/* PR 30730, PR 26900, number of iterations analysis should be able to | |
determine number of iterations of the following loops unconditionally. */ | |
/* { dg-do compile } */ | |
/* { dg-options "-O2 -fstrict-overflow -fdump-tree-optimized-blocks" } */ | |
unsigned foo(unsigned int n) | |
{ | |
unsigned x = 0;; | |
while (n > 10) | |
{ | |
n -= 2; | |
x++; | |
} | |
return x; | |
} | |
int foo0(int i0, int i1) | |
{ | |
int i, j = 0; | |
for (i=i0; i<=i1+1; ++i) | |
++j; | |
return j; | |
} | |
/* { dg-final { scan-tree-dump-times "if" 2 "optimized" } } */ |