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3df565ac8f
For comdats (e.g. caused by -ffunction-sections), Section is already set here; make sure it's null, for the weak external symbol to be undefined. This fixes PR46779. Differential Revision: https://reviews.llvm.org/D84507 (cherry picked from commit 9e81d8bbf19d72fca3d87b7334c613d1aa2a5795)
35 lines
1.1 KiB
ArmAsm
35 lines
1.1 KiB
ArmAsm
// RUN: llvm-mc -filetype=obj -triple x86_64-pc-win32 %s -o %t.o
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// RUN: llvm-readobj --symbols %t.o | FileCheck %s
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// Test that the weak symbol is properly undefined, while originally being
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// the leader symbol for a comdat. (This can easily happen if building with
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// -ffunction-sections).
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.section .text$func,"xr",one_only,func
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.weak func
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func:
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ret
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// CHECK: Symbol {
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// CHECK: Name: func
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// CHECK-NEXT: Value: 0
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// CHECK-NEXT: Section: IMAGE_SYM_UNDEFINED (0)
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// CHECK-NEXT: BaseType: Null (0x0)
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// CHECK-NEXT: ComplexType: Null (0x0)
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// CHECK-NEXT: StorageClass: WeakExternal (0x69)
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// CHECK-NEXT: AuxSymbolCount: 1
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// CHECK-NEXT: AuxWeakExternal {
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// CHECK-NEXT: Linked: .weak.func.default (10)
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// CHECK-NEXT: Search: Alias (0x3)
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// CHECK-NEXT: }
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// CHECK-NEXT: }
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// CHECK-NEXT: Symbol {
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// CHECK-NEXT: Name: .weak.func.default
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// CHECK-NEXT: Value: 0
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// CHECK-NEXT: Section: .text$func (4)
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// CHECK-NEXT: BaseType: Null (0x0)
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// CHECK-NEXT: ComplexType: Null (0x0)
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// CHECK-NEXT: StorageClass: External (0x2)
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// CHECK-NEXT: AuxSymbolCount: 0
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// CHECK-NEXT: }
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