Mercurial > hg > CbC > CbC_gcc
view gcc/testsuite/gcc.dg/tree-ssa/ssa-fre-56.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 "-O -fdump-tree-fre1" } */ int x = 1; int __attribute__((noinline,noclone)) fn () { return x; } int (*f)(); int main () { int res; f = fn; x = 0; res = f (); res += x; if (res != 0) __builtin_abort (); return 0; } /* We should be able to optimize the load from x in main and thus the addition. */ /* { dg-final { scan-tree-dump-times "= x;" 1 "fre1" } } */ /* { dg-final { scan-tree-dump-times " \\\+ " 0 "fre1" } } */