File: microsoft-no-rtti-data.cpp

package info (click to toggle)
llvm-toolchain-11 1%3A11.0.1-2~deb10u1
  • links: PTS, VCS
  • area: main
  • in suites: buster
  • size: 995,836 kB
  • sloc: cpp: 4,767,656; ansic: 760,916; asm: 477,436; python: 170,940; objc: 69,804; lisp: 29,914; sh: 23,855; f90: 18,173; pascal: 7,551; perl: 7,471; ml: 5,603; awk: 3,489; makefile: 2,573; xml: 915; cs: 573; fortran: 503; javascript: 452
file content (22 lines) | stat: -rw-r--r-- 694 bytes parent folder | download | duplicates (13) 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
 
// RUN: %clang_cc1 %s -fno-rtti-data -triple=i386-pc-win32 -o - -emit-llvm | FileCheck %s

// vftable shouldn't have RTTI data in it.
// CHECK-NOT: @"??_R4S@@6B@"
// CHECK: @"??_7S@@6B@" = linkonce_odr unnamed_addr constant { [1 x i8*] } { [1 x i8*] [i8* bitcast ({{.*}} @"??_GS@@UAEPAXI@Z" to i8*)] }, comdat

struct type_info;
namespace std { using ::type_info; }

struct S {
  virtual ~S();
} s;

struct U : S {
  virtual ~U();
};

extern S *getS();

const std::type_info &ti = typeid(*getS());
const U &u = dynamic_cast<U &>(*getS());
// CHECK: call i8* @__RTDynamicCast(i8* %{{.+}}, i32 0, i8* bitcast ({{.*}} @"??_R0?AUS@@@8" to i8*), i8* bitcast ({{.*}} @"??_R0?AUU@@@8" to i8*), i32 1)