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[PATCH v4 20/20] remove unused macros
- From: Tom Tromey <tromey at redhat dot com>
- To: gcc-patches at gcc dot gnu dot org
- Cc: bonzini at gnu dot org, Tom Tromey <tromey at redhat dot com>
- Date: Mon, 23 Sep 2013 08:12:00 -0600
- Subject: [PATCH v4 20/20] remove unused macros
- Authentication-results: sourceware.org; auth=none
- References: <1379945520-3839-1-git-send-email-tromey at redhat dot com>
I used this perl script to find unused _H macros in the Makefile. I
deleted the definitions it reported and re-ran the script, until there
was no more output.
The script also makes note of _H variables which are used but never
defined. That is how I found the TREE_GIMPLE_H use, fixed earlier in
the series.
Once Ada and the various config files are migrated to automatic
dependencies, we can run this script again and remove more things.
If you find yourself needing to add a new _H variable -- don't!
Instead, take the few seconds to verify that automatic dependencies
work in this case, and remove the manual dependencies for whatever
object you are dealing with.
================================================================
while (<>) {
chomp;
if (m/^(([A-Z0-9_]+)_H)\s*:?=\s/) {
$saw_def{$1} = $ARGV . ":" . $.;
}
while (m/\$[({](([A-Z0-9_]+)_H)[)}](.*)/) {
$saw_use{$1} = 1;
$_ = $3;
}
} continue {
close ARGV if eof;
}
foreach $key (sort keys %saw_use) {
if (! defined $saw_def{$key}) {
print "use without a def of ", $key, "\n";
}
}
foreach $key (sort keys %saw_def) {
if (! defined $saw_use{$key}) {
print $saw_def{$key}, ": no use of ", $key, "\n";
}
}
================================================================
* Makefile.in (PARTITION_H, LTO_SYMTAB_H, COMMON_TARGET_DEF_H)
(RTL_ERROR_H, TRANS_MEM_H, COVERAGE_H, DEMANGLE_H, ALIAS_H)
(SCHED_INT_H, SEL_SCHED_IR_H, SEL_SCHED_DUMP_H, VALTRACK_H, DDG_H)
(GGC_INTERNAL_H, DECNUM_H, BACKTRACE_H, MKDEPS_H, TREE_HASHER_H)
(TREE_SSA_LIVE_H, SSAEXPAND_H, DWARF2OUT_H, SCEV_H, OMEGA_H)
(TREE_DATA_REF_H, IRA_INT_H, LRA_INT_H, DBGCNT_H, DATA_STREAMER_H)
(GIMPLE_STREAMER_H, TREE_STREAMER_H, STREAMER_HOOKS_H)
(TREE_VECTORIZER_H, IPA_INLINE_H, GSTAB_H, LIBFUNCS_H)
(GRAPHITE_HTAB_H): Remove.
---
gcc/Makefile.in | 49 -------------------------------------------------
1 file changed, 49 deletions(-)
