NeXT: Clean up dispatch method policy selection.
- Replace -cc1 level -fobjc-legacy-dispatch with -fobjc-dispatch-method={legacy,non-legacy,mixed}.
- Lift "mixed" vs "non-mixed" policy choice up to driver level, instead of being buried in CGObjCMac.cpp.
- No intended functionality change.
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@102255 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Driver/ToolChains.h b/lib/Driver/ToolChains.h
index 9e61b89..a307b2b 100644
--- a/lib/Driver/ToolChains.h
+++ b/lib/Driver/ToolChains.h
@@ -168,6 +168,12 @@
return (getTriple().getArch() == llvm::Triple::arm ||
getTriple().getArch() == llvm::Triple::thumb);
}
+ virtual bool UseObjCMixedDispatch() const {
+ // Mixed dispatch is only used on x86_64 for 10.6 and later.
+ return (!isTargetIPhoneOS() &&
+ getTriple().getArch() == llvm::Triple::x86_64 &&
+ !isMacosxVersionLT(10, 6));
+ }
virtual bool IsUnwindTablesDefault() const;
virtual unsigned GetDefaultStackProtectorLevel() const {
// Stack protectors default to on for 10.6 and beyond.