Author: d0k Date: Wed Oct 18 14:43:42 2017 New Revision: 316127 URL: http://llvm.org/viewvc/llvm-project?rev=316127&view=rev Log: [Driver] Fix use after free in Hexagon toolchain code.
No functionality change intended. Modified: cfe/trunk/lib/Driver/ToolChains/Hexagon.cpp Modified: cfe/trunk/lib/Driver/ToolChains/Hexagon.cpp URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/lib/Driver/ToolChains/Hexagon.cpp?rev=316127&r1=316126&r2=316127&view=diff ============================================================================== --- cfe/trunk/lib/Driver/ToolChains/Hexagon.cpp (original) +++ cfe/trunk/lib/Driver/ToolChains/Hexagon.cpp Wed Oct 18 14:43:42 2017 @@ -28,8 +28,8 @@ using namespace clang; using namespace llvm::opt; // Default hvx-length for various versions. -static std::string getDefaultHvxLength(const StringRef &Cpu) { - return llvm::StringSwitch<std::string>(Cpu) +static StringRef getDefaultHvxLength(StringRef Cpu) { + return llvm::StringSwitch<StringRef>(Cpu) .Case("v60", "64b") .Case("v62", "64b") .Default("128b"); @@ -93,7 +93,7 @@ static void handleHVXTargetFeatures(cons } // Default hvx-length based on Cpu. else if (HasHVX) - HVXLength = StringRef(getDefaultHvxLength(Cpu)); + HVXLength = getDefaultHvxLength(Cpu); if (!HVXLength.empty()) { HVXFeature = _______________________________________________ cfe-commits mailing list cfe-commits@lists.llvm.org http://lists.llvm.org/cgi-bin/mailman/listinfo/cfe-commits