* inttoptr (i16 4 to i32 addrspace(3)*)
98 %p = inttoptr i16 4 to i32 addrspace(3)*
99 ret i32 addrspace(3)* %p
102 define i16 @const_ptrtoint() {
103 ; CHECK-LABEL: @const_ptrtoint(
104 ; CHECK-NEXT: ret i16 ptrtoint (i32 addrspace(3)* @g to i16)
106 %i = ptrtoint i32 addrspace(3)* @g to i16
110 define i16 @const_inttoptr_ptrtoint() {
111 ; CHECK-LABEL: @const_inttoptr_ptrtoint(
112 ; CHECK-NEXT: ret i16 9
114 ret i16 ptrtoint (i32 addrspace(3)* inttoptr (i16 9 to i32 addrspace(3)*) to i16)
117 define i1 @constant_fold_cmp_constantexpr_inttoptr() {
118 ; CHECK-LABEL: @constant_fold_cmp_constantexpr_inttoptr(
119 ; CHECK-NEXT: ret i1 true
121 %x = icmp eq i32 addrspace(3)* inttoptr (i16 0 to i32 addrspace(3)*), null
125 define i1 @constant_fold_inttoptr_null(i16 %i) {
126 ; CHECK-LABEL: @constant_fold_inttoptr_null(
127 ; CHECK-NEXT: ret i1 false
129 %x = icmp eq i32 addrspace(3)* inttoptr (i16 99 to i32 addrspace(3)*), inttoptr (i16 0 to i32 addrspace(3)*)
133 define i1 @constant_fold_ptrtoint_null() {
134 ; CHECK-LABEL: @constant_fold_ptrtoint_null(
135 ; CHECK-NEXT: ret i1 icmp eq (i32 addrspace(3)* @g, i32 addrspace(3)* null)
137 %x = icmp eq i16 ptrtoint (i32 addrspace(3)* @g to i16), ptrtoint (i32 addrspace(3)* null to i16)
141 define i1 @constant_fold_ptrtoint_null_2() {
142 ; CHECK-LABEL: @constant_fold_ptrtoint_null_2(
143 ; CHECK-NEXT: ret i1 icmp eq (i32 addrspace(3)* @g, i32 addrspace(3)* null)
145 %x = icmp eq i16 ptrtoint (i32 addrspace(3)* null to i16), ptrtoint (i32 addrspace(3)* @g to i16)
149 define i1 @constant_fold_ptrtoint() {
150 ; CHECK-LABEL: @constant_fold_ptrtoint(
151 ; CHECK-NEXT: ret i1 true
153 %x = icmp eq i16 ptrtoint (i32 addrspace(3)* @g to i16), ptrtoint (i32 addrspace(3)* @g to i16)
157 define i1 @constant_fold_inttoptr() {
158 ; CHECK-LABEL: @constant_fold_inttoptr(
159 ; CHECK-NEXT: ret i1 false
161 %x = icmp eq i32 addrspace(3)* inttoptr (i16 99 to i32 addrspace(3)*), inttoptr (i16 27 to i32 addrspace(3)*)
165 @g_float_as3 = addrspace(3) global float zeroinitializer
166 @g_v4f_as3 = addrspace(3) global <4 x float> zeroinitializer
168 define float @constant_fold_bitcast_ftoi_load() {
169 ; CHECK-LABEL: @constant_fold_bitcast_ftoi_load(
170 ; CHECK-NEXT: [[A:%.*]] = load float, float addrspace(3)* bitcast (i32 addrspace(3)* @g to float addrspace(3)*), align 4
171 ; CHECK-NEXT: ret float [[A]]
173 %a = load float, float addrspace(3)* bitcast (i32 addrspace(3)* @g to float addrspace(3)*), align 4
177 define i32 @constant_fold_bitcast_itof_load() {
178 ; CHECK-LABEL: @constant_fold_bitcast_itof_load(
179 ; CHECK-NEXT: [[A:%.*]] = load i32, i32 addrspace(3)* bitcast (float addrspace(3)* @g_float_as3 to i32 addrspace(3)*), align 4
180 ; CHECK-NEXT: ret i32 [[A]]
182 %a = load i32, i32 addrspace(3)* bitcast (float addrspace(3)* @g_float_as3 to i32 addrspace(3)*), align 4
186 define <4 x float> @constant_fold_bitcast_vector_as() {
187 ; CHECK-LABEL: @constant_fold_bitcast_vector_as(
188 ; CHECK-NEXT: [[A:%.*]] = load <4 x float>, <4 x float> addrspace(3)* @g_v4f_as3, align 16
189 ; CHECK-NEXT: ret <4 x float> [[A]]
191 %a = load <4 x float>, <4 x float> addrspace(3)* bitcast (<4 x i32> addrspace(3)* bitcast (<4 x float> addrspace(3)* @g_v4f_as3 to <4 x i32> addrspace(3)*) to <4 x float> addrspace(3)*), align 4
195 @i32_array_as3 = addrspace(3) global [10 x i32] zeroinitializer
197 define i32 @test_cast_gep_small_indices_as() {
