Initial checkin of GCC 4.9.0 from trunk (r208799).

Change-Id: I48a3c08bb98542aa215912a75f03c0890e497dba

1 files changed, 392 insertions, 0 deletions

diff --git a/gcc-4.9/gcc/testsuite/lib/objc-torture.exp b/gcc-4.9/gcc/testsuite/lib/objc-torture.exp
new file mode 100644
index 000000000..f60606537
--- /dev/null
+++ b/gcc-4.9/gcc/testsuite/lib/objc-torture.exp
@@ -0,0 +1,392 @@
+# Copyright (C) 1992-2014 Free Software Foundation, Inc.
+
+# This program is free software; you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation; either version 3 of the License, or
+# (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with GCC; see the file COPYING3.  If not see
+# <http://www.gnu.org/licenses/>.
+
+# This file was written by Rob Savoye. (rob@cygnus.com)
+
+load_lib file-format.exp
+load_lib target-supports.exp
+
+# Make sure that the runtime list is re-evaluated for each multilib.
+proc objc-set-runtime-options { dowhat args } {
+    global OBJC_RUNTIME_OPTIONS
+    set rtlist [list "-fgnu-runtime" ]
+    # At present (4.6), the only NeXT runtime target is Darwin.
+    # The previously used approach of testing trivial compiles is not reliable
+    # for determining the absence of the NeXT runtime, since a non-Darwin
+    # installation can have the objc headers present in the same locations 
+    # that Darwin uses.  If NeXT is ported to another target, then it should
+    # be listed here.
+    if [istarget *-*-darwin*] {
+      lappend rtlist "-fnext-runtime" 
+    }
+    if [info exists OBJC_RUNTIME_OPTIONS] {
+      foreach other $OBJC_RUNTIME_OPTIONS {
+	# Don't do tests twice...
+	if { ( $other == "-fnext-runtime"  || $other == "-fgnu-runtime" ) } {
+	  continue
+	}
+	lappend rtlist $other
+      }
+    }
+
+    set OBJC_RUNTIME_OPTIONS ""
+
+    foreach type $rtlist {
+	global srcdir subdir target_triplet tmpdir
+
+	set options "additional_flags=$type"
+	if [info exists args] {
+	    lappend options $args
+	}
+	verbose "options $options"
+	if [info exists dowhat] {
+          switch $dowhat {
+	    "compile" {
+              # We should check that the generated asm is sensible, so do 
+              # the equivalent of -c.
+	      set compile_type "object"
+	      set output_file "trivial.o"
+	      set comp_output [objc_target_compile \
+	        "$srcdir/$subdir/trivial.m" "$output_file" "$compile_type" $options]
+
+	      remote_file build delete $output_file
+	      # If we get any error, then we failed.
+	      if ![string match "" $comp_output] then {
+	        continue;
+	      }
+	    }
+	    "execute" {
+	      set test_obj "trivial.exe"
+	      set comp_output [objc_target_compile \
+	        "$srcdir/$subdir/trivial.m" $test_obj "executable" $options]
+
+	      # If we get any error, then we failed.
+	      if ![string match "" $comp_output] then {
+	        remote_file build delete $test_obj
+	        continue;
+	      }
+	      set result [objc_load "$tmpdir/$test_obj" "" ""]
+	      set status [lindex $result 0]
+	      set output [lindex $result 1]
+	      remote_file build delete $test_obj
+	      if { $status != "pass" } {
+	        verbose -log "trivial execute failed with $status $output"
+	        continue;
+	      }
+	    }
+	    default {
+	      perror "$dowhat: not a valid objc-torture action"
+	      return ""
+	    }
+	  }
+	} else {
+	  set test_obj "trivial.exe"
+	  set comp_output [objc_target_compile \
+	  "$srcdir/$subdir/trivial.m" $test_obj executable $options]
+
+	  # If we get any error, then we failed.
+	  remote_file build delete $test_obj
+	  if ![string match "" $comp_output] then {
+	      continue;
+	  }
+	}
+	lappend OBJC_RUNTIME_OPTIONS $type
+    }
+
+    verbose -log "Using the following runtimes: $OBJC_RUNTIME_OPTIONS"
+}
+
+# The default option list can be overridden by
+# TORTURE_OPTIONS="{ { list1 } ... { listN } }"
+
+if [info exists TORTURE_OPTIONS] {
+    set OBJC_TORTURE_OPTIONS $TORTURE_OPTIONS
+} else {
+    # It is theoretically beneficial to group all of the O2/O3 options together,
+    # as in many cases the compiler will generate identical executables for
+    # all of them--and the objc-torture testsuite will skip testing identical
+    # executables multiple times.
