You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
83 lines
2.7 KiB
83 lines
2.7 KiB
// 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);
|
|
}
|
|
}
|
|
|
|
namespace delegate {
|
|
struct A {
|
|
A(void *const p __attribute__((pass_object_size(0))));
|
|
};
|
|
A::A(void *const p __attribute__((pass_object_size(0)))) {}
|
|
// Ensure that we forward the size through a delegating constructor call.
|
|
// CHECK: define void @_ZN8delegate1AC1EPvU17pass_object_size0({{[^,]*}}, i8*{{[^,]*}}, i64{{[^,]*}})
|
|
// CHECK: call void @_ZN8delegate1AC2EPvU17pass_object_size0({{[^,]*}}, i8*{{[^,]*}}, i64{{[^,]*}})
|
|
}
|
|
|
|
namespace variadic {
|
|
// We had an issue where variadic member/operator calls with pass_object_size
|
|
// would cause crashes.
|
|
|
|
struct AsCtor {
|
|
AsCtor(const char *const c __attribute__((pass_object_size(0))), double a,
|
|
...) {}
|
|
};
|
|
|
|
struct AsMember {
|
|
void bar(const char *const c __attribute__((pass_object_size(0))), double a,
|
|
...) {}
|
|
void operator()(const char *const c __attribute__((pass_object_size(0))),
|
|
double a, ...) {}
|
|
};
|
|
|
|
// CHECK-LABEL: define void @_ZN8variadic4testEv()
|
|
void test() {
|
|
// CHECK-RE: call{{[^@]+}}@_ZN8variadic6AsCtorC1EPKcU17pass_object_size0dz
|
|
AsCtor("a", 1.0);
|
|
// CHECK-RE: call{{[^@]+}}@_ZN8variadic8AsMember3barEPKcU17pass_object_size0dz
|
|
AsMember{}.bar("a", 1.0);
|
|
// CHECK-RE: call{{[^@]+}}@_ZN8variadic8AsMemberclEPKcU17pass_object_size0dz
|
|
AsMember{}("a", 1.0);
|
|
}
|
|
}
|