File: default-arguments-with-immediate.cpp

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 (54 lines) | stat: -rw-r--r-- 1,130 bytes parent folder | download | duplicates (14)
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
// RUN: %clang_cc1 -std=c++2a -triple x86_64-elf-gnu %s -emit-llvm -o - | FileCheck %s

consteval int immediate() { return 0;}
static int ext();
void f(int a = immediate() + ext());

void test_function() {
    f();
    f(0);
    // CHECK: call noundef i32 @_ZL3extv()
    // CHECK: add
    // CHECK: call {{.*}} @_Z1fi
    // CHECK: call {{.*}} @_Z1fi
}

// CHECK: define {{.*}} i32 @_ZL3extv()

static constexpr int not_immediate();
struct A {
    int a = immediate() + not_immediate();
};

void test_member() {
    // CHECK: call void @_ZN1AC2Ev
    A defaulted;
    // CHECK-NOT: call void @_ZN1AC2Ev
    A provided{0};
}

// CHECK: define {{.*}} void @_ZN1AC2Ev{{.*}}
// CHECK: %call = call noundef i32 @_ZL13not_immediatev()

int never_referenced() {return 42;};


namespace not_used {

struct A {
    int a = immediate() + never_referenced();
};
void f(int a = immediate() + never_referenced());

void g() {
    A a{0};
    f(0);
}

}

static int ext() {return 0;}
static constexpr int not_immediate() {return 0;}

// CHECK-NOT: define {{.*}} i32 _ZL16never_referencedv()(
// CHECK: define {{.*}} i32 @_ZL13not_immediatev()