Implement __builtin_dwarf_sp_column for i386 (Darwin and not), x86-64 (all),

and ARM.  Implement __builtin_init_dwarf_reg_size_table for i386 (both) and
x86-64 (all).

llvm-svn: 97859

clang/lib/CodeGen/CodeGenModule.cpp

@@ -33,6 +33,7 @@
 #include "llvm/Module.h"
 #include "llvm/Intrinsics.h"
 #include "llvm/LLVMContext.h"
+#include "llvm/ADT/Triple.h"
 #include "llvm/Target/TargetData.h"
 #include "llvm/Support/ErrorHandling.h"
 using namespace clang;
@@ -89,6 +90,10 @@ void CodeGenModule::Release() {
   EmitLLVMUsed();
 }
 
+bool CodeGenModule::isTargetDarwin() const {
+  return getContext().Target.getTriple().getOS() == llvm::Triple::Darwin;
+}
+
 /// ErrorUnsupported - Print out an error that codegen doesn't support the
 /// specified stmt yet.
 void CodeGenModule::ErrorUnsupported(const Stmt *S, const char *Type,