Improve uninit diagnostic dumps
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Commit Message
The following dumps the edge a use is uninitialized in a PHI.
Bootstrapped and tested on x86_64-unknown-linux-gnu, pushed.
* 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(-)
@@ -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