gcc/testsuite/lib/objc-torture.exp

   1 # Copyright (C) 1992-1998, 1999, 2000, 2007 Free Software Foundation, Inc.
   2
   3 # This program is free software; you can redistribute it and/or modify
   4 # it under the terms of the GNU General Public License as published by
   5 # the Free Software Foundation; either version 3 of the License, or
   6 # (at your option) any later version.
   7 #
   8 # This program is distributed in the hope that it will be useful,
   9 # but WITHOUT ANY WARRANTY; without even the implied warranty of
  10 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  11 # GNU General Public License for more details.
  12 #
  13 # You should have received a copy of the GNU General Public License
  14 # along with GCC; see the file COPYING3.  If not see
  15 # <http://www.gnu.org/licenses/>.
  16
  17 # This file was written by Rob Savoye. (rob@cygnus.com)
  18
  19 load_lib file-format.exp
  20
  21 if ![info exists OBJC_RUNTIME_OPTIONS] {
  22   set OBJC_RUNTIME_OPTIONS ""
  23   foreach type {-fgnu-runtime -fnext-runtime} {
  24     global srcdir subdir
  25
  26     set comp_output [objc_target_compile \
  27     "$srcdir/$subdir/trivial.m" "trivial.exe" executable "additional_flags=$type"]
  28
  29     # If we get any error, then we failed
  30     if ![string match "" $comp_output] then {
  31       continue;
  32     }
  33     lappend OBJC_RUNTIME_OPTIONS $type
  34   }
  35 }
  36 verbose -log "Using the following runtimes: $OBJC_RUNTIME_OPTIONS"
  37
  38
  39 # The default option list can be overridden by
  40 # TORTURE_OPTIONS="{ { list1 } ... { listN } }"
  41
  42 if [info exists TORTURE_OPTIONS] {
  43     set OBJC_TORTURE_OPTIONS $TORTURE_OPTIONS
  44 } else {
  45     # It is theoretically beneficial to group all of the O2/O3 options together,
  46     # as in many cases the compiler will generate identical executables for
  47     # all of them--and the objc-torture testsuite will skip testing identical
  48     # executables multiple times.
  49     # Also note that -finline-functions is explicitly included in one of the
  50     # items below, even though -O3 is also specified, because some ports may
  51     # choose to disable inlining functions by default, even when optimizing.
  52     set OBJC_TORTURE_OPTIONS [list \
  53         " -O0 " \
  54         " -O1 " \
  55         " -O2 " \
  56         " -O3 -fomit-frame-pointer " \
  57         " -O3 -fomit-frame-pointer -funroll-loops " \
  58         " -O3 -fomit-frame-pointer -funroll-all-loops -finline-functions " \
  59         " -O3 -g " \
  60         " -Os " ]
  61 }
  62
  63 #
  64 # objc-torture-compile -- runs the Tege OBJC-torture test
  65 #
  66 # SRC is the full pathname of the testcase.
  67 # OPTION is the specific compiler flag we're testing (eg: -O2).
  68 #
  69 proc objc-torture-compile { src option } {
  70     global output
  71     global srcdir tmpdir
  72     global host_triplet
  73
  74     set output "$tmpdir/[file tail [file rootname $src]].o"
  75
  76     regsub "(?q)$srcdir/" $src "" testcase
  77     # If we couldn't rip $srcdir out of `src' then just do the best we can.
  78     # The point is to reduce the unnecessary noise in the logs.  Don't strip
  79     # out too much because different testcases with the same name can confuse
  80     # `test-tool'.
  81     if [string match "/*" $testcase] {
  82         set testcase "[file tail [file dirname $src]]/[file tail $src]"
  83     }
  84
  85     verbose "Testing $testcase, $option" 1
  86
  87     # Run the compiler and analyze the results.
  88     set options ""
  89     lappend options "additional_flags=-w $option"
  90
  91     set comp_output [objc_target_compile "$src" "$output" object $options]
  92     objc_check_compile $testcase $option $output $comp_output
  93     remote_file build delete $output
  94 }
  95
  96 #
  97 # objc-torture-execute -- utility to compile and execute a testcase
  98 #
  99 # SRC is the full pathname of the testcase.
 100 #
 101 # If the testcase has an associated .x file, we source that to run the
 102 # test instead.  We use .x so that we don't lengthen the existing filename
 103 # to more than 14 chars.
 104 #
 105 proc objc-torture-execute { src args } {
 106     global tmpdir tool srcdir output compiler_conditional_xfail_data
 107
 108     if { [llength $args] > 0 } {
 109         set additional_flags [lindex $args 0]
 110     } else {
 111         set additional_flags ""
 112     }
 113     # Check for alternate driver.
 114     if [file exists [file rootname $src].x] {
 115         verbose "Using alternate driver [file rootname [file tail $src]].x" 2
 116         set done_p 0
 117         catch "set done_p \[source [file rootname $src].x\]"
 118         if { $done_p } {
 119             return
 120         }
 121     }
 122
 123     # Look for a loop within the source code - if we don't find one,
 124     # don't pass -funroll[-all]-loops.
 125     global torture_with_loops torture_without_loops
 126     if [expr [search_for $src "for*("]+[search_for $src "while*("]] then {
 127         set option_list $torture_with_loops
 128     } else {
 129         set option_list $torture_without_loops
 130     }
 131
 132     set executable $tmpdir/[file tail [file rootname $src].x]
 133
 134     regsub "(?q)$srcdir/" $src "" testcase
 135     # If we couldn't rip $srcdir out of `src' then just do the best we can.
 136     # The point is to reduce the unnecessary noise in the logs.  Don't strip
 137     # out too much because different testcases with the same name can confuse
 138     # `test-tool'.
