Proper exception handling

Implement exceptions using setjmp/longjmp. The
advantage is that this removes all exception
handling overhead from regular code, the only
code that still has a (very small) overhead
is the try{} catch() {} statement.

Change-Id: I43d6a60dfc9dfd4b7a20d2e99ab0a9315b4d8a2f
Reviewed-by: Simon Hausmann <simon.hausmann@digia.com>

1 files changed, 0 insertions, 7 deletions

diff --git a/qv4isel_llvm.cpp b/qv4isel_llvm.cpp
index eae3bc46a3..040111f5ac 100644
--- a/qv4isel_llvm.cpp
+++ b/qv4isel_llvm.cpp
@@ -935,13 +935,6 @@ void LLVMInstructionSelection::genCallName(IR::Call *e, llvm::Value *result)
             _llvmValue = llvm::UndefValue::get(_valueTy);
             return;
 
-        case IR::Name::builtin_rethrow:
-            CreateCall2(_llvmModule->getFunction("__qmljs_llvm_rethrow"),
-                        _llvmFunction->arg_begin(), result);
-            _llvmValue = CreateLoad(result);
-            return;
-        }
-
         Q_UNREACHABLE();
     } else {
         llvm::Value *name = getIdentifier(*base->id);