Mercurial > hg > CbC > CbC_gcc
view gcc/testsuite/gcc.dg/tree-ssa/pr20318.c @ 158:494b0b89df80 default tip
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author | Shinji KONO <kono@ie.u-ryukyu.ac.jp> |
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date | Mon, 25 May 2020 18:13:55 +0900 |
parents | 04ced10e8804 |
children |
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/* { dg-do compile { target { ! keeps_null_pointer_checks } } } */ /* { dg-options "-O2 -fdump-tree-original -fdump-tree-vrp1 -fdelete-null-pointer-checks -fdisable-tree-evrp" } */ extern int* f(int) __attribute__((returns_nonnull)); extern void eliminate (); void g () { if (f (2) == 0) eliminate (); } void h () { int *p = f (2); if (p == 0) eliminate (); } /* { dg-final { scan-tree-dump-times "== 0" 1 "original" } } */ /* { dg-final { scan-tree-dump-times "Folding predicate\[^\\n\]*to 0" 1 "vrp1" } } */