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-rw-r--r--gcc/testsuite/gcc.dg/tree-ssa/pr19431.c29
-rw-r--r--gcc/testsuite/gcc.dg/tree-ssa/pr21463.c20
2 files changed, 49 insertions, 0 deletions
diff --git a/gcc/testsuite/gcc.dg/tree-ssa/pr19431.c b/gcc/testsuite/gcc.dg/tree-ssa/pr19431.c
new file mode 100644
index 00000000000..4334648ce64
--- /dev/null
+++ b/gcc/testsuite/gcc.dg/tree-ssa/pr19431.c
@@ -0,0 +1,29 @@
+/* { dg-do compile } */
+/* { dg-options "-O2 -fdump-tree-optimized" } */
+
+/* We want this optimized as
+<bb 2>:
+ if (k != 0) goto <L2>; else goto <L3>;
+
+<L3>:;
+ i1 = j1;
+
+<L2>:;
+ return i1;
+
+ This requires that i1 and j1 are changed into registers after they
+ no longer have their address taken. */
+
+int f(int k, int i1, int j1)
+{
+ int *f1;
+ if(k)
+ f1 = &i1;
+ else
+ f1 = &j1;
+ return *f1;
+}
+
+/* { dg-final { scan-tree-dump "i1 = j1" "optimized" } } */
+/* { dg-final { scan-tree-dump "return i1;" "optimized" } } */
+/* { dg-final { cleanup-tree-dump "optimized" } } */
diff --git a/gcc/testsuite/gcc.dg/tree-ssa/pr21463.c b/gcc/testsuite/gcc.dg/tree-ssa/pr21463.c
new file mode 100644
index 00000000000..f490bf61e5a
--- /dev/null
+++ b/gcc/testsuite/gcc.dg/tree-ssa/pr21463.c
@@ -0,0 +1,20 @@
+/* { dg-do compile } */
+/* { dg-options "-O -fdump-tree-phiprop" } */
+
+struct f
+{
+ int i;
+};
+
+int g(int i, int c, struct f *ff, int g)
+{
+ int *t;
+ if (c)
+ t = &i;
+ else
+ t = &ff->i;
+ return *t;
+}
+
+/* { dg-final { scan-tree-dump-not "\\*t" "phiprop" } } */
+/* { dg-final { cleanup-tree-dump "phiprop" } } */