gcc/testsuite/lib/go-torture.exp

   1 # Copyright (C) 2009-2022 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 load_lib target-utils.exp
  26
  27 # The default option list can be overridden by
  28 # TORTURE_OPTIONS="{ { list1 } ... { listN } }"
  29
  30 if ![info exists TORTURE_OPTIONS] {
  31     set TORTURE_OPTIONS [list \
  32         { -O0 } { -O1 } { -O2 } \
  33         { -O2 -fomit-frame-pointer -finline-functions } \
  34         { -O2 -fomit-frame-pointer -finline-functions -funroll-loops } \
  35         { -O2 -fbounds-check } \
  36         { -O3 -g } \
  37         { -Os }]
  38
  39     if [check_effective_target_lto] {
  40         set TORTURE_OPTIONS \
  41             [concat $TORTURE_OPTIONS [list {-flto}]]
  42     }
  43 }
  44
  45 #
  46 # go-torture-compile -- compile a go.go-torture testcase.
  47 #
  48 # SRC is the full pathname of the testcase.
  49 # OPTION is the specific compiler flag we're testing (eg: -O2).
  50 #
  51 proc go-torture-compile { src option } {
  52     global output
  53     global srcdir tmpdir
  54     global host_triplet
  55
  56     set output "$tmpdir/[file tail [file rootname $src]].o"
  57
  58     regsub "(?q)$srcdir/" $src "" testcase
  59
  60     # If we couldn't rip $srcdir out of `src' then just do the best we can.
  61     # The point is to reduce the unnecessary noise in the logs.  Don't strip
  62     # out too much because different testcases with the same name can confuse
  63     # `test-tool'.
  64     if [string match "/*" $testcase] {
  65         set testcase "[file tail [file dirname $src]]/[file tail $src]"
  66     }
  67
  68     verbose "Testing $testcase, $option" 1
  69
  70     # Run the compiler and get results in comp_output.
  71     set options ""
  72     lappend options "additional_flags=-w $option"
  73
  74     set comp_output [go_target_compile "$src" "$output" object $options]
  75
  76     # See if we got something bad.
  77     set fatal_signal "*go*: Internal compiler error: program*got fatal signal"
  78
  79     if [string match "$fatal_signal 6" $comp_output] then {
  80         go_fail $testcase "Got Signal 6, $option"
  81         catch { remote_file build delete $output }
  82         return
  83     }
  84
  85     if [string match "$fatal_signal 11" $comp_output] then {
  86         go_fail $testcase "Got Signal 11, $option"
  87         catch { remote_file build delete $output }
  88         return
  89     }
  90
  91     if [regexp -line -- "internal compiler error.*" $comp_output ice] then {
  92         go_fail $testcase "$option ($ice)"
  93         catch { remote_file build delete $output }
  94         return
  95     }
  96
  97     # We shouldn't get these because of -w, but just in case.
  98     if [string match "*go*:*warning:*" $comp_output] then {
  99         warning "$testcase: (with warnings) $option"
 100         send_log "$comp_output\n"
 101         unresolved "$testcase, $option"
 102         catch { remote_file build delete $output }
 103         return
 104     }
 105
 106     # Prune warnings we know are unwanted.
 107     set comp_output [prune_warnings $comp_output]
 108
 109     # Report if the testcase is not supported.
 110     set unsupported_message [go_check_unsupported_p $comp_output]
 111     if { $unsupported_message != "" } {
 112         unsupported "$testcase: $unsupported_message"
 113         catch { remote_file build delete $output }
 114         return
 115     }
 116
 117     # remove any leftover LF/CR to make sure any output is legit
 118     regsub -all -- "\[\r\n\]*" $comp_output "" comp_output
 119
 120     # If any message remains, we fail.
 121     if ![string match "" $comp_output] then {
 122         go_fail $testcase $option
 123         catch { remote_file build delete $output }
 124         return
 125     }
 126
 127     go_pass $testcase $option
 128     catch { remote_file build delete $output }
 129 }
 130
 131
 132 #
 133 # go-torture-execute -- compile and execute a testcase.
 134 #
 135 # SRC is the full pathname of the testcase.
 136 #
 137 # If the testcase has an associated .x file, we source that to run the
 138 # test instead.  We use .x so that we don't lengthen the existing filename
 139 # to more than 14 chars.
