From 08a02c9e08261f946b72ab944cdbb2556b91c283 Mon Sep 17 00:00:00 2001
From: Falk Hueffner <falk@debian.org>
Date: Mon, 9 Aug 2004 01:17:23 +0200
Subject: [PATCH] re PR tree-optimization/12517 ([tree-ssa] ICE in
 bsi_insert_on_edge_immediate)

	PR tree-optimization/12517
	* gcc.c-torture/compile/pr12517.c: New test.

	PR tree-optimization/12578
	* gcc.c-torture/compile/pr12578.c: New test.

	PR tree-optimization/12899
	* gcc.c-torture/compile/pr12899.c: New test.

	PR rtl-optimization/14692
	* gcc.c-torture/compile/pr14692.c: New test.

	PR tree-optimization/16461
	* gcc.c-torture/compile/pr16461.c: New test.

From-SVN: r85698
---
 gcc/testsuite/ChangeLog                       | 17 +++++++++++++++++
 gcc/testsuite/gcc.c-torture/compile/pr12517.c | 19 +++++++++++++++++++
 gcc/testsuite/gcc.c-torture/compile/pr12578.c | 15 +++++++++++++++
 gcc/testsuite/gcc.c-torture/compile/pr12899.c | 11 +++++++++++
 gcc/testsuite/gcc.c-torture/compile/pr14692.c | 14 ++++++++++++++
 gcc/testsuite/gcc.c-torture/compile/pr16461.c | 14 ++++++++++++++
 6 files changed, 90 insertions(+)
 create mode 100644 gcc/testsuite/gcc.c-torture/compile/pr12517.c
 create mode 100644 gcc/testsuite/gcc.c-torture/compile/pr12578.c
 create mode 100644 gcc/testsuite/gcc.c-torture/compile/pr12899.c
 create mode 100644 gcc/testsuite/gcc.c-torture/compile/pr14692.c
 create mode 100644 gcc/testsuite/gcc.c-torture/compile/pr16461.c

diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog
index 8caed21c95a..2fde4b2163d 100644
--- a/gcc/testsuite/ChangeLog
+++ b/gcc/testsuite/ChangeLog
@@ -1,3 +1,20 @@
+2004-08-09  Falk Hueffner  <falk@debian.org>
+
+	PR tree-optimization/12517
+	* gcc.c-torture/compile/pr12517.c: New test.
+
+	PR tree-optimization/12578
+	* gcc.c-torture/compile/pr12578.c: New test.
+
+	PR tree-optimization/12899
+	* gcc.c-torture/compile/pr12899.c: New test.
+
+	PR rtl-optimization/14692
+	* gcc.c-torture/compile/pr14692.c: New test.
+
+	PR tree-optimization/16461
+	* gcc.c-torture/compile/pr16461.c: New test.
+
 2004-08-06  Janne Blomqvist  <jblomqvi@cc.hut.fi>
 
 	* gfortran.dg/getenv_1.f90: New test.
diff --git a/gcc/testsuite/gcc.c-torture/compile/pr12517.c b/gcc/testsuite/gcc.c-torture/compile/pr12517.c
new file mode 100644
index 00000000000..af82db8f46a
--- /dev/null
+++ b/gcc/testsuite/gcc.c-torture/compile/pr12517.c
@@ -0,0 +1,19 @@
+/*  PR tree-optimization/12517  */
+
+int f(void);
+void g(int);
+void h(int a, int b, int c)
+{
+    int i = f();
+
+    if (b && (i & 4))
+	g(i & 8 ? 0 : 1);
+    if (a) {
+	do {
+	    if (i & 8)
+		g(0);
+	    if (i & 4)
+		g(i ? 0 : 1);
+	} while (--c);
+    }
+}
diff --git a/gcc/testsuite/gcc.c-torture/compile/pr12578.c b/gcc/testsuite/gcc.c-torture/compile/pr12578.c
new file mode 100644
index 00000000000..69afffe00d2
--- /dev/null
+++ b/gcc/testsuite/gcc.c-torture/compile/pr12578.c
@@ -0,0 +1,15 @@
+/*  PR tree-optimization/12517  */
+
+void trivial_regexp_p(int *s, int len)
+{
+    while (--len) {
+	switch (*s++) {
+	    case '\\':
+		switch (*s++) {
+		    case '|':
+			;
+		}
+	}
+    }
+}
+
diff --git a/gcc/testsuite/gcc.c-torture/compile/pr12899.c b/gcc/testsuite/gcc.c-torture/compile/pr12899.c
new file mode 100644
index 00000000000..6bd4724fd74
--- /dev/null
+++ b/gcc/testsuite/gcc.c-torture/compile/pr12899.c
@@ -0,0 +1,11 @@
+/*  PR tree-optimization/12899  */
+
+void
+bb_getopt_ulflags (char *s)
+{
+  for (;;)
+    if (s[1])
+      do
+	s++;
+      while (*s);
+}
diff --git a/gcc/testsuite/gcc.c-torture/compile/pr14692.c b/gcc/testsuite/gcc.c-torture/compile/pr14692.c
new file mode 100644
index 00000000000..3f36b3ccb2b
--- /dev/null
+++ b/gcc/testsuite/gcc.c-torture/compile/pr14692.c
@@ -0,0 +1,14 @@
+/* PR rtl-optimization/14692  */
+
+void assert_failed (void);           
+void eidecpos_1 (unsigned char *pos, long n)
+{
+  int i;
+  for (i = 0; i < n; i++)
+    {
+      const unsigned char *dc_ptr1 = pos;
+      pos--;
+      if (dc_ptr1 - pos == 1)
+	assert_failed ();
+    }
+}
diff --git a/gcc/testsuite/gcc.c-torture/compile/pr16461.c b/gcc/testsuite/gcc.c-torture/compile/pr16461.c
new file mode 100644
index 00000000000..b48eee2058a
--- /dev/null
+++ b/gcc/testsuite/gcc.c-torture/compile/pr16461.c
@@ -0,0 +1,14 @@
+/* PR tree-optimization/16461  */
+
+int DVDinput_read(int);
+int DVDReadBlocksPath(int offset, int block_count) {
+    int ret = 0, ret2 = 0;
+    for (;;) {
+	if (offset)
+	    ret = DVDinput_read(block_count);
+	else 
+	    ret2 = DVDinput_read(block_count);
+	break;
+    }
+    return ret + ret2;
+}
-- 
2.30.2