blob: 691f3507db222e589595457933d6d9a2eef88386 [file] [log] [blame]
/* This was a missed optimization in tree constant propagation
that CSE would catch later on. */
/* { dg-do compile } */
/* { dg-options "-O -fdump-tree-dce3" } */
double _Complex *a;
static const double _Complex b[10] = {0, 1, 2, 3, 4, 5, 6, 7, 8, 9};
void
test (void)
{
a[0] = b[0] + b[1];
a[1] = b[0] + b[1];
return;
}
/* After DCE2 which runs after FRE, the expressions should be fully
constant folded. There should be no loads from b left. */
/* { dg-final { scan-tree-dump-times {(?n)REALPART_EXPR.*= 1\.0e\+0} 2 "dce3" } } */
/* { dg-final { scan-tree-dump-times {(?n)IMAGPART_EXPR.*= 0\.0} 2 "dce3" } } */
/* { dg-final { scan-tree-dump-times "= b" 0 "dce3" } } */