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0cff1be367
.tbss section for zerofill thread locals. Make sure we do this before emitting the zerofills. Fixes PR15972. llvm-svn: 187913
34 lines
1.0 KiB
LLVM
34 lines
1.0 KiB
LLVM
; RUN: llc -O0 -mtriple=x86_64-apple-darwin12 -filetype=obj -o - %s | macho-dump | FileCheck %s
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; Test that we emit weak_odr thread_locals correctly into the thread_bss section
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; PR15972
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; CHECK: __thread_bss
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; CHECK: 'size', 8
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; CHECK: 'alignment', 3
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; CHECK: __thread_vars
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; Generated from this C++ source
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; template<class T>
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; struct Tls {
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; static __thread void* val;
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; };
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; template<class T> __thread void* Tls<T>::val;
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; void* f(int x) {
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; return Tls<long>::val;
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; }
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@_ZN3TlsIlE3valE = weak_odr thread_local global i8* null, align 8
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; Function Attrs: nounwind ssp uwtable
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define i8* @_Z1fi(i32 %x) #0 {
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entry:
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%x.addr = alloca i32, align 4
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store i32 %x, i32* %x.addr, align 4
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%0 = load i8** @_ZN3TlsIlE3valE, align 8
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ret i8* %0
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}
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attributes #0 = { nounwind ssp uwtable "less-precise-fpmad"="false" "no-frame-pointer-elim"="true" "no-frame-pointer-elim-non-leaf"="true" "no-infs-fp-math"="false" "no-nans-fp-math"="false" "stack-protector-buffer-size"="8" "unsafe-fp-math"="false" "use-soft-float"="false" }
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