[testsuite] Add scan-offload-rtl-dump

Add scan-offload-rtl-dump, similar to scan-offload-tree-dump.

Build and reg-tested on x86_64 with nvptx accelerator.

2018-12-19  Tom de Vries  <tom@codesourcery.com>

	* lib/scanoffloadrtl.exp: New file.
	* gcc.dg-selftests/dg-final.exp (dg_final_directive_check_num_args): Add
	offload-rtl.

	* doc/sourcebuild.texi (Commands for use in dg-final, Scan optimization
	dump files): Add offload-rtl.

From-SVN: r267266

gcc/ChangeLog

@@ -1,3 +1,8 @@
+2018-12-19  Tom de Vries  <tom@codesourcery.com>
+
+	* doc/sourcebuild.texi (Commands for use in dg-final, Scan optimization
+	dump files): Add offload-rtl.
+
 2018-12-19  Segher Boessenkool  <segher@kernel.crashing.org>
 
 	PR target/88213

gcc/doc/sourcebuild.texi

@@ -2644,7 +2644,8 @@ assembly output.
 @subsubsection Scan optimization dump files
 
 These commands are available for @var{kind} of @code{tree}, @code{ltrans-tree},
-@code{offload-tree}, @code{rtl}, @code{ipa}, and @code{wpa-ipa}.
+@code{offload-tree}, @code{rtl}, @code{offload-rtl}, @code{ipa}, and
+@code{wpa-ipa}.
 
 @table @code
 @item scan-@var{kind}-dump @var{regex} @var{suffix} [@{ target/xfail @var{selector} @}]

gcc/testsuite/ChangeLog

@@ -1,3 +1,9 @@
+2018-12-19  Tom de Vries  <tom@codesourcery.com>
+
+	* lib/scanoffloadrtl.exp: New file.
+	* gcc.dg-selftests/dg-final.exp (dg_final_directive_check_num_args): Add
+	offload-rtl.
+
 2018-12-19  Richard Biener  <rguenther@suse.de>
 
 	PR tree-optimization/88533

gcc/testsuite/gcc.dg-selftests/dg-final.exp

@@ -25,6 +25,7 @@ load_lib "scanasm.exp"
 load_lib "scanwpaipa.exp"
 load_lib "scanltranstree.exp"
 load_lib "scanoffloadtree.exp"
+load_lib "scanoffloadrtl.exp"
 load_lib "gcc-dg.exp"
 
 proc verify_call_1 { args } {
@@ -82,7 +83,8 @@ proc dg_final_directive_check_num_args {} {
 	verify_call $proc_name $too_few "too few arguments"
     }
 
-    foreach kind [list "tree" "rtl" "ipa" "ltrans-tree" "wpa-ipa" "offload-tree"] {
+    foreach kind [list "tree" "rtl" "ipa" "ltrans-tree" "wpa-ipa" \
+		      "offload-tree" "offload-rtl"] {
 	verify_args scan-$kind-dump 2 3
 	verify_args scan-$kind-dump-times 3 4
 	verify_args scan-$kind-dump-not 2 3

