blob: aa595948c6960fba5bd06bfbe5d5fb86123f6e6c (
plain)
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
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
|
// This is an IR generation test because the calculation of visibility
// during IR gen will cause linkage to be implicitly recomputed and
// compared against the earlier cached value. If we had a way of
// testing linkage directly in Sema, that would be better.
// RUN: %clang_cc1 -Werror -triple x86_64-apple-darwin10 -emit-llvm %s -o - | FileCheck %s
// CHECK: @_ZZN5test61A3fooEvE3bar = linkonce_odr global i32 0, align 4
// PR8926
namespace test0 {
typedef struct {
void *foo() { return 0; }
} A;
// CHECK: define linkonce_odr i8* @_ZN5test01A3fooEv(
void test(A *a) {
a->foo();
}
}
namespace test1 {
typedef struct {
template <unsigned n> void *foo() { return 0; }
void foo() {
foo<0>();
}
} A;
// CHECK: define linkonce_odr void @_ZN5test11A3fooEv(
// another at the end
void test(A *a) {
a->foo();
}
}
namespace test2 {
typedef struct {
template <unsigned n> struct B {
void *foo() { return 0; }
};
void foo(B<0> *b) {
b->foo();
}
} A;
// CHECK: define linkonce_odr void @_ZN5test21A3fooEPNS0_1BILj0EEE(
void test(A *a) {
a->foo(0);
}
}
namespace test3 {
namespace { struct A {}; }
// CHECK: define internal void @_ZN5test34testENS_12_GLOBAL__N_11AE(
void test(A a) {}
void force() { test(A()); }
// CHECK: define void @test3(
extern "C" void test3(A a) {}
}
namespace {
// CHECK: define void @test4(
extern "C" void test4(void) {}
}
// PR9316: Ensure that even non-namespace-scope function declarations in
// a C declaration context respect that over the anonymous namespace.
extern "C" {
namespace {
struct X {
int f() {
extern int g();
extern int a;
// Test both for mangling in the code generation and warnings from use
// of internal, undefined names via -Werror.
// CHECK: call i32 @g(
// CHECK: load i32, i32* @a,
return g() + a;
}
};
}
// Force the above function to be emitted by codegen.
int test(X& x) {
return x.f();
}
}
// CHECK: define linkonce_odr i8* @_ZN5test11A3fooILj0EEEPvv(
// CHECK: define linkonce_odr i8* @_ZN5test21A1BILj0EE3fooEv(
namespace test5 {
struct foo {
};
extern "C" {
const foo bar[] = {
};
}
}
// Test that we don't compute linkage too hastily before we're done
// processing a record decl. rdar://15928125
namespace test6 {
typedef struct {
int foo() {
// Tested at top of file.
static int bar = 0;
return bar++;
}
} A;
void test() {
A a;
a.foo();
}
}
|