diff --git a/gcc/Makefile.in b/gcc/Makefile.in
index f49ca49..d10e48a 100644
--- a/gcc/Makefile.in
+++ b/gcc/Makefile.in
@@ -446,16 +446,12 @@ STRIP_FOR_TARGET := $(shell \
HASHTAB_H = $(srcdir)/../include/hashtab.h
OBSTACK_H = $(srcdir)/../include/obstack.h
SPLAY_TREE_H= $(srcdir)/../include/splay-tree.h
-FIBHEAP_H = $(srcdir)/../include/fibheap.h
-PARTITION_H = $(srcdir)/../include/partition.h
MD5_H = $(srcdir)/../include/md5.h
-DWARF2_H = $(srcdir)/../include/dwarf2.h $(srcdir)/../include/dwarf2.def
XREGEX_H = $(srcdir)/../include/xregex.h
FNMATCH_H = $(srcdir)/../include/fnmatch.h
# Linker plugin API headers
LINKER_PLUGIN_API_H = $(srcdir)/../include/plugin-api.h
-LTO_SYMTAB_H = $(srcdir)/../include/lto-symtab.h
# Default native SYSTEM_HEADER_DIR, to be overridden by targets.
NATIVE_SYSTEM_HEADER_DIR = @NATIVE_SYSTEM_HEADER_DIR@
@@ -864,14 +860,11 @@ LANGHOOKS_DEF_H = langhooks-def.h $(HOOKS_H)
TARGET_DEF_H = target-def.h target-hooks-def.h $(HOOKS_H) targhooks.h
C_TARGET_DEF_H = c-family/c-target-def.h c-family/c-target-hooks-def.h \
$(TREE_H) $(C_COMMON_H) $(HOOKS_H) common/common-targhooks.h
-COMMON_TARGET_DEF_H = common/common-target-def.h \
- common/common-target-hooks-def.h $(HOOKS_H)
RTL_BASE_H = coretypes.h rtl.h rtl.def $(MACHMODE_H) reg-notes.def \
insn-notes.def $(INPUT_H) $(REAL_H) statistics.h $(VEC_H) \
$(FIXED_VALUE_H) alias.h $(HASHTAB_H)
FIXED_VALUE_H = fixed-value.h $(MACHMODE_H) double-int.h
RTL_H = $(RTL_BASE_H) $(FLAGS_H) genrtl.h
-RTL_ERROR_H = rtl-error.h $(RTL_H) $(DIAGNOSTIC_CORE_H)
READ_MD_H = $(OBSTACK_H) $(HASHTAB_H) read-md.h
PARAMS_H = params.h params.def
BUILTINS_DEF = builtins.def sync-builtins.def omp-builtins.def \
@@ -891,12 +884,8 @@ BASIC_BLOCK_H = basic-block.h $(PREDICT_H) $(VEC_H) $(FUNCTION_H) \
GIMPLE_H = gimple.h gimple.def gsstruct.def pointer-set.h $(VEC_H) \
$(GGC_H) $(BASIC_BLOCK_H) $(TREE_H) tree-ssa-operands.h \
tree-ssa-alias.h $(INTERNAL_FN_H) $(HASH_TABLE_H)
-TRANS_MEM_H = trans-mem.h
GCOV_IO_H = gcov-io.h gcov-iov.h auto-host.h
-COVERAGE_H = coverage.h $(GCOV_IO_H)
-DEMANGLE_H = $(srcdir)/../include/demangle.h
RECOG_H = recog.h
-ALIAS_H = alias.h
EMIT_RTL_H = emit-rtl.h
FLAGS_H = flags.h flag-types.h $(OPTIONS_H)
OPTIONS_H = options.h flag-types.h $(OPTIONS_H_EXTRA)
@@ -905,11 +894,6 @@ FUNCTION_H = function.h $(HASHTAB_H) $(TM_H) hard-reg-set.h \
EXPR_H = expr.h insn-config.h $(FUNCTION_H) $(RTL_H) $(FLAGS_H) $(TREE_H) $(MACHMODE_H) $(EMIT_RTL_H)
OPTABS_H = optabs.h insn-codes.h insn-opinit.h
REGS_H = regs.h $(MACHMODE_H) hard-reg-set.h
-SCHED_INT_H = sched-int.h $(INSN_ATTR_H) $(BASIC_BLOCK_H) $(RTL_H) $(DF_H) \
- $(REGSET_H)
-SEL_SCHED_IR_H = sel-sched-ir.h $(INSN_ATTR_H) $(BASIC_BLOCK_H) $(RTL_H) \
- $(GGC_H) $(BITMAP_H) $(SCHED_INT_H) $(CFGLOOP_H) $(REGSET_H)
-SEL_SCHED_DUMP_H = sel-sched-dump.h $(SEL_SCHED_IR_H)
CFGLOOP_H = cfgloop.h $(BASIC_BLOCK_H) double-int.h \
$(BITMAP_H) sbitmap.h
IPA_UTILS_H = ipa-utils.h $(TREE_H) $(CGRAPH_H)
@@ -918,13 +902,9 @@ CGRAPH_H = cgraph.h $(VEC_H) $(TREE_H) $(BASIC_BLOCK_H) $(FUNCTION_H) \
cif-code.def ipa-ref.h ipa-ref-inline.h $(LINKER_PLUGIN_API_H) is-a.h
DF_H = df.h $(BITMAP_H) $(REGSET_H) sbitmap.h $(BASIC_BLOCK_H) \
alloc-pool.h $(TIMEVAR_H)
-VALTRACK_H = valtrack.h $(BITMAP_H) $(DF_H) $(RTL_H) $(BASIC_BLOCK_H) \
- $(HASH_TABLE_H)
RESOURCE_H = resource.h hard-reg-set.h $(DF_H)
-DDG_H = ddg.h sbitmap.h $(DF_H)
