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/* PR 21171. Ivopts should not rewrite references to volatile memory. */
/* { dg-do compile } */
/* { dg-options "-O1 -fdump-tree-optimized" } */
typedef unsigned int u_int32_t;
typedef unsigned char u_int8_t;
#define AIC_VECTORS 32
typedef volatile struct AT91RM9200_regs {
u_int32_t SVR[AIC_VECTORS];
} AT91RM9200_regs_t;
#define CPUReg ((AT91RM9200_regs_t*)0xFFF00000)
extern const u_int32_t __IntTable[AIC_VECTORS];
int main()
{
int c;
for (c = 0; c < AIC_VECTORS; c++)
CPUReg->SVR[c] = __IntTable[c];
return 0;
}
/* { dg-final { scan-tree-dump-times "SVR" 1 "optimized"} } */
/* { dg-final { cleanup-tree-dump "optimized" } } */
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