aboutsummaryrefslogtreecommitdiff
path: root/gcc/testsuite/gcc.dg/tree-ssa/recip-7.c
diff options
context:
space:
mode:
Diffstat (limited to 'gcc/testsuite/gcc.dg/tree-ssa/recip-7.c')
-rw-r--r--gcc/testsuite/gcc.dg/tree-ssa/recip-7.c27
1 files changed, 27 insertions, 0 deletions
diff --git a/gcc/testsuite/gcc.dg/tree-ssa/recip-7.c b/gcc/testsuite/gcc.dg/tree-ssa/recip-7.c
new file mode 100644
index 00000000000..af1bf3c008b
--- /dev/null
+++ b/gcc/testsuite/gcc.dg/tree-ssa/recip-7.c
@@ -0,0 +1,27 @@
+/* { dg-options "-O1 -funsafe-math-optimizations -fno-trapping-math -fdump-tree-recip" } */
+/* { dg-do compile } */
+
+/* Test inserting in a block that does not contain a division. */
+
+extern double h();
+
+double f(int x, double z, double w)
+{
+ double b, c, d, e, f;
+ double y = h ();
+
+ if (x)
+ b = 1 / y, c = z / y;
+ else
+ b = 3 / y, c = w / y;
+
+ d = b / y;
+ e = c / y;
+ f = 1 / y;
+
+ return d + e + f;
+}
+
+/* { dg-final { scan-tree-dump-times " / " 1 "recip" } } */
+/* { dg-final { cleanup-tree-dump "recip" } } */
+