/* { dg-do compile } */ /* { dg-options "-O -g -fdump-tree-backprop-details" } */ /* Test a simple case of non-looping code in which both uses ignore the sign but only one definition is a sign op. */ #define TEST_FUNCTION(TYPE, SUFFIX) \ TYPE \ test##SUFFIX (TYPE x, int sel1, int sel2) \ { \ TYPE input = sel1 ? -x : x + 1; \ if (sel2) \ return __builtin_cos##SUFFIX (input); \ else \ return __builtin_cosh##SUFFIX (input); \ } TEST_FUNCTION (float, f) TEST_FUNCTION (double, ) TEST_FUNCTION (long double, l) /* { dg-final { scan-tree-dump-times {Deleting[^\n]* = -x} 3 "backprop" } } */