swallace created this revision.
swallace added reviewers: djasper, chandlerc.
swallace added a subscriber: cfe-commits.
The parameters of the function templates were being marked as incorrectly be
marked as unused.
Added a test for this and changed the check to use the same isReferenced() ||
!getDeclName() logic as Sema::DiagnoseUnusedParameters.
http://reviews.llvm.org/D11417
Files:
clang-tidy/misc/UnusedParametersCheck.cpp
test/clang-tidy/misc-unused-parameters.cpp
Index: test/clang-tidy/misc-unused-parameters.cpp
===================================================================
--- test/clang-tidy/misc-unused-parameters.cpp
+++ test/clang-tidy/misc-unused-parameters.cpp
@@ -88,3 +88,5 @@
}
} // end namespace
+
+template <typename T> void someFunctionTemplate(T b, T e) { (void)b; (void)e; }
Index: clang-tidy/misc/UnusedParametersCheck.cpp
===================================================================
--- clang-tidy/misc/UnusedParametersCheck.cpp
+++ clang-tidy/misc/UnusedParametersCheck.cpp
@@ -59,7 +59,8 @@
if (!Function->doesThisDeclarationHaveABody())
return;
const auto *Param = Result.Nodes.getNodeAs<ParmVarDecl>("x");
- if (Param->isUsed())
+ if (Param->isUsed() || Param->isReferenced() || !Param->getDeclName() ||
+ Param->hasAttr<UnusedAttr>())
return;
auto MyDiag = diag(Param->getLocation(), "parameter '%0' is unused")
@@ -102,4 +103,3 @@
} // namespace tidy
} // namespace clang
-
Index: test/clang-tidy/misc-unused-parameters.cpp
===================================================================
--- test/clang-tidy/misc-unused-parameters.cpp
+++ test/clang-tidy/misc-unused-parameters.cpp
@@ -88,3 +88,5 @@
}
} // end namespace
+
+template <typename T> void someFunctionTemplate(T b, T e) { (void)b; (void)e; }
Index: clang-tidy/misc/UnusedParametersCheck.cpp
===================================================================
--- clang-tidy/misc/UnusedParametersCheck.cpp
+++ clang-tidy/misc/UnusedParametersCheck.cpp
@@ -59,7 +59,8 @@
if (!Function->doesThisDeclarationHaveABody())
return;
const auto *Param = Result.Nodes.getNodeAs<ParmVarDecl>("x");
- if (Param->isUsed())
+ if (Param->isUsed() || Param->isReferenced() || !Param->getDeclName() ||
+ Param->hasAttr<UnusedAttr>())
return;
auto MyDiag = diag(Param->getLocation(), "parameter '%0' is unused")
@@ -102,4 +103,3 @@
} // namespace tidy
} // namespace clang
-
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