/* A test for # of iterations estimation. We know that I does not overflow, thus we can perform strength reduction (even though the 32-bit variable i is first extended to 64-bit type). */ /* { dg-options "-O2 -fdump-tree-optimized" } */ /* { dg-do compile { target x86_64-*-* } } */ unsigned bar(void); void foo(unsigned *p, unsigned n) { unsigned i; for (i = 0; i < n; i++) p[i] = bar (); } /* Check that the memory reference was replaced with MEM, and that there is no multiplication. */ /* { dg-final { scan-tree-dump-times "MEM" 1 "optimized" } } */ /* { dg-final { scan-tree-dump-times "\[^\\n\\r\]*= \\* " 0 "optimized" } } */ /* { dg-final { cleanup-tree-dump "optimized" } } */