File: multi-versioning-internal-linkage.cpp

package info (click to toggle)
llvm-toolchain-17 1%3A17.0.6-22
  • links: PTS, VCS
  • area: main
  • in suites: forky, sid, trixie
  • size: 1,799,624 kB
  • sloc: cpp: 6,428,607; ansic: 1,383,196; asm: 793,408; python: 223,504; objc: 75,364; f90: 60,502; lisp: 33,869; pascal: 15,282; sh: 9,684; perl: 7,453; ml: 4,937; awk: 3,523; makefile: 2,889; javascript: 2,149; xml: 888; fortran: 619; cs: 573
file content (49 lines) | stat: -rw-r--r-- 2,161 bytes parent folder | download | duplicates (12)
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
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
// RUN: %clang_cc1 -std=c++11 -triple x86_64-linux-gnu -emit-llvm %s -o - | FileCheck %s --check-prefix=LINUX
// RUN: %clang_cc1 -std=c++11 -triple x86_64-windows-pc -emit-llvm %s -o - | FileCheck %s --check-prefix=WINDOWS

__attribute__((target("default"))) static int static_target() {
  return 0;
}
__attribute__((target("arch=sandybridge"))) static int static_target() {
  return 1;
}

__attribute__((cpu_dispatch(atom, generic))) static int static_dispatch() {}

namespace {
int __attribute__((target("default"))) anon_target() {
  return 0;
}
int __attribute__((target("arch=sandybridge"))) anon_target() {
  return 1;
}
__attribute__((cpu_dispatch(atom, generic))) static int anon_dispatch() {}
}



int usage() {
  return static_target() + anon_target() + static_dispatch() + anon_dispatch();
}

// Ensure that these are all 'internal'. Windows doesn't have ifuncs or aliases,
// since Windows doesn't support ifuncs.
// aliases:
// LINUX: @_ZL15static_dispatchv = internal alias i32 (), ptr @_ZL15static_dispatchv.ifunc
// LINUX: @_ZN12_GLOBAL__N_113anon_dispatchEv = internal alias i32 (), ptr @_ZN12_GLOBAL__N_113anon_dispatchEv.ifunc

// ifuncs:
// LINUX: @_ZL15static_dispatchv.ifunc = internal ifunc i32 (), ptr @_ZL15static_dispatchv.resolver
// LINUX: @_ZN12_GLOBAL__N_113anon_dispatchEv.ifunc = internal ifunc i32 (), ptr @_ZN12_GLOBAL__N_113anon_dispatchEv.resolver
// LINUX: @_ZL13static_targetv.ifunc = internal ifunc i32 (), ptr @_ZL13static_targetv.resolver
// LINUX: @_ZN12_GLOBAL__N_111anon_targetEv.ifunc = internal ifunc i32 (), ptr @_ZN12_GLOBAL__N_111anon_targetEv.resolver

// resolvers:
// LINUX: define internal ptr @_ZL15static_dispatchv.resolver()
// WINDOWS: define internal i32 @"?static_dispatch@@YAHXZ"()
// LINUX: define internal ptr @_ZN12_GLOBAL__N_113anon_dispatchEv.resolver()
// WINDOWS: define internal i32 @"?anon_dispatch{{.*}}@@YAHXZ"()
// LINUX: define internal ptr @_ZL13static_targetv.resolver()
// WINDOWS: define internal i32 @"?static_target@@YAHXZ.resolver"()
// LINUX: define internal ptr @_ZN12_GLOBAL__N_111anon_targetEv.resolver()
// WINDOWS: define internal i32 @"?anon_target{{.*}}@@YAHXZ.resolver"()