blob: 6c02ed8eddb2c9cb0328bf1193b1ae653cd99c59 [file] [log] [blame]
 /* { dg-do run } */ /* { dg-options "-fdump-tree-original" } */ /* Check that MIN-MAX and MAX-MIN combinations are folded. */ extern void abort (void); #define MIN(a,b) ((a) < (b) ? (a) : (b)) #define MAX(a,b) ((a) > (b) ? (a) : (b)) int f1(int a, int b) { return MIN (MAX (a, b), b); /* == b */ } int f2(int a, int b) { return MAX (MIN (a, b), b); /* == b */ } int f3(int a, int b) { return MIN (MAX (b, a), b); /* == b */ } int f4(int a, int b) { return MAX (MIN (b, a), b); /* == b */ } int g1(int a, int b) { return MIN (a, MAX (a, b)); /* == a */ } int g2(int a, int b) { return MAX (a, MIN (a, b)); /* == a */ } int g3(int a, int b) { return MIN (a, MAX (b, a)); /* == a */ } int g4(int a, int b) { return MAX (a, MIN (b, a)); /* == a */ } int main(void) { if (f1 (1, 2) != 2) abort (); if (f2 (1, 2) != 2) abort (); if (f3 (1, 2) != 2) abort (); if (f4 (1, 2) != 2) abort (); if (g1 (1, 2) != 1) abort (); if (g2 (1, 2) != 1) abort (); if (g3 (1, 2) != 1) abort (); if (g4 (1, 2) != 1) abort (); return 0; } /* { dg-final { scan-tree-dump-times "MIN_EXPR" 0 "original"} } */ /* { dg-final { scan-tree-dump-times "MAX_EXPR" 0 "original"} } */