From 0dcab0809ada30b09f553dbbe5b2df8d830e95f3 Mon Sep 17 00:00:00 2001
From: Pronin Alexander 00812787 <pronin.alexander@huawei.com>
Date: Thu, 13 Jun 2024 22:04:16 +0800
Subject: [PATCH] Remove erroneous pattern from gimple ifcvt

---
 gcc/match.pd                          |  2 +-
 gcc/testsuite/gcc.dg/ifcvt-gimple-1.c | 21 +++++++++++++++++++++
 2 files changed, 22 insertions(+), 1 deletion(-)
 create mode 100644 gcc/testsuite/gcc.dg/ifcvt-gimple-1.c

diff --git a/gcc/match.pd b/gcc/match.pd
index 1097cd926..efd2db209 100644
--- a/gcc/match.pd
+++ b/gcc/match.pd
@@ -3450,7 +3450,7 @@ DEFINE_INT_AND_FLOAT_ROUND_FN (RINT)
 )
 
 (if (flag_if_conversion_gimple)
- (for simple_op (plus minus bit_and bit_ior bit_xor)
+ (for simple_op (plus minus bit_ior bit_xor)
   (simplify
    (cond @0 (simple_op @1 INTEGER_CST@2) @1)
    (switch
diff --git a/gcc/testsuite/gcc.dg/ifcvt-gimple-1.c b/gcc/testsuite/gcc.dg/ifcvt-gimple-1.c
new file mode 100644
index 000000000..381a4ad51
--- /dev/null
+++ b/gcc/testsuite/gcc.dg/ifcvt-gimple-1.c
@@ -0,0 +1,21 @@
+/* { dg-do run } */
+/* { dg-options "-O2 -fno-inline -fif-conversion-gimple" } */
+
+#include <stdlib.h>
+
+void foo(int a, int *p) {
+    *p = a;
+}
+
+void verify (int a) {
+    if (a != 3)
+        abort ();
+}
+
+int main() {
+    int a = 0;
+    foo (3, &a);
+    int tmp = (a > 7) ? a & 1 : a;
+    verify (tmp);
+    return 0;
+}
-- 
2.33.0