File: pragma-weak.cpp

package info (click to toggle)
llvm-toolchain-3.8 1%3A3.8.1-12~bpo8%2B1
  • links: PTS, VCS
  • area: main
  • in suites: jessie-backports
  • size: 378,896 kB
  • sloc: cpp: 2,309,676; ansic: 477,070; objc: 100,918; asm: 97,974; python: 95,911; sh: 18,634; makefile: 7,265; perl: 5,584; ml: 5,460; pascal: 4,661; lisp: 2,548; xml: 686; cs: 350; php: 212; csh: 117
file content (31 lines) | stat: -rw-r--r-- 895 bytes parent folder | download | duplicates (7)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
// RUN: %clang_cc1 -triple %itanium_abi_triple -emit-llvm %s -o - | FileCheck %s

#pragma weak zex
int zex;
// GCC produces a weak symbol for this because it matches mangled names.
// Different c++ ABIs may or may not mangle this, so we produce a strong
// symbol.
// CHECK: @zex = global i32

#pragma weak foo
struct S {  void foo(); };
void S::foo() {}
// CHECK-LABEL: define {{.*}}void @_ZN1S3fooEv(

#pragma weak zed
namespace bar {  void zed() {} }
// CHECK-LABEL: define {{.*}}void @_ZN3bar3zedEv(

#pragma weak bah
void bah() {}
// CHECK-LABEL: define {{.*}}void @_Z3bahv(

#pragma weak baz
extern "C" void baz() {}
// CHECK-LABEL: define weak {{.*}}void @baz(

#pragma weak _Z3baxv
void bax() {}
// GCC produces a weak symbol for this one, but it doesn't look like a good
// idea to expose the mangling to the pragma unless we really have to.
// CHECK-LABEL: define {{.*}}void @_Z3baxv(