[testsuite] Add scan-offload-rtl-dump

[testsuite] Add scan-offload-rtl-dump

[Tom de Vries]

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Hi,

I'm posting this patch for the record.

I wrote it but haven't found a use for it yet. I find it easier to write 
asm scans for nvptx than rtl ones.

Thanks,
- Tom

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[testsuite] Add scan-offload-rtl-dump

2018-03-28  Tom de Vries  <tom@codesourcery.com>

	* lib/scanoffloadrtl.exp: New file.

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

---
 gcc/doc/sourcebuild.texi             |   3 +-
 gcc/testsuite/lib/scanoffloadrtl.exp | 147 +++++++++++++++++++++++++++++++++++
 2 files changed, 149 insertions(+), 1 deletion(-)

diff --git a/gcc/doc/sourcebuild.texi b/gcc/doc/sourcebuild.texi
index 4605a49..d748f8e 100644
--- a/gcc/doc/sourcebuild.texi
+++ b/gcc/doc/sourcebuild.texi
@@ -2589,7 +2589,8 @@ 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} @}]
diff --git a/gcc/testsuite/lib/scanoffloadrtl.exp b/gcc/testsuite/lib/scanoffloadrtl.exp
new file mode 100644
index 0000000..e836f6d
--- /dev/null
+++ b/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"
+    }
+}

Re: [testsuite] Add scan-offload-rtl-dump

[Jeff Law]

On 05/03/2018 08:15 AM, Tom de Vries wrote:
> Hi,
> 
> I'm posting this patch for the record.
> 
> I wrote it but haven't found a use for it yet. I find it easier to write
> asm scans for nvptx than rtl ones.
If you do find a use, then consider this pre-approved.

jeff