diff options
Diffstat (limited to 'test/CodeGen/blocks.c')
| -rw-r--r-- | test/CodeGen/blocks.c | 34 |
1 files changed, 34 insertions, 0 deletions
diff --git a/test/CodeGen/blocks.c b/test/CodeGen/blocks.c index 2a8182691156..911c63e41d34 100644 --- a/test/CodeGen/blocks.c +++ b/test/CodeGen/blocks.c @@ -78,3 +78,37 @@ int main() { // CHECK: [[ONE:%.*]] = bitcast void (...)* [[ZERO]] to void ()* // CHECK-NEXT: br label [[CE:%.*]] +// Ensure that we don't emit helper code in copy/dispose routines for variables +// that are const-captured. +void testConstCaptureInCopyAndDestroyHelpers() { + const int x = 0; + __block int i; + (^ { i = x; })(); +} +// CHECK-LABEL: testConstCaptureInCopyAndDestroyHelpers_block_invoke + +// CHECK: @__copy_helper_block +// CHECK: alloca +// CHECK-NEXT: alloca +// CHECK-NEXT: store +// CHECK-NEXT: store +// CHECK-NEXT: load +// CHECK-NEXT: bitcast +// CHECK-NEXT: load +// CHECK-NEXT: bitcast +// CHECK-NEXT: getelementptr +// CHECK-NEXT: getelementptr +// CHECK-NEXT: load +// CHECK-NEXT: bitcast +// CHECK-NEXT: call void @_Block_object_assign +// CHECK-NEXT: ret + +// CHECK: @__destroy_helper_block +// CHECK: alloca +// CHECK-NEXT: store +// CHECK-NEXT: load +// CHECK-NEXT: bitcast +// CHECK-NEXT: getelementptr +// CHECK-NEXT: load +// CHECK-NEXT: call void @_Block_object_dispose +// CHECK-NEXT: ret |