While rewriting PHI-OPT to use match and simplify infrastructure, I
ran into a problem where VRP pass would create a EQ_EXPR which has a
non boolean type inside the VRP pass. This currently works on
accident as it seems we don't check the type of the argument of
COND_EXPR gimple to be boolean type if it is a comparison.
OK? Bootstrapped and tested on aarch64-linux-gnu with no regressions.
Thanks,
Andrew Pinski
ChangeLog:
* tree-vrp.c (simplify_stmt_using_ranges): Use boolean_type_node
for the EQ_EXPR.
Index: tree-vrp.c
===================================================================
--- tree-vrp.c (revision 242933)
+++ tree-vrp.c (working copy)
@@ -10225,7 +10225,7 @@ simplify_stmt_using_ranges (gimple_stmt_
in divide by zero, new_rhs1 / new_rhs will be NULL_TREE. */
if (new_rhs1 && new_rhs2)
{
- tree cond = build2 (EQ_EXPR, TREE_TYPE (cmp_var), cmp_var, val1);
+ tree cond = build2 (EQ_EXPR, boolean_type_node, cmp_var, val1);
gimple_assign_set_rhs_with_ops (gsi,
COND_EXPR, cond,
new_rhs1,
