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-rw-r--r--gcc/testsuite/gcc.dg/tree-ssa/reassoc-22.c13
1 files changed, 13 insertions, 0 deletions
diff --git a/gcc/testsuite/gcc.dg/tree-ssa/reassoc-22.c b/gcc/testsuite/gcc.dg/tree-ssa/reassoc-22.c
new file mode 100644
index 000000000..7eb97f456
--- /dev/null
+++ b/gcc/testsuite/gcc.dg/tree-ssa/reassoc-22.c
@@ -0,0 +1,13 @@
+/* { dg-do compile } */
+/* { dg-options "-O2 -fdump-tree-reassoc1" } */
+unsigned int foo(unsigned int a, unsigned int b, unsigned int c, unsigned int d)
+{
+ /* Should be transformed into a + c + 8 */
+ unsigned int e = a + 3;
+ unsigned int f = c + 5;
+ unsigned int g = e + f;
+ return g;
+}
+
+/* { dg-final { scan-tree-dump-times "\\\+ 8" 1 "reassoc1"} } */
+/* { dg-final { cleanup-tree-dump "reassoc1" } } */