|  | // RUN: %clang_cc1 -x c -fblocks -debug-info-kind=standalone -emit-llvm -O0 \ | 
|  | // RUN:   -triple x86_64-apple-darwin -o - %s | FileCheck %s | 
|  | // RUN: %clang_cc1 -x c -fblocks -debug-info-kind=standalone -emit-llvm -O1 \ | 
|  | // RUN:   -triple x86_64-apple-darwin -o - %s \ | 
|  | // RUN:   | FileCheck --check-prefix=CHECK-OPT %s | 
|  |  | 
|  | // CHECK: define internal void @__f_block_invoke(i8* %.block_descriptor) | 
|  | // CHECK: %.block_descriptor.addr = alloca i8*, align 8 | 
|  | // CHECK: %block.addr = alloca <{ i8*, i32, i32, i8*, %struct.__block_descriptor* }>*, align 8 | 
|  | // CHECK: store i8* %.block_descriptor, i8** %.block_descriptor.addr, align 8 | 
|  | // CHECK: call void @llvm.dbg.declare(metadata i8** %.block_descriptor.addr, | 
|  | // CHECK-SAME:                        metadata !DIExpression()) | 
|  | // CHECK-OPT-NOT: alloca | 
|  | // CHECK-OPT: call void @llvm.dbg.value(metadata i8* %.block_descriptor, | 
|  | // CHECK-OPT-SAME:                      metadata !DIExpression()) | 
|  | void f() { | 
|  | a(^{ | 
|  | b(); | 
|  | }); | 
|  | } |