1// RUN: %clang_cc1 -triple x86_64-apple-darwin12 -emit-llvm -o - -std=c++11 %s -DPOD | FileCheck %s -check-prefix=CHECK-POD 2// RUN: %clang_cc1 -triple x86_64-apple-darwin12 -emit-llvm -o - -std=c++11 %s | FileCheck %s -check-prefix=CHECK-NONPOD 3 4// Declare the reserved placement operators. 5typedef __typeof__(sizeof(0)) size_t; 6void *operator new(size_t, void*) throw(); 7void operator delete(void*, void*) throw(); 8void *operator new[](size_t, void*) throw(); 9void operator delete[](void*, void*) throw(); 10template<typename T> T &&move(T&); 11 12struct foo { 13#ifndef POD 14 foo() {} // non-POD 15#endif 16 void *a, *b; 17 bool c; 18}; 19 20// It is not legal to copy the tail padding in all cases, but if it is it can 21// yield better codegen. 22 23foo *test1(void *f, const foo &x) { 24 return new (f) foo(x); 25// CHECK-POD: test1 26// CHECK-POD: call void @llvm.memcpy.p0i8.p0i8.i64({{.*}}i64 24, i32 8 27 28// CHECK-NONPOD: test1 29// CHECK-NONPOD: call void @llvm.memcpy.p0i8.p0i8.i64({{.*}}i64 24, i32 8 30} 31 32foo *test2(const foo &x) { 33 return new foo(x); 34// CHECK-POD: test2 35// CHECK-POD: call void @llvm.memcpy.p0i8.p0i8.i64({{.*}}i64 24, i32 8 36 37// CHECK-NONPOD: test2 38// CHECK-NONPOD: call void @llvm.memcpy.p0i8.p0i8.i64({{.*}}i64 24, i32 8 39} 40 41foo test3(const foo &x) { 42 foo f = x; 43 return f; 44// CHECK-POD: test3 45// CHECK-POD: call void @llvm.memcpy.p0i8.p0i8.i64({{.*}}i64 24, i32 8 46 47// CHECK-NONPOD: test3 48// CHECK-NONPOD: call void @llvm.memcpy.p0i8.p0i8.i64({{.*}}i64 24, i32 8 49} 50 51foo *test4(foo &&x) { 52 return new foo(x); 53// CHECK-POD: test4 54// CHECK-POD: call void @llvm.memcpy.p0i8.p0i8.i64({{.*}}i64 24, i32 8 55 56// CHECK-NONPOD: test4 57// CHECK-NONPOD: call void @llvm.memcpy.p0i8.p0i8.i64({{.*}}i64 24, i32 8 58} 59 60void test5(foo &f, const foo &x) { 61 f = x; 62// CHECK-POD: test5 63// CHECK-POD: call void @llvm.memcpy.p0i8.p0i8.i64({{.*}}i64 24, i32 8 64 65// CHECK-NONPOD: test5 66// CHECK-NONPOD: call void @llvm.memcpy.p0i8.p0i8.i64({{.*}}i64 17, i32 8 67} 68 69extern foo globtest; 70 71void test6(foo &&x) { 72 globtest = move(x); 73// CHECK-POD: test6 74// CHECK-POD: call void @llvm.memcpy.p0i8.p0i8.i64({{.*}}i64 24, i32 8 75 76// CHECK-NONPOD: test6 77// CHECK-NONPOD: call void @llvm.memcpy.p0i8.p0i8.i64({{.*}}i64 17, i32 8 78} 79 80void byval(foo f); 81 82void test7(const foo &x) { 83 byval(x); 84// CHECK-POD: test7 85// CHECK-POD: call void @llvm.memcpy.p0i8.p0i8.i64({{.*}}i64 24, i32 8 86 87// CHECK-NONPOD: test7 88// CHECK-NONPOD: call void @llvm.memcpy.p0i8.p0i8.i64({{.*}}i64 24, i32 8 89} 90