Mercurial > hg > CbC > CbC_gcc
view gcc/testsuite/gcc.dg/tree-ssa/vrp67.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-vrp1" } */ extern void link_error (void); unsigned foo (unsigned i) { if (i == 2) { i = i << 2; if (i != 8) link_error (); } return i; } unsigned bar (unsigned i) { if (i == 1 << (sizeof (unsigned) * 8 - 1)) { i = i << 1; if (i != 0) link_error (); } return i; } unsigned baz (unsigned i) { i = i & 15; if (i == 0) return 0; i = 1000 - i; i >>= 1; i <<= 1; if (i == 0) link_error (); return i; } /* { dg-final { scan-tree-dump-times "if" 3 "vrp1" } } */