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authorBen Cheng <bccheng@google.com>2014-03-25 22:37:19 -0700
committerBen Cheng <bccheng@google.com>2014-03-25 22:37:19 -0700
commit1bc5aee63eb72b341f506ad058502cd0361f0d10 (patch)
treec607e8252f3405424ff15bc2d00aa38dadbb2518 /gcc-4.9/gcc/testsuite/gcc.dg/tree-ssa/recip-7.c
parent283a0bf58fcf333c58a2a92c3ebbc41fb9eb1fdb (diff)
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Initial checkin of GCC 4.9.0 from trunk (r208799).
Change-Id: I48a3c08bb98542aa215912a75f03c0890e497dba
Diffstat (limited to 'gcc-4.9/gcc/testsuite/gcc.dg/tree-ssa/recip-7.c')
-rw-r--r--gcc-4.9/gcc/testsuite/gcc.dg/tree-ssa/recip-7.c31
1 files changed, 31 insertions, 0 deletions
diff --git a/gcc-4.9/gcc/testsuite/gcc.dg/tree-ssa/recip-7.c b/gcc-4.9/gcc/testsuite/gcc.dg/tree-ssa/recip-7.c
new file mode 100644
index 000000000..98bbdca6e
--- /dev/null
+++ b/gcc-4.9/gcc/testsuite/gcc.dg/tree-ssa/recip-7.c
@@ -0,0 +1,31 @@
+/* { 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 m, n, o;
+
+void 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;
+
+ m = d;
+ n = e;
+ o = f;
+}
+
+/* { dg-final { scan-tree-dump-times " / " 1 "recip" } } */
+/* { dg-final { cleanup-tree-dump "recip" } } */
+