96 lines · cpp
1// RUN: %clang_cc1 -triple x86_64-apple-darwin -std=c++11 -emit-llvm %s -o - | \2// RUN: FileCheck %s3// RUN: %clang_cc1 -triple i386-apple-darwin -std=c++11 -emit-llvm %s -o - | \4// RUN: FileCheck %s5 6extern "C" int printf(...);7 8struct B {9 B() : B1(3.14), B2(3.15), auB2(3.16) {} 10 float B1;11 float B2;12 void pr() {13 printf("B1 = %f B2 = %f auB1 = %f\n", B1, B2, auB1);14 }15 16 B& operator=(const B& arg) { B1 = arg.B1; B2 = arg.B2; 17 auB1 = arg.auB1; return *this; }18 union {19 float auB1;20 float auB2;21 };22};23 24struct M {25 M() : M1(10), M2(11) , auM1(12) {} 26 int M1;27 int M2;28 void pr() {29 printf("M1 = %d M2 = %d auM1 = %d auM2 = %d\n", M1, M2, auM1, auM2);30 }31 union {32 int auM1;33 int auM2;34 };35};36 37struct N : B {38 N() : N1(20), N2(21) {} 39 int N1;40 int N2;41 void pr() {42 printf("N1 = %d N2 = %d\n", N1, N2);43 for (unsigned i = 0; i < 3; i++)44 for (unsigned j = 0; j < 2; j++)45 printf("arr_b[%d][%d] = %f\n", i,j,arr_b[i][j].B1);46 B::pr();47 }48 N& operator=(const N& arg) {49 N1 = arg.N1; N2 = arg.N2; 50 for (unsigned i = 0; i < 3; i++)51 for (unsigned j = 0; j < 2; j++)52 arr_b[i][j] = arg.arr_b[i][j];53 return *this;54 }55 B arr_b[3][2];56};57 58struct Q : B {59 Q() : Q1(30), Q2(31) {} 60 int Q1;61 int Q2;62 void pr() {63 printf("Q1 = %d Q2 = %d\n", Q1, Q2);64 }65};66 67 68struct X : M , N { 69 X() : d(0.0), d1(1.1), d2(1.2), d3(1.3) {}70 double d;71 double d1;72 double d2;73 double d3;74 void pr() {75 printf("d = %f d1 = %f d2 = %f d3 = %f\n", d, d1,d2,d3);76 M::pr(); N::pr();77 q1.pr(); q2.pr();78 }79 80 Q q1, q2;81}; 82 83 84X srcX; 85X dstX; 86X dstY; 87 88int main() {89 dstY = dstX = srcX;90 srcX.pr();91 dstX.pr();92 dstY.pr();93}94 95// CHECK: define linkonce_odr noundef nonnull align {{[0-9]+}} dereferenceable({{[0-9]+}}) ptr @_ZN1XaSERKS_96