fix PR68343: disable fuse-*.c tests for isl 0.14 or earlier

The patch disables all fuse-*.c tests when configuring gcc with isl 0.14 or earlier.

ChangeLog:

	* Makefile.in: Regenerate.
	* Makefile.tpl: Export ISLVER.
	* configure: Regenerate.
	* config/isl.m4: Detect isl-0.15.

gcc/

	* Makefile.in: Set ISLVER in site.exp.

gcc/testsuite/

	* gcc.dg/graphite/graphite.exp: Only run the fuse-*.c tests with isl-0.15.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@232811 138bc75d-0d04-0410-961f-82ee72b054a4

ChangeLog

@@ -1,3 +1,11 @@
+2016-01-25  Aditya Kumar  <[email protected]>
+	    Sebastian Pop  <[email protected]>
+
+	* Makefile.in: Regenerate.
+	* Makefile.tpl: Export ISLVER.
+	* configure: Regenerate.
+	* config/isl.m4: Detect isl-0.15.
+
 2016-01-24  Mikhail Maltsev  <[email protected]>
 
 	PR bootstrap/69329

Makefile.in

@@ -222,6 +222,7 @@ HOST_EXPORTS = \
 	GMPINC="$(HOST_GMPINC)"; export GMPINC; \
 	ISLLIBS="$(HOST_ISLLIBS)"; export ISLLIBS; \
 	ISLINC="$(HOST_ISLINC)"; export ISLINC; \
+	ISLVER="$(HOST_ISLVER)"; export ISLVER; \
 	LIBELFLIBS="$(HOST_LIBELFLIBS)"; export LIBELFLIBS; \
 	LIBELFINC="$(HOST_LIBELFINC)"; export LIBELFINC; \
 	XGCC_FLAGS_FOR_TARGET="$(XGCC_FLAGS_FOR_TARGET)"; export XGCC_FLAGS_FOR_TARGET; \
@@ -315,6 +316,7 @@ HOST_GMPINC = @gmpinc@
 # Where to find isl
 HOST_ISLLIBS = @isllibs@
 HOST_ISLINC = @islinc@
+HOST_ISLVER = @islver@
 
 # Where to find libelf
 HOST_LIBELFLIBS = @libelflibs@

Makefile.tpl

@@ -225,6 +225,7 @@ HOST_EXPORTS = \
 	GMPINC="$(HOST_GMPINC)"; export GMPINC; \
 	ISLLIBS="$(HOST_ISLLIBS)"; export ISLLIBS; \
 	ISLINC="$(HOST_ISLINC)"; export ISLINC; \
+	ISLVER="$(HOST_ISLVER)"; export ISLVER; \
 	LIBELFLIBS="$(HOST_LIBELFLIBS)"; export LIBELFLIBS; \
 	LIBELFINC="$(HOST_LIBELFINC)"; export LIBELFINC; \
 	XGCC_FLAGS_FOR_TARGET="$(XGCC_FLAGS_FOR_TARGET)"; export XGCC_FLAGS_FOR_TARGET; \
@@ -318,6 +319,7 @@ HOST_GMPINC = @gmpinc@
 # Where to find isl
 HOST_ISLLIBS = @isllibs@
 HOST_ISLINC = @islinc@
+HOST_ISLVER = @islver@
 
 # Where to find libelf
 HOST_LIBELFLIBS = @libelflibs@

config/isl.m4

@@ -117,6 +117,18 @@ AC_DEFUN([ISL_CHECK_VERSION],
       AC_MSG_RESULT([recommended isl version is 0.15, minimum required isl version 0.14 is deprecated])
     fi
 
+    AC_MSG_CHECKING([for isl-0.15])
+    AC_TRY_LINK([#include <isl/schedule.h>],
+                [isl_options_set_schedule_serialize_sccs (NULL, 0);],
+                [ac_has_isl_options_set_schedule_serialize_sccs=yes],
+                [ac_has_isl_options_set_schedule_serialize_sccs=no])
+    AC_MSG_RESULT($ac_has_isl_options_set_schedule_serialize_sccs)
+
+    if test x"$ac_has_isl_options_set_schedule_serialize_sccs" = x"yes"; then
+      islver="0.15"
+      AC_SUBST([islver])
+    fi
+
     CFLAGS=$_isl_saved_CFLAGS
     LDFLAGS=$_isl_saved_LDFLAGS
     LIBS=$_isl_saved_LIBS

configure

@@ -650,6 +650,7 @@ extra_linker_plugin_flags
 extra_linker_plugin_configure_flags
 islinc
 isllibs
+islver
 poststage1_ldflags
 poststage1_libs
 stage1_ldflags
@@ -6048,6 +6049,34 @@ $as_echo "$gcc_cv_isl" >&6; }
 $as_echo "recommended isl version is 0.15, minimum required isl version 0.14 is deprecated" >&6; }
     fi
 
