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-rw-r--r--gcc/testsuite/gcc.dg/torture/pr111128.c16
-rw-r--r--gcc/tree-vect-patterns.cc2
2 files changed, 17 insertions, 1 deletions
diff --git a/gcc/testsuite/gcc.dg/torture/pr111128.c b/gcc/testsuite/gcc.dg/torture/pr111128.c
new file mode 100644
index 0000000..aa623b0
--- /dev/null
+++ b/gcc/testsuite/gcc.dg/torture/pr111128.c
@@ -0,0 +1,16 @@
+/* { dg-do compile } */
+
+int a, b, c, e, g;
+short *d;
+unsigned char f;
+int h() {
+ f &= g;
+ for (; b; b++) {
+ a = 2;
+ for (; a; a--)
+ c = 0;
+ if (c)
+ continue;
+ e = (unsigned short)*d >> f;
+ }
+}
diff --git a/gcc/tree-vect-patterns.cc b/gcc/tree-vect-patterns.cc
index cda27fe..a2ed036 100644
--- a/gcc/tree-vect-patterns.cc
+++ b/gcc/tree-vect-patterns.cc
@@ -3121,7 +3121,7 @@ vect_recog_over_widening_pattern (vec_info *vinfo,
= gimple_build_assign (new_var, MIN_EXPR, ops[1],
build_int_cst (op_type, new_precision - 1));
gimple_set_location (pattern_stmt, gimple_location (last_stmt));
- if (unprom[1].dt == vect_external_def)
+ if (ops[1] == unprom[1].op && unprom[1].dt == vect_external_def)
{
if (edge e = vect_get_external_def_edge (vinfo, ops[1]))
{