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      1 ; RUN: opt -S -instcombine -o - %s | FileCheck %s
      2 target 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 
      4 declare i32 @llvm.objectsize.i32.p0i8(i8*, i1) nounwind readonly
      5 declare i32 @llvm.objectsize.i32.p1i8(i8 addrspace(1)*, i1) nounwind readonly
      6 declare i32 @llvm.objectsize.i32.p2i8(i8 addrspace(2)*, i1) nounwind readonly
      7 declare i32 @llvm.objectsize.i32.p3i8(i8 addrspace(3)*, i1) nounwind readonly
      8 declare 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 
     21 define 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], [60 x i8] addrspace(3)* @a_as3, i32 0, i32 0), i1 false)
     25   ret i32 %1
     26 }
     27 
     28 define 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], [60 x i8] addrspace(3)* @a_as3, i32 0, i32 0), i1 false)
     32   ret i16 %1
     33 }
     34 
     35 @a_alias = weak alias [60 x i8], [60 x i8] addrspace(3)* @a_as3
     36 define i32 @foo_alias() nounwind {
     37   %1 = call i32 @llvm.objectsize.i32.p3i8(i8 addrspace(3)* getelementptr inbounds ([60 x i8], [60 x i8] addrspace(3)* @a_alias, i32 0, i32 0), i1 false)
     38   ret i32 %1
     39 }
     40 
     41 define 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 
     49 define 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 
     57 define 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 
     65 define 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 
     73 define 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