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| author | Anton Korobeynikov <asl@math.spbu.ru> | 2012-02-23 10:36:04 +0000 |
|---|---|---|
| committer | Anton Korobeynikov <asl@math.spbu.ru> | 2012-02-23 10:36:04 +0000 |
| commit | 1d2d5a0227d6f1381f3ffa9c331045bdfa409ee8 (patch) | |
| tree | a6b096b57b3587d595d21b0209af9fac8f086eeb /test/CodeGen/X86/odr_comdat.ll | |
| parent | b2ad57a7020e3f2352519b6d75853825d79ca44f (diff) | |
| download | external_llvm-1d2d5a0227d6f1381f3ffa9c331045bdfa409ee8.zip external_llvm-1d2d5a0227d6f1381f3ffa9c331045bdfa409ee8.tar.gz external_llvm-1d2d5a0227d6f1381f3ffa9c331045bdfa409ee8.tar.bz2 | |
Fix to make sure that a comdat group gets generated correctly for a static member
of instantiated C++ templates.
Patch by Kristof Beyls!
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@151250 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'test/CodeGen/X86/odr_comdat.ll')
| -rw-r--r-- | test/CodeGen/X86/odr_comdat.ll | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/test/CodeGen/X86/odr_comdat.ll b/test/CodeGen/X86/odr_comdat.ll new file mode 100644 index 0000000..547334c --- /dev/null +++ b/test/CodeGen/X86/odr_comdat.ll @@ -0,0 +1,16 @@ +; RUN: llc < %s -mtriple=x86_64-unknown-linux-gnu | FileCheck %s -check-prefix=X86LINUX + +; Checking that a comdat group gets generated correctly for a static member +; of instantiated C++ templates. +; see http://sourcery.mentor.com/public/cxx-abi/abi.html#vague-itemplate +; section 5.2.6 Instantiated templates +; "Any static member data object is emitted in a COMDAT identified by its mangled +; name, in any object file with a reference to its name symbol." + +; Case 1: variable is not explicitly initialized, and ends up in a .bss section +; X86LINUX: .section .bss._ZN1CIiE1iE,"aGw",@nobits,_ZN1CIiE1iE,comdat +@_ZN1CIiE1iE = weak_odr global i32 0, align 4 + +; Case 2: variable is explicitly initialized, and ends up in a .data section +; X86LINUX: .section .data._ZN1CIiE1jE,"aGw",@progbits,_ZN1CIiE1jE,comdat +@_ZN1CIiE1jE = weak_odr global i32 12, align 4 |