File: cxx2c-consteval-propagate.cpp

package info (click to toggle)
swiftlang 6.1.3-2
  • links: PTS, VCS
  • area: main
  • in suites: forky, sid
  • size: 2,791,604 kB
  • sloc: cpp: 9,901,740; 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 (21 lines) | stat: -rw-r--r-- 421 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
 
// RUN: %clang_cc1 -emit-llvm %s -std=c++20 -triple x86_64-unknown-linux-gnu -o - | FileCheck %s

namespace GH63742 {

void side_effect();
consteval int f(int x) {
    if (!__builtin_is_constant_evaluated()) side_effect();
    return x;
}
struct SS {
    int x = f(42);
    SS();
};
SS::SS(){}

}

// CHECK-LABEL: @_ZN7GH637422SSC2Ev
// CHECK-NOT:   call
// CHECK:       store i32 42, ptr {{.*}}
// CHECK:       ret void