From 0841564bc41ede99171b1354f28c9bcb68340710 Mon Sep 17 00:00:00 2001
From: Chris Lattner <sabre@nondot.org>
Date: Thu, 22 Oct 2009 04:47:09 +0000
Subject: [PATCH] testcase for PR4678 & rdar://7309675

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@84830 91177308-0d34-0410-b5e6-96231b3b80d8
---
 test/FrontendC++/2009-08-03-Varargs.cpp |  5 -----
 test/FrontendC++/varargs.cpp            | 19 +++++++++++++++++++
 2 files changed, 19 insertions(+), 5 deletions(-)
 delete mode 100644 test/FrontendC++/2009-08-03-Varargs.cpp
 create mode 100644 test/FrontendC++/varargs.cpp

diff --git a/test/FrontendC++/2009-08-03-Varargs.cpp b/test/FrontendC++/2009-08-03-Varargs.cpp
deleted file mode 100644
index cea3894c84e..00000000000
--- a/test/FrontendC++/2009-08-03-Varargs.cpp
+++ /dev/null
@@ -1,5 +0,0 @@
-// RUN: %llvmgxx %s -S -emit-llvm -o - | grep _Z1az\(\.\.\.\)
-// XFAIL: *
-// PR4678
-void a(...) {
-}
diff --git a/test/FrontendC++/varargs.cpp b/test/FrontendC++/varargs.cpp
new file mode 100644
index 00000000000..1c07aedd093
--- /dev/null
+++ b/test/FrontendC++/varargs.cpp
@@ -0,0 +1,19 @@
+// RUN: %llvmgxx -S -emit-llvm %s -o - | FileCheck %s
+// rdar://7309675
+// PR4678
+
+// test1 should be compmiled to be a varargs function in the IR even 
+// though there is no way to do a va_begin.  Otherwise, the optimizer
+// will warn about 'dropped arguments' at the call site.
+
+// CHECK: define i32 @_Z5test1z(...)
+int test1(...) {
+  return -1;
+}
+
+// CHECK: call i32 (...)* @_Z5test1z(i32 0)
+void test() {
+  test1(0);
+}
+
+
-- 
2.34.1