diff options
Diffstat (limited to 'gcc/tree-vrp.c')
-rw-r--r-- | gcc/tree-vrp.c | 14 |
1 files changed, 9 insertions, 5 deletions
diff --git a/gcc/tree-vrp.c b/gcc/tree-vrp.c index aef20f4..3dba356 100644 --- a/gcc/tree-vrp.c +++ b/gcc/tree-vrp.c @@ -1851,8 +1851,7 @@ extract_range_from_multiplicative_op_1 (value_range *vr, || code == ROUND_DIV_EXPR || code == RSHIFT_EXPR || code == LSHIFT_EXPR); - gcc_assert ((vr0->type == VR_RANGE - || (code == MULT_EXPR && vr0->type == VR_ANTI_RANGE)) + gcc_assert (vr0->type == VR_RANGE && vr0->type == vr1->type); rtype = vr0->type; @@ -2462,9 +2461,14 @@ extract_range_from_binary_expr_1 (value_range *vr, signop sign = TYPE_SIGN (expr_type); unsigned int prec = TYPE_PRECISION (expr_type); - if (range_int_cst_p (&vr0) - && range_int_cst_p (&vr1) - && TYPE_OVERFLOW_WRAPS (expr_type)) + if (!range_int_cst_p (&vr0) + || !range_int_cst_p (&vr1)) + { + set_value_range_to_varying (vr); + return; + } + + if (TYPE_OVERFLOW_WRAPS (expr_type)) { typedef FIXED_WIDE_INT (WIDE_INT_MAX_PRECISION * 2) vrp_int; typedef generic_wide_int |