60 lines · cpp
1// RUN: %clang_cc1 -triple %itanium_abi_triple -emit-llvm -o - %s | FileCheck %s2// RUN: %clang_cc1 -triple %ms_abi_triple -emit-llvm -o - %s | FileCheck %s -check-prefix MS3// CHECK-NOT: _ZN1CC1ERK1C4// CHECK-NOT: _ZN1SC1ERK1S5// MS-NOT: ?0C@@QAE@ABV06// MS-NOT: ?0S@@QAE@ABV07 8extern "C" int printf(...);9 10 11struct C {12 C() : iC(6) {printf("C()\n"); }13 C(const C& c) { printf("C(const C& c)\n"); }14 int iC;15};16 17C foo() {18 return C();19};20 21class X { // ...22public: 23 X(int) {}24 X(const X&, int i = 1, int j = 2, C c = foo()) {25 printf("X(const X&, %d, %d, %d)\n", i, j, c.iC);26 }27};28 29 30struct S {31 S();32};33 34S::S() { printf("S()\n"); }35 36void Call(S) {};37 38int main() {39 X a(1);40 X b(a, 2);41 X c = b;42 X d(a, 5, 6);43 S s;44 Call(s);45}46 47struct V {48 int x;49};50 51typedef V V_over_aligned __attribute((aligned(8)));52extern const V_over_aligned gv1 = {};53 54extern "C" V f() { return gv1; }55 56// Make sure that we obey the destination's alignment requirements when emitting57// the copy.58// CHECK-LABEL: define {{.*}} @f(59// CHECK: call void @llvm.memcpy.p0.p0.{{i64|i32}}({{.*}}align 4{{.*}}, ptr align 8 @gv1, {{i64|i32}} 4, i1 false)60