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      1 // RUN: %clang_cc1 -triple x86_64-apple-darwin10 -fobjc-dispatch-method=mixed -emit-llvm -o - %s | FileCheck %s
      2 
      3 // CHECK: @"OBJC_IVAR_$_A._ivar" = global {{.*}} section "__DATA, __objc_ivar", align 8
      4 // CHECK: @_objc_empty_cache = external global
      5 // CHECK: @_objc_empty_vtable = external global
      6 // CHECK: @"OBJC_CLASS_$_A" = global
      7 // CHECK: @"OBJC_METACLASS_$_A" = global {{.*}} section "__DATA, __objc_data", align 8
      8 // CHECK: @OBJC_CLASS_NAME_{{[0-9]*}} = private global {{.*}} section "__TEXT,__objc_classname,cstring_literals", align 1
      9 // CHECK: @OBJC_METH_VAR_NAME_{{[0-9]*}} = private global {{.*}} section "__TEXT,__objc_methname,cstring_literals", align 1
     10 // CHECK: @OBJC_METH_VAR_TYPE_{{[0-9]*}} = private global {{.*}} section "__TEXT,__objc_methtype,cstring_literals", align 1
     11 // CHECK: @"\01l_OBJC_$_CLASS_METHODS_A" = private global {{.*}} section "__DATA, __objc_const", align 8
     12 // CHECK: @"\01l_OBJC_$_PROTOCOL_INSTANCE_METHODS_P" = private global {{.*}} section "__DATA, __objc_const", align 8
     13 // CHECK: @"\01l_OBJC_$_PROTOCOL_CLASS_METHODS_P" = private global {{.*}} section "__DATA, __objc_const", align 8
     14 // CHECK: @"\01l_OBJC_PROTOCOL_$_P" = weak hidden global {{.*}}, align 8
     15 // CHECK: @"\01l_OBJC_LABEL_PROTOCOL_$_P" = weak hidden global {{.*}} section "__DATA, __objc_protolist, coalesced, no_dead_strip", align 8
     16 // CHECK: @"\01l_OBJC_CLASS_PROTOCOLS_$_A" = private global {{.*}} section "__DATA, __objc_const", align 8
     17 // CHECK: @"\01l_OBJC_METACLASS_RO_$_A" = private global {{.*}} section "__DATA, __objc_const", align 8
     18 // CHECK: @"\01l_OBJC_$_INSTANCE_METHODS_A" = private global {{.*}} section "__DATA, __objc_const", align 8
     19 // CHECK: @"\01l_OBJC_$_INSTANCE_VARIABLES_A" = private global {{.*}} section "__DATA, __objc_const", align 8
     20 // CHECK: @OBJC_PROP_NAME_ATTR_{{[0-9]*}} = private global {{.*}} section "__TEXT,__cstring,cstring_literals", align 1
     21 // CHECK: @"\01l_OBJC_$_PROP_LIST_A" = private global {{.*}} section "__DATA, __objc_const", align 8
     22 // CHECK: @"\01l_OBJC_CLASS_RO_$_A" = private global {{.*}} section "__DATA, __objc_const", align 8
     23 // CHECK: @"\01l_OBJC_$_CATEGORY_INSTANCE_METHODS_A_$_Cat" = private global {{.*}} section "__DATA, __objc_const", align 8
     24 // CHECK: @"\01l_OBJC_$_CATEGORY_CLASS_METHODS_A_$_Cat" = private global {{.*}} section "__DATA, __objc_const", align 8
     25 // CHECK: @"\01l_OBJC_$_CATEGORY_A_$_Cat" = private global {{.*}} section "__DATA, __objc_const", align 8
     26 // CHECK: @"OBJC_CLASSLIST_SUP_REFS_$_{{[0-9]*}}" = private global {{.*}} section "__DATA, __objc_superrefs, regular, no_dead_strip", align 8
     27 // CHECK: @OBJC_SELECTOR_REFERENCES_ = private externally_initialized global {{.*}} section "__DATA, __objc_selrefs, literal_pointers, no_dead_strip"
     28 // CHECK: @"OBJC_CLASSLIST_SUP_REFS_$_{{[\.0-9]*}}" = private global {{.*}} section "__DATA, __objc_superrefs, regular, no_dead_strip", align 8
     29 // CHECK: @"OBJC_CLASS_$_B" = external global
     30 // CHECK: @"OBJC_CLASSLIST_REFERENCES_$_{{[0-9]*}}" = private global {{.*}} section "__DATA, __objc_classrefs, regular, no_dead_strip", align 8
     31 // CHECK: @"\01l_objc_msgSend_fixup_alloc" = weak hidden global {{.*}} section "__DATA, __objc_msgrefs, coalesced", align 16
     32 // CHECK: @"OBJC_LABEL_CLASS_$" = private global {{.*}} section "__DATA, __objc_classlist, regular, no_dead_strip", align 8
     33 // CHECK: @"OBJC_LABEL_CATEGORY_$" = private global {{.*}} section "__DATA, __objc_catlist, regular, no_dead_strip", align 8
     34 // CHECK: @objc_msgSend_fpret(
     35 // CHECK: @objc_msgSend_fixup(
     36 
     37 
     38 /*
     39 
     40 Here is a handy command for looking at llvm-gcc's output:
     41 llvm-gcc -m64 -emit-llvm -S -o - metadata-symbols-64.m | \
     42   grep '=.*global' | \
     43   sed -e 's#global.*, section#global ... section#' | \
     44   sort
     45 
     46 */
     47 
     48 @interface B
     49 @end
     50 @interface C
     51 @end
     52 
     53 @protocol P
     54 +(void) fm0;
     55 -(void) im0;
     56 @end
     57 
     58 @interface A<P> {
     59   int _ivar;
     60 }
     61  
     62 @property (assign) int ivar;
     63 
     64 +(void) fm0;
     65 -(void) im0;
     66 @end
     67 
     68 @implementation A
     69 @synthesize ivar = _ivar;
     70 +(void) fm0 {
     71 }
     72 -(void) im0 {
     73 }
     74 @end
     75 
     76 @implementation A (Cat)
     77 +(void) fm1 {
     78 }
     79 -(void) im1 {
     80 }
     81 @end
     82 
     83 @interface D : A
     84 @end
     85 
     86 @implementation D
     87 +(void) fm2 {
     88   [super fm1];
     89 }
     90 -(void) im2 {
     91   [super im1];
     92 }
     93 @end
     94 
     95 // Test for FP dispatch method APIs
     96 @interface Example 
     97 @end
     98 
     99 float FLOAT;
    100 double DOUBLE;
    101 long double LONGDOUBLE;
    102 id    ID;
    103 
    104 @implementation Example
    105  - (double) RET_DOUBLE
    106    {
    107         return DOUBLE;
    108    }
    109  - (float) RET_FLOAT
    110    {
    111         return FLOAT;
    112    }
    113  - (long double) RET_LONGDOUBLE
    114    {
    115         return LONGDOUBLE;
    116    }
    117 @end
    118 
    119 void *f0(id x) {
    120    Example* pe;
    121    double dd = [pe RET_DOUBLE];
    122    dd = [pe RET_FLOAT];
    123    dd = [pe RET_LONGDOUBLE];
    124 
    125    [B im0];
    126    [C im1];
    127    [D alloc];
    128 }
    129 
    130