From bfef399519ca9b8a4b4c6b563253bad7e0eeffe0 Mon Sep 17 00:00:00 2001
From: Dimitry Andric <dim@FreeBSD.org>
Date: Sun, 22 Dec 2013 00:07:40 +0000
Subject: Vendor import of clang release_34 branch r197841 (effectively, 3.4
 RC3): https://llvm.org/svn/llvm-project/cfe/branches/release_34@197841

---
 test/CodeGenCXX/static-init-pnacl.cpp | 14 ++++++++++++++
 1 file changed, 14 insertions(+)
 create mode 100644 test/CodeGenCXX/static-init-pnacl.cpp

(limited to 'test/CodeGenCXX/static-init-pnacl.cpp')

diff --git a/test/CodeGenCXX/static-init-pnacl.cpp b/test/CodeGenCXX/static-init-pnacl.cpp
new file mode 100644
index 000000000000..de35ec3847fa
--- /dev/null
+++ b/test/CodeGenCXX/static-init-pnacl.cpp
@@ -0,0 +1,14 @@
+// RUN: %clang_cc1 -emit-llvm -triple=le32-unknown-nacl -o - %s | FileCheck %s
+
+int f();
+
+// Test that PNaCl uses the Itanium/x86 ABI in which the static
+// variable's guard variable is tested via "load i8 and compare with
+// zero" rather than the ARM ABI which uses "load i32 and test the
+// bottom bit".
+void g() {
+  static int a = f();
+}
+// CHECK: [[LOAD:%.*]] = load atomic i8* bitcast (i64* @_ZGVZ1gvE1a to i8*) acquire
+// CHECK-NEXT: [[GUARD:%.*]] = icmp eq i8 [[LOAD]], 0
+// CHECK-NEXT: br i1 [[GUARD]]
-- 
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