/* PR tree-optimization/20657 | |
VRP did not pick up a conditional equivalence from the first "if" | |
statement, which was needed to eliminate the second "if" statement. */ | |
/* { dg-do compile } */ | |
/* { dg-options "-O2 -fno-tree-dominator-opts -fno-tree-fre -fdump-tree-evrp" } */ | |
int | |
foo (int a) | |
{ | |
if (a == 0) | |
if (a == 0) | |
return 1; | |
return 0; | |
} | |
/* { dg-final { scan-tree-dump-times "if" 1 "evrp"} } */ |