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fdbea5107b
32-bit symbols have "_" as global prefix, but when forming the name of COMDAT sections this prefix is ignored. The current behavior assumes that this prefix is always present which is not the case for 64-bit and names are truncated. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@187356 91177308-0d34-0410-b5e6-96231b3b80d8
45 lines
1.2 KiB
LLVM
45 lines
1.2 KiB
LLVM
; Test that weak functions and globals are placed into selectany COMDAT
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; sections with the mangled name as suffix. Ensure that the weak linkage
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; type is not ignored by the backend if the section was specialized.
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;
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; RUN: llc -mtriple=i686-pc-win32 %s -o - | FileCheck %s --check-prefix=X86
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; RUN: llc -mtriple=i686-pc-mingw32 %s -o - | FileCheck %s --check-prefix=X86
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; RUN: llc -mtriple=x86_64-pc-win32 %s -o - | FileCheck %s --check-prefix=X64
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; RUN: llc -mtriple=x86_64-pc-mingw32 %s -o - | FileCheck %s --check-prefix=X64
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; Mangled function
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; X86: .section .text$_Z3foo
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; X86: .linkonce discard
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; X86: .globl __Z3foo
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;
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; X64: .section .text$_Z3foo
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; X64: .linkonce discard
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; X64: .globl _Z3foo
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define weak void @_Z3foo() {
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ret void
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}
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; Unmangled function
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; X86: .section .sect$f
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; X86: .linkonce discard
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; X86: .globl _f
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;
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; X64: .section .sect$f
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; X64: .linkonce discard
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; X64: .globl f
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define weak void @f() section ".sect" {
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ret void
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}
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; Weak global
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; X86: .section .data$a
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; X86: .linkonce discard
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; X86: .globl _a
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; X86: .zero 12
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;
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; X64: .section .data$a
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; X64: .linkonce discard
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; X64: .globl a
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; X64: .zero 12
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@a = weak unnamed_addr constant { i32, i32, i32 } { i32 0, i32 0, i32 0}, section ".data"
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