cpp11-migrate: Add Pass-By-Value Transform

Currently only constructor parameters stored in class-local storage are modified
to make use of the pass-by-value idiom but this is a base that can be be further
improved to handle more situations.

This commit is the same as r189363 with additionnal fixes for the build issues.

llvm-svn: 189584

1 files changed, 6 insertions, 0 deletions

diff --git a/clang-tools-extra/cpp11-migrate/Core/Transform.h b/clang-tools-extra/cpp11-migrate/Core/Transform.h
index bb8c116726d..43082111d54 100644
--- a/clang-tools-extra/cpp11-migrate/Core/Transform.h
+++ b/clang-tools-extra/cpp11-migrate/Core/Transform.h
@@ -139,6 +139,12 @@ public:
   bool isFileModifiable(const clang::SourceManager &SM,
                         const clang::SourceLocation &Loc) const;
 
+  /// \brief Whether a transformation with a risk level of \p RiskLevel is
+  /// acceptable or not.
+  bool isAcceptableRiskLevel(RiskLevel RiskLevel) const {
+    return RiskLevel <= GlobalOptions.MaxRiskLevel;
+  }
+
   /// \brief Called before parsing a translation unit for a FrontendAction.
   ///
   /// Transform uses this function to apply file overrides and start