1*67e74705SXin Li // RUN: %clang_cc1 -emit-llvm %s -o - | FileCheck %s 2*67e74705SXin Li // rdar://9894548 3*67e74705SXin Li 4*67e74705SXin Li typedef unsigned long word_t; 5*67e74705SXin Li typedef unsigned long u64_t; 6*67e74705SXin Li typedef unsigned int u32_t; 7*67e74705SXin Li 8*67e74705SXin Li class ioapic_redir_t { 9*67e74705SXin Li public: 10*67e74705SXin Li union { 11*67e74705SXin Li struct { 12*67e74705SXin Li word_t vector : 8; 13*67e74705SXin Li 14*67e74705SXin Li word_t delivery_mode : 3; 15*67e74705SXin Li word_t dest_mode : 1; 16*67e74705SXin Li 17*67e74705SXin Li word_t delivery_status : 1; 18*67e74705SXin Li word_t polarity : 1; 19*67e74705SXin Li word_t irr : 1; 20*67e74705SXin Li word_t trigger_mode : 1; 21*67e74705SXin Li 22*67e74705SXin Li word_t mask : 1; 23*67e74705SXin Li word_t _pad0 : 15; 24*67e74705SXin Li 25*67e74705SXin Li word_t dest : 8; 26*67e74705SXin Li }; 27*67e74705SXin Li volatile u32_t raw[2]; 28*67e74705SXin Li volatile u64_t raw64; 29*67e74705SXin Li }; 30*67e74705SXin Li }; 31*67e74705SXin Li 32*67e74705SXin Li struct ioapic_shadow_struct 33*67e74705SXin Li { 34*67e74705SXin Li ioapic_redir_t redirs[24]; 35*67e74705SXin Li } ioapic_shadow[16]; 36*67e74705SXin Li init_ioapic(unsigned long ioapic_id)37*67e74705SXin Livoid init_ioapic(unsigned long ioapic_id) 38*67e74705SXin Li { 39*67e74705SXin Li ioapic_redir_t entry; 40*67e74705SXin Li ioapic_shadow[ioapic_id].redirs[3] = entry; 41*67e74705SXin Li } 42*67e74705SXin Li 43*67e74705SXin Li // CHECK: call void @llvm.memcpy 44