| // 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); |
| } |
| } |