tree-loop-distribution.c: Include tree-vectorizer.h for find_loop_location.

2013-10-02  Richard Biener  <rguenther@suse.de>

	* tree-loop-distribution.c: Include tree-vectorizer.h for
	find_loop_location.
	(enum partition_kind): Remove PKIND_REDUCTION.
	(struct partition_s): Remove has_writes member, add reduction_p
	member.
	(partition_alloc): Adjust.
	(partition_builtin_p): Likewise.
	(partition_has_writes): Remove.
	(partition_reduction_p): New function.
	(partition_merge_into): Likewise.
	(generate_code_for_partition): Commonize builtin partition
	handling tail.
	(rdg_cannot_recompute_vertex_p): Remove.
	(already_processed_vertex_p): Likewise.
	(rdg_flag_vertex): Do not set has_writes.
	(classify_partition): Adjust.
	(rdg_build_partitions): Do not set has_writes, treat all
	partitions as useful.
	(distribute_loop): Record number of library calls generated.
	Adjust.
	(tree_loop_distribution): Report number of loops and library
	calls generated as opt-info.

	* gcc.dg/tree-ssa/ldist-11.c: Adjust.
	* gcc.dg/tree-ssa/ldist-17.c: Likewise.
	* gcc.dg/tree-ssa/ldist-23.c: Likewise.
	* gcc.dg/tree-ssa/ldist-pr45948.c: Likewise.
	* gfortran.dg/ldist-pr45199.f: Likewise.

From-SVN: r203115

gcc/ChangeLog

+2013-10-02  Richard Biener  <rguenther@suse.de>
+
+	* tree-loop-distribution.c: Include tree-vectorizer.h for
+	find_loop_location.
+	(enum partition_kind): Remove PKIND_REDUCTION.
+	(struct partition_s): Remove has_writes member, add reduction_p
+	member.
+	(partition_alloc): Adjust.
+	(partition_builtin_p): Likewise.
+	(partition_has_writes): Remove.
+	(partition_reduction_p): New function.
+	(partition_merge_into): Likewise.
+	(generate_code_for_partition): Commonize builtin partition
+	handling tail.
+	(rdg_cannot_recompute_vertex_p): Remove.
+	(already_processed_vertex_p): Likewise.
+	(rdg_flag_vertex): Do not set has_writes.
+	(classify_partition): Adjust.
+	(rdg_build_partitions): Do not set has_writes, treat all
+	partitions as useful.
+	(distribute_loop): Record number of library calls generated.
+	Adjust.
+	(tree_loop_distribution): Report number of loops and library
+	calls generated as opt-info.
+
 2013-10-02  Andrew MacLeod  <amacleod@redhat.com>
 
 	* tree-flow.h: Include new .h files.  Move prototypes.

gcc/testsuite/ChangeLog

+2013-10-02  Richard Biener  <rguenther@suse.de>
+
+	* gcc.dg/tree-ssa/ldist-11.c: Adjust.
+	* gcc.dg/tree-ssa/ldist-17.c: Likewise.
+	* gcc.dg/tree-ssa/ldist-23.c: Likewise.
+	* gcc.dg/tree-ssa/ldist-pr45948.c: Likewise.
+	* gfortran.dg/ldist-pr45199.f: Likewise.
+
 2013-10-02  Paolo Carlini  <paolo.carlini@oracle.com>
 
 	PR c++/58565

gcc/testsuite/gcc.dg/tree-ssa/ldist-11.c

@@ -28,6 +28,6 @@ void foo (int * __restrict__ ia,
   */
 }
 
-/* { dg-final { scan-tree-dump-times "distributed: split to 2 loops" 1 "ldist" } } */
+/* { dg-final { scan-tree-dump-times "distributed: split to 1 loops and 1 library calls" 1 "ldist" } } */
 /* { dg-final { scan-tree-dump-times "generated memset zero" 1 "ldist" } } */
 /* { dg-final { cleanup-tree-dump "ldist" } } */

gcc/testsuite/gcc.dg/tree-ssa/ldist-17.c

@@ -45,6 +45,6 @@ mad_synth_mute (struct mad_synth *synth)
   return;
 }
 
-/* { dg-final { scan-tree-dump "distributed: split to 4" "ldist" } } */
+/* { dg-final { scan-tree-dump "distributed: split to 0 loops and 4 library calls" "ldist" } } */
 /* { dg-final { scan-tree-dump-times "generated memset zero" 4 "ldist" } } */
 /* { dg-final { cleanup-tree-dump "ldist" } } */

gcc/testsuite/gcc.dg/tree-ssa/ldist-23.c

@@ -29,6 +29,6 @@ int main()
   return 0;
 }
 
-/* { dg-final { scan-tree-dump "split to 2 loops" "ldist" } } */
+/* { dg-final { scan-tree-dump "split to 1 loops and 1 library call" "ldist" } } */
 /* { dg-final { scan-tree-dump "generated memcpy" "ldist" } } */
 /* { dg-final { cleanup-tree-dump "ldist" } } */

gcc/testsuite/gcc.dg/tree-ssa/ldist-pr45948.c

@@ -18,6 +18,6 @@ foo (int i, int n)
 
 /* We should apply loop distribution and generate 2 memset (0).  */
 
-/* { dg-final { scan-tree-dump "distributed: split to 2" "ldist" } } */
+/* { dg-final { scan-tree-dump "distributed: split to 0 loops and 2 library calls" "ldist" } } */
 /* { dg-final { scan-tree-dump-times "generated memset zero" 2 "ldist" } } */
 /* { dg-final { cleanup-tree-dump "ldist" } } */

gcc/testsuite/gfortran.dg/ldist-pr45199.f

@@ -22,6 +22,6 @@
 
 ! GCC should apply memset zero loop distribution and it should not ICE.
 
-! { dg-final { scan-tree-dump "distributed: split to 9 loops" "ldist" } }
+! { dg-final { scan-tree-dump "distributed: split to 0 loops and 9 library calls" "ldist" } }
 ! { dg-final { scan-tree-dump-times "generated memset zero" 9 "ldist" } }
 ! { dg-final { cleanup-tree-dump "ldist" } }