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authorjakub <jakub@138bc75d-0d04-0410-961f-82ee72b054a4>2005-09-20 15:29:42 +0000
committerjakub <jakub@138bc75d-0d04-0410-961f-82ee72b054a4>2005-09-20 15:29:42 +0000
commitccc5d6f168be96bc308bd412054f8035917bbbda (patch)
treece0cd4a6e434c8e5736fcc05933ee2440ad23479
parent31f98b1e6a5da222fbb788015ed85168262a7c48 (diff)
downloadgcc-ccc5d6f168be96bc308bd412054f8035917bbbda.tar.gz
PR tree-optimization/23818
* tree-stdarg.c (execute_optimize_stdarg): Call calculate_dominance_info. * gcc.dg/pr23818.c: New test. git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@104455 138bc75d-0d04-0410-961f-82ee72b054a4
-rw-r--r--gcc/ChangeLog6
-rw-r--r--gcc/testsuite/ChangeLog5
-rw-r--r--gcc/testsuite/gcc.dg/pr23818.c33
-rw-r--r--gcc/tree-stdarg.c2
4 files changed, 46 insertions, 0 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index 5051fd6a57f..3a6a8dd5cc9 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,9 @@
+2005-09-20 Jakub Jelinek <jakub@redhat.com>
+
+ PR tree-optimization/23818
+ * tree-stdarg.c (execute_optimize_stdarg): Call
+ calculate_dominance_info.
+
2005-09-18 Daniel Berlin <dberlin@dberlin.org>
* tree-data-ref.c (get_number_of_iters_for_loop): New function.
diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog
index f91da851686..e4561999bd3 100644
--- a/gcc/testsuite/ChangeLog
+++ b/gcc/testsuite/ChangeLog
@@ -1,3 +1,8 @@
+2005-09-20 Jakub Jelinek <jakub@redhat.com>
+
+ PR tree-optimization/23818
+ * gcc.dg/pr23818.c: New test.
+
2005-09-20 Tobias Schl"uter <tobias.schlueter@physik.uni-muenchen.de>
PR fortran/23420
diff --git a/gcc/testsuite/gcc.dg/pr23818.c b/gcc/testsuite/gcc.dg/pr23818.c
new file mode 100644
index 00000000000..be0bb9a0101
--- /dev/null
+++ b/gcc/testsuite/gcc.dg/pr23818.c
@@ -0,0 +1,33 @@
+/* PR tree-optimization/23818 */
+/* { dg-do run } */
+/* { dg-options "-O2 -fno-tree-dominator-opts" } */
+
+#include <stdarg.h>
+
+extern void abort (void);
+
+void
+foo (int p[100], int k, ...)
+{
+ int j, *q;
+ va_list ap;
+
+ va_start (ap, k);
+ q = va_arg (ap, int *);
+ for (j = 0; j < 100; j++)
+ q[j] = p[j] + 10;
+ va_end(ap);
+}
+
+int
+main (void)
+{
+ int buf[100], buf2[100], i;
+ for (i = 0; i < 100; i++)
+ buf[i] = i + 1;
+ foo (buf, 0, buf2);
+ for (i = 0; i < 100; i++)
+ if (buf2[i] != buf[i] + 10)
+ abort ();
+ return 0;
+}
diff --git a/gcc/tree-stdarg.c b/gcc/tree-stdarg.c
index a7446585b63..c68e7b58c2c 100644
--- a/gcc/tree-stdarg.c
+++ b/gcc/tree-stdarg.c
@@ -734,6 +734,8 @@ execute_optimize_stdarg (void)
if (va_list_simple_ptr)
cfun->va_list_fpr_size = VA_LIST_MAX_FPR_SIZE;
+ calculate_dominance_info (CDI_DOMINATORS);
+
FOR_EACH_BB (bb)
{
block_stmt_iterator i;