From 2792cb50f55529e1737461e032ed13e7f04f73d2 Mon Sep 17 00:00:00 2001
From: Richard Biener <rguenther@suse.de>
Date: Wed, 30 Nov 2022 12:03:56 +0100
Subject: [PATCH] Improve uninit diagnostic dumps
The following dumps the edge a use is uninitialized in a PHI.
* tree-ssa-uninit.cc (find_uninit_use): Dump the edge for a
PHI node.
---
gcc/tree-ssa-uninit.cc | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/gcc/tree-ssa-uninit.cc b/gcc/tree-ssa-uninit.cc
index bf2e50511af1..7fbc384f2d4c 100644
--- a/gcc/tree-ssa-uninit.cc
+++ b/gcc/tree-ssa-uninit.cc
@@ -1249,8 +1249,8 @@ find_uninit_use (gphi *phi, unsigned uninit_opnds, int *bb_to_rpo)
if (dump_file && (dump_flags & TDF_DETAILS))
{
- fprintf (dump_file, "Found unguarded use in bb %u: ",
- use_bb->index);
+ fprintf (dump_file, "Found unguarded use on edge %u -> %u: ",
+ e->src->index, e->dest->index);
print_gimple_stmt (dump_file, use_stmt, 0);
}
/* Found a phi use that is not guarded, mark the phi_result as
--
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