+    { $as_echo "$as_me:${as_lineno-$LINENO}: checking for isl-0.15" >&5
+$as_echo_n "checking for isl-0.15... " >&6; }
+    cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+#include <isl/schedule.h>
+int
+main ()
+{
+isl_options_set_schedule_serialize_sccs (NULL, 0);
+  ;
+  return 0;
+}
+_ACEOF
+if ac_fn_c_try_link "$LINENO"; then :
+  ac_has_isl_options_set_schedule_serialize_sccs=yes
+else
+  ac_has_isl_options_set_schedule_serialize_sccs=no
+fi
+rm -f core conftest.err conftest.$ac_objext \
+    conftest$ac_exeext conftest.$ac_ext
+    { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_has_isl_options_set_schedule_serialize_sccs" >&5
+$as_echo "$ac_has_isl_options_set_schedule_serialize_sccs" >&6; }
+
+    if test x"$ac_has_isl_options_set_schedule_serialize_sccs" = x"yes"; then
+      islver="0.15"
+
+    fi
+
     CFLAGS=$_isl_saved_CFLAGS
     LDFLAGS=$_isl_saved_LDFLAGS
     LIBS=$_isl_saved_LIBS

gcc/ChangeLog

@@ -1,3 +1,8 @@
+2016-01-25  Aditya Kumar  <[email protected]>
+	    Sebastian Pop  <[email protected]>
+
+	* Makefile.in: Set ISLVER in site.exp.
+
 2016-01-25  Jakub Jelinek  <[email protected]>
 
 	* omp-low.c (lower_omp_target) <case USE_DEVICE_PTR>: Set

gcc/Makefile.in

@@ -3698,6 +3698,7 @@ site.exp: ./config.status Makefile
 	  echo "set PLUGINCFLAGS \"$(PLUGINCFLAGS)\"" >> ./site.tmp; \
 	  echo "set GMPINC \"$(GMPINC)\"" >> ./site.tmp; \
 	fi
+	@echo "set ISLVER \"$(ISLVER)\"" >> ./site.tmp
 # If newlib has been configured, we need to pass -B to gcc so it can find
 # newlib's crt0.o if it exists.  This will cause a "path prefix not used"
 # message if it doesn't, but the testsuite is supposed to ignore the message -

gcc/testsuite/ChangeLog

@@ -1,3 +1,9 @@
+2016-01-25  Aditya Kumar  <[email protected]>
+	    Sebastian Pop  <[email protected]>
+
+	* gcc.dg/graphite/graphite.exp: Only run the fuse-*.c tests with
+	isl-0.15.
+
 2016-01-25  Aditya Kumar  <[email protected]>
 	    Sebastian Pop  <[email protected]>
 

gcc/testsuite/gcc.dg/graphite/fuse-2.c

@@ -28,9 +28,9 @@ main (void)
       B[i] = i + 2;
       C[i] = i + 1;
     }
-  for(int i=0; i<MAX; i++)
+  for(i=0; i<MAX; i++)
     A[i] += B[i];
-  for(int i=0; i<MAX; i++)
+  for(i=0; i<MAX; i++)
     A[i] += C[i];
 
   for (i = 0; i < MAX; i++)

gcc/testsuite/gcc.dg/graphite/graphite.exp

@@ -44,10 +44,10 @@ set run_id_files      [lsort [glob -nocomplain $srcdir/$subdir/run-id-*.c ] ]
 set opt_files         [lsort [glob -nocomplain $srcdir/$subdir/interchange-*.c \
 					       $srcdir/$subdir/uns-interchange-*.c \
 					       $srcdir/$subdir/isl-ast-gen-*.c \
-					       $srcdir/$subdir/fuse-*.c \
 					       $srcdir/$subdir/block-*.c \
 					       $srcdir/$subdir/uns-block-*.c ] ]
 set vect_files        [lsort [glob -nocomplain $srcdir/$subdir/vect-*.c ] ]
+set fuse_files        [lsort [glob -nocomplain $srcdir/$subdir/fuse-*.c ] ]
 
 # Tests to be compiled.
 set dg-do-what-default compile
@@ -59,6 +59,11 @@ set dg-do-what-default run
 dg-runtest $run_id_files      "" "-O2 -fgraphite-identity"
 dg-runtest $opt_files         "" "-O2 -ffast-math -floop-nest-optimize -fdump-tree-graphite-all"
 
+global ISLVER
+if { $ISLVER == "0.15" } {
+    dg-runtest $fuse_files         "" "-O2 -ffast-math -floop-nest-optimize -fdump-tree-graphite-all"
+}
+
 # Vectorizer tests, to be run or compiled, depending on target capabilities.
 global DEFAULT_VECTCFLAGS
 set DEFAULT_VECTCFLAGS "-O2 -fgraphite-identity -ftree-vectorize -fno-vect-cost-model -fdump-tree-vect-details -ffast-math"
@@ -74,6 +79,7 @@ foreach f $id_files          {lremove wait_to_run_files $f}
 foreach f $run_id_files      {lremove wait_to_run_files $f}
 foreach f $opt_files         {lremove wait_to_run_files $f}
 foreach f $vect_files        {lremove wait_to_run_files $f}
+foreach f $fuse_files        {lremove wait_to_run_files $f}
 dg-runtest $wait_to_run_files "" "-ansi -pedantic-errors"
 
 # Clean up.