main/gcc/testsuite/lib/go-torture.exp

   1 # Copyright (C) 2009-2013 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 # Please email any bugs, comments, and/or additions to this file to
  18 # the author.
  19
  20 # This file was written by Ian Lance Taylor <iant@google.com> based on
  21 # fortran-torture.exp by Steven Bosscher and Rob Savoye.
  22
  23 load_lib target-supports.exp
  24
  25 # The default option list can be overridden by
  26 # TORTURE_OPTIONS="{ { list1 } ... { listN } }"
  27
  28 if ![info exists TORTURE_OPTIONS] {
  29     set TORTURE_OPTIONS [list \
  30         { -O0 } { -O1 } { -O2 } \
  31         { -O2 -fomit-frame-pointer -finline-functions } \
  32         { -O2 -fomit-frame-pointer -finline-functions -funroll-loops } \
  33         { -O2 -fbounds-check } \
  34         { -O3 -g } \
  35         { -Os }]
  36 }
  37
  38
  39 #
  40 # go-torture-compile -- compile a go.go-torture testcase.
  41 #
  42 # SRC is the full pathname of the testcase.
  43 # OPTION is the specific compiler flag we're testing (eg: -O2).
  44 #
  45 proc go-torture-compile { src option } {
  46     global output
  47     global srcdir tmpdir
  48     global host_triplet
  49
  50     set output "$tmpdir/[file tail [file rootname $src]].o"
  51
  52     regsub "(?q)$srcdir/" $src "" testcase
  53
  54     # If we couldn't rip $srcdir out of `src' then just do the best we can.
  55     # The point is to reduce the unnecessary noise in the logs.  Don't strip
  56     # out too much because different testcases with the same name can confuse
  57     # `test-tool'.
  58     if [string match "/*" $testcase] {
  59         set testcase "[file tail [file dirname $src]]/[file tail $src]"
  60     }
  61
  62     verbose "Testing $testcase, $option" 1
  63
  64     # Run the compiler and get results in comp_output.
  65     set options ""
  66     lappend options "additional_flags=-w $option"
  67
  68     set comp_output [go_target_compile "$src" "$output" object $options]
  69
  70     # See if we got something bad.
  71     set fatal_signal "*go*: Internal compiler error: program*got fatal signal"
  72
  73     if [string match "$fatal_signal 6" $comp_output] then {
  74         go_fail $testcase "Got Signal 6, $option"
  75         catch { remote_file build delete $output }
  76         return
  77     }
  78
  79     if [string match "$fatal_signal 11" $comp_output] then {
  80         go_fail $testcase "Got Signal 11, $option"
  81         catch { remote_file build delete $output }
  82         return
  83     }
  84
  85     if [string match "*internal compiler error*" $comp_output] then {
  86         go_fail $testcase "$option (internal compiler error)"
  87         catch { remote_file build delete $output }
  88         return
  89     }
  90
  91     # We shouldn't get these because of -w, but just in case.
  92     if [string match "*go*:*warning:*" $comp_output] then {
  93         warning "$testcase: (with warnings) $option"
  94         send_log "$comp_output\n"
  95         unresolved "$testcase, $option"
  96         catch { remote_file build delete $output }
  97         return
  98     }
  99
 100     # Prune warnings we know are unwanted.
 101     set comp_output [prune_warnings $comp_output]
 102
 103     # Report if the testcase is not supported.
 104     set unsupported_message [go_check_unsupported_p $comp_output]
 105     if { $unsupported_message != "" } {
 106         unsupported "$testcase: $unsupported_message"
 107         catch { remote_file build delete $output }
 108         return
 109     }
 110
 111     # remove any leftover LF/CR to make sure any output is legit
 112     regsub -all -- "\[\r\n\]*" $comp_output "" comp_output
 113
 114     # If any message remains, we fail.
 115     if ![string match "" $comp_output] then {
 116         go_fail $testcase $option
 117         catch { remote_file build delete $output }
 118         return
 119     }
 120
 121     go_pass $testcase $option
 122     catch { remote_file build delete $output }
 123 }
 124
 125
 126 #
 127 # go-torture-execute -- compile and execute a testcase.
 128 #
 129 # SRC is the full pathname of the testcase.
