diff options
Diffstat (limited to 'lib/Driver/ToolChains.h')
-rw-r--r-- | lib/Driver/ToolChains.h | 17 |
1 files changed, 13 insertions, 4 deletions
diff --git a/lib/Driver/ToolChains.h b/lib/Driver/ToolChains.h index 0d5b2a3..9acc950 100644 --- a/lib/Driver/ToolChains.h +++ b/lib/Driver/ToolChains.h @@ -160,13 +160,20 @@ public: return !isMacosxVersionLT(10, 6); } virtual bool IsObjCNonFragileABIDefault() const { - // Non-fragile ABI default to on for iPhoneOS and x86-64. - return isTargetIPhoneOS() || getTriple().getArch() == llvm::Triple::x86_64; + // Non-fragile ABI is default for everything but i386. + return getTriple().getArch() != llvm::Triple::x86; } virtual bool IsObjCLegacyDispatchDefault() const { // This is only used with the non-fragile ABI. - return (getTriple().getArch() == llvm::Triple::arm || - getTriple().getArch() == llvm::Triple::thumb); + + // Legacy dispatch is used everywhere except on x86_64. + return getTriple().getArch() != llvm::Triple::x86_64; + } + virtual bool UseObjCMixedDispatch() const { + // This is only used with the non-fragile ABI and non-legacy dispatch. + + // Mixed dispatch is used everywhere except OS X before 10.6. + return !(!isTargetIPhoneOS() && isMacosxVersionLT(10, 6)); } virtual bool IsUnwindTablesDefault() const; virtual unsigned GetDefaultStackProtectorLevel() const { @@ -176,6 +183,8 @@ public: virtual const char *GetDefaultRelocationModel() const; virtual const char *GetForcedPicModel() const; + virtual bool SupportsObjCGC() const; + virtual bool UseDwarfDebugFlags() const; virtual bool UseSjLjExceptions() const; |