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/* { dg-do compile } */
/* { dg-options "-O -g -fdump-tree-backprop-details" } */
/* Test a simple reduction loop in which all inputs are sign ops and
the consumer doesn't care about the sign. */
#define TEST_FUNCTION(TYPE, SUFFIX) \
TYPE \
test##SUFFIX (TYPE x, TYPE y, TYPE *array, int n) \
{ \
x = __builtin_copysign##SUFFIX (x, y); \
for (int i = 0; i < n; ++i) \
x *= -array[i]; \
return __builtin_hypot##SUFFIX (x, y); \
}
TEST_FUNCTION (float, f)
TEST_FUNCTION (double, )
TEST_FUNCTION (long double, l)
/* { dg-final { scan-tree-dump-times {Deleting[^\n]* = __builtin_copysign} 3 "backprop" } } */
/* { dg-final { scan-tree-dump-times {Deleting[^\n]* = -} 3 "backprop" } } */
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