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-rw-r--r--gcc/tree-scalar-evolution.c12
1 files changed, 11 insertions, 1 deletions
diff --git a/gcc/tree-scalar-evolution.c b/gcc/tree-scalar-evolution.c
index e90aafb..27630f0 100644
--- a/gcc/tree-scalar-evolution.c
+++ b/gcc/tree-scalar-evolution.c
@@ -3465,7 +3465,17 @@ scev_const_prop (void)
/* Replace the uses of the name. */
if (name != ev)
- replace_uses_by (name, ev);
+ {
+ if (dump_file && (dump_flags & TDF_DETAILS))
+ {
+ fprintf (dump_file, "Replacing uses of: ");
+ print_generic_expr (dump_file, name, 0);
+ fprintf (dump_file, " with: ");
+ print_generic_expr (dump_file, ev, 0);
+ fprintf (dump_file, "\n");
+ }
+ replace_uses_by (name, ev);
+ }
if (!ssa_names_to_remove)
ssa_names_to_remove = BITMAP_ALLOC (NULL);