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.\"
.IX Title "LTO-DUMP 1"
.TH LTO-DUMP 1 2026-07-28 gcc-16 GNU
.\" For nroff, turn off justification.  Always turn off hyphenation; it makes
.\" way too many mistakes in technical documents.
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.nh
.SH NAME
lto\-dump \- Tool for dumping LTO object files
.SH SYNOPSIS
.IX Header "SYNOPSIS"
lto\-dump [\fB\-list\fR]
     [\fB\-demangle\fR]
     [\fB\-defined\-only\fR]
     [\fB\-print\-value\fR]
     [\fB\-name\-sort\fR]
     [\fB\-size\-sort\fR]
     [\fB\-reverse\-sort\fR]
     [\fB\-no\-sort\fR]
     [\fB\-symbol=\fR]
     [\fB\-objects\fR]
     [\fB\-type\-stats\fR]
     [\fB\-tree\-stats\fR]
     [\fB\-gimple\-stats\fR]
     [\fB\-dump\-level=\fR]
     [\fB\-dump\-body=\fR]
     [\fB\-help\fR] \fIlto\-dump\fR
.SH DESCRIPTION
.IX Header "DESCRIPTION"
\&\fBlto\-dump\fR is a tool you can use in conjunction with GCC to
dump link time optimization object files.
.SH OPTIONS
.IX Header "OPTIONS"
.IP \fB\-list\fR 4
.IX Item "-list"
Dumps list of details of functions and variables.
.IP \fB\-demangle\fR 4
.IX Item "-demangle"
Dump the demangled output.
.IP \fB\-defined\-only\fR 4
.IX Item "-defined-only"
Dump only the defined symbols.
.IP \fB\-print\-value\fR 4
.IX Item "-print-value"
Dump initial values of the variables.
.IP \fB\-name\-sort\fR 4
.IX Item "-name-sort"
Sort the symbols alphabetically.
.IP \fB\-size\-sort\fR 4
.IX Item "-size-sort"
Sort the symbols according to size.
.IP \fB\-reverse\-sort\fR 4
.IX Item "-reverse-sort"
Dump the symbols in reverse order.
.IP \fB\-no\-sort\fR 4
.IX Item "-no-sort"
Dump the symbols in order of occurrence.
.IP \fB\-symbol=\fR 4
.IX Item "-symbol="
Dump the details of specific symbol.
.IP \fB\-objects\fR 4
.IX Item "-objects"
Dump the details of LTO objects.
.IP \fB\-type\-stats\fR 4
.IX Item "-type-stats"
Dump the statistics of tree types.
.IP \fB\-tree\-stats\fR 4
.IX Item "-tree-stats"
Dump the statistics of trees.
.IP \fB\-gimple\-stats\fR 4
.IX Item "-gimple-stats"
Dump the statistics of gimple statements.
.IP \fB\-dump\-level=\fR 4
.IX Item "-dump-level="
For deciding the optimization level of body.
.IP \fB\-dump\-body=\fR 4
.IX Item "-dump-body="
Dump the specific gimple body.
.IP \fB\-help\fR 4
.IX Item "-help"
Display the dump tool help.
.SH COPYRIGHT
.IX Header "COPYRIGHT"
Copyright (c) 2017\-2026 Free Software Foundation, Inc.
.PP
Permission is granted to copy, distribute and/or modify this document
under the terms of the GNU Free Documentation License, Version 1.3 or
any later version published by the Free Software Foundation; with the
Invariant Sections being "GNU General Public License" and "Funding
Free Software", the Front\-Cover texts being (a) (see below), and with
the Back\-Cover Texts being (b) (see below).  A copy of the license is
included in the \fBgfdl\fR\|(7) man page.
.PP
(a) The FSF\*(Aqs Front\-Cover Text is:
.PP
.Vb 1
\&     A GNU Manual
.Ve
.PP
(b) The FSF\*(Aqs Back\-Cover Text is:
.PP
.Vb 3
\&     You have freedom to copy and modify this GNU Manual, like GNU
\&     software.  Copies published by the Free Software Foundation raise
\&     funds for GNU development.
.Ve