From: Daniel Dunbar <daniel@zuster.org>
Date: Mon, 2 Mar 2009 05:20:36 +0000 (+0000)
Subject: Make sure to invoke (not call) to objc_exception_throw if necessary.
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=cec4c77bf422528f4536d30574b82f878bc705b3;p=clang

Make sure to invoke (not call) to objc_exception_throw if necessary.


git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@65808 91177308-0d34-0410-b5e6-96231b3b80d8
---

diff --git a/lib/CodeGen/CGObjCMac.cpp b/lib/CodeGen/CGObjCMac.cpp
index b45f1e4dde..eee9d438c6 100644
--- a/lib/CodeGen/CGObjCMac.cpp
+++ b/lib/CodeGen/CGObjCMac.cpp
@@ -4844,8 +4844,17 @@ void CGObjCNonFragileABIMac::EmitThrowStmt(CodeGen::CodeGenFunction &CGF,
     llvm::Value *Exception = CGF.EmitScalarExpr(ThrowExpr);
     ExceptionAsObject = 
       CGF.Builder.CreateBitCast(Exception, ObjCTypes.ObjectPtrTy, "tmp");
-    
-    CGF.Builder.CreateCall(ObjCTypes.ExceptionThrowFn, ExceptionAsObject);
+
+    llvm::BasicBlock *InvokeDest = CGF.getInvokeDest();
+    if (InvokeDest) {
+      llvm::BasicBlock *Cont = CGF.createBasicBlock("invoke.cont");
+      CGF.Builder.CreateInvoke(ObjCTypes.ExceptionThrowFn,
+                               Cont, InvokeDest,
+                               &ExceptionAsObject, &ExceptionAsObject + 1);
+      CGF.EmitBlock(Cont);
+    } else
+      CGF.Builder.CreateCall(ObjCTypes.ExceptionThrowFn, ExceptionAsObject);
+
     CGF.Builder.CreateUnreachable();
   } else {
     CGF.ErrorUnsupported(&S, "rethrow statement");