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authorupstream source tree <ports@midipix.org>2015-03-15 20:14:05 -0400
committerupstream source tree <ports@midipix.org>2015-03-15 20:14:05 -0400
commit554fd8c5195424bdbcabf5de30fdc183aba391bd (patch)
tree976dc5ab7fddf506dadce60ae936f43f58787092 /gcc/testsuite/gcc.dg/tree-ssa/alias-6.c
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Diffstat (limited to 'gcc/testsuite/gcc.dg/tree-ssa/alias-6.c')
-rw-r--r--gcc/testsuite/gcc.dg/tree-ssa/alias-6.c21
1 files changed, 21 insertions, 0 deletions
diff --git a/gcc/testsuite/gcc.dg/tree-ssa/alias-6.c b/gcc/testsuite/gcc.dg/tree-ssa/alias-6.c
new file mode 100644
index 000000000..bcc011898
--- /dev/null
+++ b/gcc/testsuite/gcc.dg/tree-ssa/alias-6.c
@@ -0,0 +1,21 @@
+/* { dg-do compile } */
+/* { dg-options "-O2 -fdump-tree-optimized" } */
+
+struct param { int *a; };
+void foo(struct param *p);
+int bar(void)
+{
+ int a[2];
+ struct param p;
+ a[0] = 1;
+ a[1] = 1;
+ p.a = &a[0];
+ foo(&p);
+ return a[0] + *p.a;
+}
+
+/* We need to have both: a load from "a[0]" and a load from "*p.a",
+ the latter can be an ssa temporary. */
+/* { dg-final { scan-tree-dump "= a.0.;" "optimized" } } */
+/* { dg-final { scan-tree-dump "= \\*\[pD\]" "optimized" } } */
+/* { dg-final { cleanup-tree-dump "optimized" } } */