verilator/test_regress/t/t_flag_csplit_off.pl
Geza Lore ab4063f098 Emit implementations into separate files based on required headers.
This patch partitions AstCFuncs under an AstNodeModule based on which
header files they require for their implementation, and emits them
into separate files based on the distinct dependency sets. This helps
with incremental recompilation of the output C++.
2021-07-22 18:01:07 +01:00

90 lines
2.7 KiB
Perl
Executable File

#!/usr/bin/env perl
if (!$::Driver) { use FindBin; exec("$FindBin::Bin/bootstrap.pl", @ARGV, $0); die; }
# DESCRIPTION: Verilator: Verilog Test driver/expect definition
#
# Copyright 2003 by Wilson Snyder. This program is free software; you
# can redistribute it and/or modify it under the terms of either the GNU
# Lesser General Public License Version 3 or the Perl Artistic License
# Version 2.0.
# SPDX-License-Identifier: LGPL-3.0-only OR Artistic-2.0
scenarios(vlt_all => 1);
top_filename("t/t_flag_csplit.v");
while (1) {
# Thi rule requires GNU make > 4.1 (or so, known broken in 3.81)
#%__Slow.o: %__Slow.cpp
# $(OBJCACHE) $(CXX) $(CXXFLAGS) $(CPPFLAGS) $(OPT_SLOW) -c -o $@ $<
if (make_version() < 4.1) {
skip("Test requires GNU Make version >= 4.1");
last;
}
compile(
v_flags2 => ["--trace --output-split 0 --exe ../$Self->{main_filename}"],
verilator_make_gmake => 0,
);
# We don't use the standard test_regress rules, as want to test the rules
# properly build
run(logfile => "$Self->{obj_dir}/vlt_gcc.log",
tee => $self->{verbose},
cmd=>[$ENV{MAKE},
"-C ".$Self->{obj_dir},
"-f $Self->{VM_PREFIX}.mk",
"-j 4",
"VM_PREFIX=$Self->{VM_PREFIX}",
"TEST_OBJ_DIR=$Self->{obj_dir}",
"CPPFLAGS_DRIVER=-D".uc($Self->{name}),
($opt_verbose ? "CPPFLAGS_DRIVER2=-DTEST_VERBOSE=1":""),
"OPT_FAST=-O2",
"OPT_SLOW=-O0",
($param{make_flags}||""),
]);
execute(
check_finished => 1,
);
# Never spliting, so should set VM_PARALLEL_BUILDS to 0 by default
file_grep("$Self->{obj_dir}/$Self->{VM_PREFIX}_classes.mk", qr/VM_PARALLEL_BUILDS\s*=\s*0/);
check_no_splits();
check_all_file();
check_gcc_flags("$Self->{obj_dir}/vlt_gcc.log");
ok(1);
last;
}
1;
sub check_no_splits {
foreach my $file (glob("$Self->{obj_dir}/*.cpp")) {
$file =~ s/__024root//;
if ($file =~ qr/__[1-9]/) {
error("Split file found: $file");
}
}
}
sub check_all_file {
foreach my $file (glob("$Self->{obj_dir}/*.cpp")) {
if ($file =~ qr/__ALL.cpp/) {
return;
}
}
error("__ALL.cpp file not found");
}
sub check_gcc_flags {
my $filename = shift;
my $fh = IO::File->new("<$filename") or error("$! $filenme");
while (defined (my $line = $fh->getline)) {
chomp $line;
print ":log: $line\n" if $Self->{verbose};
if ($line =~ /\.cpp/ && $line =~ qr/-O0/) {
error("File built as slow (should be in __ALL.cpp) : $line");
}
}
}