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-rw-r--r--gcc/ChangeLog6
-rw-r--r--gcc/testsuite/ChangeLog5
-rw-r--r--gcc/testsuite/gcc.dg/torture/pr51070-2.c35
-rw-r--r--gcc/tree-loop-distribution.c9
4 files changed, 52 insertions, 3 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index 77e96a3..8c986ab 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,5 +1,11 @@
2012-01-03 Richard Guenther <rguenther@suse.de>
+ PR tree-optimization/51070
+ * tree-loop-distribution.c (stmt_has_scalar_dependences_outside_loop):
+ Properly handle calls.
+
+2012-01-03 Richard Guenther <rguenther@suse.de>
+
PR tree-optimization/51692
* tree-ssa-dce.c (eliminate_unnecessary_stmts): Do not remove
the LHS of allocation stmts.
diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog
index 195630c..6b7808a 100644
--- a/gcc/testsuite/ChangeLog
+++ b/gcc/testsuite/ChangeLog
@@ -1,5 +1,10 @@
2012-01-03 Richard Guenther <rguenther@suse.de>
+ PR tree-optimization/51070
+ * gcc.dg/torture/pr51070-2.c: New testcase.
+
+2012-01-03 Richard Guenther <rguenther@suse.de>
+
PR tree-optimization/51692
* gcc.dg/torture/pr51692.c: New testcase.
diff --git a/gcc/testsuite/gcc.dg/torture/pr51070-2.c b/gcc/testsuite/gcc.dg/torture/pr51070-2.c
new file mode 100644
index 0000000..f21eb3a
--- /dev/null
+++ b/gcc/testsuite/gcc.dg/torture/pr51070-2.c
@@ -0,0 +1,35 @@
+/* { dg-do compile } */
+/* { dg-options "-fno-inline" } */
+
+int
+func_4 (int si1, int si2)
+{
+ return si1;
+}
+
+int
+func_14 (int left, int right)
+{
+ return 1;
+}
+
+int
+func_37 (int left, int right)
+{
+ return left;
+}
+
+int g_92[1024];
+int g_95[1024];
+int g_224;
+int g_352[1024];
+int
+func_9 ()
+{
+ for (; g_224; g_224 += 1)
+ {
+ g_95[0] = func_4 (func_37 (g_92[g_224], 0), 0);
+ g_92[g_224] = 0, g_352[g_224] = func_14 (0, 0);
+ }
+ return 0;
+}
diff --git a/gcc/tree-loop-distribution.c b/gcc/tree-loop-distribution.c
index 0daef06..67c3c41 100644
--- a/gcc/tree-loop-distribution.c
+++ b/gcc/tree-loop-distribution.c
@@ -89,8 +89,9 @@ stmt_has_scalar_dependences_outside_loop (gimple stmt)
switch (gimple_code (stmt))
{
+ case GIMPLE_CALL:
case GIMPLE_ASSIGN:
- name = gimple_assign_lhs (stmt);
+ name = gimple_get_lhs (stmt);
break;
case GIMPLE_PHI:
@@ -101,8 +102,10 @@ stmt_has_scalar_dependences_outside_loop (gimple stmt)
return false;
}
- return TREE_CODE (name) == SSA_NAME
- && ssa_name_has_uses_outside_loop_p (name, loop_containing_stmt (stmt));
+ return (name
+ && TREE_CODE (name) == SSA_NAME
+ && ssa_name_has_uses_outside_loop_p (name,
+ loop_containing_stmt (stmt)));
}
/* Update the PHI nodes of NEW_LOOP. NEW_LOOP is a duplicate of