When an exception needs to be freed by calling __cxa_exception_free, make sure to stash away the exception pointer somewhere.

This fixes an "Instruction does not dominate all uses!" verification error when compiling TableGen.



git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@91084 91177308-0d34-0410-b5e6-96231b3b80d8

1 files changed, 18 insertions, 0 deletions

diff --git a/test/CodeGenCXX/exceptions.cpp b/test/CodeGenCXX/exceptions.cpp
new file mode 100644
index 0000000000..396ff441ef
--- /dev/null
+++ b/test/CodeGenCXX/exceptions.cpp
@@ -0,0 +1,18 @@
+// RUN: clang-cc %s -triple=x86_64-apple-darwin10 -emit-llvm -o - -fexceptions
+
+struct allocator {
+  allocator();
+  allocator(const allocator&);
+  ~allocator();
+};
+
+void f();
+void g(bool b, bool c) {
+  if (b) {
+    if (!c)
+    throw allocator();
+
+    return;
+  }
+  f();
+}