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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.
44 lines
1.4 KiB
Plaintext
44 lines
1.4 KiB
Plaintext
// RUN: %target-sil-opt -enforce-exclusivity=checked -emit-sorted-sil -full-access-marker-elim %s | %FileCheck %s
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sil_stage raw
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import Builtin
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import Swift
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import SwiftShims
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public struct S {
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@sil_stored var i: Builtin.Int64 { get set }
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init(i: Int)
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}
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// CHECK-LABEL: sil hidden [noinline] @initS : $@convention(thin) () -> @owned S {
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// CHECK: bb0:
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// CHECK: %[[BOX:.*]] = alloc_box ${ var S }, var, name "s"
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// CHECK: %[[ADDRS:.*]] = project_box %[[BOX]] : ${ var S }, 0
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// CHECK: %[[NUM:.*]] = integer_literal $Builtin.Int64, 1
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// CHECK-NOT: begin_access
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// CHECK: %[[ADDRI:.*]] = struct_element_addr %[[ADDRS]] : $*S, #S.i
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// CHECK: assign %[[NUM]] to %[[ADDRI]] : $*Builtin.Int64
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// CHECK-NOT: end_access
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// CHECK-NOT: begin_access
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// CHECK: %[[VALS:.*]] = load [trivial] %[[ADDRS]] : $*S
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// CHECK-NOT: end_access
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// CHECK: destroy_value %[[BOX]] : ${ var S }
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// CHECK: return %[[VALS]] : $S
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// CHECK-LABEL: } // end sil function 'initS'
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sil hidden [noinline] @initS : $@convention(thin) () -> @owned S {
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bb0:
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%0 = alloc_box ${ var S }, var, name "s"
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%1 = project_box %0 : ${ var S }, 0
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%2 = integer_literal $Builtin.Int64, 1
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%3 = begin_access [modify] [unknown] %1 : $*S
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%4 = struct_element_addr %3 : $*S, #S.i
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assign %2 to %4 : $*Builtin.Int64
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end_access %3 : $*S
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%7 = begin_access [read] [unknown] %1 : $*S
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%8 = load [trivial] %7 : $*S
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end_access %7 : $*S
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destroy_value %0 : ${ var S }
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return %8 : $S
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}
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