 140 #
 141 proc go-torture-execute { src } {
 142     global output
 143     global srcdir tmpdir
 144     global tool
 145     global compiler_conditional_xfail_data
 146     global TORTURE_OPTIONS
 147     global go_compile_args
 148     global go_execute_args
 149
 150     # Check for alternate driver.
 151     set additional_flags ""
 152     if [file exists [file rootname $src].x] {
 153         verbose "Using alternate driver [file rootname [file tail $src]].x" 2
 154         set done_p 0
 155         catch "set done_p \[source [file rootname $src].x\]"
 156         if { $done_p } {
 157             return
 158         }
 159     }
 160
 161     # Setup the options for the testcase run.
 162     set option_list $TORTURE_OPTIONS
 163     set executable $tmpdir/[file tail [file rootname $src].x]
 164     regsub "(?q)$srcdir/" $src "" testcase
 165
 166     if { ! [info exists go_compile_args] } {
 167         set go_compile_args ""
 168     }
 169     if { ! [info exists go_execute_args] } {
 170         set go_execute_args ""
 171     }
 172
 173     # If we couldn't rip $srcdir out of `src' then just do the best we can.
 174     # The point is to reduce the unnecessary noise in the logs.  Don't strip
 175     # out too much because different testcases with the same name can confuse
 176     # `test-tool'.
 177     if [string match "/*" $testcase] {
 178         set testcase "[file tail [file dirname $src]]/[file tail $src]"
 179     }
 180
 181     # Walk the list of options and copmile and run the testcase for all
 182     # options that are not explicitly disabled by the .x script (if present).
 183     foreach option $option_list {
 184
 185         # Torture_{compile,execute}_xfail are set by the .x script.
 186         if [info exists torture_compile_xfail] {
 187             setup_xfail $torture_compile_xfail
 188         }
 189
 190         # Torture_execute_before_{compile,execute} can be set by the .x script.
 191         if [info exists torture_eval_before_compile] {
 192             set ignore_me [eval $torture_eval_before_compile]
 193         }
 194
 195         # FIXME: We should make sure that the modules required by this testcase
 196         # exist.  If not, the testcase should XFAIL.
 197
 198         # Compile the testcase.
 199         catch { remote_file build delete $executable }
 200         verbose "Testing $testcase, $option" 1
 201
 202         set options ""
 203         lappend options "additional_flags=-w $option"
 204         if { $additional_flags != "" } {
 205             lappend options "additional_flags=$additional_flags"
 206         }
 207         if { $go_compile_args != "" } {
 208             lappend options "additional_flags=$go_compile_args"
 209         }
 210         set comp_output [go_target_compile "$src" "$executable" executable $options]
 211
 212         # See if we got something bad.
 213         set fatal_signal "*go*: Internal compiler error: program*got fatal signal"
 214
 215         if [string match "$fatal_signal 6" $comp_output] then {
 216             go_fail $testcase "Got Signal 6, $option"
 217             catch { remote_file build delete $executable }
 218             continue
 219         }
 220
 221         if [string match "$fatal_signal 11" $comp_output] then {
 222             go_fail $testcase "Got Signal 11, $option"
 223             catch { remote_file build delete $executable }
 224             continue
 225         }
 226
 227         if [regexp -line -- "internal compiler error.*" $comp_output ice] then {
 228             go_fail $testcase "$option ($ice)"
 229             catch { remote_file build delete $executable }
 230             continue
 231         }
 232
 233         # We shouldn't get these because of -w, but just in case.
 234         if [string match "*go*:*warning:*" $comp_output] then {
 235             warning "$testcase: (with warnings) $option"
 236             send_log "$comp_output\n"
 237             unresolved "$testcase, $option"
 238             catch { remote_file build delete $executable }
 239             continue
 240         }
 241
 242         # Prune warnings we know are unwanted.
 243         set comp_output [prune_warnings $comp_output]
 244
 245         # Report if the testcase is not supported.
