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e8b0947897
Markers are always eliminated before -O passes. At -Onone, markers can be enabled via command line for all -Onone passes.
62 lines
2.5 KiB
Swift
62 lines
2.5 KiB
Swift
// RUN: %target-swift-frontend -parse-as-library -Xllvm -sil-full-demangle -emit-sil -enforce-exclusivity=checked %s | %FileCheck %s
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public struct S {
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var i: Int
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var o: AnyObject
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}
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// CHECK-LABEL: sil [noinline] @_T023access_marker_mandatory5initSAA1SVSi_s9AnyObject_ptF : $@convention(thin) (Int, @owned AnyObject) -> @owned S {
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// CHECK: bb0(%0 : $Int, %1 : $AnyObject):
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// CHECK: [[STK:%.*]] = alloc_stack $S, var, name "s"
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// CHECK: cond_br %{{.*}}, bb1, bb2
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// CHECK: bb1:
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// CHECK: [[WRITE:%.*]] = begin_access [modify] [static] [[STK]] : $*S
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// CHECK: store %{{.*}} to [[WRITE]] : $*S
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// CHECK: end_access [[WRITE]]
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// CHECK: bb2:
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// CHECK: [[WRITE:%.*]] = begin_access [modify] [static] [[STK]] : $*S
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// CHECK: store %{{.*}} to [[WRITE]] : $*S
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// CHECK: end_access [[WRITE]]
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// CHECK: bb3:
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// CHECK: [[READ:%.*]] = begin_access [read] [static] [[STK]] : $*S
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// CHECK: [[RET:%.*]] = load [[READ]] : $*S
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// CHECK: end_access [[READ]]
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// CHECK: destroy_addr [[STK]]
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// CHECK: dealloc_stack [[STK]]
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// CHECK: return [[RET]] : $S
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// CHECK-LABEL: } // end sil function '_T023access_marker_mandatory5initSAA1SVSi_s9AnyObject_ptF'
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@inline(never)
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public func initS(_ x: Int, _ o: AnyObject) -> S {
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var s: S
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if x == 0 {
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s = S(i: 1, o: o)
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} else {
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s = S(i: x, o: o)
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}
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return s
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}
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@inline(never)
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func takeS(_ s: S) {}
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// CHECK-LABEL: sil @_T023access_marker_mandatory14modifyAndReadSys9AnyObject_p1o_tF : $@convention(thin) (@owned AnyObject) -> () {
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// CHECK: bb0(%0 : $AnyObject):
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// CHECK: [[STK:%.*]] = alloc_stack $S, var, name "s"
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// CHECK: [[FINIT:%.*]] = function_ref @_T023access_marker_mandatory5initSAA1SVSi_s9AnyObject_ptF : $@convention(thin) (Int, @owned AnyObject) -> @owned S
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// CHECK: [[INITS:%.*]] = apply [[FINIT]](%{{.*}}, %0) : $@convention(thin) (Int, @owned AnyObject) -> @owned S
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// CHECK: store [[INITS]] to [[STK]] : $*S
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// CHECK: [[WRITE:%.*]] = begin_access [modify] [static] [[STK]] : $*S
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// CHECK: [[ADDRI:%.*]] = struct_element_addr [[WRITE]] : $*S, #S.i
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// CHECK: store %{{.*}} to [[ADDRI]] : $*Int
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// CHECK: end_access [[WRITE]]
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// CHECK: [[FTAKE:%.*]] = function_ref @_T023access_marker_mandatory5takeSyAA1SVF : $@convention(thin) (@owned S) -> ()
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// CHECK: [[READ:%.*]] = begin_access [read] [static] [[STK]] : $*S
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// CHECK: end_access [[READ]]
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// CHECK: apply [[FTAKE]](%{{.*}}) : $@convention(thin) (@owned S) -> ()
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// CHECK-LABEL: } // end sil function '_T023access_marker_mandatory14modifyAndReadSys9AnyObject_p1o_tF'
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public func modifyAndReadS(o: AnyObject) {
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var s = initS(3, o)
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s.i = 42
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takeS(s)
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}
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