Vendor import of clang RELEASE_34/dot1-final tag r208032 (effectively, 3.4.1 release):vendor/clang/clang-release_34-r208032

https://llvm.org/svn/llvm-project/cfe/tags/RELEASE_34/dot1-final@208032

2 files changed, 5 insertions, 1 deletions

diff --git a/include/clang/Driver/Driver.h b/include/clang/Driver/Driver.h
index 867444ea4e13..73c808609355 100644
--- a/include/clang/Driver/Driver.h
+++ b/include/clang/Driver/Driver.h
@@ -415,6 +415,10 @@ public:
                                 bool &HadExtra);
 };
 
+/// \return True if the last defined optimization level is -Ofast.
+/// And False otherwise.
+bool isOptimizationLevelFast(const llvm::opt::ArgList &Args);
+
 } // end namespace driver
 } // end namespace clang
 
diff --git a/include/clang/Driver/ToolChain.h b/include/clang/Driver/ToolChain.h
index 84e0b55ba5af..c212a833224f 100644
--- a/include/clang/Driver/ToolChain.h
+++ b/include/clang/Driver/ToolChain.h
@@ -303,7 +303,7 @@ public:
   /// AddFastMathRuntimeIfAvailable - If a runtime library exists that sets
   /// global flags for unsafe floating point math, add it and return true.
   ///
-  /// This checks for presence of the -ffast-math or -funsafe-math flags.
+  /// This checks for presence of the -Ofast, -ffast-math or -funsafe-math flags.
   virtual bool
   AddFastMathRuntimeIfAvailable(const llvm::opt::ArgList &Args,
                                 llvm::opt::ArgStringList &CmdArgs) const;