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-rw-r--r--gcc/testsuite/gcc.dg/tree-ssa/20040305-1.c32
1 files changed, 32 insertions, 0 deletions
diff --git a/gcc/testsuite/gcc.dg/tree-ssa/20040305-1.c b/gcc/testsuite/gcc.dg/tree-ssa/20040305-1.c
new file mode 100644
index 000000000..8e9f61da6
--- /dev/null
+++ b/gcc/testsuite/gcc.dg/tree-ssa/20040305-1.c
@@ -0,0 +1,32 @@
+/* { dg-do compile } */
+/* { dg-options "-O2 -fdump-tree-cddce2 -fdump-tree-forwprop1-details" } */
+
+int abarney[2];
+int afred[1];
+
+void foo(int edx, int eax)
+{
+ if (eax == 100)
+ {
+ if (edx == 1)
+ {
+ abarney[0] = 5;
+ abarney[1] = 6;
+ }
+ }
+ if (eax == 100)
+ {
+ if (-- edx == 0)
+ afred[0] = 2;
+ }
+}
+
+
+/* Verify that we did a forward propagation. */
+/* { dg-final { scan-tree-dump-times "Replaced" 1 "forwprop1"} } */
+/* { dg-final { cleanup-tree-dump "forwprop1" } } */
+
+/* After cddce we should have two IF statements remaining as the other
+ two tests can be threaded. */
+/* { dg-final { scan-tree-dump-times "if " 2 "cddce2"} } */
+/* { dg-final { cleanup-tree-dump "cddce2" } } */