File: cfi-speculative-vtable.cpp

package info (click to toggle)
llvm-toolchain-15 1%3A15.0.6-4
  • links: PTS, VCS
  • area: main
  • in suites: bookworm
  • size: 1,554,644 kB
  • sloc: cpp: 5,922,452; ansic: 1,012,136; asm: 674,362; python: 191,568; objc: 73,855; f90: 42,327; lisp: 31,913; pascal: 11,973; javascript: 10,144; sh: 9,421; perl: 7,447; ml: 5,527; awk: 3,523; makefile: 2,520; xml: 885; cs: 573; fortran: 567
file content (14 lines) | stat: -rw-r--r-- 629 bytes parent folder | download 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
 
// Test that we don't emit a bit set entry for a speculative (available_externally) vtable.
// This does not happen in the Microsoft ABI.
// RUN: %clang_cc1 -triple x86_64-unknown-linux -O1 -disable-llvm-passes -fsanitize=cfi-vcall -fsanitize-trap=cfi-vcall -emit-llvm -o - %s | FileCheck  %s
// RUN: %clang_cc1 -triple x86_64-unknown-linux -O1 -disable-llvm-passes -fsanitize=cfi-vcall -fsanitize-trap=cfi-vcall -fsanitize-cfi-cross-dso -emit-llvm -o - %s | FileCheck  %s

class A {
 public:
  virtual ~A();
};

A a;

// CHECK: @_ZTV1A ={{.*}} available_externally
// CHECK-NOT: !{{.*}} = !{!{{.*}}, [4 x i8*]* @_ZTV1A, i64 16}