File: throw-trap.swift

package info (click to toggle)
swiftlang 6.0.3-2
  • links: PTS, VCS
  • area: main
  • in suites: forky, sid, trixie
  • size: 2,519,992 kB
  • sloc: cpp: 9,107,863; ansic: 2,040,022; asm: 1,135,751; python: 296,500; objc: 82,456; f90: 60,502; lisp: 34,951; pascal: 19,946; sh: 18,133; perl: 7,482; ml: 4,937; javascript: 4,117; makefile: 3,840; awk: 3,535; xml: 914; fortran: 619; cs: 573; ruby: 573
file content (42 lines) | stat: -rw-r--r-- 1,495 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
// RUN: not %target-swift-frontend -emit-ir %s -enable-experimental-feature Embedded 2>&1 | %FileCheck %s --check-prefix CHECK-EXISTENTIALS
// RUN: %target-swift-frontend -emit-sil %s -enable-experimental-feature Embedded -throws-as-traps | %FileCheck %s --check-prefix CHECK-TRAPS-SIL
// RUN: %target-swift-frontend -emit-ir %s -enable-experimental-feature Embedded -throws-as-traps | %FileCheck %s --check-prefix CHECK-TRAPS-IR

// REQUIRES: swift_in_compiler
// REQUIRES: OS=macosx || OS=linux-gnu

enum MyError : Error {
  case a
}

public func throwing1() throws -> Int {
  throw MyError.a
}

public func catching1() {
  do {
    try throwing1()
  } catch let e as MyError {
    _ = e
  } catch {
    _ = error
  }
}

// CHECK-EXISTENTIALS: error: cannot use a value of protocol type 'any Error' in embedded Swift

// CHECK-TRAPS-SIL:      sil @$s4main9throwing1SiyKF : $@convention(thin) () -> (Int, @error any Error) {
// CHECK-TRAPS-SIL-NEXT: bb0:
// CHECK-TRAPS-SIL-NEXT:   debug_value
// CHECK-TRAPS-SIL-NEXT:   %1 = integer_literal $Builtin.Int1, -1
// CHECK-TRAPS-SIL-NEXT:   cond_fail %1 : $Builtin.Int1, "throw turned into a trap"
// CHECK-TRAPS-SIL-NEXT:   unreachable
// CHECK-TRAPS-SIL-NEXT: }


// CHECK-TRAPS-IR:      define {{.*}}@"$s4main9throwing1SiyKF"{{.*}}{
// CHECK-TRAPS-IR-NEXT: entry:
// CHECK-TRAPS-IR:        call void @llvm.trap()
// CHECK-TRAPS-IR-NEXT:   unreachable
// CHECK-TRAPS-IR-NEXT: }
// CHECK-TRAPS-IR:      define {{.*}}@"$s4main9catching1yyF"{{.*}}{