amend SLP reduction testcases

This amends SLP reduction testcases that currently trigger
vect_attempt_slp_rearrange_stmts eliding load permutations to
verify this is actually happening.

2020-09-30  Richard Biener  <rguenther@suse.de>

	* gcc.dg/vect/pr37027.c: Amend.
	* gcc.dg/vect/pr67790.c: Likewise.
	* gcc.dg/vect/pr92324-4.c: Likewise.
	* gcc.dg/vect/pr92558.c: Likewise.
	* gcc.dg/vect/pr95495.c: Likewise.
	* gcc.dg/vect/slp-reduc-1.c: Likewise.
	* gcc.dg/vect/slp-reduc-2.c: Likewise.
	* gcc.dg/vect/slp-reduc-3.c: Likewise.
	* gcc.dg/vect/slp-reduc-4.c: Likewise.
	* gcc.dg/vect/slp-reduc-5.c: Likewise.
	* gcc.dg/vect/slp-reduc-7.c: Likewise.
	* gcc.dg/vect/vect-reduc-in-order-4.c: Likewise.

12 files changed, 15 insertions, 4 deletions

diff --git a/gcc/testsuite/gcc.dg/vect/pr37027.c b/gcc/testsuite/gcc.dg/vect/pr37027.c
index ef6760e..69f5826 100644
--- a/gcc/testsuite/gcc.dg/vect/pr37027.c
+++ b/gcc/testsuite/gcc.dg/vect/pr37027.c
@@ -33,4 +33,4 @@ foo (void)
 
 /* { dg-final { scan-tree-dump-times "vectorized 1 loops" 1 "vect" { xfail vect_no_int_add } } } */
 /* { dg-final { scan-tree-dump-times "vectorizing stmts using SLP" 1 "vect" { xfail vect_no_int_add } } } */
-
+/* { dg-final { scan-tree-dump-times "VEC_PERM_EXPR" 0 "vect" } } */
diff --git a/gcc/testsuite/gcc.dg/vect/pr67790.c b/gcc/testsuite/gcc.dg/vect/pr67790.c
index 5e2d506..32eacd9 100644
--- a/gcc/testsuite/gcc.dg/vect/pr67790.c
+++ b/gcc/testsuite/gcc.dg/vect/pr67790.c
@@ -38,3 +38,4 @@ int main()
 }
 
 /* { dg-final { scan-tree-dump "vectorizing stmts using SLP" "vect" } } */
+/* { dg-final { scan-tree-dump-times "VEC_PERM_EXPR" 0 "vect" } } */
diff --git a/gcc/testsuite/gcc.dg/vect/pr92324-4.c b/gcc/testsuite/gcc.dg/vect/pr92324-4.c
index 8347985..57e117c 100644
--- a/gcc/testsuite/gcc.dg/vect/pr92324-4.c
+++ b/gcc/testsuite/gcc.dg/vect/pr92324-4.c
@@ -28,3 +28,5 @@ int main ()
     __builtin_abort ();
   return 0;
 }
+
+/* { dg-final { scan-tree-dump-times "VEC_PERM_EXPR" 0 "vect" } } */
diff --git a/gcc/testsuite/gcc.dg/vect/pr92558.c b/gcc/testsuite/gcc.dg/vect/pr92558.c
index 1d24fa0..11f4132 100644
--- a/gcc/testsuite/gcc.dg/vect/pr92558.c
+++ b/gcc/testsuite/gcc.dg/vect/pr92558.c
@@ -21,3 +21,5 @@ int main()
     __builtin_abort ();
   return 0;
 }
+
+/* { dg-final { scan-tree-dump-times "VEC_PERM_EXPR" 0 "vect" } } */
diff --git a/gcc/testsuite/gcc.dg/vect/pr95495.c b/gcc/testsuite/gcc.dg/vect/pr95495.c
index a961aef..683f0f2 100644
--- a/gcc/testsuite/gcc.dg/vect/pr95495.c
+++ b/gcc/testsuite/gcc.dg/vect/pr95495.c
@@ -14,3 +14,5 @@ h()
     d += e[f].b >> 1 | e[f].b & 1;
   }
 }
+
+/* { dg-final { scan-tree-dump-times "VEC_PERM_EXPR" 0 "vect" } } */
diff --git a/gcc/testsuite/gcc.dg/vect/slp-reduc-1.c b/gcc/testsuite/gcc.dg/vect/slp-reduc-1.c
index b353dd7..b9bddb8 100644
--- a/gcc/testsuite/gcc.dg/vect/slp-reduc-1.c
+++ b/gcc/testsuite/gcc.dg/vect/slp-reduc-1.c
@@ -44,4 +44,4 @@ int main (void)
 
 /* { dg-final { scan-tree-dump-times "vectorized 1 loops" 1 "vect" { xfail vect_no_int_add } } } */
 /* { dg-final { scan-tree-dump-times "vectorizing stmts using SLP" 1 "vect" { xfail vect_no_int_add } } } */
-
+/* { dg-final { scan-tree-dump-times "VEC_PERM_EXPR" 0 "vect" } } */
diff --git a/gcc/testsuite/gcc.dg/vect/slp-reduc-2.c b/gcc/testsuite/gcc.dg/vect/slp-reduc-2.c
index 15dd599..aa09d01 100644
--- a/gcc/testsuite/gcc.dg/vect/slp-reduc-2.c
+++ b/gcc/testsuite/gcc.dg/vect/slp-reduc-2.c
@@ -41,4 +41,5 @@ int main (void)
 
