gcc/testsuite/lib/go-torture.exp

   1 # Copyright (C) 2009-2018 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
  40
  41 #
  42 # go-torture-compile -- compile a go.go-torture testcase.
  43 #
  44 # SRC is the full pathname of the testcase.
  45 # OPTION is the specific compiler flag we're testing (eg: -O2).
  46 #
  47 proc go-torture-compile { src option } {
  48     global output
  49     global srcdir tmpdir
  50     global host_triplet
  51
  52     set output "$tmpdir/[file tail [file rootname $src]].o"
  53
  54     regsub "(?q)$srcdir/" $src "" testcase
  55
  56     # If we couldn't rip $srcdir out of `src' then just do the best we can.
  57     # The point is to reduce the unnecessary noise in the logs.  Don't strip
  58     # out too much because different testcases with the same name can confuse
  59     # `test-tool'.
  60     if [string match "/*" $testcase] {
  61         set testcase "[file tail [file dirname $src]]/[file tail $src]"
  62     }
  63
  64     verbose "Testing $testcase, $option" 1
  65
  66     # Run the compiler and get results in comp_output.
  67     set options ""
  68     lappend options "additional_flags=-w $option"
  69
  70     set comp_output [go_target_compile "$src" "$output" object $options]
  71
  72     # See if we got something bad.
  73     set fatal_signal "*go*: Internal compiler error: program*got fatal signal"
  74
  75     if [string match "$fatal_signal 6" $comp_output] then {
  76         go_fail $testcase "Got Signal 6, $option"
  77         catch { remote_file build delete $output }
  78         return
  79     }
  80
  81     if [string match "$fatal_signal 11" $comp_output] then {
  82         go_fail $testcase "Got Signal 11, $option"
  83         catch { remote_file build delete $output }
  84         return
  85     }
  86
  87     if [string match "*internal compiler error*" $comp_output] then {
  88         go_fail $testcase "$option (internal compiler error)"
  89         catch { remote_file build delete $output }
  90         return
  91     }
  92
  93     # We shouldn't get these because of -w, but just in case.
  94     if [string match "*go*:*warning:*" $comp_output] then {
  95         warning "$testcase: (with warnings) $option"
  96         send_log "$comp_output\n"
  97         unresolved "$testcase, $option"
  98         catch { remote_file build delete $output }
  99         return
 100     }
 101
 102     # Prune warnings we know are unwanted.
 103     set comp_output [prune_warnings $comp_output]
 104
 105     # Report if the testcase is not supported.
 106     set unsupported_message [go_check_unsupported_p $comp_output]
 107     if { $unsupported_message != "" } {
 108         unsupported "$testcase: $unsupported_message"
 109         catch { remote_file build delete $output }
 110         return
 111     }
 112
 113     # remove any leftover LF/CR to make sure any output is legit
 114     regsub -all -- "\[\r\n\]*" $comp_output "" comp_output
 115
 116     # If any message remains, we fail.
 117     if ![string match "" $comp_output] then {
 118         go_fail $testcase $option
 119         catch { remote_file build delete $output }
 120         return
 121     }
 122
 123     go_pass $testcase $option
 124     catch { remote_file build delete $output }
 125 }
 126
 127
 128 #
 129 # go-torture-execute -- compile and execute a testcase.
 130 #
 131 # SRC is the full pathname of the testcase.
 132 #
 133 # If the testcase has an associated .x file, we source that to run the
 134 # test instead.  We use .x so that we don't lengthen the existing filename
 135 # to more than 14 chars.
 136 #
 137 proc go-torture-execute { src } {
 138     global output
 139     global srcdir tmpdir
 140     global tool
 141     global compiler_conditional_xfail_data
 142     global TORTURE_OPTIONS
 143     global go_compile_args
 144     global go_execute_args
 145
 146     # Check for alternate driver.
