Mercurial > hg > CbC > CbC_gcc
view gcc/testsuite/gcc.dg/tree-ssa/ssa-dse-16.c @ 131:84e7813d76e9
gcc-8.2
author | mir3636 |
---|---|
date | Thu, 25 Oct 2018 07:37:49 +0900 |
parents | 04ced10e8804 |
children |
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/* { dg-do compile } */ /* { dg-options "-O2 -fdump-tree-dse1-details" } */ struct X { struct A { int a[2]; } b[10]; }; void foo (struct X *x, int i) { struct A a; /* Confuse SRA here with using a variable index, otherwise it will mess with the IL too much. */ a.a[i] = 3; a.a[1] = 0; /* The following store is dead. */ x->b[i].a[0] = 1; x->b[i] = a; } /* { dg-final { scan-tree-dump "Deleted dead store" "dse1" } } */