 130 #
 131 # If the testcase has an associated .x file, we source that to run the
 132 # test instead.  We use .x so that we don't lengthen the existing filename
 133 # to more than 14 chars.
 134 #
 135 proc go-torture-execute { src } {
 136     global output
 137     global srcdir tmpdir
 138     global tool
 139     global compiler_conditional_xfail_data
 140     global TORTURE_OPTIONS
 141     global go_compile_args
 142     global go_execute_args
 143
 144     # Check for alternate driver.
 145     set additional_flags ""
 146     if [file exists [file rootname $src].x] {
 147         verbose "Using alternate driver [file rootname [file tail $src]].x" 2
 148         set done_p 0
 149         catch "set done_p \[source [file rootname $src].x\]"
 150         if { $done_p } {
 151             return
 152         }
 153     }
 154
 155     # Setup the options for the testcase run.
 156     set option_list $TORTURE_OPTIONS
 157     set executable $tmpdir/[file tail [file rootname $src].x]
 158     regsub "(?q)$srcdir/" $src "" testcase
 159
 160     if { ! [info exists go_compile_args] } {
 161         set go_compile_args ""
 162     }
 163     if { ! [info exists go_execute_args] } {
 164         set go_execute_args ""
 165     }
 166
 167     # If we couldn't rip $srcdir out of `src' then just do the best we can.
 168     # The point is to reduce the unnecessary noise in the logs.  Don't strip
 169     # out too much because different testcases with the same name can confuse
 170     # `test-tool'.
 171     if [string match "/*" $testcase] {
 172         set testcase "[file tail [file dirname $src]]/[file tail $src]"
 173     }
 174
 175     # Walk the list of options and copmile and run the testcase for all
 176     # options that are not explicitly disabled by the .x script (if present).
 177     foreach option $option_list {
 178
 179         # Torture_{compile,execute}_xfail are set by the .x script.
 180         if [info exists torture_compile_xfail] {
 181             setup_xfail $torture_compile_xfail
 182         }
 183
 184         # Torture_execute_before_{compile,execute} can be set by the .x script.
 185         if [info exists torture_eval_before_compile] {
 186             set ignore_me [eval $torture_eval_before_compile]
 187         }
 188
 189         # FIXME: We should make sure that the modules required by this testcase
 190         # exist.  If not, the testcase should XFAIL.
 191
 192         # Compile the testcase.
 193         catch { remote_file build delete $executable }
 194         verbose "Testing $testcase, $option" 1
 195
 196         set options ""
 197         lappend options "additional_flags=-w $option"
 198         if { $additional_flags != "" } {
 199             lappend options "additional_flags=$additional_flags"
 200         }
 201         if { $go_compile_args != "" } {
 202             lappend options "additional_flags=$go_compile_args"
 203         }
 204         set comp_output [go_target_compile "$src" "$executable" executable $options]
 205
 206         # See if we got something bad.
 207         set fatal_signal "*go*: Internal compiler error: program*got fatal signal"
 208
 209         if [string match "$fatal_signal 6" $comp_output] then {
 210             go_fail $testcase "Got Signal 6, $option"
 211             catch { remote_file build delete $executable }
 212             continue
 213         }
 214
 215         if [string match "$fatal_signal 11" $comp_output] then {
 216             go_fail $testcase "Got Signal 11, $option"
 217             catch { remote_file build delete $executable }
 218             continue
 219         }
 220
 221         if [string match "*internal compiler error*" $comp_output] then {
 222             go_fail $testcase "$option (internal compiler error)"
 223             catch { remote_file build delete $executable }
 224             continue
 225         }
 226
 227         # We shouldn't get these because of -w, but just in case.
 228         if [string match "*go*:*warning:*" $comp_output] then {
 229             warning "$testcase: (with warnings) $option"
 230             send_log "$comp_output\n"
 231             unresolved "$testcase, $option"
 232             catch { remote_file build delete $executable }
 233             continue
 234         }
 235
 236         # Prune warnings we know are unwanted.
 237         set comp_output [prune_warnings $comp_output]
 238
 239         # Report if the testcase is not supported.
