diff options
Diffstat (limited to 'lib')
-rw-r--r-- | lib/Driver/ToolChains/Arch/AArch64.cpp | 16 |
1 files changed, 10 insertions, 6 deletions
diff --git a/lib/Driver/ToolChains/Arch/AArch64.cpp b/lib/Driver/ToolChains/Arch/AArch64.cpp index 36186f0ac3..ad04aedd09 100644 --- a/lib/Driver/ToolChains/Arch/AArch64.cpp +++ b/lib/Driver/ToolChains/Arch/AArch64.cpp @@ -20,14 +20,12 @@ using namespace clang; using namespace llvm::opt; /// getAArch64TargetCPU - Get the (LLVM) name of the AArch64 cpu we are -/// targeting. Set \p A to the Arg corresponding to the -mcpu or -mtune -/// arguments if they are provided, or to nullptr otherwise. +/// targeting. Set \p A to the Arg corresponding to the -mcpu argument if it is +/// provided, or to nullptr otherwise. std::string aarch64::getAArch64TargetCPU(const ArgList &Args, Arg *&A) { std::string CPU; - // If we have -mtune or -mcpu, use that. - if ((A = Args.getLastArg(clang::driver::options::OPT_mtune_EQ))) { - CPU = StringRef(A->getValue()).lower(); - } else if ((A = Args.getLastArg(options::OPT_mcpu_EQ))) { + // If we have -mcpu, use that. + if ((A = Args.getLastArg(options::OPT_mcpu_EQ))) { StringRef Mcpu = A->getValue(); CPU = Mcpu.split("+").first.lower(); } @@ -122,6 +120,12 @@ getAArch64MicroArchFeaturesFromMtune(const Driver &D, StringRef Mtune, const ArgList &Args, std::vector<StringRef> &Features) { std::string MtuneLowerCase = Mtune.lower(); + // Check CPU name is valid + std::vector<StringRef> MtuneFeatures; + StringRef Tune; + if (!DecodeAArch64Mcpu(D, MtuneLowerCase, Tune, MtuneFeatures)) + return false; + // Handle CPU name is 'native'. if (MtuneLowerCase == "native") MtuneLowerCase = llvm::sys::getHostCPUName(); |