+    # Also note that -finline-functions is explicitly included in one of the
+    # items below, even though -O3 is also specified, because some ports may
+    # choose to disable inlining functions by default, even when optimizing.
+    set OBJC_TORTURE_OPTIONS [list \
+	" -O0 " \
+	" -O1 " \
+	" -O2 " \
+	" -O3 -fomit-frame-pointer " \
+	" -O3 -fomit-frame-pointer -funroll-loops " \
+	" -O3 -fomit-frame-pointer -funroll-all-loops -finline-functions " \
+	" -O3 -g " \
+	" -Os " ]
+}
+
+if [info exists ADDITIONAL_TORTURE_OPTIONS] {
+    set OBJC_TORTURE_OPTIONS \
+	[concat $OBJC_TORTURE_OPTIONS $ADDITIONAL_TORTURE_OPTIONS]
+}
+
+#
+# objc-torture-compile -- runs the Tege OBJC-torture test
+#
+# SRC is the full pathname of the testcase.
+# OPTION is the specific compiler flag we're testing (eg: -O2).
+#
+proc objc-torture-compile { src option } {
+    global output
+    global srcdir tmpdir
+    global host_triplet
+
+    set output "$tmpdir/[file tail [file rootname $src]].o"
+
+    regsub "(?q)$srcdir/" $src "" testcase
+    # If we couldn't rip $srcdir out of `src' then just do the best we can.
+    # The point is to reduce the unnecessary noise in the logs.  Don't strip
+    # out too much because different testcases with the same name can confuse
+    # `test-tool'.
+    if [string match "/*" $testcase] {
+	set testcase "[file tail [file dirname $src]]/[file tail $src]"
+    }
+
+    verbose "Testing $testcase, $option" 1
+
+    # Run the compiler and analyze the results.
+    set options ""
+    lappend options "additional_flags=-w $option"
+
+    set comp_output [objc_target_compile "$src" "$output" object $options]
+    objc_check_compile $testcase $option $output $comp_output
+    remote_file build delete $output
+}
+
+#
+# objc-torture-execute -- utility to compile and execute a testcase
+#
+# SRC is the full pathname of the testcase.
+#
+# If the testcase has an associated .x file, we source that to run the
+# test instead.  We use .x so that we don't lengthen the existing filename
+# to more than 14 chars.
+#
+proc objc-torture-execute { src args } {
+    global tmpdir tool srcdir output compiler_conditional_xfail_data
+
+    if { [llength $args] > 0 } {
+	set additional_flags [lindex $args 0]
+    } else {
+	set additional_flags ""
+    }
+    # Check for alternate driver.
+    if [file exists [file rootname $src].x] {
+	verbose "Using alternate driver [file rootname [file tail $src]].x" 2
+	set done_p 0
+	catch "set done_p \[source [file rootname $src].x\]"
+	if { $done_p } {
+	    return
+	}
+    }
+
+    # Look for a loop within the source code - if we don't find one,
+    # don't pass -funroll[-all]-loops.
+    global torture_with_loops torture_without_loops
+    if [expr [search_for $src "for*("]+[search_for $src "while*("]] then {
+	set option_list $torture_with_loops
+    } else {
+	set option_list $torture_without_loops
+    }
+
+    set executable $tmpdir/[file tail [file rootname $src].x]
+
+    regsub "(?q)$srcdir/" $src "" testcase
+    # If we couldn't rip $srcdir out of `src' then just do the best we can.
+    # The point is to reduce the unnecessary noise in the logs.  Don't strip
+    # out too much because different testcases with the same name can confuse
+    # `test-tool'.
+    if [string match "/*" $testcase] {
+	set testcase "[file tail [file dirname $src]]/[file tail $src]"
+    }
+
+    set count 0
+    set oldstatus "foo"
+    foreach option $option_list {
+	if { $count > 0 } {
+	    if [info exists oldexec] {
+		remote_file build delete $oldexec
+	    }
+	    set oldexec $execname
+	}
+	set execname "${executable}${count}"
+	incr count
+
+	# torture_{compile,execute}_xfail are set by the .x script
+	# (if present)
+	if [info exists torture_compile_xfail] {
+	    setup_xfail $torture_compile_xfail
+	}
+
+	# torture_execute_before_{compile,execute} can be set by the .x script
+	# (if present)
+	if [info exists torture_eval_before_compile] {
+	  set ignore_me [eval $torture_eval_before_compile]
+	}
+
+	remote_file build delete $execname
+	verbose "Testing $testcase, $option" 1
+
+	set options ""
+	lappend options "additional_flags=-w $option"
+	if { $additional_flags != "" } {
+	    lappend options "additional_flags=$additional_flags"
+	}
+	set comp_output [objc_target_compile "$src" "${execname}" executable $options]
+
+	if ![objc_check_compile "$testcase compilation" $option $execname $comp_output] {
+	    unresolved "$testcase execution, $option"
+	    remote_file build delete $execname
+	    continue
+	}
+
+	# See if this source file uses "long long" types, if it does, and
+	# no_long_long is set, skip execution of the test.
