gcc/testsuite/lib/objc-torture.exp

   1 # Copyright (C) 1992-1998, 1999, 2000 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 2 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 this program; if not, write to the Free Software
  15 # Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
  16
  17 # This file was written by Rob Savoye. (rob@cygnus.com)
  18
  19 load_lib file-format.exp
  20
  21 # The default option list can be overridden by
  22 # TORTURE_OPTIONS="{ { list1 } ... { listN } }"
  23
  24 if ![info exists TORTURE_OPTIONS] {
  25     # It is theoretically beneficial to group all of the O2/O3 options together,
  26     # as in many cases the compiler will generate identical executables for
  27     # all of them--and the objc-torture testsuite will skip testing identical
  28     # executables multiple times.
  29     # Also note that -finline-functions is explicitly included in one of the
  30     # items below, even though -O3 is also specified, because some ports may
  31     # choose to disable inlining functions by default, even when optimizing.
  32     set TORTURE_OPTIONS [list \
  33         { -O0 } \
  34         { -O1 } \
  35         { -O2 } \
  36         { -O3 -fomit-frame-pointer } \
  37         { -O3 -fomit-frame-pointer -funroll-loops } \
  38         { -O3 -fomit-frame-pointer -funroll-all-loops -finline-functions } \
  39         { -O3 -g } \
  40         { -Os } ]
  41 }
  42
  43
  44 # Split TORTURE_OPTIONS into two choices: one for testcases with loops and
  45 # one for testcases without loops.
  46
  47 set torture_with_loops $TORTURE_OPTIONS
  48 set torture_without_loops ""
  49 foreach option $TORTURE_OPTIONS {
  50     if ![string match "*loop*" $option] {
  51         lappend torture_without_loops $option
  52     }
  53 }
  54
  55 #
  56 # objc-torture-compile -- runs the Tege OBJC-torture test
  57 #
  58 # SRC is the full pathname of the testcase.
  59 # OPTION is the specific compiler flag we're testing (eg: -O2).
  60 #
  61 proc objc-torture-compile { src option } {
  62     global output
  63     global srcdir tmpdir
  64     global host_triplet
  65
  66     set output "$tmpdir/[file tail [file rootname $src]].o"
  67
  68     regsub "^$srcdir/?" $src "" testcase
  69     # If we couldn't rip $srcdir out of `src' then just do the best we can.
  70     # The point is to reduce the unnecessary noise in the logs.  Don't strip
  71     # out too much because different testcases with the same name can confuse
  72     # `test-tool'.
  73     if [string match "/*" $testcase] {
  74         set testcase "[file tail [file dirname $src]]/[file tail $src]"
  75     }
  76
  77     verbose "Testing $testcase, $option" 1
  78
  79     # Run the compiler and analyze the results.
  80     set options ""
  81     lappend options "additional_flags=-w $option"
  82
  83     set comp_output [objc_target_compile "$src" "$output" object $options]
  84     objc_check_compile $testcase $option $output $comp_output
  85     remote_file build delete $output
  86 }
  87
  88 #
  89 # objc-torture-execute -- utility to compile and execute a testcase
  90 #
  91 # SRC is the full pathname of the testcase.
  92 #
  93 # If the testcase has an associated .x file, we source that to run the
  94 # test instead.  We use .x so that we don't lengthen the existing filename
  95 # to more than 14 chars.
  96 #
  97 proc objc-torture-execute { src args } {
  98     global tmpdir tool srcdir output compiler_conditional_xfail_data
  99
 100     if { [llength $args] > 0 } {
 101         set additional_flags [lindex $args 0]
 102     } else {
 103         set additional_flags ""
 104     }
 105     # Check for alternate driver.
 106     if [file exists [file rootname $src].x] {
 107         verbose "Using alternate driver [file rootname [file tail $src]].x" 2
 108         set done_p 0
 109         catch "set done_p \[source [file rootname $src].x\]"
 110         if { $done_p } {
 111             return
 112         }
 113     }
 114
 115     # Look for a loop within the source code - if we don't find one,
 116     # don't pass -funroll[-all]-loops.
 117     global torture_with_loops torture_without_loops
 118     if [expr [search_for $src "for*("]+[search_for $src "while*("]] then {
 119         set option_list $torture_with_loops
 120     } else {
 121         set option_list $torture_without_loops
 122     }
 123
 124     set executable $tmpdir/[file tail [file rootname $src].x]
 125
 126     regsub "^$srcdir/?" $src "" testcase
 127     # If we couldn't rip $srcdir out of `src' then just do the best we can.
 128     # The point is to reduce the unnecessary noise in the logs.  Don't strip
 129     # out too much because different testcases with the same name can confuse
 130     # `test-tool'.