 147     set additional_flags ""
 148     if [file exists [file rootname $src].x] {
 149         verbose "Using alternate driver [file rootname [file tail $src]].x" 2
 150         set done_p 0
 151         catch "set done_p \[source [file rootname $src].x\]"
 152         if { $done_p } {
 153             return
 154         }
 155     }
 156
 157     # Setup the options for the testcase run.
 158     set option_list $TORTURE_OPTIONS
 159     set executable $tmpdir/[file tail [file rootname $src].x]
 160     regsub "(?q)$srcdir/" $src "" testcase
 161
 162     if { ! [info exists go_compile_args] } {
 163         set go_compile_args ""
 164     }
 165     if { ! [info exists go_execute_args] } {
 166         set go_execute_args ""
 167     }
 168
 169     # If we couldn't rip $srcdir out of `src' then just do the best we can.
 170     # The point is to reduce the unnecessary noise in the logs.  Don't strip
 171     # out too much because different testcases with the same name can confuse
 172     # `test-tool'.
 173     if [string match "/*" $testcase] {
 174         set testcase "[file tail [file dirname $src]]/[file tail $src]"
 175     }
 176
 177     # Walk the list of options and copmile and run the testcase for all
 178     # options that are not explicitly disabled by the .x script (if present).
 179     foreach option $option_list {
 180
 181         # Torture_{compile,execute}_xfail are set by the .x script.
 182         if [info exists torture_compile_xfail] {
 183             setup_xfail $torture_compile_xfail
 184         }
 185
 186         # Torture_execute_before_{compile,execute} can be set by the .x script.
 187         if [info exists torture_eval_before_compile] {
 188             set ignore_me [eval $torture_eval_before_compile]
 189         }
 190
 191         # FIXME: We should make sure that the modules required by this testcase
 192         # exist.  If not, the testcase should XFAIL.
 193
 194         # Compile the testcase.
 195         catch { remote_file build delete $executable }
 196         verbose "Testing $testcase, $option" 1
 197
 198         set options ""
 199         lappend options "additional_flags=-w $option"
 200         if { $additional_flags != "" } {
 201             lappend options "additional_flags=$additional_flags"
 202         }
 203         if { $go_compile_args != "" } {
 204             lappend options "additional_flags=$go_compile_args"
 205         }
 206         set comp_output [go_target_compile "$src" "$executable" executable $options]
 207
 208         # See if we got something bad.
 209         set fatal_signal "*go*: Internal compiler error: program*got fatal signal"
 210
 211         if [string match "$fatal_signal 6" $comp_output] then {
 212             go_fail $testcase "Got Signal 6, $option"
 213             catch { remote_file build delete $executable }
 214             continue
 215         }
 216
 217         if [string match "$fatal_signal 11" $comp_output] then {
 218             go_fail $testcase "Got Signal 11, $option"
 219             catch { remote_file build delete $executable }
 220             continue
 221         }
 222
 223         if [string match "*internal compiler error*" $comp_output] then {
 224             go_fail $testcase "$option (internal compiler error)"
 225             catch { remote_file build delete $executable }
 226             continue
 227         }
 228
 229         # We shouldn't get these because of -w, but just in case.
 230         if [string match "*go*:*warning:*" $comp_output] then {
 231             warning "$testcase: (with warnings) $option"
 232             send_log "$comp_output\n"
 233             unresolved "$testcase, $option"
 234             catch { remote_file build delete $executable }
 235             continue
 236         }
 237
 238         # Prune warnings we know are unwanted.
 239         set comp_output [prune_warnings $comp_output]
 240
 241         # Report if the testcase is not supported.
 242         set unsupported_message [go_check_unsupported_p $comp_output]
 243         if { $unsupported_message != "" } {
 244             unsupported "$testcase: $unsupported_message"
 245             continue
 246         } elseif ![file exists $executable] {
 247             if ![is3way] {
 248                 fail "$testcase compilation, $option"
 249                 untested "$testcase execution, $option"
 250                 continue
 251             } else {
 252                 # FIXME: since we can't test for the existence of a remote
 253                 # file without short of doing an remote file list, we assume
 254                 # that since we got no output, it must have compiled.
