From 2b6b257f4e5503a7a2675bdb8735693db769f75c Mon Sep 17 00:00:00 2001
From: Dimitry Andric <dim@FreeBSD.org>
Date: Sat, 23 Jul 2016 20:44:14 +0000
Subject: Vendor import of clang release_39 branch r276489:
 https://llvm.org/svn/llvm-project/cfe/branches/release_39@276489

---
 test/CodeGenCXX/cxx1z-lambda-star-this.cpp | 31 ++++++++++++++++++++++++++++++
 1 file changed, 31 insertions(+)
 create mode 100644 test/CodeGenCXX/cxx1z-lambda-star-this.cpp

(limited to 'test/CodeGenCXX/cxx1z-lambda-star-this.cpp')

diff --git a/test/CodeGenCXX/cxx1z-lambda-star-this.cpp b/test/CodeGenCXX/cxx1z-lambda-star-this.cpp
new file mode 100644
index 000000000000..a7e4aadbd573
--- /dev/null
+++ b/test/CodeGenCXX/cxx1z-lambda-star-this.cpp
@@ -0,0 +1,31 @@
+// RUN: %clang_cc1 -std=c++1y -triple i686-pc-windows-msvc -emit-llvm %s -o - | FileCheck %s
+//CHECK: %[[A_LAMBDA:.*]] = type { %struct.A }
+//CHECK: %[[B_LAMBDA:.*]] = type { %struct.B* }
+struct A {
+  double a = 111;
+  auto foo() { return [*this] { return a; }; }
+};
+
+namespace ns1 {
+int X = A{}.foo()();
+} //end ns1
+
+//CHECK: @"\01?foo@A@@QAE?A?<auto>@@XZ"(%struct.A* %this, %class.anon* noalias sret %[[A_LAMBDA_RETVAL:.*]])
+// get the first object with the closure type, which is of type 'struct.A'
+//CHECK: %[[I0:.+]] = getelementptr inbounds %[[A_LAMBDA]], %[[A_LAMBDA]]* %[[A_LAMBDA_RETVAL]], i32 0, i32 0
+//CHECK: %[[I1:.+]] = bitcast %struct.A* %[[I0]] to i8*
+//CHECK: %[[I2:.+]] = bitcast %struct.A* %this1 to i8*
+// copy the contents ...
+//CHECK: call void @llvm.memcpy.p0i8.p0i8.i32(i8* %[[I1]], i8* %[[I2]], i32 8, i32 8, i1 false)
+
+struct B {
+  double b = 222;
+  auto bar() { return [this] { return b; }; };
+};
+
+namespace ns2 {
+int X = B{}.bar()();
+}
+//CHECK: @"\01?bar@B@@QAE?A?<auto>@@XZ"(%struct.B* %this, %class.anon.0* noalias sret %agg.result)
+//CHECK: %[[I20:.+]] = getelementptr inbounds %class.anon.0, %class.anon.0* %agg.result, i32 0, i32 0
+//CHECK: store %struct.B* %this1, %struct.B** %[[I20]], align 4
-- 
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