Mercurial > hg > CbC > CbC_gcc
view gcc/testsuite/gcc.dg/tree-ssa/vrp06.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 -fdisable-tree-evrp -fdump-tree-vrp1" } */ int baz (void); int foo (int i, int j, int a) { if (i >= 10) if (i <= 30) if (i == j) { a--; /* This should fold to 'if (0)'. */ if (i < 0) i = baz (); /* This should fold to 'if (1)'. */ if (j > 0) a--; /* This should fold to 'if (0)'. */ if (i != j) return 0; } return i + a + j; } /* { dg-final { scan-tree-dump-times "Folding predicate \[i|j\]_\[0-9\]+.*0 to 0" 1 "vrp1" } } */ /* { dg-final { scan-tree-dump-times "Folding predicate \[i|j\]_\[0-9\]+.*0 to 1" 1 "vrp1" } } */ /* { dg-final { scan-tree-dump-times "Folding predicate i_\[0-9]+.*j_\[0-9\]+.* to 0" 1 "vrp1" } } */