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. 5 typedef __typeof__(sizeof(0)) size_t; 6 void *operator new(size_t, void*) throw(); 7 void operator delete(void*, void*) throw(); 8 void *operator new[](size_t, void*) throw(); 9 void operator delete[](void*, void*) throw(); 10 template<typename T> T &&move(T&); 11 12 struct 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 23 foo *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 32 foo *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 41 foo 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 51 foo *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 60 void 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 69 extern foo globtest; 70 71 void 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 80 void byval(foo f); 81 82 void 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