clang/test/Interpreter/const.cpp

   1 // UNSUPPORTED: system-aix, system-zos
   2 // see https://github.com/llvm/llvm-project/issues/68092
   3 // XFAIL: host={{.*}}-windows-msvc
   4
   5 // The test is flaky with asan https://github.com/llvm/llvm-project/issues/102858.
   6 // UNSUPPORTED: asan
   7
   8 // RUN: cat %s | clang-repl | FileCheck %s
   9 // RUN: cat %s | clang-repl -Xcc -O2 | FileCheck %s
  10
  11 extern "C" int printf(const char*, ...);
  12
  13 struct A { int val; A(int v); ~A(); void f() const; };
  14 A::A(int v) : val(v) { printf("A(%d), this = %p\n", val, this); }
  15 A::~A() { printf("~A, this = %p, val = %d\n", this, val); }
  16 void A::f() const { printf("f: this = %p, val = %d\n", this, val); }
  17
  18 const A a(1);
  19 // CHECK: A(1), this = [[THIS:.+]]
  20 // The constructor must only be called once!
  21 // CHECK-NOT: A(1)
  22
  23 a.f();
  24 // CHECK-NEXT: f: this = [[THIS]], val = 1
  25 a.f();
  26 // CHECK-NEXT: f: this = [[THIS]], val = 1
  27
  28 %quit
  29 // There must still be no other constructor!
  30 // CHECK-NOT: A(1)
  31
  32 // At the end, we expect exactly one destructor call
  33 // CHECK: ~A
  34 // CHECK-SAME: this = [[THIS]], val = 1
  35 // CHECK-NOT: ~A