File: uninitialized.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 (27 lines) | stat: -rw-r--r-- 1,020 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
 
// RUN: %target-swift-frontend %s -c -emit-ir -g -o - | %FileCheck %s
// RUN: %target-swift-frontend %s -O -c -emit-ir -g -o - | %FileCheck %s --check-prefix=OPT
class MyClass {}

// CHECK-LABEL: define {{.*}} @"$s13uninitialized1fyyF"
// OPT-LABEL: define {{.*}} @"$s13uninitialized1fyyF"
public func f() {
  var object: MyClass
  // CHECK: %[[OBJ:.*]] = alloca ptr, align
  // CHECK: call void @llvm.dbg.declare(metadata ptr %[[OBJ]],
  // CHECK: void @llvm.memset.{{.*}}(ptr align {{(4|8)}} %[[OBJ]], i8 0,
  // CHECK-SAME:                    ){{$}}
  // OPT-NOT: @llvm.memset
  // OPT: ret
}

// CHECK-LABEL: define {{.*}} @"$s13uninitialized1gyyF"
// OPT-LABEL: define {{.*}} @"$s13uninitialized1gyyF"
public func g() {
  var dict: Dictionary<Int64, Int64>
  // CHECK: %[[DICT:.*]] = alloca
  // CHECK: call void @llvm.dbg.declare(metadata ptr %[[DICT]],
  // CHECK: void @llvm.memset.{{.*}}(ptr align {{(4|8)}} %[[DICT]], i8 0,
  // CHECK-SAME:                    ){{$}}
  // OPT-NOT: @llvm.memset
  // OPT: ret
}