diff options
Diffstat (limited to 'clang/lib/Driver')
| -rw-r--r-- | clang/lib/Driver/ToolChain.cpp | 14 |
1 files changed, 8 insertions, 6 deletions
diff --git a/clang/lib/Driver/ToolChain.cpp b/clang/lib/Driver/ToolChain.cpp index 2002a9ae8b4..ec62fba566c 100644 --- a/clang/lib/Driver/ToolChain.cpp +++ b/clang/lib/Driver/ToolChain.cpp @@ -23,10 +23,12 @@ #include "llvm/Support/ErrorHandling.h" #include "llvm/Support/FileSystem.h" #include "llvm/Support/TargetRegistry.h" +#include "llvm/Support/TargetParser.h" using namespace clang::driver; using namespace clang::driver::tools; using namespace clang; +using namespace llvm; using namespace llvm::opt; static llvm::opt::Arg *GetRTTIArgument(const ArgList &Args) { @@ -466,9 +468,9 @@ std::string ToolChain::ComputeLLVMTriple(const ArgList &Args, : tools::arm::getARMTargetCPU(MCPU, MArch, Triple); StringRef Suffix = tools::arm::getLLVMArchSuffixForARM(CPU, MArch, Triple); - bool ThumbDefault = Suffix.startswith("v6m") || Suffix.startswith("v7m") || - Suffix.startswith("v7em") || - (Suffix.startswith("v7") && getTriple().isOSBinFormatMachO()); + bool IsMProfile = ARM::parseArchProfile(Suffix) == ARM::PK_M; + bool ThumbDefault = IsMProfile || (ARM::parseArchVersion(Suffix) == 7 && + getTriple().isOSBinFormatMachO()); // FIXME: this is invalid for WindowsCE if (getTriple().isOSWindows()) ThumbDefault = true; @@ -478,9 +480,9 @@ std::string ToolChain::ComputeLLVMTriple(const ArgList &Args, else ArchName = "arm"; - // Assembly files should start in ARM mode. - if (InputType != types::TY_PP_Asm && - Args.hasFlag(options::OPT_mthumb, options::OPT_mno_thumb, ThumbDefault)) + // Assembly files should start in ARM mode, unless arch is M-profile. + if (IsMProfile || (InputType != types::TY_PP_Asm && + Args.hasFlag(options::OPT_mthumb, options::OPT_mno_thumb, ThumbDefault))) { if (IsBigEndian) ArchName = "thumbeb"; |