198 ; CHECK-LABEL: @test_cast_gep_small_indices_as(
199 ; CHECK-NEXT: [[X:%.*]] = load i32, i32 addrspace(3)* getelementptr inbounds ([10 x i32], [10 x i32] addrspace(3)* @i32_array_as3, i16 0, i16 0), align 16
200 ; CHECK-NEXT: ret i32 [[X]]
202 %p = getelementptr [10 x i32], [10 x i32] addrspace(3)* @i32_array_as3, i7 0, i7 0
203 %x = load i32, i32 addrspace(3)* %p, align 4
207 %struct.foo = type { float, float, [4 x i32], i32 addrspace(3)* }
209 @constant_fold_global_ptr = addrspace(3) global %struct.foo {
212 [4 x i32] zeroinitializer,
213 i32 addrspace(3)* getelementptr ([10 x i32], [10 x i32] addrspace(3)* @i32_array_as3, i64 0, i64 0)
216 define i32 @test_cast_gep_large_indices_as() {
217 ; CHECK-LABEL: @test_cast_gep_large_indices_as(
218 ; CHECK-NEXT: [[X:%.*]] = load i32, i32 addrspace(3)* getelementptr inbounds ([10 x i32], [10 x i32] addrspace(3)* @i32_array_as3, i16 0, i16 0), align 16
219 ; CHECK-NEXT: ret i32 [[X]]
221 %p = getelementptr [10 x i32], [10 x i32] addrspace(3)* @i32_array_as3, i64 0, i64 0
222 %x = load i32, i32 addrspace(3)* %p, align 4
226 define i32 @test_constant_cast_gep_struct_indices_as() {
227 ; CHECK-LABEL: @test_constant_cast_gep_struct_indices_as(
228 ; CHECK-NEXT: [[Y:%.*]] = load i32, i32 addrspace(3)* getelementptr inbounds (%struct.foo, [[STRUCT_FOO:%.*]] addrspace(3)* @constant_fold_global_ptr, i16 0, i32 2, i16 2), align 16
229 ; CHECK-NEXT: ret i32 [[Y]]
231 %x = getelementptr %struct.foo, %struct.foo addrspace(3)* @constant_fold_global_ptr, i18 0, i32 2, i12 2
232 %y = load i32, i32 addrspace(3)* %x, align 4
236 @constant_data_as3 = addrspace(3) constant [5 x i32] [i32 1, i32 2, i32 3, i32 4, i32 5]
238 define i32 @test_read_data_from_global_as3() {
239 ; CHECK-LABEL: @test_read_data_from_global_as3(
240 ; CHECK-NEXT: ret i32 2
242 %x = getelementptr [5 x i32], [5 x i32] addrspace(3)* @constant_data_as3, i32 0, i32 1
243 %y = load i32, i32 addrspace(3)* %x, align 4
247 @a = addrspace(1) constant i32 9
248 @b = addrspace(1) constant i32 23
249 @c = addrspace(1) constant i32 34
250 @d = addrspace(1) constant i32 99
252 @ptr_array = addrspace(2) constant [4 x i32 addrspace(1)*] [ i32 addrspace(1)* @a, i32 addrspace(1)* @b, i32 addrspace(1)* @c, i32 addrspace(1)* @d]
253 @indirect = addrspace(0) constant i32 addrspace(1)* addrspace(2)* getelementptr inbounds ([4 x i32 addrspace(1)*], [4 x i32 addrspace(1)*] addrspace(2)* @ptr_array, i1 0, i32 2)
255 define i32 @constant_through_array_as_ptrs() {
256 ; CHECK-LABEL: @constant_through_array_as_ptrs(
257 ; CHECK-NEXT: ret i32 34
259 %p = load i32 addrspace(1)* addrspace(2)*, i32 addrspace(1)* addrspace(2)* addrspace(0)* @indirect, align 4
260 %a = load i32 addrspace(1)*, i32 addrspace(1)* addrspace(2)* %p, align 4
261 %b = load i32, i32 addrspace(1)* %a, align 4
265 @shared_mem = external addrspace(3) global [0 x i8]
267 define float @canonicalize_addrspacecast(i32 %i) {
268 ; CHECK-LABEL: @canonicalize_addrspacecast(
269 ; CHECK-NEXT: [[P:%.*]] = getelementptr inbounds float, float* addrspacecast (float addrspace(3)* bitcast ([0 x i8] addrspace(3)* @shared_mem to float addrspace(3)*) to float*), i32 [[I:%.*]]
270 ; CHECK-NEXT: [[V:%.*]] = load float, float* [[P]], align 4
271 ; CHECK-NEXT: ret float [[V]]
273 %p = getelementptr inbounds float, float* addrspacecast ([0 x i8] addrspace(3)* @shared_mem to float*), i32 %i
274 %v = load float, float* %p