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| author | Devang Patel <dpatel@apple.com> | 2008-07-16 17:54:34 +0000 |
|---|---|---|
| committer | Devang Patel <dpatel@apple.com> | 2008-07-16 17:54:34 +0000 |
| commit | 0d885d1661f87bd2dc25bfdacb29413f0be81bd4 (patch) | |
| tree | 85662284bbac210edf64d70f9928901fca02e8a7 /include/llvm/Support/Compiler.h | |
| parent | 5d0af038a718ff31b1ecf0894bae951e41960e0d (diff) | |
| download | llvm-0d885d1661f87bd2dc25bfdacb29413f0be81bd4.tar.gz llvm-0d885d1661f87bd2dc25bfdacb29413f0be81bd4.tar.bz2 llvm-0d885d1661f87bd2dc25bfdacb29413f0be81bd4.tar.xz | |
Mark function used by asm block as used, otherwise optimizer may not see the use and may delete the function.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@53692 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'include/llvm/Support/Compiler.h')
| -rw-r--r-- | include/llvm/Support/Compiler.h | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/include/llvm/Support/Compiler.h b/include/llvm/Support/Compiler.h index 1497dd61ed..9750579f2c 100644 --- a/include/llvm/Support/Compiler.h +++ b/include/llvm/Support/Compiler.h @@ -23,6 +23,11 @@ #define VISIBILITY_HIDDEN #endif +#if (__GNUC__ >= 4) +#define ATTRIBUTE_USED __attribute__((__used__)) +#else +#define ATTRIBUTE_USED +#endif // C++ doesn't support 'extern template' of template specializations. GCC does, // but requires __extension__ before it. In the header, use this: |