Basic coverage test for conversion-to-block-pointer for lambda expressions.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@151616 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/test/CodeGenObjCXX/lambda-expressions.mm b/test/CodeGenObjCXX/lambda-expressions.mm
new file mode 100644 (file)
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--- /dev/null
+++ b/test/CodeGenObjCXX/lambda-expressions.mm
@@ -0,0 +1,18 @@
+// RUN: %clang_cc1 -triple x86_64-apple-darwin10.0.0 -emit-llvm -o - %s -fexceptions -std=c++11 -fblocks -fobjc-arc | FileCheck -check-prefix=ARC %s
+// RUN: %clang_cc1 -triple x86_64-apple-darwin10.0.0 -emit-llvm -o - %s -fexceptions -std=c++11 -fblocks | FileCheck -check-prefix=MRC %s
+
+typedef int (^fp)();
+fp f() { auto x = []{ return 3; }; return x; }
+
+// MRC: define internal i32 ()* @"_ZZ1fvENK3$_0cvU13block_pointerFivEEv"
+// MRC: store i8* bitcast (i8** @_NSConcreteStackBlock to i8*)
+// MRC: store i8* bitcast (i32 (i8*)* @"___ZZ1fvENK3$_0cvU13block_pointerFivEEv_block_invoke_0" to i8*)
+// MRC: call i32 ()* (i8*, i8*)* bitcast (i8* (i8*, i8*, ...)* @objc_msgSend to i32 ()* (i8*, i8*)*)
+// MRC: call i32 ()* (i8*, i8*)* bitcast (i8* (i8*, i8*, ...)* @objc_msgSend to i32 ()* (i8*, i8*)*)
+// MRC: ret i32 ()*
+
+// ARC: define internal i32 ()* @"_ZZ1fvENK3$_0cvU13block_pointerFivEEv"
+// ARC: store i8* bitcast (i8** @_NSConcreteStackBlock to i8*)
+// ARC: store i8* bitcast (i32 (i8*)* @"___ZZ1fvENK3$_0cvU13block_pointerFivEEv_block_invoke_0" to i8*)
+// ARC: call i8* @objc_retainBlock
+// ARC: call i8* @objc_autoreleaseReturnValue