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