File: constant_propagation_availability.swift

package info (click to toggle)
swiftlang 6.1.3-1
  • links: PTS, VCS
  • area: main
  • in suites: forky
  • size: 2,791,532 kB
  • sloc: cpp: 9,901,743; ansic: 2,201,431; asm: 1,091,827; python: 308,252; objc: 82,166; f90: 80,126; lisp: 38,358; pascal: 25,559; sh: 20,429; ml: 5,058; perl: 4,745; makefile: 4,484; awk: 3,535; javascript: 3,018; xml: 918; fortran: 664; cs: 573; ruby: 396
file content (72 lines) | stat: -rw-r--r-- 3,640 bytes parent folder | download
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
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
// RUN: %target-swift-frontend -target %target-cpu-apple-macos10.15 -emit-sil %s | %FileCheck --check-prefix=CHECK-macosx10_15 %s
// RUN: %target-swift-frontend -target %target-cpu-apple-macos10.14 -emit-sil %s | %FileCheck --check-prefix=CHECK-macosx10_14 %s
// RUN: %target-swift-frontend -O -target %target-cpu-apple-macos10.15 -emit-sil %s | %FileCheck --check-prefix=CHECK-macosx10_15 --check-prefix=CHECK-macosx10_15_opt %s
// RUN: %target-swift-frontend -O -target %target-cpu-apple-macos10.14 -emit-sil %s | %FileCheck --check-prefix=CHECK-macosx10_14 %s

// RUN: %empty-directory(%t) 
// RUN: %target-swift-frontend -O -target %target-cpu-apple-macos10.15 -module-name=Test -emit-module -emit-module-path %t/Test.swiftmodule %s
// RUN: %sil-opt -target %target-cpu-apple-macos10.15 %t/Test.swiftmodule | %FileCheck --check-prefix=CHECK-inlinable %s

// REQUIRES: OS=macosx

@available(macOS 10.15, *)
@inline(never)
public func newFunction() -> Int {
  return 0
}

@inline(never)
public func oldFunction() -> Int {
  return 1
}

public func testAvailabilityPropagation() -> Int {
  if #available(macOS 10.15, *) {
    return newFunction()
  } else {
    return oldFunction()
  }
}

@inlinable
public func testInlinable() -> Int {
  if #available(macOS 10.15, *) {
    return newFunction()
  } else {
    return 0
  }
}

// CHECK-macosx10_15-LABEL: sil @$s33constant_propagation_availability27testAvailabilityPropagationSiyF : $@convention(thin) () -> Int {
// CHECK-macosx10_15-NOT: apply
// CHECK-macosx10_15:  [[F:%.*]] = function_ref @$s33constant_propagation_availability11newFunctionSiyF
// CHECK-macosx10_15:  apply [[F]]() : $@convention(thin) () -> Int
// CHECK-macosx10_15-NOT: apply
// CHECK-macosx10_15: } // end sil function '$s33constant_propagation_availability27testAvailabilityPropagationSiyF'

// After serialization, availability checks can be constant folded.

// CHECK-macosx10_15_opt-LABEL: sil @$s33constant_propagation_availability13testInlinableSiyF : $@convention(thin) () -> Int {
// CHECK-macosx10_15_opt-NOT: apply
// CHECK-macosx10_15_opt:  [[F:%.*]] = function_ref @$s33constant_propagation_availability11newFunctionSiyF
// CHECK-macosx10_15_opt:  apply [[F]]() : $@convention(thin) () -> Int
// CHECK-macosx10_15_opt-NOT: apply
// CHECK-macosx10_15_opt: } // end sil function '$s33constant_propagation_availability13testInlinableSiyF'

// CHECK-macosx10_14-LABEL: sil @$s33constant_propagation_availability27testAvailabilityPropagationSiyF : $@convention(thin) () -> Int {
// CHECK-macosx10_14:  [[F:%.*]] = function_ref @$ss26_stdlib_isOSVersionAtLeastyBi1_Bw_BwBwtF
// CHECK-macosx10_14:  apply [[F]]
// CHECK-macosx10_14:  [[F:%.*]] = function_ref @$s33constant_propagation_availability11newFunctionSiyF
// CHECK-macosx10_14:  apply [[F]]() : $@convention(thin) () -> Int
// CHECK-macosx10_14:  [[F:%.*]] = function_ref @$s33constant_propagation_availability11oldFunctionSiyF
// CHECK-macosx10_14:  apply [[F]]
// CHECK-macosx10_14: } // end sil function '$s33constant_propagation_availability27testAvailabilityPropagationSiyF'

// CHECK-macosx10_14: sil [no_locks] [readnone] [_semantics "availability.osversion"] @$ss26_stdlib_isOSVersionAtLeastyBi1_Bw_BwBwtF

// CHECK-inlinable-LABEL: sil {{.*}} @$s4Test13testInlinableSiyF  : $@convention(thin) () -> Int {
// CHECK-inlinable:  [[F:%.*]] = function_ref @$ss26_stdlib_isOSVersionAtLeastyBi1_Bw_BwBwtF
// CHECK-inlinable:  apply [[F]]
// CHECK-inlinable:  [[F:%.*]] = function_ref @$s4Test11newFunctionSiyF
// CHECK-inlinable:  apply [[F]]() : $@convention(thin) () -> Int
// CHECK-inlinable: } // end sil function '$s4Test13testInlinableSiyF'