1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
|
// RUN: %target-swift-frontend -experimental-performance-annotations %s -O -sil-verify-all -module-name=test -emit-sil | %FileCheck %s
// REQUIRES: swift_in_compiler
// Check that constant propagation of MemoryLayout is also done at -Onone to ensure that
// no metadata is created at runtime - which would violate the performance annotation.
// CHECK-LABEL: sil [no_locks] [perf_constraint] @$s4test7getSizeSiyF
// CHECK: [[I:%[0-9]+]] = integer_literal {{.*}}, 4
// CHECK: [[S:%[0-9]+]] = struct {{.*}}([[I]]
// CHECK: return [[S]]
// CHECK: } // end sil function '$s4test7getSizeSiyF'
@_noLocks
public func getSize() -> Int {
return MemoryLayout<Int32>.size
}
// CHECK-LABEL: sil [no_locks] [perf_constraint] @$s4test12getAlignmentSiyF
// CHECK: [[I:%[0-9]+]] = integer_literal {{.*}}, 4
// CHECK: [[S:%[0-9]+]] = struct {{.*}}([[I]]
// CHECK: return [[S]]
// CHECK: } // end sil function '$s4test12getAlignmentSiyF'
@_noLocks
public func getAlignment() -> Int {
return MemoryLayout<Int32>.alignment
}
// CHECK-LABEL: sil [no_locks] [perf_constraint] @$s4test9getStrideSiyF
// CHECK: [[I:%[0-9]+]] = integer_literal {{.*}}, 4
// CHECK: [[S:%[0-9]+]] = struct {{.*}}([[I]]
// CHECK: return [[S]]
// CHECK: } // end sil function '$s4test9getStrideSiyF'
@_noLocks
public func getStride() -> Int {
return MemoryLayout<Int32>.stride
}
|
