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authorBen Cheng <bccheng@google.com>2014-03-25 22:37:19 -0700
committerBen Cheng <bccheng@google.com>2014-03-25 22:37:19 -0700
commit1bc5aee63eb72b341f506ad058502cd0361f0d10 (patch)
treec607e8252f3405424ff15bc2d00aa38dadbb2518 /gcc-4.9/gcc/testsuite/gcc.dg/tree-ssa/ssa-pre-26.c
parent283a0bf58fcf333c58a2a92c3ebbc41fb9eb1fdb (diff)
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Initial checkin of GCC 4.9.0 from trunk (r208799).
Change-Id: I48a3c08bb98542aa215912a75f03c0890e497dba
Diffstat (limited to 'gcc-4.9/gcc/testsuite/gcc.dg/tree-ssa/ssa-pre-26.c')
-rw-r--r--gcc-4.9/gcc/testsuite/gcc.dg/tree-ssa/ssa-pre-26.c27
1 files changed, 27 insertions, 0 deletions
diff --git a/gcc-4.9/gcc/testsuite/gcc.dg/tree-ssa/ssa-pre-26.c b/gcc-4.9/gcc/testsuite/gcc.dg/tree-ssa/ssa-pre-26.c
new file mode 100644
index 000000000..7342c3361
--- /dev/null
+++ b/gcc-4.9/gcc/testsuite/gcc.dg/tree-ssa/ssa-pre-26.c
@@ -0,0 +1,27 @@
+/* { dg-do compile } */
+/* { dg-options "-O -fdump-tree-fre1-details" } */
+
+typedef union
+{
+ int* data;
+} SA;
+
+typedef struct
+{
+ int reserved;
+ char* array;
+}SB;
+
+typedef struct
+{
+ int status;
+}SC;
+
+void foo(SA* pResult, SB* method, SC* self)
+{
+ if (method->array[0] == 'L' && !self->status && pResult->data != 0)
+ pResult->data = pResult->data;
+}
+
+/* { dg-final { scan-tree-dump "Deleted redundant store" "fre1" } } */
+/* { dg-final { cleanup-tree-dump "fre1" } } */