[cfe-commits] r55991 - /cfe/trunk/lib/CodeGen/CGObjCMac.cpp

[Anders Carlsson]

Author: andersca
Date: Tue Sep  9 11:16:55 2008
New Revision: 55991

URL: http://llvm.org/viewvc/llvm-project?rev=55991&view=rev
Log:
Simple @throw support.

Modified:
    cfe/trunk/lib/CodeGen/CGObjCMac.cpp

Modified: cfe/trunk/lib/CodeGen/CGObjCMac.cpp
URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/lib/CodeGen/CGObjCMac.cpp?rev=55991&r1=55990&r2=55991&view=diff

==============================================================================
--- cfe/trunk/lib/CodeGen/CGObjCMac.cpp (original)
+++ cfe/trunk/lib/CodeGen/CGObjCMac.cpp Tue Sep  9 11:16:55 2008
@@ -1429,7 +1429,18 @@
 void CGObjCMac::EmitThrowStmt(CodeGen::CodeGenFunction &CGF,
                               const ObjCAtThrowStmt &S)
 {
-  CGF.ErrorUnsupported(&S, "@throw statement");
+  llvm::Value *ExceptionAsObject;
+  
+  if (const Expr *ThrowExpr = S.getThrowExpr()) {
+    llvm::Value *Exception = CGF.EmitScalarExpr(ThrowExpr);
+    ExceptionAsObject = 
+      CGF.Builder.CreateBitCast(Exception, ObjCTypes.ObjectPtrTy, "tmp");
+  } else {
+    assert(0 && "FIXME: rethrows not supported!");
+  }
+  
+  CGF.Builder.CreateCall(ObjCTypes.ExceptionThrowFn, ExceptionAsObject);
+
 }
 
 /* *** Private Interface *** */