 139     if [string match "/*" $testcase] {
 140         set testcase "[file tail [file dirname $src]]/[file tail $src]"
 141     }
 142
 143     set count 0
 144     set oldstatus "foo"
 145     foreach option $option_list {
 146         if { $count > 0 } {
 147             set oldexec $execname
 148         }
 149         set execname "${executable}${count}"
 150         incr count
 151
 152         # torture_{compile,execute}_xfail are set by the .x script
 153         # (if present)
 154         if [info exists torture_compile_xfail] {
 155             setup_xfail $torture_compile_xfail
 156         }
 157
 158         # torture_execute_before_{compile,execute} can be set by the .x script
 159         # (if present)
 160         if [info exists torture_eval_before_compile] {
 161             set ignore_me [eval $torture_eval_before_compile]
 162         }
 163
 164         remote_file build delete $execname
 165         verbose "Testing $testcase, $option" 1
 166
 167         set options ""
 168         lappend options "additional_flags=-w $option"
 169         if { $additional_flags != "" } {
 170             lappend options "additional_flags=$additional_flags"
 171         }
 172         set comp_output [objc_target_compile "$src" "${execname}" executable $options]
 173
 174         if ![objc_check_compile "$testcase compilation" $option $execname $comp_output] {
 175             unresolved "$testcase execution, $option"
 176             remote_file build delete $execname
 177             continue
 178         }
 179
 180         # See if this source file uses "long long" types, if it does, and
 181         # no_long_long is set, skip execution of the test.
 182         if [target_info exists no_long_long] then {
 183             if [expr [search_for $src "long long"]] then {
 184                 unsupported "$testcase execution, $option"
 185                 continue
 186             }
 187         }
 188
 189         if [info exists torture_execute_xfail] {
 190             setup_xfail $torture_execute_xfail
 191         }
 192
 193         if [info exists torture_eval_before_execute] {
 194             set ignore_me [eval $torture_eval_before_execute]
 195         }
 196
 197
 198         # Sometimes we end up creating identical executables for two
 199         # consecutive sets of different of compiler options.
 200         #
 201         # In such cases we know the result of this test will be identical
 202         # to the result of the last test.
 203         #
 204         # So in cases where the time to load and run/simulate the test
 205         # is relatively high, compare the two binaries and avoid rerunning
 206         # tests if the executables are identical.
 207         #
 208         # Do not do this for native testing since the cost to load/execute
 209         # the test is fairly small and the comparison step actually slows
 210         # the entire process down because it usually does not "hit".
 211         set skip 0
 212         if { ![isnative] && [info exists oldexec] } {
 213             if { [remote_file build cmp $oldexec $execname] == 0 } {
 214                 set skip 1
 215             }
 216         }
 217         if { $skip == 0 } {
 218             set result [objc_load "$execname" "" ""]
 219             set status [lindex $result 0]
 220             set output [lindex $result 1]
 221         }
 222         if { $oldstatus == "pass" } {
 223             remote_file build delete $oldexec
 224         }
 225         $status "$testcase execution, $option"
 226         set oldstatus $status
 227     }
 228     if [info exists status] {
 229         if { $status == "pass" } {
 230             remote_file build delete $execname
 231         }
 232     }
 233 }
 234
 235 #
 236 # search_for -- looks for a string match in a file
 237 #
 238 proc search_for { file pattern } {
 239     set fd [open $file r]
 240     while { [gets $fd cur_line]>=0 } {
 241         if [string match "*$pattern*" $cur_line] then {
 242             close $fd
 243             return 1
 244         }
 245     }
 246     close $fd
 247     return 0
 248 }
 249
 250 #
 251 # objc-torture -- the objc-torture testcase source file processor
 252 #
 253 # This runs compilation only tests (no execute tests).
 254 # SRC is the full pathname of the testcase, or just a file name in which case
 255 # we prepend $srcdir/$subdir.
 256 #
 257 # If the testcase has an associated .x file, we source that to run the
 258 # test instead.  We use .x so that we don't lengthen the existing filename
 259 # to more than 14 chars.
 260 #
 261 proc objc-torture { args } {
 262     global srcdir subdir compiler_conditional_xfail_data
 263
 264     set src [lindex $args 0]
 265     if { [llength $args] > 1 } {
 266         set options [lindex $args 1]
 267     } else {
 268         set options ""
 269     }
 270
 271     # Prepend $srdir/$subdir if missing.
 272     if ![string match "*/*" $src] {
 273         set src "$srcdir/$subdir/$src"
 274     }
 275
 276     # Check for alternate driver.
 277     if [file exists [file rootname $src].x] {
 278         verbose "Using alternate driver [file rootname [file tail $src]].x" 2
 279         set done_p 0
 280         catch "set done_p \[source [file rootname $src].x\]"
 281         if { $done_p } {
 282             return
 283         }
 284     }
 285
 286     # Look for a loop within the source code - if we don't find one,
 287     # don't pass -funroll[-all]-loops.
 288     global torture_with_loops torture_without_loops
 289     if [expr [search_for $src "for*("]+[search_for $src "while*("]] then {
 290         set option_list $torture_with_loops
 291     } else {
 292         set option_list $torture_without_loops
 293     }
 294
 295     # loop through all the options
 296     foreach option $option_list {
 297         # torture_compile_xfail is set by the .x script (if present)
 298         if [info exists torture_compile_xfail] {
 299             setup_xfail $torture_compile_xfail
 300         }
 301
 302         # torture_execute_before_compile is set by the .x script (if present)
 303         if [info exists torture_eval_before_compile] {
 304             set ignore_me [eval $torture_eval_before_compile]
 305         }
 306
 307         objc-torture-compile $src "$option $options"
 308     }
 309 }