| // RUN: %target-swift-frontend -Onone -emit-sil -parse-as-library %s | %FileCheck %s --check-prefix=CHECK --check-prefix=NONE |
| // RUN: %target-swift-frontend -Osize -emit-sil -parse-as-library %s | %FileCheck %s --check-prefix=CHECK --check-prefix=OPT |
| // RUN: %target-swift-frontend -O -emit-sil -parse-as-library %s | %FileCheck %s --check-prefix=CHECK --check-prefix=OPT |
| // RUN: %target-swift-frontend -Ounchecked -emit-sil -parse-as-library %s | %FileCheck %s --check-prefix=CHECK --check-prefix=UNCHECKED |
| |
| @inline(never) |
| func takesInoutAndEscaping(_: inout Int, _ f: @escaping () -> ()) { |
| f() |
| } |
| |
| @inline(never) |
| func escapeClosure(_ f: @escaping () -> ()) -> () -> () { |
| return f |
| } |
| |
| public func accessIntTwice() { |
| var x = 0 |
| takesInoutAndEscaping(&x, escapeClosure({ x = 3 })) |
| } |
| |
| // accessIntTwice() |
| // CHECK-LABEL: sil @$s26access_enforcement_options0A8IntTwiceyyF : $@convention(thin) () -> () { |
| // CHECK: [[BOX:%.*]] = alloc_box ${ var Int }, var, name "x" |
| // CHECK: [[PROJ:%.*]] = project_box [[BOX]] : ${ var Int }, 0 |
| // NONE: [[ACCESS:%.*]] = begin_access [modify] [dynamic] [[PROJ]] : $*Int |
| // OPT: [[ACCESS:%.*]] = begin_access [modify] [dynamic] [[PROJ]] : $*Int |
| // UNCHECKED-NOT: = begin_access |
| // CHECK-LABEL: } // end sil function '$s26access_enforcement_options0A8IntTwiceyyF' |
| |
| // closure #1 in accessIntTwice() |
| // CHECK-LABEL: sil private @$s26access_enforcement_options0A8IntTwiceyyFyycfU_ : $@convention(thin) (@guaranteed { var Int }) -> () { |
| // CHECK: bb0(%0 : ${ var Int }): |
| // CHECK: [[PROJ:%.*]] = project_box %0 : ${ var Int }, 0 |
| // NONE: [[ACCESS:%.*]] = begin_access [modify] [dynamic] [[PROJ]] : $*Int |
| // OPT: [[ACCESS:%.*]] = begin_access [modify] [dynamic] [no_nested_conflict] [[PROJ]] : $*Int |
| // UNCHECKED-NOT: = begin_access |
| // CHECK-LABEL: } // end sil function '$s26access_enforcement_options0A8IntTwiceyyFyycfU_' |
