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
|
// RUN: %clang_cc1 -triple x86_64-apple-darwin -emit-llvm -O0 %s -o - 2>&1 -std=c++11 | FileCheck %s
int gi;
namespace lambdas {
// CHECK-LABEL: define void @_ZN7lambdas7LambdasEPc
void Lambdas(char *ptr) {
auto L1 = [](void *const p __attribute__((pass_object_size(0)))) {
return __builtin_object_size(p, 0);
};
int i = 0;
auto L2 = [&i](void *const p __attribute__((pass_object_size(0)))) {
return __builtin_object_size(p, 0) + i;
};
// CHECK: @llvm.objectsize
gi = L1(ptr);
// CHECK: @llvm.objectsize
gi = L2(ptr);
}
// CHECK-DAG: define internal i64 @"_ZZN7lambdas7LambdasEPcENK3$_0clEPvU17pass_object_size0"
// CHECK-NOT: call i64 @llvm.objectsize
// CHECK-DAG: define internal i64 @"_ZZN7lambdas7LambdasEPcENK3$_1clEPvU17pass_object_size0"
// CHECK-NOT: call i64 @llvm.objectsize
}
// This is here instead of in Sema/ because we need to check to make sure the
// proper function is called. If it's not, we'll end up with assertion errors.
namespace addrof {
void OvlFoo(void *const __attribute__((pass_object_size(0)))) {}
void OvlFoo(int *const) {}
// CHECK: define void @_ZN6addrof4TestEv
void Test() {
// Treating parens-only calls as though they were direct is consistent with
// how we handle other implicitly unaddressable functions (e.g. builtins).
// CHECK: call void @_ZN6addrof6OvlFooEPvU17pass_object_size0
(OvlFoo)(nullptr);
// CHECK: call void @_ZN6addrof6OvlFooEPi
(&OvlFoo)(nullptr);
}
}
|
