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-rw-r--r--gcc-4.9/gcc/testsuite/gcc.c-torture/execute/20041019-1.c52
1 files changed, 52 insertions, 0 deletions
diff --git a/gcc-4.9/gcc/testsuite/gcc.c-torture/execute/20041019-1.c b/gcc-4.9/gcc/testsuite/gcc.c-torture/execute/20041019-1.c
new file mode 100644
index 000000000..3c56b31e9
--- /dev/null
+++ b/gcc-4.9/gcc/testsuite/gcc.c-torture/execute/20041019-1.c
@@ -0,0 +1,52 @@
+test_store_ccp (int i)
+{
+ int *p, a, b, c;
+
+ if (i < 5)
+ p = &a;
+ else if (i > 8)
+ p = &b;
+ else
+ p = &c;
+
+ *p = 10;
+ b = 3;
+
+ /* STORE-CCP was wrongfully propagating 10 into *p. */
+ return *p + 2;
+}
+
+
+test_store_copy_prop (int i)
+{
+ int *p, a, b, c;
+
+ if (i < 5)
+ p = &a;
+ else if (i > 8)
+ p = &b;
+ else
+ p = &c;
+
+ *p = i;
+ b = i + 1;
+
+ /* STORE-COPY-PROP was wrongfully propagating i into *p. */
+ return *p;
+}
+
+
+main()
+{
+ int x;
+
+ x = test_store_ccp (10);
+ if (x == 12)
+ abort ();
+
+ x = test_store_copy_prop (9);
+ if (x == 9)
+ abort ();
+
+ return 0;
+}