diff options
Diffstat (limited to 'gcc')
| -rw-r--r-- | gcc/gimple-range.cc | 10 | ||||
| -rw-r--r-- | gcc/testsuite/gcc.dg/pr110875.c | 34 |
2 files changed, 41 insertions, 3 deletions
diff --git a/gcc/gimple-range.cc b/gcc/gimple-range.cc index 01173c5..13c3308 100644 --- a/gcc/gimple-range.cc +++ b/gcc/gimple-range.cc @@ -351,10 +351,14 @@ gimple_ranger::prefill_name (vrange &r, tree name) if (!gimple_range_op_handler::supported_p (stmt) && !is_a<gphi *> (stmt)) return; - bool current; // If this op has not been processed yet, then push it on the stack - if (!m_cache.get_global_range (r, name, current)) - m_stmt_list.safe_push (name); + if (!m_cache.get_global_range (r, name)) + { + bool current; + // Set the global cache value and mark as alway_current. + m_cache.get_global_range (r, name, current); + m_stmt_list.safe_push (name); + } } // This routine will seed the global cache with most of the dependencies of diff --git a/gcc/testsuite/gcc.dg/pr110875.c b/gcc/testsuite/gcc.dg/pr110875.c new file mode 100644 index 0000000..4d6ecbc --- /dev/null +++ b/gcc/testsuite/gcc.dg/pr110875.c @@ -0,0 +1,34 @@ +/* { dg-do compile } */ +/* { dg-options "-O2 -fdump-tree-vrp2" } */ + +void foo(void); +static int a, b; +static int *c = &a, *d; +static unsigned e; +static short f; +static unsigned g(unsigned char h, char i) { return h + i; } +int main() { + d = &a; + int *j = d; + e = -27; + for (; e > 18; e = g(e, 6)) { + a = 0; + for (; a != -3; a--) { + if (0 != a ^ *j) + for (; b; b++) f = -f; + else if (*c) { + foo(); + break; + } + if (!(((e) >= 235) && ((e) <= 4294967269))) { + __builtin_unreachable(); + } + b = 0; + } + } +} + + +/* { dg-final { scan-tree-dump-not "foo" "vrp2" } } */ + + |