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| author | Tanya Lattner <tonic@nondot.org> | 2010-02-17 04:48:01 +0000 |
|---|---|---|
| committer | Tanya Lattner <tonic@nondot.org> | 2010-02-17 04:48:01 +0000 |
| commit | c777221d22e2687938c061de6698ddcccbe00fdc (patch) | |
| tree | ee98123433996248bb6d46137ea963674420ab34 | |
| parent | 92ac9ffecd236a6be0d6ab30cef56100e56b171c (diff) | |
Do not add functions marked with the unused attribute to the list of unused functions to warn about. Update test case.
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@96452 91177308-0d34-0410-b5e6-96231b3b80d8
| -rw-r--r-- | lib/Sema/SemaDecl.cpp | 2 | ||||
| -rw-r--r-- | test/Sema/warn-unused-function.c | 4 |
2 files changed, 5 insertions, 1 deletions
diff --git a/lib/Sema/SemaDecl.cpp b/lib/Sema/SemaDecl.cpp index 1fc08ce031..3821113439 100644 --- a/lib/Sema/SemaDecl.cpp +++ b/lib/Sema/SemaDecl.cpp @@ -3135,7 +3135,7 @@ Sema::ActOnFunctionDeclarator(Scope* S, Declarator& D, DeclContext* DC, // FIXME: Also include static functions declared but not defined. if (!NewFD->isInvalidDecl() && IsFunctionDefinition && !NewFD->isInlined() && NewFD->getLinkage() == InternalLinkage - && !NewFD->isUsed()) + && !NewFD->isUsed() && !NewFD->hasAttr<UnusedAttr>()) UnusedStaticFuncs.push_back(NewFD); return NewFD; diff --git a/test/Sema/warn-unused-function.c b/test/Sema/warn-unused-function.c index 1a2a50e1aa..b52f676ac5 100644 --- a/test/Sema/warn-unused-function.c +++ b/test/Sema/warn-unused-function.c @@ -24,3 +24,7 @@ static void f7(void); void f8(void(*a0)(void)); void f9(void) { f8(f7); } static void f7(void) {} + +__attribute__((unused)) static void bar(void); +void bar(void) { } + |