Add an addition check for undefined behavior for when we hit a
__builtin_unreachable. WIP.
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@91499 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/CodeGen/CGBuiltin.cpp b/lib/CodeGen/CGBuiltin.cpp
index c704432..96bc3ef 100644
--- a/lib/CodeGen/CGBuiltin.cpp
+++ b/lib/CodeGen/CGBuiltin.cpp
@@ -229,6 +229,8 @@
return RValue::get(Builder.CreateCall(F));
}
case Builtin::BI__builtin_unreachable: {
+ if (CatchUndefined && HaveInsertPoint())
+ EmitBranch(getTrapBB());
Value *V = Builder.CreateUnreachable();
Builder.ClearInsertionPoint();
return RValue::get(V);