llvm-project/clang/test/CodeGenCXX/anonymous-namespaces.cpp
Juneyoung Lee f193bcc701 Revert D105169 due to the two-stage failure in ASAN
This reverts the following commits:
37ca7a795b277c20c02a218bf44052278c03344b
9aa6c72b92b6c89cc6d23b693257df9af7de2d15
705387c5074bcca36d626882462ebbc2bcc3bed4
8ca4b3ef19fe82d7ad6a6e1515317dcc01b41515
80dba72a669b5416e97a42fd2c2a7bc5a6d3f44a
2021-10-18 23:52:46 +09:00

85 lines
1.8 KiB
C++

// RUN: %clang_cc1 -fcxx-exceptions -fexceptions -triple x86_64-apple-darwin10 -emit-llvm %s -o - > %t
// RUN: FileCheck %s -check-prefix=CHECK-1 < %t
// RUN: FileCheck %s -check-prefix=CHECK-2 < %t
int f();
namespace {
// CHECK-1: @_ZN12_GLOBAL__N_11bE = internal global i32 0
// CHECK-1: @_ZN12_GLOBAL__N_11cE = internal global i32 0
// CHECK-1: @_ZN12_GLOBAL__N_12c2E = internal global i32 0
// CHECK-1: @_ZN12_GLOBAL__N_11D1dE = internal global i32 0
// CHECK-1: @_ZN12_GLOBAL__N_11aE = internal global i32 0
int a = 0;
int b = f();
static int c = f();
// Note, we can't use an 'L' mangling for c or c2 (like GCC does) based on
// the 'static' specifier, because the variable can be redeclared without it.
extern int c2;
int g() { return c2; }
static int c2 = f();
class D {
static int d;
};
int D::d = f();
// Check for generation of a VTT with internal linkage
// CHECK-1: @_ZTSN12_GLOBAL__N_11X1EE = internal constant
struct X {
struct EBase { };
struct E : public virtual EBase { virtual ~E() {} };
};
// CHECK-1-LABEL: define internal i32 @_ZN12_GLOBAL__N_13fooEv()
int foo() {
return 32;
}
// CHECK-1-LABEL: define internal i32 @_ZN12_GLOBAL__N_11A3fooEv()
namespace A {
int foo() {
return 45;
}
}
}
int concrete() {
return a + foo() + A::foo();
}
void test_XE() { throw X::E(); }
// Miscompile on llvmc plugins.
namespace test2 {
struct A {
template <class T> struct B {
static void foo() {}
};
};
namespace {
struct C;
}
// CHECK-2-LABEL: define{{.*}} void @_ZN5test24testEv()
// CHECK-2: call void @_ZN5test21A1BINS_12_GLOBAL__N_11CEE3fooEv()
void test() {
A::B<C>::foo();
}
// CHECK-2-LABEL: define internal void @_ZN5test21A1BINS_12_GLOBAL__N_11CEE3fooEv()
}
namespace {
int bar() {
extern int a;
return a;
}
} // namespace