diff options
| author | Bill Wendling <isanbard@gmail.com> | 2009-12-28 01:20:29 +0000 |
|---|---|---|
| committer | Bill Wendling <isanbard@gmail.com> | 2009-12-28 01:20:29 +0000 |
| commit | 079b6f5ee5c3516b773a3ad71874c14e8ea7479c (patch) | |
| tree | b49b6d369d5ffe7cd8b81fde271c3c4294de9740 /include/llvm/Support/Compiler.h | |
| parent | 86888887872737f614a66e3e25b896248c29c6c2 (diff) | |
Add an "ATTRIBUTE_UNUSED" macro (and use it). It's for variables which are
mainly used in debugging and/or assert situations. It should make the compiler
and the static analyzer stop nagging us about them.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@92181 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'include/llvm/Support/Compiler.h')
| -rw-r--r-- | include/llvm/Support/Compiler.h | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/include/llvm/Support/Compiler.h b/include/llvm/Support/Compiler.h index 8861a20954..1376e4664c 100644 --- a/include/llvm/Support/Compiler.h +++ b/include/llvm/Support/Compiler.h @@ -29,6 +29,12 @@ #define ATTRIBUTE_USED #endif +#if (__GNUC__ >= 4 || (__GNUC__ == 3 && __GNUC_MINOR__ >= 1)) +#define ATTRIBUTE_UNUSED __attribute__((__unused__)) +#else +#define ATTRIBUTE_UNUSED +#endif + #ifdef __GNUC__ // aka 'ATTRIBUTE_CONST' but following LLVM Conventions. #define ATTRIBUTE_READNONE __attribute__((__const__)) #else |