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