llvm/test/MC/COFF/weak-alias-labels.s

   1 // RUN: llvm-mc -filetype=obj -triple i686-pc-win32 %s | llvm-readobj --symbols - | FileCheck %s
   2 // RUN: llvm-mc -filetype=obj -triple x86_64-pc-win32 %s | llvm-readobj --symbols - | FileCheck %s
   3
   4 // When making weak references to labels/procedures, we reference them directly
   5 // if they have global symbols; otherwise, we need to create a global symbol for
   6 // the reference to resolve to.
   7
   8     .text
   9
  10     .globl proc1
  11 proc1:
  12     ret
  13
  14 proc2:
  15     ret
  16 // CHECK:      Symbol {
  17 // CHECK:        Name: proc2
  18 // CHECK-NEXT:   Value: [[PROC2_VALUE:[0-9]+]]
  19 // CHECK-NEXT:   Section: [[PROC2_SECTION:.*]]
  20 // CHECK-NEXT:   BaseType: Null
  21 // CHECK-NEXT:   ComplexType: Null
  22 // CHECK-NEXT:   StorageClass: Static
  23 // CHECK-NEXT:   AuxSymbolCount: 0
  24 // CHECK-NEXT: }
  25
  26     .weak t1
  27 t1 = proc1
  28
  29 // CHECK:      Symbol {
  30 // CHECK:        Name: t1
  31 // CHECK-NEXT:   Value: 0
  32 // CHECK-NEXT:   Section: IMAGE_SYM_UNDEFINED
  33 // CHECK-NEXT:   BaseType: Null
  34 // CHECK-NEXT:   ComplexType: Null
  35 // CHECK-NEXT:   StorageClass: WeakExternal
  36 // CHECK-NEXT:   AuxSymbolCount: 1
  37 // CHECK-NEXT:   AuxWeakExternal {
  38 // CHECK-NEXT:     Linked: proc1
  39 // CHECK-NEXT:     Search: Alias
  40 // CHECK-NEXT:   }
  41 // CHECK-NEXT: }
  42
  43     .weak t2
  44 t2 = proc2
  45
  46 // CHECK:      Symbol {
  47 // CHECK:        Name: t2
  48 // CHECK-NEXT:   Value: 0
  49 // CHECK-NEXT:   Section: IMAGE_SYM_UNDEFINED
  50 // CHECK-NEXT:   BaseType: Null
  51 // CHECK-NEXT:   ComplexType: Null
  52 // CHECK-NEXT:   StorageClass: WeakExternal
  53 // CHECK-NEXT:   AuxSymbolCount: 1
  54 // CHECK-NEXT:   AuxWeakExternal {
  55 // CHECK-NEXT:     Linked: .weak.t2.default
  56 // CHECK-NEXT:     Search: Alias
  57 // CHECK-NEXT:   }
  58 // CHECK-NEXT: }
  59 // CHECK:      Symbol {
  60 // CHECK:        Name: .weak.t2.default
  61 // CHECK-NEXT:   Value: [[PROC2_VALUE]]
  62 // CHECK-NEXT:   Section: [[PROC2_SECTION]]
  63 // CHECK-NEXT:   BaseType: Null
  64 // CHECK-NEXT:   ComplexType: Null
  65 // CHECK-NEXT:   StorageClass: External
  66 // CHECK-NEXT:   AuxSymbolCount: 0
  67 // CHECK-NEXT: }
  68
  69     .weak t3
  70 t3 = foo
  71
  72 // CHECK:      Symbol {
  73 // CHECK:        Name: t3
  74 // CHECK-NEXT:   Value: 0
  75 // CHECK-NEXT:   Section: IMAGE_SYM_UNDEFINED
  76 // CHECK-NEXT:   BaseType: Null
  77 // CHECK-NEXT:   ComplexType: Null
  78 // CHECK-NEXT:   StorageClass: WeakExternal
  79 // CHECK-NEXT:   AuxSymbolCount: 1
  80 // CHECK-NEXT:   AuxWeakExternal {
  81 // CHECK-NEXT:     Linked: foo
  82 // CHECK-NEXT:     Search: Alias
  83 // CHECK-NEXT:   }
  84 // CHECK-NEXT: }
  85
  86     .weak t4
  87 t4 = bar
  88
  89     .globl bar
  90 bar:
  91     ret
  92
  93 // CHECK:      Symbol {
  94 // CHECK:        Name: t4
  95 // CHECK-NEXT:   Value: 0
  96 // CHECK-NEXT:   Section: IMAGE_SYM_UNDEFINED
  97 // CHECK-NEXT:   BaseType: Null
  98 // CHECK-NEXT:   ComplexType: Null
  99 // CHECK-NEXT:   StorageClass: WeakExternal
 100 // CHECK-NEXT:   AuxSymbolCount: 1
 101 // CHECK-NEXT:   AuxWeakExternal {
 102 // CHECK-NEXT:     Linked: bar
 103 // CHECK-NEXT:     Search: Alias
 104 // CHECK-NEXT:   }
 105 // CHECK-NEXT: }
 106
 107     .weak t5
 108 t5 = t2
 109
 110 // CHECK:      Symbol {
 111 // CHECK:        Name: t5
 112 // CHECK-NEXT:   Value: 0
 113 // CHECK-NEXT:   Section: IMAGE_SYM_UNDEFINED
 114 // CHECK-NEXT:   BaseType: Null
 115 // CHECK-NEXT:   ComplexType: Null
 116 // CHECK-NEXT:   StorageClass: WeakExternal
 117 // CHECK-NEXT:   AuxSymbolCount: 1
 118 // CHECK-NEXT:   AuxWeakExternal {
 119 // CHECK-NEXT:     Linked: t2
 120 // CHECK-NEXT:     Search: Alias
 121 // CHECK-NEXT:   }
 122 // CHECK-NEXT: }