weak.s
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// This tests that default-null weak symbols (a GNU extension) are created
// properly via the .weak directive.
// RUN: llvm-mc -filetype=obj -triple i686-pc-win32 %s | llvm-readobj --symbols | FileCheck %s
// RUN: llvm-mc -filetype=obj -triple x86_64-pc-win32 %s | llvm-readobj --symbols | FileCheck %s
.def _main;
.scl 2;
.type 32;
.endef
.text
.globl _main
.align 16, 0x90
_main: # @main
# %bb.0: # %entry
subl $4, %esp
movl $_test_weak, %eax
testl %eax, %eax
je LBB0_2
# %bb.1: # %if.then
call _test_weak
movl $1, %eax
addl $4, %esp
ret
LBB0_2: # %return
xorl %eax, %eax
addl $4, %esp
ret
.weak _test_weak
.weak _test_weak_alias
_test_weak_alias=_main
// CHECK: Symbols [
// CHECK: Symbol {
// CHECK: Name: _main
// CHECK-NEXT: Value: 0
// CHECK-NEXT: Section: .text
// CHECK-NEXT: BaseType: Null
// CHECK-NEXT: ComplexType: Function
// CHECK-NEXT: StorageClass: External
// CHECK-NEXT: AuxSymbolCount: 0
// CHECK-NEXT: }
// CHECK: Symbol {
// CHECK: Name: _test_weak
// CHECK-NEXT: Value: 0
// CHECK-NEXT: Section: IMAGE_SYM_UNDEFINED (0)
// CHECK-NEXT: BaseType: Null
// CHECK-NEXT: ComplexType: Null
// CHECK-NEXT: StorageClass: WeakExternal
// CHECK-NEXT: AuxSymbolCount: 1
// CHECK-NEXT: AuxWeakExternal {
// CHECK-NEXT: Linked: .weak._test_weak.default
// CHECK-NEXT: Search: Alias
// CHECK-NEXT: }
// CHECK-NEXT: }
// CHECK: Symbol {
// CHECK: Name: .weak._test_weak.default
// CHECK-NEXT: Value: 0
// CHECK-NEXT: Section: IMAGE_SYM_ABSOLUTE (-1)
// CHECK-NEXT: BaseType: Null
// CHECK-NEXT: ComplexType: Null
// CHECK-NEXT: StorageClass: External
// CHECK-NEXT: AuxSymbolCount: 0
// CHECK-NEXT: }
// CHECK: Symbol {
// CHECK: Name: _test_weak_alias
// CHECK-NEXT: Value: 0
// CHECK-NEXT: Section: IMAGE_SYM_UNDEFINED (0)
// CHECK-NEXT: BaseType: Null
// CHECK-NEXT: ComplexType: Null
// CHECK-NEXT: StorageClass: WeakExternal
// CHECK-NEXT: AuxSymbolCount: 1
// CHECK-NEXT: AuxWeakExternal {
// CHECK-NEXT: Linked: .weak._test_weak_alias.default
// CHECK-NEXT: Search: Alias
// CHECK-NEXT: }
// CHECK-NEXT: }
// CHECK: Symbol {
// CHECK: Name: .weak._test_weak_alias.default
// CHECK-NEXT: Value: 0
// CHECK-NEXT: Section: .text
// CHECK-NEXT: BaseType: Null
// CHECK-NEXT: ComplexType: Null
// CHECK-NEXT: StorageClass: External
// CHECK-NEXT: AuxSymbolCount: 0
// CHECK-NEXT: }