1 files changed, 27 insertions, 0 deletions
diff --git a/gcc/testsuite/gcc.dg/tree-ssa/complex-3.c b/gcc/testsuite/gcc.dg/tree-ssa/complex-3.c
new file mode 100644
index 000000000..5f4b110c6
--- /dev/null
+++ b/gcc/testsuite/gcc.dg/tree-ssa/complex-3.c
@@ -0,0 +1,27 @@
+/* { dg-do compile } */
+/* { dg-options "-O -fdump-tree-optimized" } */
+
+typedef _Complex float COMPLEX_FLOAT;
+float real_part(COMPLEX_FLOAT a)
+{
+  return *(float*)(&a);
+}
+
+float real_part_2(COMPLEX_FLOAT a)
+{
+  return ((float*)(&a))[0];
+}
+
+
+float imag_part(COMPLEX_FLOAT a)
+{
+  return ((float*)(&a))[1];
+}
+
+/* Test that the above gets optimized to REALPART_EXPR and IMAGPART_EXPR
+   respectively. */
+
+/* { dg-final { scan-tree-dump-times "REALPART_EXPR" 2 "optimized" } } */
+/* { dg-final { scan-tree-dump-times "IMAGPART_EXPR" 1 "optimized" } } */
+/* { dg-final { cleanup-tree-dump "optimized" } } */
+