 131     if [string match "/*" $testcase] {
 132         set testcase "[file tail [file dirname $src]]/[file tail $src]"
 133     }
 134
 135     set count 0
 136     set oldstatus "foo"
 137     foreach option $option_list {
 138         if { $count > 0 } {
 139             set oldexec $execname
 140         }
 141         set execname "${executable}${count}"
 142         incr count
 143
 144         # torture_{compile,execute}_xfail are set by the .x script
 145         # (if present)
 146         if [info exists torture_compile_xfail] {
 147             setup_xfail $torture_compile_xfail
 148         }
 149
 150         # torture_execute_before_{compile,execute} can be set by the .x script
 151         # (if present)
 152         if [info exists torture_eval_before_compile] {
 153             set ignore_me [eval $torture_eval_before_compile]
 154         }
 155
 156         remote_file build delete $execname
 157         verbose "Testing $testcase, $option" 1
 158
 159         set options ""
 160         lappend options "additional_flags=-w $option"
 161         if { $additional_flags != "" } {
 162             lappend options "additional_flags=$additional_flags"
 163         }
 164         set comp_output [objc_target_compile "$src" "${execname}" executable $options]
 165
 166         if ![objc_check_compile "$testcase compilation" $option $execname $comp_output] {
 167             unresolved "$testcase execution, $option"
 168             remote_file build delete $execname
 169             continue
 170         }
 171
 172         # See if this source file uses "long long" types, if it does, and
 173         # no_long_long is set, skip execution of the test.
 174         if [target_info exists no_long_long] then {
 175             if [expr [search_for $src "long long"]] then {
 176                 unsupported "$testcase execution, $option"
 177                 continue
 178             }
 179         }
 180
 181         if [info exists torture_execute_xfail] {
 182             setup_xfail $torture_execute_xfail
 183         }
 184
 185         if [info exists torture_eval_before_execute] {
 186             set ignore_me [eval $torture_eval_before_execute]
 187         }
 188
 189
 190         # Sometimes we end up creating identical executables for two
 191         # consecutive sets of different of compiler options.
 192         #
 193         # In such cases we know the result of this test will be identical
 194         # to the result of the last test.
 195         #
 196         # So in cases where the time to load and run/simulate the test
 197         # is relatively high, compare the two binaries and avoid rerunning
 198         # tests if the executables are identical.
 199         #
 200         # Do not do this for native testing since the cost to load/execute
 201         # the test is fairly small and the comparison step actually slows
 202         # the entire process down because it usually does not "hit".
 203         set skip 0
 204         if { ![isnative] && [info exists oldexec] } {
 205             if { [remote_file build cmp $oldexec $execname] == 0 } {
 206                 set skip 1
 207             }
 208         }
 209         if { $skip == 0 } {
 210             set result [objc_load "$execname" "" ""]
 211             set status [lindex $result 0]
 212             set output [lindex $result 1]
 213         }
 214         if { $oldstatus == "pass" } {
 215             remote_file build delete $oldexec
 216         }
 217         $status "$testcase execution, $option"
 218         set oldstatus $status
 219     }
 220     if [info exists status] {
 221         if { $status == "pass" } {
 222             remote_file build delete $execname
 223         }
 224     }
 225 }
 226
 227 #
 228 # search_for -- looks for a string match in a file
 229 #
 230 proc search_for { file pattern } {
 231     set fd [open $file r]
 232     while { [gets $fd cur_line]>=0 } {
 233         if [string match "*$pattern*" $cur_line] then {
 234             close $fd
 235             return 1
 236         }
 237     }
 238     close $fd
 239     return 0
 240 }
 241
 242 #
 243 # objc-torture -- the objc-torture testcase source file processor
 244 #
 245 # This runs compilation only tests (no execute tests).
 246 # SRC is the full pathname of the testcase, or just a file name in which case
 247 # we prepend $srcdir/$subdir.
 248 #
 249 # If the testcase has an associated .x file, we source that to run the
 250 # test instead.  We use .x so that we don't lengthen the existing filename
 251 # to more than 14 chars.
 252 #
 253 proc objc-torture { args } {
 254     global srcdir subdir compiler_conditional_xfail_data
 255
 256     set src [lindex $args 0]
 257     if { [llength $args] > 1 } {
 258         set options [lindex $args 1]
 259     } else {
 260         set options ""
 261     }
 262
 263     # Prepend $srdir/$subdir if missing.
 264     if ![string match "*/*" $src] {
 265         set src "$srcdir/$subdir/$src"
 266     }
 267
 268     # Check for alternate driver.
 269     if [file exists [file rootname $src].x] {
 270         verbose "Using alternate driver [file rootname [file tail $src]].x" 2
 271         set done_p 0
 272         catch "set done_p \[source [file rootname $src].x\]"
 273         if { $done_p } {
 274             return
 275         }
 276     }
 277
 278     # Look for a loop within the source code - if we don't find one,
 279     # don't pass -funroll[-all]-loops.
 280     global torture_with_loops torture_without_loops
 281     if [expr [search_for $src "for*("]+[search_for $src "while*("]] then {
 282         set option_list $torture_with_loops
 283     } else {
 284         set option_list $torture_without_loops
 285     }
 286
 287     # loop through all the options
 288     foreach option $option_list {
 289         # torture_compile_xfail is set by the .x script (if present)
 290         if [info exists torture_compile_xfail] {
 291             setup_xfail $torture_compile_xfail
 292         }
 293
 294         # torture_execute_before_compile is set by the .x script (if present)
 295         if [info exists torture_eval_before_compile] {
 296             set ignore_me [eval $torture_eval_before_compile]
 297         }
 298
 299         objc-torture-compile $src "$option $options"
 300     }
 301 }