# Copyright (C) 2005-2020 Free Software Foundation, Inc.

# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 3 of the License, or
# (at your option) any later version.
# 
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
# GNU General Public License for more details.
# 
# You should have received a copy of the GNU General Public License
# along with GCC; see the file COPYING3.  If not see
# <http://www.gnu.org/licenses/>.

# Run the LANGUAGE compiler with GCC_OPTIONS and inspect the compiler,
# assembler and linker output (from gcc -v) to make sure that they
# match the patterns COMPILER_PATTERN, AS_PATTERN and LD_PATTERN,
# respectively.

load_lib gcc-defs.exp

# disable for non-profile targets explitly, rather than
# rely on check-effective target.  We're explicitly trying to check
# profiling works, and if it doesn't check-effective-target will
# simply skip the tests, rather than have this test shout at us.
if [ istarget "nvptx-*-*" ] { return 0 }

# These tests don't run runtest_file_p consistently if it
# doesn't return the same values, so disable parallelization
# of this *.exp file.  The first parallel runtest to reach
# this will run all the tests serially.
if ![gcc_parallel_test_run_p options] {
    return
}
gcc_parallel_test_enable 0

proc check_for_all_options {language gcc_options compiler_pattern as_pattern ld_pattern} {
    set filename test-[pid]
    set fd [open $filename.c w]
    puts $fd "int main (void) \{ return 0; \}"
    close $fd
    remote_download host $filename.c

    set test "compiler driver $gcc_options option(s)"
    set gcc_options "\{additional_flags=$gcc_options -v\}"

    switch "$language" {
	"c" { set compiler cc1 }
	default { error "unknown language" }
    }
    set gcc_output [gcc_target_compile $filename.c $filename.x executable $gcc_options]
    remote_file build delete $filename.c $filename.x $filename.gcno
    set dumpfiles [glob -nocomplain $filename.c.*]
    foreach dumpfile $dumpfiles {
	remote_file build delete $dumpfile
    }   

    if {![regexp -- "/${compiler}(\\.exe)? -quiet.*$compiler_pattern" $gcc_output]} {
	fail "$test (compiler options)"
	return
    }
    if {![regexp -- " *as(\\.exe)? .*$as_pattern" $gcc_output]} {
	fail "$test (assembler options)"
	return
    }
    # Match /collect2, /ld, or *-ld.
    if {![regexp -- "(/collect2|\[-/\]ld)(\\.exe)? .*$ld_pattern" $gcc_output]} {
	fail "$test (linker options)"
	return
    }
    pass $test
}

check_for_all_options c {--coverage} {-fprofile-arcs -ftest-coverage} {} {-lgcov}

proc get_dump_flags {} {
    set res [list]

    global srcdir
    set file "$srcdir/../dumpfile.c"
    
    set a [open $file]
    set lines [split [read $a] "\n"]
    close $a

    set domatch 0
    foreach line $lines {
	if { [regexp "dump_options.* =" $line] } {
	    set domatch 1
	} elseif { [regexp "^\};" $line] } {
	    set domatch 0
	}
	if { $domatch } {
	    if { [regexp "\"(.*)\"" $line match submatch] } {
		lappend res $submatch
	    }
	}
    }

    return $res
}

foreach flag [get_dump_flags] {
    check_for_all_options c -fdump-tree-all-$flag {} {} {}
    check_for_all_options c -fdump-ipa-all-$flag {} {} {}
    check_for_all_options c -fdump-rtl-all-$flag {} {} {}
    check_for_all_options c -fdump-lang-all-$flag {} {} {}
}

gcc_parallel_test_enable 1