File: unique-internal-linkage-names.cpp

package info (click to toggle)
llvm-toolchain-13 1%3A13.0.1-11
  • links: PTS, VCS
  • area: main
  • in suites: bookworm
  • size: 1,418,840 kB
  • sloc: cpp: 5,290,826; ansic: 996,570; asm: 544,593; python: 188,212; objc: 72,027; lisp: 30,291; f90: 25,395; sh: 24,898; javascript: 9,780; pascal: 9,398; perl: 7,484; ml: 5,432; awk: 3,523; makefile: 2,913; xml: 953; cs: 573; fortran: 539
file content (78 lines) | stat: -rw-r--r-- 2,302 bytes parent folder | download | duplicates (3)
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
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
// This test checks if internal linkage symbols get unique names with
// -funique-internal-linkage-names option.
// RUN: %clang_cc1 -triple x86_64 -x c++ -S -emit-llvm -o - < %s | FileCheck %s --check-prefix=PLAIN
// RUN: %clang_cc1 -triple x86_64 -x c++  -S -emit-llvm -funique-internal-linkage-names -o - < %s | FileCheck %s --check-prefix=UNIQUE

static int glob;
static int foo() {
  return 0;
}

int (*bar())() {
  return foo;
}

int getGlob() {
  return glob;
}

// Function local static variable and anonymous namespace namespace variable.
namespace {
int anon_m;
int getM() {
  return anon_m;
}
} // namespace

int retAnonM() {
  static int fGlob;
  return getM() + fGlob;
}

// Multiversioning symbols
__attribute__((target("default"))) static int mver() {
  return 0;
}

__attribute__((target("sse4.2"))) static int mver() {
  return 1;
}

int mver_call() {
  return mver();
}

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

void test() {
  A a;
}

// PLAIN: @_ZL4glob = internal global
// PLAIN: @_ZZ8retAnonMvE5fGlob = internal global
// PLAIN: @_ZN12_GLOBAL__N_16anon_mE = internal global
// PLAIN: define internal i32 @_ZL3foov()
// PLAIN: define internal i32 @_ZN12_GLOBAL__N_14getMEv
// PLAIN: define weak_odr i32 ()* @_ZL4mverv.resolver()
// PLAIN: define internal void @_ZN12_GLOBAL__N_11AC1Ev
// PLAIN: define internal void @_ZN12_GLOBAL__N_11AD1Ev
// PLAIN: define internal i32 @_ZL4mverv()
// PLAIN: define internal i32 @_ZL4mverv.sse4.2()
// PLAIN-NOT: "sample-profile-suffix-elision-policy"
// UNIQUE: @_ZL4glob = internal global
// UNIQUE: @_ZZ8retAnonMvE5fGlob = internal global
// UNIQUE: @_ZN12_GLOBAL__N_16anon_mE = internal global
// UNIQUE: define internal i32 @_ZL3foov.[[MODHASH:__uniq.[0-9]+]]() #[[#ATTR:]] {
// UNIQUE: define internal i32 @_ZN12_GLOBAL__N_14getMEv.[[MODHASH]]
// UNIQUE: define weak_odr i32 ()* @_ZL4mverv.[[MODHASH]].resolver()
// UNIQUE: define internal void @_ZN12_GLOBAL__N_11AC1Ev.__uniq.68358509610070717889884130747296293671
// UNIQUE: define internal void @_ZN12_GLOBAL__N_11AD1Ev.__uniq.68358509610070717889884130747296293671
// UNIQUE: define internal i32 @_ZL4mverv.[[MODHASH]]()
// UNIQUE: define internal i32 @_ZL4mverv.[[MODHASH]].sse4.2
// UNIQUE: attributes #[[#ATTR]] = { {{.*}}"sample-profile-suffix-elision-policy"{{.*}} }