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      1 // RUN: %clang_cc1 -triple i386-apple-darwin9 -fobjc-runtime=macosx-fragile-10.5 -emit-llvm -o - %s | FileCheck %s
      2 
      3 // CHECK: .lazy_reference .objc_class_name_J0
      4 
      5 // CHECK: @"\01L_OBJC_METH_VAR_NAME_{{[0-9]*}}" = private global {{.*}}section "__TEXT,__cstring,cstring_literals", align 1
      6 // CHECK: @"\01L_OBJC_METH_VAR_TYPE_{{[0-9]*}}" = private global {{.*}}section "__TEXT,__cstring,cstring_literals", align 1
      7 // CHECK: @"\01l_OBJC_PROTOCOLEXT_P" = private global
      8 // CHECK-NOT: section
      9 // CHECK: @"\01L_OBJC_CLASS_NAME_{{[0-9]*}}" = private global {{.*}}section "__TEXT,__cstring,cstring_literals", align 1
     10 // CHECK: @"\01L_OBJC_PROTOCOL_INSTANCE_METHODS_P" = private global {{.*}}section "__OBJC,__cat_inst_meth,regular,no_dead_strip", align 4
     11 // CHECK: @"\01L_OBJC_PROTOCOL_CLASS_METHODS_P" = private global {{.*}}section "__OBJC,__cat_cls_meth,regular,no_dead_strip", align 4
     12 // CHECK: @"\01L_OBJC_PROTOCOL_P" = private global {{.*}}section "__OBJC,__protocol,regular,no_dead_strip", align 4
     13 // CHECK: @"\01L_OBJC_CLASS_PROTOCOLS_A" = private global {{.*}}section "__OBJC,__cat_cls_meth,regular,no_dead_strip", align 4
     14 // CHECK: @"\01L_OBJC_CLASS_METHODS_A" = private global {{.*}}section "__OBJC,__cls_meth,regular,no_dead_strip", align 4
     15 // CHECK: @"\01L_OBJC_METACLASS_A" = private global {{.*}}section "__OBJC,__meta_class,regular,no_dead_strip", align 4
     16 // CHECK: @"\01L_OBJC_INSTANCE_VARIABLES_A" = private global {{.*}}section "__OBJC,__instance_vars,regular,no_dead_strip", align 4
     17 // CHECK: @"\01L_OBJC_INSTANCE_METHODS_A" = private global {{.*}}section "__OBJC,__inst_meth,regular,no_dead_strip", align 4
     18 // CHECK: @"\01L_OBJC_PROP_NAME_ATTR_{{[0-9]*}}" = private global {{.*}}section "__TEXT,__cstring,cstring_literals", align 1
     19 // CHECK: @"\01l_OBJC_$_PROP_LIST_A" = private global {{.*}}section "__OBJC,__property,regular,no_dead_strip", align 4
     20 // CHECK: @"\01L_OBJC_CLASSEXT_A" = private global {{.*}}section "__OBJC,__class_ext,regular,no_dead_strip", align 4
     21 // CHECK: @"\01L_OBJC_CLASS_A" = private global {{.*}}section "__OBJC,__class,regular,no_dead_strip", align 4
     22 // CHECK: @"\01L_OBJC_CATEGORY_INSTANCE_METHODS_A_Cat" = private global {{.*}}section "__OBJC,__cat_inst_meth,regular,no_dead_strip", align 4
     23 // CHECK: @"\01L_OBJC_CATEGORY_CLASS_METHODS_A_Cat" = private global {{.*}}section "__OBJC,__cat_cls_meth,regular,no_dead_strip", align 4
     24 // CHECK: @"\01L_OBJC_CATEGORY_A_Cat" = private global {{.*}}section "__OBJC,__category,regular,no_dead_strip", align 4
     25 // CHECK: @"\01L_OBJC_CLASS_REFERENCES_{{[0-9]*}}" = private global {{.*}}section "__OBJC,__cls_refs,literal_pointers,no_dead_strip", align 4
     26 // CHECK: @"\01L_OBJC_SELECTOR_REFERENCES_{{[0-9]*}}" = private externally_initialized global {{.*}}section "__OBJC,__message_refs,literal_pointers,no_dead_strip", align 4
     27 // CHECK: @"\01L_OBJC_SYMBOLS" = private global {{.*}}section "__OBJC,__symbols,regular,no_dead_strip", align 4
     28 // CHECK: @"\01L_OBJC_MODULES" = private global {{.*}}section "__OBJC,__module_info,regular,no_dead_strip", align 4
     29 
     30 // Clang's Obj-C 32-bit doesn't emit ivars for the root class.
     31 // CHECKX: @"\01L_OBJC_CLASS_VARIABLES_A" = private global {{.*}}section "__OBJC,__class_vars,regular,no_dead_strip", align 4
     32 
     33 
     34 /*
     35 
     36 Here is a handy command for looking at llvm-gcc's output:
     37 llvm-gcc -m32 -emit-llvm -S -o - metadata-symbols-32.m | \
     38   grep '=.*global' | \
     39   sed -e 's#global.*, section#global ... section#' | \
     40   sort
     41 
     42 */
     43 
     44 @interface B
     45 @end
     46 @interface C
     47 @end
     48 
     49 @protocol P
     50 +(void) fm0;
     51 -(void) im0;
     52 @end
     53 
     54 @interface A<P> {
     55   int _ivar;
     56 }
     57  
     58 @property (assign) int ivar;
     59 
     60 +(void) fm0;
     61 -(void) im0;
     62 @end
     63 
     64 @implementation A
     65 @synthesize ivar = _ivar;
     66 +(void) fm0 {
     67 }
     68 -(void) im0 {
     69 }
     70 @end
     71 
     72 @implementation A (Cat)
     73 +(void) fm1 {
     74 }
     75 -(void) im1 {
     76 }
     77 @end
     78 
     79 @interface J0
     80 @end
     81 
     82 @implementation J0(Category) @end
     83 
     84 void *f0() {
     85    [B im0];
     86    [C im1];
     87 }
     88 
     89