+	if [target_info exists no_long_long] then {
+	    if [expr [search_for $src "long long"]] then {
+		unsupported "$testcase execution, $option"
+		remote_file build delete $execname
+		continue
+	    }
+	}
+
+	if [info exists torture_execute_xfail] {
+	    setup_xfail $torture_execute_xfail
+	}
+
+	if [info exists torture_eval_before_execute] {
+	    set ignore_me [eval $torture_eval_before_execute]
+	}
+
+
+	# Sometimes we end up creating identical executables for two
+	# consecutive sets of different of compiler options.
+	#
+	# In such cases we know the result of this test will be identical
+	# to the result of the last test.
+	#
+	# So in cases where the time to load and run/simulate the test
+	# is relatively high, compare the two binaries and avoid rerunning
+	# tests if the executables are identical.
+	#
+	# Do not do this for native testing since the cost to load/execute
+	# the test is fairly small and the comparison step actually slows
+	# the entire process down because it usually does not "hit".
+	set skip 0
+	if { ![isnative] && [info exists oldexec] } {
+	    if { [remote_file build cmp $oldexec $execname] == 0 } {
+		set skip 1
+		set status $oldstatus
+	    }
+	}
+	if { $skip == 0 } {
+	    set result [objc_load "$execname" "" ""]
+	    set status [lindex $result 0]
+	    set output [lindex $result 1]
+	}
+	$status "$testcase execution, $option"
+	set oldstatus $status
+    # for each option
+    } 
+    # tidy up
+    if [info exists execname] {
+	remote_file build delete $execname
+    }
+    if [info exists oldexec] {
+	remote_file build delete $oldexec
+    }
+}
+
+#
+# search_for -- looks for a string match in a file
+#
+proc search_for { file pattern } {
+    set fd [open $file r]
+    while { [gets $fd cur_line]>=0 } {
+	if [string match "*$pattern*" $cur_line] then {
+	    close $fd
+	    return 1
+	}
+    }
+    close $fd
+    return 0
+}
+
+#
+# objc-torture -- the objc-torture testcase source file processor
+#
+# This runs compilation only tests (no execute tests).
+# SRC is the full pathname of the testcase, or just a file name in which case
+# we prepend $srcdir/$subdir.
+#
+# If the testcase has an associated .x file, we source that to run the
+# test instead.  We use .x so that we don't lengthen the existing filename
+# to more than 14 chars.
+#
+proc objc-torture { args } {
+    global srcdir subdir compiler_conditional_xfail_data
+
+    set src [lindex $args 0]
+    if { [llength $args] > 1 } {
+	set options [lindex $args 1]
+    } else {
+	set options ""
+    }
+
+    # Prepend $srdir/$subdir if missing.
+    if ![string match "*/*" $src] {
+	set src "$srcdir/$subdir/$src"
+    }
+
+    # Check for alternate driver.
+    if [file exists [file rootname $src].x] {
+	verbose "Using alternate driver [file rootname [file tail $src]].x" 2
+	set done_p 0
+	catch "set done_p \[source [file rootname $src].x\]"
+	if { $done_p } {
+	    return
+	}
+    }
+
+    # Look for a loop within the source code - if we don't find one,
+    # don't pass -funroll[-all]-loops.
+    global torture_with_loops torture_without_loops
+    if [expr [search_for $src "for*("]+[search_for $src "while*("]] then {
+	    set option_list $torture_with_loops
+    } else {
+	    set option_list $torture_without_loops
+    }
+
+    # loop through all the options
+    foreach option $option_list {
+	# torture_compile_xfail is set by the .x script (if present)
+	if [info exists torture_compile_xfail] {
+	    setup_xfail $torture_compile_xfail
+	}
+
+	# torture_execute_before_compile is set by the .x script (if present)
+	if [info exists torture_eval_before_compile] {
+	    set ignore_me [eval $torture_eval_before_compile]
+	}
+
+	objc-torture-compile $src "$option $options"
+    }
+}