📄 pr19807.c
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/* { dg-do compile } *//* { dg-options "-O -fdump-tree-optimized" } */int a[4];int *x, *y, *z;void foo(void){ x = &a[3] - 1; y = &a[1] + 1; z = 1 + &a[1];}void bar(int i){ x = &a[i] - 1; y = &a[i] + 1; z = 1 + &a[i];}/* { dg-final { scan-tree-dump-times "&a\\\[2\\\]" 3 "optimized" } } *//* { dg-final { scan-tree-dump-times "&a\\\[.* - 1\\\]" 1 "optimized" } } *//* { dg-final { scan-tree-dump-times "&a\\\[.* \\+ 1\\\]" 1 "optimized" } } *//* { dg-final { cleanup-tree-dump "optimized" } } */
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