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).
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@97859 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/CodeGen/CGBuiltin.cpp b/lib/CodeGen/CGBuiltin.cpp
index df6ac7f..8703c38 100644
--- a/lib/CodeGen/CGBuiltin.cpp
+++ b/lib/CodeGen/CGBuiltin.cpp
@@ -387,6 +387,22 @@
Value *Result = getTargetHooks().encodeReturnAddress(*this, Address);
return RValue::get(Result);
}
+ case Builtin::BI__builtin_dwarf_sp_column: {
+ const llvm::IntegerType *Ty
+ = cast<llvm::IntegerType>(ConvertType(E->getType()));
+ int Column = getTargetHooks().getDwarfEHStackPointer(CGM);
+ if (Column == -1) {
+ CGM.ErrorUnsupported(E, "__builtin_dwarf_sp_column");
+ return RValue::get(llvm::UndefValue::get(Ty));
+ }
+ return RValue::get(llvm::ConstantInt::get(Ty, Column, true));
+ }
+ case Builtin::BI__builtin_init_dwarf_reg_size_table: {
+ Value *Address = EmitScalarExpr(E->getArg(0));
+ if (getTargetHooks().initDwarfEHRegSizeTable(*this, Address))
+ CGM.ErrorUnsupported(E, "__builtin_init_dwarf_reg_size_table");
+ return RValue::get(llvm::UndefValue::get(ConvertType(E->getType())));
+ }
case Builtin::BI__builtin_eh_return: {
Value *Int = EmitScalarExpr(E->getArg(0));
Value *Ptr = EmitScalarExpr(E->getArg(1));