vendor/clang/clang-trunk-r351319

1 files changed, 56 insertions, 1 deletions

diff --git a/test/CodeGenCXX/blocks.cpp b/test/CodeGenCXX/blocks.cpp
index 37219d3f7abd..3b3363dc4175 100644
--- a/test/CodeGenCXX/blocks.cpp
+++ b/test/CodeGenCXX/blocks.cpp
@@ -1,5 +1,8 @@
 // RUN: %clang_cc1 %s -fblocks -triple x86_64-apple-darwin -emit-llvm -o - | FileCheck %s
 
+// CHECK: %[[STRUCT_BLOCK_DESCRIPTOR:.*]] = type { i64, i64 }
+// CHECK: @[[BLOCK_DESCRIPTOR22:.*]] = internal constant { i64, i64, i8*, i8*, i8*, i8* } { i64 0, i64 36, i8* bitcast (void (i8*, i8*)* @__copy_helper_block_8_32c22_ZTSN12_GLOBAL__N_11BE to i8*), i8* bitcast (void (i8*)* @__destroy_helper_block_8_32c22_ZTSN12_GLOBAL__N_11BE to i8*), i8* getelementptr inbounds ([6 x i8], [6 x i8]* @{{.*}}, i32 0, i32 0), i8* null }, align 8
+
 namespace test0 {
   // CHECK-LABEL: define void @_ZN5test04testEi(
   // CHECK: define internal void @___ZN5test04testEi_block_invoke{{.*}}(
@@ -73,6 +76,7 @@ namespace test2 {
   void test() {
     __block A a;
     __block B b;
+    ^{ (void)a; (void)b; };
   }
 
   // CHECK-LABEL: define internal void @__Block_byref_object_copy
@@ -122,7 +126,7 @@ namespace test4 {
   // CHECK-LABEL: define internal void @___ZN5test44testEv_block_invoke
   // CHECK: [[TMP:%.*]] = alloca [[A:%.*]], align 1
   // CHECK-NEXT: store i8* [[BLOCKDESC:%.*]], i8** {{.*}}, align 8
-  // CHECK-NEXT: bitcast i8* [[BLOCKDESC]] to <{ i8*, i32, i32, i8*, %struct.__block_descriptor* }>*
+  // CHECK-NEXT: bitcast i8* [[BLOCKDESC]] to <{ i8*, i32, i32, i8*, %[[STRUCT_BLOCK_DESCRIPTOR]]* }>*
   // CHECK:      call void @_ZN5test41AC1Ev([[A]]* [[TMP]])
   // CHECK-NEXT: call void @_ZN5test43fooENS_1AE([[A]]* [[TMP]])
   // CHECK-NEXT: call void @_ZN5test41AD1Ev([[A]]* [[TMP]])
@@ -252,3 +256,54 @@ namespace test9 {
     });
   }
 }
+
+namespace test10 {
+  // Check that 'v' is included in the copy helper function name to indicate
+  // the constructor taking a volatile parameter is called to copy the captured
+  // object.
+
+  // CHECK-LABEL: define linkonce_odr hidden void @__copy_helper_block_8_32c16_ZTSVN6test101BE(
+  // CHECK: call void @_ZN6test101BC1ERVKS0_(
+  // CHECK-LABEL: define linkonce_odr hidden void @__destroy_helper_block_8_32c16_ZTSVN6test101BE(
+  // CHECK: call void @_ZN6test101BD1Ev(
+
+  struct B {
+    int a;
+    B();
+    B(const B &);
+    B(const volatile B &);
+    ~B();
+  };
+
+  void test() {
+    volatile B x;
+    ^{ (void)x; };
+  }
+}
+
+// Copy/dispose helper functions and block descriptors of blocks that capture
+// objects that are non-external and non-trivial have internal linkage.
+
+// CHECK-LABEL: define internal void @_ZN12_GLOBAL__N_14testEv(
+// CHECK: store %[[STRUCT_BLOCK_DESCRIPTOR]]* bitcast ({ i64, i64, i8*, i8*, i8*, i8* }* @[[BLOCK_DESCRIPTOR22]] to %[[STRUCT_BLOCK_DESCRIPTOR]]*), %[[STRUCT_BLOCK_DESCRIPTOR]]** %{{.*}}, align 8
+
+// CHECK-LABEL: define internal void @__copy_helper_block_8_32c22_ZTSN12_GLOBAL__N_11BE(
+// CHECK-LABEL: define internal void @__destroy_helper_block_8_32c22_ZTSN12_GLOBAL__N_11BE(
+
+namespace {
+  struct B {
+    int a;
+    B();
+    B(const B &);
+    ~B();
+  };
+
+  void test() {
+    B x;
+    ^{ (void)x; };
+  }
+}
+
+void callTest() {
+  test();
+}