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      1 ; RUN: llc < %s -mtriple=x86_64-apple-darwin | FileCheck %s
      2 ; Test all the cases where a L label is safe. Removing any entry from
      3 ; TargetLoweringObjectFileMachO::isSectionAtomizableBySymbols should cause
      4 ; this to fail.
      5 ; We also test some noteworthy cases that require an l label.
      6 
      7 @private1 = private unnamed_addr constant [4 x i8] c"zed\00"
      8 ; CHECK: .section	__TEXT,__cstring,cstring_literals
      9 ; CHECK-NEXT: L_private1:
     10 
     11 @private2 = private unnamed_addr constant [5 x i16] [i16 116, i16 101,
     12                                                      i16 115, i16 116, i16 0]
     13 ; CHECK: .section	__TEXT,__ustring
     14 ; CHECK-NEXT: .align	1
     15 ; CHECK-NEXT: l_private2:
     16 
     17 ; There is no dedicated 4 byte strings on MachO.
     18 
     19 %struct.NSConstantString = type { i32*, i32, i8*, i32 }
     20 @private3 = private constant %struct.NSConstantString { i32* null, i32 1992, i8* null, i32 0 }, section "__DATA,__cfstring"
     21 ; CHECK: .section	__DATA,__cfstring
     22 ; CHECK-NEXT: .align	4
     23 ; CHECK-NEXT: L_private3:
     24 
     25 ; There is no dedicated 1 or 2 byte constant section on MachO.
     26 
     27 @private4 = private unnamed_addr constant i32 42
     28 ; CHECK: .section	__TEXT,__literal4,4byte_literals
     29 ; CHECK-NEXT: .align	2
     30 ; CHECK-NEXT: L_private4:
     31 
     32 @private5 = private unnamed_addr constant i64 42
     33 ; CHECK: .section	__TEXT,__literal8,8byte_literals
     34 ; CHECK-NEXT: .align	3
     35 ; CHECK-NEXT: L_private5:
     36 
     37 @private6 = private unnamed_addr constant i128 42
     38 ; CHECK: .section	__TEXT,__literal16,16byte_literals
     39 ; CHECK-NEXT: .align	3
     40 ; CHECK-NEXT: L_private6:
     41 
     42 %struct._objc_class = type { i8* }
     43 @private7 = private global %struct._objc_class* null, section "__OBJC,__cls_refs,literal_pointers,no_dead_strip"
     44 ; CHECK: .section	__OBJC,__cls_refs,literal_pointers,no_dead_strip
     45 ; CHECK: .align	3
     46 ; CHECK: L_private7:
     47 
     48 @private8 = private global i32* null, section "__DATA,__nl_symbol_ptr,non_lazy_symbol_pointers"
     49 ; CHECK: .section	__DATA,__nl_symbol_ptr,non_lazy_symbol_pointers
     50 ; CHECK-NEXT: .align	3
     51 ; CHECK-NEXT: L_private8:
     52 
     53 @private9 = private global i32* null, section "__DATA,__la_symbol_ptr,lazy_symbol_pointers"
     54 ; CHECK: .section	__DATA,__la_symbol_ptr,lazy_symbol_pointers
     55 ; CHECK-NEXT: .align	3
     56 ; CHECK-NEXT: L_private9:
     57 
     58 @private10 = private global i32* null, section "__DATA,__mod_init_func,mod_init_funcs"
     59 ; CHECK: .section	__DATA,__mod_init_func,mod_init_funcs
     60 ; CHECK-NEXT: .align	3
     61 ; CHECK-NEXT: L_private10:
     62 
     63 @private11 = private global i32* null, section "__DATA,__mod_term_func,mod_term_funcs"
     64 ; CHECK: .section	__DATA,__mod_term_func,mod_term_funcs
     65 ; CHECK-NEXT: .align	3
     66 ; CHECK-NEXT: L_private11:
     67 
     68 @private12 = private global i32* null, section "__DATA,__foobar,interposing"
     69 ; CHECK: .section	__DATA,__foobar,interposing
     70 ; CHECK-NEXT: .align	3
     71 ; CHECK-NEXT: L_private12:
     72 
     73 @private13 = private global i32 42, section "__DATA, __objc_classlist, regular, no_dead_strip"
     74 ; CHECK: .section	__DATA,__objc_classlist,regular,no_dead_strip
     75 ; CHECK-NEXT: .align	2
     76 ; CHECK-NEXT: L_private13:
     77 
     78 @private14 = private global [4 x i8] c"zed\00", section "__TEXT,__objc_classname,cstring_literals"
     79 ; CHECK: .section	__TEXT,__objc_classname,cstring_literals
     80 ; CHECK-NEXT: L_private14:
     81 
     82 @private15 = private global [4 x i8] c"zed\00", section "__TEXT,__objc_methname,cstring_literals"
     83 ; CHECK: .section	__TEXT,__objc_methname,cstring_literals
     84 ; CHECK-NEXT: L_private15:
     85 
     86 @private16 = private global [4 x i8] c"zed\00", section "__TEXT,__objc_methtype,cstring_literals"
     87 ; CHECK: .section	__TEXT,__objc_methtype,cstring_literals
     88 ; CHECK-NEXT: L_private16:
     89