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// RUN: %clang_cc1 -emit-llvm %s -o - | FileCheck %s
// rdar://9894548
typedef unsigned long word_t;
typedef unsigned long u64_t;
typedef unsigned int u32_t;
class ioapic_redir_t {
public:
union {
struct {
word_t vector : 8;
word_t delivery_mode : 3;
word_t dest_mode : 1;
word_t delivery_status : 1;
word_t polarity : 1;
word_t irr : 1;
word_t trigger_mode : 1;
word_t mask : 1;
word_t _pad0 : 15;
word_t dest : 8;
};
volatile u32_t raw[2];
volatile u64_t raw64;
};
};
struct ioapic_shadow_struct
{
ioapic_redir_t redirs[24];
} ioapic_shadow[16];
void init_ioapic(unsigned long ioapic_id)
{
ioapic_redir_t entry;
ioapic_shadow[ioapic_id].redirs[3] = entry;
}
// CHECK: call void @llvm.memcpy
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