 255                 pass "$testcase compilation, $option"
 256             }
 257         } else {
 258             pass "$testcase compilation, $option"
 259         }
 260
 261         if [info exists torture_execute_xfail] {
 262             setup_xfail $torture_execute_xfail
 263         }
 264
 265         if [info exists torture_eval_before_execute] {
 266             set ignore_me [eval $torture_eval_before_execute]
 267         }
 268
 269         # Run the testcase, and analyse the output.
 270         set result [go_load "$executable" "$go_execute_args" ""]
 271         set status [lindex $result 0]
 272         set output [lindex $result 1]
 273
 274         # In order to cooperate nicely with the master Go testsuite,
 275         # if the output contains the string BUG, we treat the test as
 276         # failing.
 277         if [ string match "*BUG*" $output ] {
 278             set status "fail"
 279         }
 280
 281         if { $status == "pass" } {
 282             catch { remote_file build delete $executable }
 283         }
 284         $status "$testcase execution, $option"
 285     }
 286 }
 287
 288
 289 #
 290 # search_for_re -- looks for a string match in a file
 291 #
 292 proc search_for_re { file pattern } {
 293     set fd [open $file r]
 294     while { [gets $fd cur_line]>=0 } {
 295         set lower [string tolower $cur_line]
 296         if [regexp "$pattern" $lower] then {
 297             close $fd
 298             return 1
 299         }
 300     }
 301     close $fd
 302     return 0
 303 }
 304
 305
 306 #
 307 # go-torture -- the go-torture testcase source file processor
 308 #
 309 # This runs compilation only tests (no execute tests).
 310 #
 311 # SRC is the full pathname of the testcase, or just a file name in which
 312 # case we prepend $srcdir/$subdir.
 313 #
 314 # If the testcase has an associated .x file, we source that to run the
 315 # test instead.  We use .x so that we don't lengthen the existing filename
 316 # to more than 14 chars.
 317 #
 318 proc go-torture { args } {
 319     global srcdir subdir
 320     global compiler_conditional_xfail_data
 321     global TORTURE_OPTIONS
 322
 323     set src [lindex $args 0]
 324     if { [llength $args] > 1 } {
 325         set options [lindex $args 1]
 326     } else {
 327         set options ""
 328     }
 329
 330     # Prepend $srdir/$subdir if missing.
 331     if ![string match "*/*" $src] {
 332         set src "$srcdir/$subdir/$src"
 333     }
 334
 335     # Check for alternate driver.
 336     if [file exists [file rootname $src].x] {
 337         verbose "Using alternate driver [file rootname [file tail $src]].x" 2
 338         set done_p 0
 339         catch "set done_p \[source [file rootname $src].x\]"
 340         if { $done_p } {
 341             return
 342         }
 343     }
 344
 345     # loop through all the options
 346     set option_list $TORTURE_OPTIONS
 347     foreach option $option_list {
 348
 349         # torture_compile_xfail is set by the .x script (if present)
 350         if [info exists torture_compile_xfail] {
 351             setup_xfail $torture_compile_xfail
 352         }
 353
 354         # torture_execute_before_compile is set by the .x script (if present)
 355         if [info exists torture_eval_before_compile] {
 356             set ignore_me [eval $torture_eval_before_compile]
 357         }
 358
 359         go-torture-compile $src "$option $options"
 360     }
 361 }
 362
 363 #
 364 # add-ieee-options -- add options necessary for 100% ieee conformance.
 365 #
 366 proc add-ieee-options { } {
 367     # Ensure that excess precision does not cause problems.
 368     if { [istarget i?86-*-*]
 369          || [istarget m68k-*-*] } then {
 370       uplevel 1 lappend additional_flags "-ffloat-store"
 371     }
 372
 373     # Enable full IEEE compliance mode.
 374     if { [istarget alpha*-*-*]
 375          || [istarget sh*-*-*] } then {
 376       uplevel 1 lappend additional_flags "-mieee"
 377     }
 378 }