/* 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" } } */ /* { dg-final { cleanup-tree-dump "optimized" } } */