Add the clang library to the repo (with some of my changes, too).

1 files changed, 24 insertions, 0 deletions

diff --git a/clang/test/CodeGen/unwind-attr.c b/clang/test/CodeGen/unwind-attr.c
new file mode 100644
index 0000000..c588ca8
--- /dev/null
+++ b/clang/test/CodeGen/unwind-attr.c
@@ -0,0 +1,24 @@
+// RUN: %clang_cc1 -fexceptions -emit-llvm -o - %s | FileCheck %s
+// RUN: %clang_cc1 -emit-llvm -o - %s | FileCheck -check-prefix NOEXC %s
+
+int opaque();
+
+// CHECK:       define [[INT:i.*]] @test0() {
+// CHECK-NOEXC: define [[INT:i.*]] @test0() nounwind {
+int test0(void) {
+  return opaque();
+}
+
+// <rdar://problem/8087431>: locally infer nounwind at -O0
+// CHECK:       define [[INT:i.*]] @test1() nounwind {
+// CHECK-NOEXC: define [[INT:i.*]] @test1() nounwind {
+int test1(void) {
+  return 0;
+}
+
+// <rdar://problem/8283071>: not for weak functions
+// CHECK:       define weak [[INT:i.*]] @test2() {
+// CHECK-NOEXC: define weak [[INT:i.*]] @test2() nounwind {
+__attribute__((weak)) int test2(void) {
+  return 0;
+}