 246         set unsupported_message [go_check_unsupported_p $comp_output]
 247         if { $unsupported_message != "" } {
 248             unsupported "$testcase: $unsupported_message"
 249             continue
 250         } elseif ![file exists $executable] {
 251             if ![is3way] {
 252                 fail "$testcase compilation, $option"
 253                 untested "$testcase execution, $option"
 254                 continue
 255             } else {
 256                 # FIXME: since we can't test for the existence of a remote
 257                 # file without short of doing an remote file list, we assume
 258                 # that since we got no output, it must have compiled.
 259                 pass "$testcase compilation, $option"
 260             }
 261         } else {
 262             pass "$testcase compilation, $option"
 263         }
 264
 265         if [info exists torture_execute_xfail] {
 266             setup_xfail $torture_execute_xfail
 267         }
 268
 269         if [info exists torture_eval_before_execute] {
 270             set ignore_me [eval $torture_eval_before_execute]
 271         }
 272
 273         # Run the testcase, and analyse the output.
 274         set result [go_load "$executable" "$go_execute_args" ""]
 275         set status [lindex $result 0]
 276         set output [lindex $result 1]
 277
 278         # In order to cooperate nicely with the master Go testsuite,
 279         # if the output contains the string BUG, we treat the test as
 280         # failing.
 281         if [ string match "*BUG*" $output ] {
 282             set status "fail"
 283         }
 284
 285         if { $status == "pass" } {
 286             catch { remote_file build delete $executable }
 287         }
 288         $status "$testcase execution, $option"
 289     }
 290 }
 291
 292
 293 #
 294 # search_for_re -- looks for a string match in a file
 295 #
 296 proc search_for_re { file pattern } {
 297     set fd [open $file r]
 298     while { [gets $fd cur_line]>=0 } {
 299         set lower [string tolower $cur_line]
 300         if [regexp "$pattern" $lower] then {
 301             close $fd
 302             return 1
 303         }
 304     }
 305     close $fd
 306     return 0
 307 }
 308
 309
 310 #
 311 # go-torture -- the go-torture testcase source file processor
 312 #
 313 # This runs compilation only tests (no execute tests).
 314 #
 315 # SRC is the full pathname of the testcase, or just a file name in which
 316 # case we prepend $srcdir/$subdir.
 317 #
 318 # If the testcase has an associated .x file, we source that to run the
 319 # test instead.  We use .x so that we don't lengthen the existing filename
 320 # to more than 14 chars.
 321 #
 322 proc go-torture { args } {
 323     global srcdir subdir
 324     global compiler_conditional_xfail_data
 325     global TORTURE_OPTIONS
 326
 327     set src [lindex $args 0]
 328     if { [llength $args] > 1 } {
 329         set options [lindex $args 1]
 330     } else {
 331         set options ""
 332     }
 333
 334     # Prepend $srdir/$subdir if missing.
 335     if ![string match "*/*" $src] {
 336         set src "$srcdir/$subdir/$src"
 337     }
 338
 339     # Check for alternate driver.
 340     if [file exists [file rootname $src].x] {
 341         verbose "Using alternate driver [file rootname [file tail $src]].x" 2
 342         set done_p 0
 343         catch "set done_p \[source [file rootname $src].x\]"
 344         if { $done_p } {
 345             return
 346         }
 347     }
 348
 349     # loop through all the options
 350     set option_list $TORTURE_OPTIONS
 351     foreach option $option_list {
 352
 353         # torture_compile_xfail is set by the .x script (if present)
 354         if [info exists torture_compile_xfail] {
 355             setup_xfail $torture_compile_xfail
 356         }
 357
 358         # torture_execute_before_compile is set by the .x script (if present)
 359         if [info exists torture_eval_before_compile] {
 360             set ignore_me [eval $torture_eval_before_compile]
 361         }
 362
 363         go-torture-compile $src "$option $options"
 364     }
 365 }
 366
 367 #
 368 # add-ieee-options -- add options necessary for 100% ieee conformance.
 369 #
 370 proc add-ieee-options { } {
 371     # Ensure that excess precision does not cause problems.
 372     if { [istarget i?86-*-*]
 373          || [istarget m68k-*-*] } then {
 374       uplevel 1 lappend additional_flags "-ffloat-store"
 375     }
 376
 377     # Enable full IEEE compliance mode.
 378     if { [istarget alpha*-*-*]
 379          || [istarget sh*-*-*] } then {
 380       uplevel 1 lappend additional_flags "-mieee"
 381     }
 382 }