llvm-6502/test/CodeGen/X86/coff-weak.ll at cbfbb3ee4c9b215cd367db3b64dfef0a7f334369 - llvm-6502 - Applefritter: Git

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Peter Collingbourne fd8c98591d COFF: Do not assign linker-weak symbols to selectany comdat sections.

It is mandatory to specify a comdat in order to receive comdat semantics
for a symbol. We were previously getting this wrong in -function-sections
mode; linker-weak symbols were being emitted in a selectany comdat. This
change causes such symbols to use a noduplicates comdat instead, fixing
the inconsistency.

Also correct an inaccuracy in the docs.

Differential Revision: http://reviews.llvm.org/D10828

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@241103 91177308-0d34-0410-b5e6-96231b3b80d8

2015-06-30 19:10:31 +00:00

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 ; RUN: llc -function-sections -o - %s | FileCheck %s
 target datalayout = "e-m:w-i64:64-f80:128-n8:16:32:64-S128"
 target triple = "x86_64-pc-windows-msvc"
 ; CHECK: .section{{.*}}one_only
 define linkonce_odr void @foo() {
   ret void
 }