 /* { dg-final { scan-tree-dump-times "vectorized 1 loops" 1 "vect" { xfail vect_no_int_add } } } */
 /* { dg-final { scan-tree-dump-times "vectorizing stmts using SLP" 1 "vect" { xfail vect_no_int_add } } } */
+/* { dg-final { scan-tree-dump-times "VEC_PERM_EXPR" 0 "vect" } } */
 
diff --git a/gcc/testsuite/gcc.dg/vect/slp-reduc-3.c b/gcc/testsuite/gcc.dg/vect/slp-reduc-3.c
index 7358275..4969fe8 100644
--- a/gcc/testsuite/gcc.dg/vect/slp-reduc-3.c
+++ b/gcc/testsuite/gcc.dg/vect/slp-reduc-3.c
@@ -60,3 +60,4 @@ int main (void)
 /* { dg-final { scan-tree-dump-times "vect_recog_dot_prod_pattern: detected" 1 "vect" { xfail *-*-* } } } */
 /* { dg-final { scan-tree-dump-times "vectorized 1 loops" 2 "vect" { target { vect_short_mult && { vect_widen_sum_hi_to_si  && vect_unpack } } } } } */ 
 /* { dg-final { scan-tree-dump-times "vectorizing stmts using SLP" 1 "vect" { xfail { vect_widen_sum_hi_to_si_pattern || { ! vect_unpack } } } } } */
+/* { dg-final { scan-tree-dump-times "VEC_PERM_EXPR" 0 "vect" } } */
diff --git a/gcc/testsuite/gcc.dg/vect/slp-reduc-4.c b/gcc/testsuite/gcc.dg/vect/slp-reduc-4.c
index d58e5b0..266b439 100644
--- a/gcc/testsuite/gcc.dg/vect/slp-reduc-4.c
+++ b/gcc/testsuite/gcc.dg/vect/slp-reduc-4.c
@@ -58,4 +58,5 @@ int main (void)
 
 /* { dg-final { scan-tree-dump-times "vectorized 1 loops" 1 "vect" { xfail vect_no_int_min_max } } } */
 /* { dg-final { scan-tree-dump-times "vectorizing stmts using SLP" 1 "vect" { xfail { vect_no_int_min_max || vect_variable_length } } } } */
+/* { dg-final { scan-tree-dump-times "VEC_PERM_EXPR" 0 "vect" } } */
 
diff --git a/gcc/testsuite/gcc.dg/vect/slp-reduc-5.c b/gcc/testsuite/gcc.dg/vect/slp-reduc-5.c
index f457c11..11f5a741 100644
--- a/gcc/testsuite/gcc.dg/vect/slp-reduc-5.c
+++ b/gcc/testsuite/gcc.dg/vect/slp-reduc-5.c
@@ -46,4 +46,4 @@ int main (void)
 
 /* { dg-final { scan-tree-dump-times "vectorized 1 loops" 2 "vect" { xfail vect_no_int_min_max } } } */
 /* { dg-final { scan-tree-dump-times "vectorizing stmts using SLP" 1 "vect" { xfail vect_no_int_min_max } } } */
-
+/* { dg-final { scan-tree-dump-times "VEC_PERM_EXPR" 0 "vect" } } */
diff --git a/gcc/testsuite/gcc.dg/vect/slp-reduc-7.c b/gcc/testsuite/gcc.dg/vect/slp-reduc-7.c
index 43d1cee..05cc9ed 100644
--- a/gcc/testsuite/gcc.dg/vect/slp-reduc-7.c
+++ b/gcc/testsuite/gcc.dg/vect/slp-reduc-7.c
@@ -56,4 +56,4 @@ int main (void)
 
 /* { dg-final { scan-tree-dump-times "vectorized 1 loops" 1 "vect" { xfail vect_no_int_add } } } */
 /* { dg-final { scan-tree-dump-times "vectorizing stmts using SLP" 1 "vect" { xfail { vect_no_int_add || vect_variable_length } } } } */
-
+/* { dg-final { scan-tree-dump-times "VEC_PERM_EXPR" 0 "vect" } } */
diff --git a/gcc/testsuite/gcc.dg/vect/vect-reduc-in-order-4.c b/gcc/testsuite/gcc.dg/vect/vect-reduc-in-order-4.c
index 1cc046e..7706a2d 100644
--- a/gcc/testsuite/gcc.dg/vect/vect-reduc-in-order-4.c
+++ b/gcc/testsuite/gcc.dg/vect/vect-reduc-in-order-4.c
@@ -43,3 +43,4 @@ main ()
 
 /* { dg-final { scan-tree-dump {in-order unchained SLP reductions not supported} "vect" } } */
 /* { dg-final { scan-tree-dump-not {vectorizing stmts using SLP} "vect" } } */
+/* { dg-final { scan-tree-dump-times "VECT_PERM_EXPR" 0 "vect" } } */