GCC_H = gcc.h version.h $(DIAGNOSTIC_CORE_H)
GGC_H = ggc.h gtype-desc.h statistics.h
-GGC_INTERNAL_H = ggc-internal.h $(GGC_H)
TIMEVAR_H = timevar.h timevar.def
INSN_ATTR_H = insn-attr.h insn-attr-common.h $(INSN_ADDR_H)
INSN_ADDR_H = $(srcdir)/insn-addr.h
@@ -939,11 +919,6 @@ CPPLIB_H = $(srcdir)/../libcpp/include/line-map.h \
$(srcdir)/../libcpp/include/cpplib.h
INPUT_H = $(srcdir)/../libcpp/include/line-map.h input.h
OPTS_H = $(INPUT_H) $(VEC_H) opts.h $(OBSTACK_H)
-DECNUM_H = $(DECNUM)/decContext.h $(DECNUM)/decDPD.h $(DECNUM)/decNumber.h \
- $(DECNUMFMT)/decimal32.h $(DECNUMFMT)/decimal64.h \
- $(DECNUMFMT)/decimal128.h $(DECNUMFMT)/decimal128Local.h
-BACKTRACE_H = $(BACKTRACE)/backtrace.h
-MKDEPS_H = $(srcdir)/../libcpp/include/mkdeps.h
SYMTAB_H = $(srcdir)/../libcpp/include/symtab.h $(OBSTACK_H)
CPP_ID_DATA_H = $(CPPLIB_H) $(srcdir)/../libcpp/include/cpp-id-data.h
CPP_INTERNAL_H = $(srcdir)/../libcpp/internal.h $(CPP_ID_DATA_H)
@@ -954,49 +929,25 @@ TREE_FLOW_H = tree-flow.h tree-flow-inline.h tree-ssa-operands.h \
$(HASHTAB_H) $(CGRAPH_H) $(IPA_REFERENCE_H) \
tree-ssa-alias.h
TREE_SSA_H = tree-ssa.h $(TREE_FLOW_H)
-TREE_HASHER_H = tree-hasher.h $(HASH_TABLE_H) $(TREE_FLOW_H)
-TREE_SSA_LIVE_H = tree-ssa-live.h $(PARTITION_H)
-SSAEXPAND_H = ssaexpand.h $(TREE_SSA_LIVE_H)
PRETTY_PRINT_H = pretty-print.h $(INPUT_H) $(OBSTACK_H)
TREE_PRETTY_PRINT_H = tree-pretty-print.h $(PRETTY_PRINT_H)
GIMPLE_PRETTY_PRINT_H = gimple-pretty-print.h $(TREE_PRETTY_PRINT_H)
DIAGNOSTIC_CORE_H = diagnostic-core.h $(INPUT_H) bversion.h diagnostic.def
DIAGNOSTIC_H = diagnostic.h $(DIAGNOSTIC_CORE_H) $(PRETTY_PRINT_H)
-DWARF2OUT_H = dwarf2out.h $(DWARF2_H)
C_PRETTY_PRINT_H = c-family/c-pretty-print.h $(PRETTY_PRINT_H) \
$(C_COMMON_H) $(TREE_H)
-SCEV_H = tree-scalar-evolution.h $(GGC_H) tree-chrec.h $(PARAMS_H)
-OMEGA_H = omega.h $(PARAMS_H)
-TREE_DATA_REF_H = tree-data-ref.h $(OMEGA_H) graphds.h $(SCEV_H)
TREE_INLINE_H = tree-inline.h
REAL_H = real.h $(MACHMODE_H)
-IRA_INT_H = ira.h ira-int.h $(CFGLOOP_H) alloc-pool.h
-LRA_INT_H = lra.h $(BITMAP_H) $(RECOG_H) $(INSN_ATTR_H) insn-codes.h \
- insn-config.h $(REGS_H) lra-int.h
-DBGCNT_H = dbgcnt.h dbgcnt.def
LTO_STREAMER_H = lto-streamer.h $(LINKER_PLUGIN_API_H) $(TARGET_H) \
$(CGRAPH_H) $(VEC_H) $(HASH_TABLE_H) $(TREE_H) $(GIMPLE_H) \
$(GCOV_IO_H) $(DIAGNOSTIC_H) alloc-pool.h pointer-set.h
-DATA_STREAMER_H = data-streamer.h $(VEC_H) $(LTO_STREAMER_H)
-GIMPLE_STREAMER_H = gimple-streamer.h $(LTO_STREAMER_H) $(BASIC_BLOCK_H) \
- $(FUNCTION_H)
-TREE_STREAMER_H = tree-streamer.h $(TREE_H) $(LTO_STREAMER_H) \
- $(STREAMER_HOOKS_H)
-STREAMER_HOOKS_H = streamer-hooks.h $(TREE_H)
-TREE_VECTORIZER_H = tree-vectorizer.h $(TREE_DATA_REF_H) $(TARGET_H) \
- $(HASH_TABLE_H)
IPA_PROP_H = ipa-prop.h $(TREE_H) $(VEC_H) $(CGRAPH_H) $(GIMPLE_H) alloc-pool.h
-IPA_INLINE_H = ipa-inline.h $(IPA_PROP_H)
-GSTAB_H = gstab.h stab.def
BITMAP_H = bitmap.h $(HASHTAB_H) statistics.h
GCC_PLUGIN_H = gcc-plugin.h highlev-plugin-common.h plugin.def \
$(CONFIG_H) $(SYSTEM_H) $(HASHTAB_H)
PLUGIN_H = plugin.h $(GCC_PLUGIN_H)
PLUGIN_VERSION_H = plugin-version.h configargs.h
-LIBFUNCS_H = libfuncs.h $(HASHTAB_H)
-GRAPHITE_HTAB_H = graphite-htab.h graphite-clast-to-gimple.h $(HASH_TABLE_H)
CONTEXT_H = context.h
-PASS_MANAGER_H = pass_manager.h pass-instances.def
#
# Now figure out from those variables how to compile and link.
--
1.8.1.4