1; RUN: opt -S -instcombine -o - %s | FileCheck %s
2target datalayout = "e-p:32:32:32-p1:64:64:64-p2:8:8:8-p3:16:16:16-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:32:32"
3
4declare i32 @llvm.objectsize.i32.p0i8(i8*, i1) nounwind readonly
5declare i32 @llvm.objectsize.i32.p1i8(i8 addrspace(1)*, i1) nounwind readonly
6declare i32 @llvm.objectsize.i32.p2i8(i8 addrspace(2)*, i1) nounwind readonly
7declare i32 @llvm.objectsize.i32.p3i8(i8 addrspace(3)*, i1) nounwind readonly
8declare i16 @llvm.objectsize.i16.p3i8(i8 addrspace(3)*, i1) nounwind readonly
9
10@array_as2 = private addrspace(2) global [60 x i8] zeroinitializer, align 4
11
12@array_as1_pointers = private global [10 x i32 addrspace(1)*] zeroinitializer, align 4
13@array_as2_pointers = private global [24 x i32 addrspace(2)*] zeroinitializer, align 4
14@array_as3_pointers = private global [42 x i32 addrspace(3)*] zeroinitializer, align 4
15
16@array_as2_as1_pointer_pointers = private global [16 x i32 addrspace(2)* addrspace(1)*] zeroinitializer, align 4
17
18
19@a_as3 = private addrspace(3) global [60 x i8] zeroinitializer, align 1
20
21define i32 @foo_as3() nounwind {
22; CHECK-LABEL: @foo_as3(
23; CHECK-NEXT: ret i32 60
24  %1 = call i32 @llvm.objectsize.i32.p3i8(i8 addrspace(3)* getelementptr inbounds ([60 x i8] addrspace(3)* @a_as3, i32 0, i32 0), i1 false)
25  ret i32 %1
26}
27
28define i16 @foo_as3_i16() nounwind {
29; CHECK-LABEL: @foo_as3_i16(
30; CHECK-NEXT: ret i16 60
31  %1 = call i16 @llvm.objectsize.i16.p3i8(i8 addrspace(3)* getelementptr inbounds ([60 x i8] addrspace(3)* @a_as3, i32 0, i32 0), i1 false)
32  ret i16 %1
33}
34
35@a_alias = alias weak [60 x i8] addrspace(3)* @a_as3
36define i32 @foo_alias() nounwind {
37  %1 = call i32 @llvm.objectsize.i32.p3i8(i8 addrspace(3)* getelementptr inbounds ([60 x i8] addrspace(3)* @a_alias, i32 0, i32 0), i1 false)
38  ret i32 %1
39}
40
41define i32 @array_as2_size() {
42; CHECK-LABEL: @array_as2_size(
43; CHECK-NEXT: ret i32 60
44  %bc = bitcast [60 x i8] addrspace(2)* @array_as2 to i8 addrspace(2)*
45  %1 = call i32 @llvm.objectsize.i32.p2i8(i8 addrspace(2)* %bc, i1 false)
46  ret i32 %1
47}
48
49define i32 @pointer_array_as1() {
50; CHECK-LABEL: @pointer_array_as1(
51; CHECK-NEXT: ret i32 80
52  %bc = addrspacecast [10 x i32 addrspace(1)*]* @array_as1_pointers to i8 addrspace(1)*
53  %1 = call i32 @llvm.objectsize.i32.p1i8(i8 addrspace(1)* %bc, i1 false)
54  ret i32 %1
55}
56
57define i32 @pointer_array_as2() {
58; CHECK-LABEL: @pointer_array_as2(
59; CHECK-NEXT: ret i32 24
60  %bc = bitcast [24 x i32 addrspace(2)*]* @array_as2_pointers to i8*
61  %1 = call i32 @llvm.objectsize.i32.p0i8(i8* %bc, i1 false)
62  ret i32 %1
63}
64
65define i32 @pointer_array_as3() {
66; CHECK-LABEL: @pointer_array_as3(
67; CHECK-NEXT: ret i32 84
68  %bc = bitcast [42 x i32 addrspace(3)*]* @array_as3_pointers to i8*
69  %1 = call i32 @llvm.objectsize.i32.p0i8(i8* %bc, i1 false)
70  ret i32 %1
71}
72
73define i32 @pointer_pointer_array_as2_as1() {
74; CHECK-LABEL: @pointer_pointer_array_as2_as1(
75; CHECK-NEXT: ret i32 128
76  %bc = bitcast [16 x i32 addrspace(2)* addrspace(1)*]* @array_as2_as1_pointer_pointers to i8*
77  %1 = call i32 @llvm.objectsize.i32.p0i8(i8* %bc, i1 false)
78  ret i32 %1
79}
80
81