/* { dg-do compile } */ /* { dg-options "-fstrict-overflow -fdump-tree-gimple" } */ /* Test for folding abs(x) where appropriate. */ #define abs(x) x > 0 ? x : -x extern double fabs (double); int a (int x) { return (abs(x)) >= 0; } int b (int x) { return (abs(x)) == 0; } int c (int x) { return (abs(x)) != 0; } int d (int x) { return 0 != (abs(x)); } int e (int x) { return 0 == (abs(x)); } int f (int x) { return 0 <= (abs(x)); } int g (int x) { return 0 > (abs(x)); } int h (float x) { return 0.0 > fabs(x); } int i (float x) { return fabs(x) == -0.0; } /* { dg-final { scan-tree-dump-times "ABS_EXPR" 0 "gimple" } } */ /* { dg-final { cleanup-tree-dump "gimple" } } */