Tweak tests to avoid fallout from MEM_REF changes on targets that don't enable...

Tweak tests to avoid fallout from MEM_REF changes on targets that don't
enable store merging but achieve the same effect by other means (DSE).

gcc/testsuite?ChangeLog:

	PR middle-end/90676
	* gcc.dg/tree-ssa/pr30375.c: Adjust and simplify expected test
	output some more.
	* gcc.dg/tree-ssa/slsr-27.c: Ditto.
	* gcc.dg/tree-ssa/slsr-28.c: Ditto.
	* gcc.dg/tree-ssa/slsr-29.c: Ditto.
	* gcc.dg/tree-ssa/ssa-dse-24.c: Ditto.

From-SVN: r272218

gcc/testsuite/ChangeLog

+2019-06-12  Martin Sebor  <msebor@redhat.com>
+
+	PR middle-end/90676
+	* gcc.dg/tree-ssa/pr30375.c: Adjust and simplify expected test
+	output some more.
+	* gcc.dg/tree-ssa/slsr-27.c: Ditto.
+	* gcc.dg/tree-ssa/slsr-28.c: Ditto.
+	* gcc.dg/tree-ssa/slsr-29.c: Ditto.
+	* gcc.dg/tree-ssa/ssa-dse-24.c: Ditto.
+
 2019-06-12  Marek Polacek  <polacek@redhat.com>
 
 	PR c++/90736 - bogus error with alignof.

gcc/testsuite/gcc.dg/tree-ssa/pr30375.c

@@ -22,6 +22,4 @@ void test_signed_msg_encoding(void)
     f();
 }
 
-/* { dg-final { scan-tree-dump-times "MEM\\\[\\(struct _s \\*\\)&signInfo \\+ \[0-9\]+B\\\] = {}" 1 "dse1" { target { ! store_merge } } } }
-   { dg-final { scan-tree-dump-times "MEM <char\\\[8]> \\\[\\(struct _s \\*\\)&signInfo \\+ \[0-9\]+B\\\] = {}" 1 "dse1" { target { store_merge } } } } */
-
+/* { dg-final { scan-tree-dump-times "MEM <char\\\[\[0-9\]+]> \\\[\\(struct _s \\*\\)&signInfo \\+ \[0-9\]+B\\\] = {}" 1 "dse1"  } } */

gcc/testsuite/gcc.dg/tree-ssa/slsr-27.c

@@ -19,5 +19,5 @@ f (struct x *p, unsigned int n)
 /* { dg-final { scan-tree-dump-times "\\* 4;" 1 "dom3" { target { int32 } } } } */
 /* { dg-final { scan-tree-dump-times "\\* 2;" 1 "dom3" { target { int16 } } } } */
 /* { dg-final { scan-tree-dump-times "p_\\d\+\\(D\\) \\+ \[^\r\n\]*_\\d\+;" 1 "dom3" } } */
-/* { dg-final { scan-tree-dump-times "MEM\\\[\\(struct x \\*\\)\[^\r\n\]*_\\d\+" 3 "dom3" { target { ! store_merge } } } } */
-/* { dg-final { scan-tree-dump-times "MEM <int> \\\[\\(struct x \\*\\)\[^\r\n\]*_\\d\+" 3 "dom3" { target { store_merge } } } } */
+/*
+  { dg-final { scan-tree-dump-times "MEM *<int>? *\\\[\\(struct x \\*\\)\[^\r\n\]*_\\d\+" 3 "dom3" } } */

gcc/testsuite/gcc.dg/tree-ssa/slsr-28.c

@@ -23,5 +23,4 @@ f (struct x *p, unsigned int n)
 /* { dg-final { scan-tree-dump-times "\\* 4;" 1 "dom3" { target { int32 } } } } */
 /* { dg-final { scan-tree-dump-times "\\* 2;" 1 "dom3" { target { int16 } } } } */
 /* { dg-final { scan-tree-dump-times "p_\\d\+\\(D\\) \\+ \[^\r\n\]*_\\d\+" 1 "dom3" } } */
-/* { dg-final { scan-tree-dump-times "MEM\\\[\\(struct x \\*\\)\[^\r\n\]*_\\d\+" 9 "dom3" { target { ! store_merge } } } } */
-/* { dg-final { scan-tree-dump-times "MEM <int> \\\[\\(struct x \\*\\)\[^\r\n\]*_\\d\+" 9 "dom3" { target { store_merge } } } } */
+/* { dg-final { scan-tree-dump-times "MEM *<int>? *\\\[\\(struct x \\*\\)\[^\r\n\]*_\\d\+" 9 "dom3" } } */

gcc/testsuite/gcc.dg/tree-ssa/slsr-29.c

@@ -25,5 +25,4 @@ f (struct x *p, unsigned int n)
 /* { dg-final { scan-tree-dump-times "\\* 4;" 1 "dom3" { target { int32 } } } } */
 /* { dg-final { scan-tree-dump-times "\\* 2;" 1 "dom3" { target { int16 } } } } */
 /* { dg-final { scan-tree-dump-times "p_\\d\+\\(D\\) \\+ \[^\r\n\]*_\\d\+" 1 "dom3" } } */
-/* { dg-final { scan-tree-dump-times "MEM\\\[\\(struct x \\*\\)\[^\r\n\]*_\\d\+" 9 "dom3" { target { ! store_merge } } } } */
-/* { dg-final { scan-tree-dump-times "MEM <int> \\\[\\(struct x \\*\\)\[^\r\n\]*_\\d\+" 9 "dom3" { target { store_merge } } } } */
+/* { dg-final { scan-tree-dump-times "MEM *<int>? *\\\[\\(struct x \\*\\)\[^\r\n\]*_\\d\+" 9 "dom3" } } */

gcc/testsuite/gcc.dg/tree-ssa/ssa-dse-24.c

@@ -59,5 +59,4 @@ void foo(int prec,
     bar (&info);
 }
 
-/* { dg-final { scan-tree-dump-times "MEM\\\[\\(struct printf_info \\*\\)&info \\+ \[0-9\]+B\\\] = {}" 1 "dse1" { target { ! store_merge } } } }
-   { dg-final { scan-tree-dump-times "MEM <char[4]> \\\[\\(struct printf_info \\*\\)&info \\+ \[0-9\]+B\\\] = {}" 1 "dse1" { target { store_merge } } } } */
+/* { dg-final { scan-tree-dump-times "MEM <char\\\[\[0-9\]+]> \\\[\\(struct printf_info \\*\\)&info \\+ \[0-9\]+B\\\] = {}" 1 "dse1" } } */