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[/] [openrisc/] [trunk/] [gnu-old/] [gcc-4.2.2/] [gcc/] [testsuite/] [gcc.dg/] [tree-ssa/] [loop-16.c] - Rev 816
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/* A test for # of iterations estimation. We know that the loop is executed at most 100 times, thus the (32-bit) induction variables do not overflow, and we may use 64-bit variable to represent them. */ /* { dg-options "-O2 -fdump-tree-optimized" } */ /* { dg-do compile { target x86_64-*-* } } */ unsigned a[100]; void foo(unsigned n) { unsigned i; for (i = 0; i < n; i++) a[i] = 4 * i; } /* 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" } } */