Mercurial > hg > CbC > CbC_gcc
view gcc/testsuite/gcc.dg/tree-ssa/loop-3.c @ 152:2b5abeee2509
update gcc11
author | anatofuz |
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date | Mon, 25 May 2020 07:50:57 +0900 |
parents | 04ced10e8804 |
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/* A test for strength reduction and induction variable elimination. Target is restricted to x86 type architectures, so that we may assume something about memory addressing modes. */ /* { dg-do compile { target { { i?86-*-* x86_64-*-* } && nonpic } } } */ /* { dg-options "-O1 -fdump-tree-optimized" } */ int arr_base[100]; int foo(int); void xxx(void) { long iter; for (iter = 0; iter < 100; iter++) arr_base[iter] = foo (iter); } /* Access to arr_base[iter].y should not be strength reduced, since we have a memory mode including multiplication by 4. */ /* { dg-final { scan-tree-dump-times "MEM" 1 "optimized" } } */ /* { dg-final { scan-tree-dump-times "step:" 1 "optimized" } } */ /* And original induction variable should be preserved. */ /* { dg-final { scan-tree-dump-times "int iter" 1 "optimized" } } */