 240         set unsupported_message [go_check_unsupported_p $comp_output]
 241         if { $unsupported_message != "" } {
 242             unsupported "$testcase: $unsupported_message"
 243             continue
 244         } elseif ![file exists $executable] {
 245             if ![is3way] {
 246                 fail "$testcase compilation, $option"
 247                 untested "$testcase execution, $option"
 248                 continue
 249             } else {
 250                 # FIXME: since we can't test for the existence of a remote
 251                 # file without short of doing an remote file list, we assume
 252                 # that since we got no output, it must have compiled.
 253                 pass "$testcase compilation, $option"
 254             }
 255         } else {
 256             pass "$testcase compilation, $option"
 257         }
 258
 259         if [info exists torture_execute_xfail] {
 260             setup_xfail $torture_execute_xfail
 261         }
 262
 263         if [info exists torture_eval_before_execute] {
 264             set ignore_me [eval $torture_eval_before_execute]
 265         }
 266
 267         # Run the testcase, and analyse the output.
 268         set result [go_load "$executable" "$go_execute_args" ""]
 269         set status [lindex $result 0]
 270         set output [lindex $result 1]
 271
 272         # In order to cooperate nicely with the master Go testsuite,
 273         # if the output contains the string BUG, we treat the test as
 274         # failing.
 275         if [ string match "*BUG*" $output ] {
 276             set status "fail"
 277         }
 278
 279         if { $status == "pass" } {
 280             catch { remote_file build delete $executable }
 281         }
 282         $status "$testcase execution, $option"
 283     }
 284 }
 285
 286
 287 #
 288 # search_for_re -- looks for a string match in a file
 289 #
 290 proc search_for_re { file pattern } {
 291     set fd [open $file r]
 292     while { [gets $fd cur_line]>=0 } {
 293         set lower [string tolower $cur_line]
 294         if [regexp "$pattern" $lower] then {
 295             close $fd
 296             return 1
 297         }
 298     }
 299     close $fd
 300     return 0
 301 }
 302
 303
 304 #
 305 # go-torture -- the go-torture testcase source file processor
 306 #
 307 # This runs compilation only tests (no execute tests).
 308 #
 309 # SRC is the full pathname of the testcase, or just a file name in which
 310 # case we prepend $srcdir/$subdir.
 311 #
 312 # If the testcase has an associated .x file, we source that to run the
 313 # test instead.  We use .x so that we don't lengthen the existing filename
 314 # to more than 14 chars.
 315 #
 316 proc go-torture { args } {
 317     global srcdir subdir
 318     global compiler_conditional_xfail_data
 319     global TORTURE_OPTIONS
 320
 321     set src [lindex $args 0]
 322     if { [llength $args] > 1 } {
 323         set options [lindex $args 1]
 324     } else {
 325         set options ""
 326     }
 327
 328     # Prepend $srdir/$subdir if missing.
 329     if ![string match "*/*" $src] {
 330         set src "$srcdir/$subdir/$src"
 331     }
 332
 333     # Check for alternate driver.
 334     if [file exists [file rootname $src].x] {
 335         verbose "Using alternate driver [file rootname [file tail $src]].x" 2
 336         set done_p 0
 337         catch "set done_p \[source [file rootname $src].x\]"
 338         if { $done_p } {
 339             return
 340         }
 341     }
 342
 343     # loop through all the options
 344     set option_list $TORTURE_OPTIONS
 345     foreach option $option_list {
 346
 347         # torture_compile_xfail is set by the .x script (if present)
 348         if [info exists torture_compile_xfail] {
 349             setup_xfail $torture_compile_xfail
 350         }
 351
 352         # torture_execute_before_compile is set by the .x script (if present)
 353         if [info exists torture_eval_before_compile] {
 354             set ignore_me [eval $torture_eval_before_compile]
 355         }
 356
 357         go-torture-compile $src "$option $options"
 358     }
 359 }
 360
 361 #
 362 # add-ieee-options -- add options necessary for 100% ieee conformance.
 363 #
 364 proc add-ieee-options { } {
 365     # Ensure that excess precision does not cause problems.
 366     if { [istarget i?86-*-*]
 367          || [istarget m68k-*-*] } then {
 368       uplevel 1 lappend additional_flags "-ffloat-store"
 369     }
 370
 371     # Enable full IEEE compliance mode.
 372     if { [istarget alpha*-*-*]
 373          || [istarget sh*-*-*] } then {
 374       uplevel 1 lappend additional_flags "-mieee"
 375     }
 376 }