gcc/testsuite/lib/scanoffloadrtl.exp

@@ -0,0 +1,147 @@
+#   Copyright (C) 2018 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/>.
+
+# Various utilities for scanning offloading rtl dump output, used by
+# libgomp.exp.
+
+load_lib scandump.exp
+
+# Utility for scanning compiler result, invoked via dg-final.
+# Call pass if pattern is present, otherwise fail.
+#
+# Argument 0 is the regexp to match
+# Argument 1 is the name of the dumped rtl pass
+# Argument 2 handles expected failures and the like
+proc scan-offload-rtl-dump { args } {
+
+    if { [llength $args] < 2 } {
+	error "scan-offload-rtl-dump: too few arguments"
+	return
+    }
+    if { [llength $args] > 3 } {
+	error "scan-offload-rtl-dump: too many arguments"
+	return
+    }
+    if { [llength $args] >= 3 } {
+	scan-dump "offload-rtl" [lindex $args 0] \
+		  "\[0-9\]\[0-9\]\[0-9]r.[lindex $args 1]" ".o" \
+		  [lindex $args 2]
+    } else {
+	scan-dump "offload-rtl" [lindex $args 0] \
+		  "\[0-9\]\[0-9\]\[0-9]r.[lindex $args 1]" ".o"
+    }
+}
+
+# Call pass if pattern is present given number of times, otherwise fail.
+# Argument 0 is the regexp to match
+# Argument 1 is number of times the regexp must be found
+# Argument 2 is the name of the dumped rtl pass
+# Argument 3 handles expected failures and the like
+proc scan-offload-rtl-dump-times { args } {
+
+    if { [llength $args] < 3 } {
+	error "scan-offload-rtl-dump-times: too few arguments"
+	return
+    }
+    if { [llength $args] > 4 } {
+	error "scan-offload-rtl-dump-times: too many arguments"
+	return
+    }
+    if { [llength $args] >= 4 } {
+	scan-dump-times "offload-rtl" [lindex $args 0] [lindex $args 1] \
+			"\[0-9\]\[0-9\]\[0-9]r.[lindex $args 2]" ".o" \
+			[lindex $args 3]
+    } else {
+	scan-dump-times "offload-rtl" [lindex $args 0] [lindex $args 1] \
+			"\[0-9\]\[0-9\]\[0-9]r.[lindex $args 2]" ".o"
+    }
+}
+
+# Call pass if pattern is not present, otherwise fail.
+#
+# Argument 0 is the regexp to match
+# Argument 1 is the name of the dumped rtl pass
+# Argument 2 handles expected failures and the like
+proc scan-offload-rtl-dump-not { args } {
+
+    if { [llength $args] < 2 } {
+	error "scan-offload-rtl-dump-not: too few arguments"
+	return
+    }
+    if { [llength $args] > 3 } {
+	error "scan-offload-rtl-dump-not: too many arguments"
+	return
+    }
+    if { [llength $args] >= 3 } {
+	scan-dump-not "offload-rtl" [lindex $args 0] \
+		      "\[0-9\]\[0-9\]\[0-9]r.[lindex $args 1]" ".o" \
+		      [lindex $args 2]
+    } else {
+	scan-dump-not "offload-rtl" [lindex $args 0] \
+		      "\[0-9\]\[0-9\]\[0-9]r.[lindex $args 1]" ".o"
+    }
+}
+
+# Utility for scanning demangled compiler result, invoked via dg-final.
+# Call pass if pattern is present, otherwise fail.
+#
+# Argument 0 is the regexp to match
+# Argument 1 is the name of the dumped rtl pass
+# Argument 2 handles expected failures and the like
+proc scan-offload-rtl-dump-dem { args } {
+
+    if { [llength $args] < 2 } {
+	error "scan-offload-rtl-dump-dem: too few arguments"
+	return
+    }
+    if { [llength $args] > 3 } {
+	error "scan-offload-rtl-dump-dem: too many arguments"
+	return
+    }
+    if { [llength $args] >= 3 } {
+	scan-dump-dem "offload-rtl" [lindex $args 0] \
+		      "\[0-9\]\[0-9\]\[0-9]r.[lindex $args 1]" ".o" \
+		      [lindex $args 2]
+    } else {
+	scan-dump-dem "offload-rtl" [lindex $args 0] \
+		      "\[0-9\]\[0-9\]\[0-9]r.[lindex $args 1]" ".o"
+    }
+}
+
+# Call pass if demangled pattern is not present, otherwise fail.
+#
+# Argument 0 is the regexp to match
+# Argument 1 is the name of the dumped rtl pass
+# Argument 2 handles expected failures and the like
+proc scan-offload-rtl-dump-dem-not { args } {
+
+    if { [llength $args] < 2 } {
+	error "scan-offload-rtl-dump-dem-not: too few arguments"
+	return
+    }
+    if { [llength $args] > 3 } {
+	error "scan-offload-rtl-dump-dem-not: too many arguments"
+	return
+    }
+    if { [llength $args] >= 3 } {
+	scan-dump-dem-not "offload-rtl" [lindex $args 0] \
+			  "\[0-9\]\[0-9\]\[0-9]r.[lindex $args 1]" ".o" \
+			  [lindex $args 2]
+    } else {
+	scan-dump-dem-not "offload-rtl" [lindex $args 0] \
+			  "\[0-9\]\[0-9\]\[0-9]r.[lindex $args 1]" ".o"
+    }
+}