Add an addition check for undefined behavior for when we hit a

__builtin_unreachable. WIP. llvm-svn: 91499
2009-12-16 03:07:12 +00:00 · 2009-12-16 03:07:12 +00:00 · b85ffb689e
parent 3f6f9febad
commit b85ffb689e
1 changed files with 2 additions and 0 deletions
--- a/clang/lib/CodeGen/CGBuiltin.cpp
+++ b/clang/lib/CodeGen/CGBuiltin.cpp
@ -229,6 +229,8 @@ RValue CodeGenFunction::EmitBuiltinExpr(const FunctionDecl *FD,
    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);