Vendor import of clang trunk r256633:

https://llvm.org/svn/llvm-project/cfe/trunk@256633

1 files changed, 27 insertions, 0 deletions

diff --git a/test/CodeGenCXX/pass-object-size.cpp b/test/CodeGenCXX/pass-object-size.cpp
new file mode 100644
index 0000000..254669b
--- /dev/null
+++ b/test/CodeGenCXX/pass-object-size.cpp
@@ -0,0 +1,27 @@
+// RUN: %clang_cc1 -triple x86_64-apple-darwin -emit-llvm -O0 %s -o - 2>&1 -std=c++11 | FileCheck %s
+
+int gi;
+
+namespace lambdas {
+// CHECK-LABEL: define void @_ZN7lambdas7LambdasEPc
+void Lambdas(char *ptr) {
+  auto L1 = [](void *const p __attribute__((pass_object_size(0)))) {
+    return __builtin_object_size(p, 0);
+  };
+
+  int i = 0;
+  auto L2 = [&i](void *const p __attribute__((pass_object_size(0)))) {
+    return __builtin_object_size(p, 0) + i;
+  };
+
+  // CHECK: @llvm.objectsize
+  gi = L1(ptr);
+  // CHECK: @llvm.objectsize
+  gi = L2(ptr);
+}
+
+// CHECK-DAG: define internal i64 @"_ZZN7lambdas7LambdasEPcENK3$_0clEPvU17pass_object_size0"
+// CHECK-NOT: call i64 @llvm.objectsize
+// CHECK-DAG: define internal i64 @"_ZZN7lambdas7LambdasEPcENK3$_1clEPvU17pass_object_size0"
+// CHECK-NOT: call i64 @llvm.objectsize
+}